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[2620:137:e000::1:20]) by mx.google.com with ESMTP id t3-20020a17090340c300b0016f09d4e90esi2007294pld.294.2022.08.13.23.45.09; Sat, 13 Aug 2022 23:45:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230108AbiHNGjS (ORCPT + 99 others); Sun, 14 Aug 2022 02:39:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229456AbiHNGjR (ORCPT ); Sun, 14 Aug 2022 02:39:17 -0400 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46CF95C356 for ; Sat, 13 Aug 2022 23:39:14 -0700 (PDT) Received: by mail-io1-f72.google.com with SMTP id l18-20020a6bd112000000b0067cb64ad9b2so2689904iob.20 for ; Sat, 13 Aug 2022 23:39:14 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc; bh=hhD9D5/ZT023Q2lUI1FMmiK9TO0Iyr19k9bOz7ycCyw=; b=H2YjRU/Cq09b3d+wL2FhLB9Rg82IKOqGDjjZOIrP7Kde9eqe3iieTw/Z9h8/VGScvH 6dMxPfVBAvz6pr9yXPbd/cNtSA5yJ1OysL0kwzHkbWbIpkwDW45Jj1IlG9pURFaLcNQy qZ3ZMf1usBCdCCl5bpHHhohRdp6lR+aUe57eRR5nGP7HZuklv6tJYXWcPQvxJLwquMDM YWRkS2X8Cst1nzfd+/US+hvAm7HIWB+SKwYqcINsNzKEW1JciYsV58LJjU8LgMEfkQVP uNh4h6wIRGgAhxn1ECiY+whSOvgpjPPaECLgvWvqQilnDetI6Ldq17UMwc+sYMoWSgS3 A7Qw== X-Gm-Message-State: ACgBeo3I0r8MCPnnxLR7hqIRSdijA/vmRbpHnjxBKIQJmlwtB+g9t0iu 1OH+CqgV15iazivQX/y/YPfjRpk+mKJNaJhypmkyaBFJXnMQ MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1646:b0:2dd:11e5:edaf with SMTP id v6-20020a056e02164600b002dd11e5edafmr5160247ilu.96.1660459153610; Sat, 13 Aug 2022 23:39:13 -0700 (PDT) Date: Sat, 13 Aug 2022 23:39:13 -0700 In-Reply-To: <20220814010408.770-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000003dcd505e62dc6fd@google.com> Subject: Re: [syzbot] INFO: task hung in __generic_file_fsync (3) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: INFO: task hung in __generic_file_fsync INFO: task kworker/0:1:14 blocked for more than 143 seconds. Not tainted 5.19.0-syzkaller-02972-g200e340f2196-dirty #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:25376 pid: 14 ppid: 2 flags:0x00004000 Workqueue: dio/loop5 dio_aio_complete_work Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0xa00/0x4c10 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 rwsem_down_write_slowpath+0x697/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:761 [inline] __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 fat_file_fsync+0x73/0x200 fs/fat/file.c:191 vfs_fsync_range+0x13a/0x220 fs/sync.c:188 generic_write_sync include/linux/fs.h:2862 [inline] dio_complete+0x6e4/0x950 fs/direct-io.c:310 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 INFO: task kworker/0:5:3614 blocked for more than 143 seconds. Not tainted 5.19.0-syzkaller-02972-g200e340f2196-dirty #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:5 state:D stack:26104 pid: 3614 ppid: 2 flags:0x00004000 Workqueue: dio/loop5 dio_aio_complete_work Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0xa00/0x4c10 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 rwsem_down_write_slowpath+0x697/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:761 [inline] __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 fat_file_fsync+0x73/0x200 fs/fat/file.c:191 vfs_fsync_range+0x13a/0x220 fs/sync.c:188 generic_write_sync include/linux/fs.h:2862 [inline] dio_complete+0x6e4/0x950 fs/direct-io.c:310 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 INFO: task syz-executor.5:4177 blocked for more than 144 seconds. Not tainted 5.19.0-syzkaller-02972-g200e340f2196-dirty #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:25792 pid: 4177 ppid: 4078 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0xa00/0x4c10 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 inode_dio_wait+0x174/0x1f0 fs/inode.c:2383 fat_setattr+0x3de/0x13c0 fs/fat/file.c:509 notify_change+0xcd0/0x1440 fs/attr.c:418 do_truncate+0x13c/0x200 fs/open.c:65 do_sys_ftruncate+0x536/0x730 fs/open.c:193 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f18fd289209 RSP: 002b:00007f18fe3cd168 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f18fd39bf60 RCX: 00007f18fd289209 RDX: 0000000000000000 RSI: 00000000010099b8 RDI: 0000000000000004 RBP: 00007f18fd2e3161 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff046c69af R14: 00007f18fe3cd300 R15: 0000000000022000 INFO: task syz-executor.5:4179 blocked for more than 145 seconds. Not tainted 5.19.0-syzkaller-02972-g200e340f2196-dirty #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:26600 pid: 4179 ppid: 4078 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0xa00/0x4c10 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 rwsem_down_write_slowpath+0x697/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:761 [inline] generic_file_write_iter+0x8a/0x220 mm/filemap.c:3901 call_write_iter include/linux/fs.h:2188 [inline] aio_write+0x34a/0x7a0 fs/aio.c:1603 __io_submit_one fs/aio.c:1975 [inline] io_submit_one+0xf9c/0x1c70 fs/aio.c:2022 __do_sys_io_submit fs/aio.c:2081 [inline] __se_sys_io_submit fs/aio.c:2051 [inline] __x64_sys_io_submit+0x18c/0x330 fs/aio.c:2051 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f18fd289209 RSP: 002b:00007f18fe3ac168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f18fd39c030 RCX: 00007f18fd289209 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f18fe383000 RBP: 00007f18fd2e3161 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff046c69af R14: 00007f18fe3ac300 R15: 0000000000022000 INFO: task dio/loop5:4182 blocked for more than 147 seconds. Not tainted 5.19.0-syzkaller-02972-g200e340f2196-dirty #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dio/loop5 state:D stack:28888 pid: 4182 ppid: 2 flags:0x00004000 Workqueue: dio/loop5 dio_aio_complete_work Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0xa00/0x4c10 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 rwsem_down_write_slowpath+0x697/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:761 [inline] __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 fat_file_fsync+0x73/0x200 fs/fat/file.c:191 vfs_fsync_range+0x13a/0x220 fs/sync.c:188 generic_write_sync include/linux/fs.h:2862 [inline] dio_complete+0x6e4/0x950 fs/direct-io.c:310 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 process_scheduled_works kernel/workqueue.c:2352 [inline] rescuer_thread+0x5a0/0xcf0 kernel/workqueue.c:2543 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 INFO: task kworker/0:8:4183 blocked for more than 147 seconds. Not tainted 5.19.0-syzkaller-02972-g200e340f2196-dirty #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:8 state:D stack:28968 pid: 4183 ppid: 2 flags:0x00004000 Workqueue: dio/loop5 dio_aio_complete_work Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0xa00/0x4c10 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 rwsem_down_write_slowpath+0x697/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:761 [inline] __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 fat_file_fsync+0x73/0x200 fs/fat/file.c:191 vfs_fsync_range+0x13a/0x220 