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X-OriginatorOrg: knights.ucf.edu X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: IA1PR07MB9830.namprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7ec303cc-e95f-4056-7758-08db188b142c X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Feb 2023 06:23:02.0567 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5b16e182-78b3-412c-9196-68342689eeb7 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: tqzqrmxkIA1/oKsl9/45k+g5AaHfm8FE7EFVWOwqTePw0cgwUwuaobAFQmkjo2ynQ1+kxuXNZ86H8z4eLOT6fjW74H3pOWd9cZTkRHMo5i8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR07MB9123 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Good day, dear maintainers,=0A= =0A= We found a bug using a modified kernel configuration file used by syzbot.= =0A= =0A= We enhanced the coverage of the configuration file using our tool, klocaliz= er.=0A= =0A= Kernel Branch: 6.2.0-next-20230225=0A= Kernel config:=A0https://drive.google.com/file/d/1NS9N8rvftQ7BouImn2OVnC96q= rNhAeuO/view?usp=3Dshare_link=0A= C Reproducer:=A0Unfortunately, there is no reproducer for this bug yet.=0A= =0A= Thank you!=0A= =0A= Best regards,=0A= Sanan Hasanov=0A= =0A= INFO: task kworker/u16:20:839 blocked for more than 143 seconds.=0A= =A0 =A0 =A0 Not tainted 6.2.0-next-20230225 #1=0A= "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.= =0A= task:kworker/u16:20 =A0state:D stack:25504 pid:839 =A0 ppid:2 =A0 =A0 =A0fl= ags:0x00004000=0A= Workqueue: events_unbound io_ring_exit_work=0A= Call Trace:=0A= =A0=0A= =A0context_switch kernel/sched/core.c:5304 [inline]=0A= =A0__schedule+0x24bc/0x5a60 kernel/sched/core.c:6622=0A= =A0schedule+0xe7/0x1b0 kernel/sched/core.c:6698=0A= =A0schedule_timeout+0x26e/0x2b0 kernel/time/timer.c:2143=0A= =A0do_wait_for_common kernel/sched/completion.c:85 [inline]=0A= =A0__wait_for_common+0x1ce/0x5d0 kernel/sched/completion.c:106=0A= =A0io_ring_exit_work+0x543/0x13c0 io_uring/io_uring.c:3027=0A= =A0process_one_work+0x9ba/0x1820 kernel/workqueue.c:2390=0A= =A0worker_thread+0x669/0x1090 kernel/workqueue.c:2537=0A= =A0kthread+0x2e8/0x3a0 kernel/kthread.c:376=0A= =A0ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308=0A= =A0=0A= INFO: task kworker/u16:24:842 blocked for more than 143 seconds.=0A= =A0 =A0 =A0 Not tainted 6.2.0-next-20230225 #1=0A= "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.= =0A= task:kworker/u16:24 =A0state:D stack:25472 pid:842 =A0 ppid:2 =A0 =A0 =A0fl= ags:0x00004000=0A= Workqueue: events_unbound io_ring_exit_work=0A= Call Trace:=0A= =A0=0A= =A0context_switch kernel/sched/core.c:5304 [inline]=0A= =A0__schedule+0x24bc/0x5a60 kernel/sched/core.c:6622=0A= =A0schedule+0xe7/0x1b0 kernel/sched/core.c:6698=0A= =A0schedule_timeout+0x26e/0x2b0 kernel/time/timer.c:2143=0A= =A0do_wait_for_common kernel/sched/completion.c:85 [inline]=0A= =A0__wait_for_common+0x1ce/0x5d0 kernel/sched/completion.c:106=0A= =A0io_ring_exit_work+0x543/0x13c0 io_uring/io_uring.c:3027=0A= =A0process_one_work+0x9ba/0x1820 kernel/workqueue.c:2390=0A= =A0worker_thread+0x669/0x1090 kernel/workqueue.c:2537=0A= =A0kthread+0x2e8/0x3a0 kernel/kthread.c:376=0A= =A0ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308=0A= =A0=0A= INFO: task kworker/u16:27:845 blocked for more than 143 seconds.