fs/sync.c:188 generic_write_sync include/linux/fs.h:2862 [inline] dio_complete+0x6e4/0x950 fs/direct-io.c:310 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 INFO: task kworker/0:9:4184 blocked for more than 148 seconds. Not tainted 5.19.0-syzkaller-02972-g200e340f2196-dirty #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:9 state:D stack:28968 pid: 4184 ppid: 2 flags:0x00004000 Workqueue: dio/loop5 dio_aio_complete_work Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0xa00/0x4c10 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 rwsem_down_write_slowpath+0x697/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:761 [inline] __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 fat_file_fsync+0x73/0x200 fs/fat/file.c:191 vfs_fsync_range+0x13a/0x220 fs/sync.c:188 generic_write_sync include/linux/fs.h:2862 [inline] dio_complete+0x6e4/0x950 fs/direct-io.c:310 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 INFO: task kworker/0:10:4185 blocked for more than 148 seconds. Not tainted 5.19.0-syzkaller-02972-g200e340f2196-dirty #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:10 state:D stack:28968 pid: 4185 ppid: 2 flags:0x00004000 Workqueue: dio/loop5 dio_aio_complete_work Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0xa00/0x4c10 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 rwsem_down_write_slowpath+0x697/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:761 [inline] __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 fat_file_fsync+0x73/0x200 fs/fat/file.c:191 vfs_fsync_range+0x13a/0x220 fs/sync.c:188 generic_write_sync include/linux/fs.h:2862 [inline] dio_complete+0x6e4/0x950 fs/direct-io.c:310 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 INFO: task kworker/0:11:4186 blocked for more than 148 seconds. Not tainted 5.19.0-syzkaller-02972-g200e340f2196-dirty #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:11 state:D stack:28600 pid: 4186 ppid: 2 flags:0x00004000 Workqueue: dio/loop5 dio_aio_complete_work Call Trace: context_switch kernel/sched/core.c:5178 [inline] __schedule+0xa00/0x4c10 kernel/sched/core.c:6490 schedule+0xda/0x1b0 kernel/sched/core.c:6566 rwsem_down_write_slowpath+0x697/0x11e0 kernel/locking/rwsem.c:1182 __down_write_common kernel/locking/rwsem.c:1297 [inline] __down_write_common kernel/locking/rwsem.c:1294 [inline] __down_write kernel/locking/rwsem.c:1306 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1553 inode_lock include/linux/fs.h:761 [inline] __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 fat_file_fsync+0x73/0x200 fs/fat/file.c:191 vfs_fsync_range+0x13a/0x220 fs/sync.c:188 generic_write_sync include/linux/fs.h:2862 [inline] dio_complete+0x6e4/0x950 fs/direct-io.c:310 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Showing all locks held in the system: 3 locks held by kworker/0:0/6: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900000b7da8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8bd86870 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/13: #0: ffffffff8bd86570 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 3 locks held by kworker/0:1/14: #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90000137da8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 1 lock held by khungtaskd/28: #0: ffffffff8bd873c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6492 3 locks held by kworker/0:2/141: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc9000293fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 2 locks held by getty/3281: #0: ffff888026115098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc90002d162e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2124 3 locks held by kworker/0:3/3612: #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003fffda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a1558b0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a1558b0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:4/3613: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc9000400fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:5/3614: #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc9000401fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:6/4172: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900038ffda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:7/4174: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc9000391fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 2 locks held by syz-executor.5/4177: #0: ffff888021b40460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline] #0: ffff888021b40460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 #1: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #1: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x12a/0x200 fs/open.c:63 1 lock held by syz-executor.5/4179: #0: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #0: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: generic_file_write_iter+0x8a/0x220 mm/filemap.c:3901 3 locks held by dio/loop5/4182: #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc9000399fd58 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:8/4183: #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900039afda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:9/4184: #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900039bfda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:10/4185: #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900039cfda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:11/4186: #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806a936938 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900039dfda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806be69670 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:12/4187: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900039efda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:13/4188: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900039ffda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:14/4208: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003b0fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:15/4209: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003b1fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:16/4210: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc9000393fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:17/4211: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003b2fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:18/4212: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003b3fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:19/4213: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003b4fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:20/4214: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003b5fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:21/4215: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003b6fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:22/4216: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003b7fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:23/4217: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003b8fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/1:13/4220: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003bbfda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/1:16/4223: #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003befda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a154b70 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a154b70 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:24/4229: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003c1fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:25/4249: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003acfda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:26/4250: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003a3fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:27/4273: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003d77da8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 2 locks held by syz-executor.4/4300: #0: ffff8880796a4460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline] #0: ffff8880796a4460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 #1: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #1: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x12a/0x200 fs/open.c:63 1 lock held by syz-executor.4/4307: #0: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #0: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: generic_file_write_iter+0x8a/0x220 mm/filemap.c:3901 2 locks held by syz-executor.3/4296: #0: ffff888025eea460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline] #0: ffff888025eea460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 #1: ffff88806a1544d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #1: ffff88806a1544d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x12a/0x200 fs/open.c:63 1 lock held by syz-executor.3/4305: #0: ffff88806a1544d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #0: ffff88806a1544d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: generic_file_write_iter+0x8a/0x220 mm/filemap.c:3901 2 locks held by syz-executor.0/4297: #0: ffff88807f2a6460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline] #0: ffff88807f2a6460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 #1: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #1: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x12a/0x200 fs/open.c:63 1 lock held by syz-executor.0/4306: #0: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #0: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: generic_file_write_iter+0x8a/0x220 mm/filemap.c:3901 2 locks held by syz-executor.2/4299: #0: ffff888025eec460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline] #0: ffff888025eec460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 #1: ffff88806a154b70 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #1: ffff88806a154b70 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x12a/0x200 fs/open.c:63 1 lock held by syz-executor.2/4304: #0: ffff88806a154b70 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #0: ffff88806a154b70 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: generic_file_write_iter+0x8a/0x220 mm/filemap.c:3901 2 locks held by syz-executor.1/4302: #0: ffff88807cb26460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline] #0: ffff88807cb26460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 #1: ffff88806a1558b0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #1: ffff88806a1558b0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x12a/0x200 fs/open.c:63 1 lock held by syz-executor.1/4308: #0: ffff88806a1558b0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #0: ffff88806a1558b0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: generic_file_write_iter+0x8a/0x220 mm/filemap.c:3901 3 locks held by dio/loop2/4309: #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806ae3cd38 ((wq_completion)dio/loop2){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003effd58 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a154b70 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a154b70 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by dio/loop4/4310: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003f0fd58 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by dio/loop3/4311: #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003f1fd58 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a1544d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a1544d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by dio/loop0/4312: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003f2fd58 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a155210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by dio/loop1/4313: #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003f3fd58 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a1558b0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a1558b0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/1:19/4314: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003f4fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/1:20/4315: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003f5fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/1:21/4316: #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b912938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003f6fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a157330 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/1:22/4317: #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806aff5538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003f7fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a1558b0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a1558b0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/1:23/4318: #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806ae3ed38 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90003f8fda8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff88806a1544d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:761 [inline] #2: ffff88806a1544d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: __generic_file_fsync+0xb0/0x1f0 fs/libfs.c:1119 3 locks held by kworker/0:28/4320: #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88806b906138 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x87a/0 Tested on: commit: 200e340f Merge tag 'pull-work.dcache' of git://git.ker.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=15da7685080000 kernel config: https://syzkaller.appspot.com/x/.config?x=a3f4d6985d3164cd dashboard link: https://syzkaller.appspot.com/bug?extid=ed920a72fd23eb735158 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=138ca25b080000