=0A= =A0 =A0 =A0 Not tainted 6.2.0-next-20230225 #1=0A= "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.= =0A= task:kworker/u16:27 =A0state:D stack:25120 pid:845 =A0 ppid:2 =A0 =A0 =A0fl= ags:0x00004000=0A= Workqueue: events_unbound io_ring_exit_work=0A= Call Trace:=0A= =A0=0A= =A0context_switch kernel/sched/core.c:5304 [inline]=0A= =A0__schedule+0x24bc/0x5a60 kernel/sched/core.c:6622=0A= =A0schedule+0xe7/0x1b0 kernel/sched/core.c:6698=0A= =A0schedule_timeout+0x26e/0x2b0 kernel/time/timer.c:2143=0A= =A0do_wait_for_common kernel/sched/completion.c:85 [inline]=0A= =A0__wait_for_common+0x1ce/0x5d0 kernel/sched/completion.c:106=0A= =A0io_ring_exit_work+0x543/0x13c0 io_uring/io_uring.c:3027=0A= =A0process_one_work+0x9ba/0x1820 kernel/workqueue.c:2390=0A= =A0worker_thread+0x669/0x1090 kernel/workqueue.c:2537=0A= =A0kthread+0x2e8/0x3a0 kernel/kthread.c:376=0A= =A0ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308=0A= =A0=0A= INFO: task kworker/u16:57:870 blocked for more than 143 seconds.=0A= =A0 =A0 =A0 Not tainted 6.2.0-next-20230225 #1=0A= "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.= =0A= task:kworker/u16:57 =A0state:D stack:25120 pid:870 =A0 ppid:2 =A0 =A0 =A0fl= ags:0x00004000=0A= Workqueue: events_unbound io_ring_exit_work=0A= Call Trace:=0A= =A0=0A= =A0context_switch kernel/sched/core.c:5304 [inline]=0A= =A0__schedule+0x24bc/0x5a60 kernel/sched/core.c:6622=0A= =A0schedule+0xe7/0x1b0 kernel/sched/core.c:6698=0A= =A0schedule_timeout+0x26e/0x2b0 kernel/time/timer.c:2143=0A= =A0do_wait_for_common kernel/sched/completion.c:85 [inline]=0A= =A0__wait_for_common+0x1ce/0x5d0 kernel/sched/completion.c:106=0A= =A0io_ring_exit_work+0x543/0x13c0 io_uring/io_uring.c:3027=0A= =A0process_one_work+0x9ba/0x1820 kernel/workqueue.c:2390=0A= =A0worker_thread+0x669/0x1090 kernel/workqueue.c:2537=0A= =A0kthread+0x2e8/0x3a0 kernel/kthread.c:376=0A= =A0ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308=0A= =A0=0A= INFO: task kworker/u16:58:871 blocked for more than 143 seconds.=0A= =A0 =A0 =A0 Not tainted 6.2.0-next-20230225 #1=0A= "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.= =0A= task:kworker/u16:58 =A0state:D stack:24624 pid:871 =A0 ppid:2 =A0 =A0 =A0fl= ags:0x00004000=0A= Workqueue: events_unbound io_ring_exit_work=0A= Call Trace:=0A= =A0=0A= =A0context_switch kernel/sched/core.c:5304 [inline]=0A= =A0__schedule+0x24bc/0x5a60 kernel/sched/core.c:6622=0A= =A0schedule+0xe7/0x1b0 kernel/sched/core.c:6698=0A= =A0schedule_timeout+0x26e/0x2b0 kernel/time/timer.c:2143=0A= =A0do_wait_for_common kernel/sched/completion.c:85 [inline]=0A= =A0__wait_for_common+0x1ce/0x5d0 kernel/sched/completion.c:106=0A= =A0io_ring_exit_work+0x543/0x13c0 io_uring/io_uring.c:3027=0A= =A0process_one_work+0x9ba/0x1820 kernel/workqueue.c:2390=0A= =A0worker_thread+0x669/0x1090 kernel/workqueue.c:2537=0A= =A0kthread+0x2e8/0x3a0 kernel/kthread.c:376=0A= =A0ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308=0A= =A0=0A= INFO: task kworker/u16:60:874 blocked for more than 143 seconds.=0A= =A0 =A0 =A0 Not tainted 6.2.0-next-20230225 #1=0A= "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.= =0A= task:kworker/u16:60 =A0state:D stack:24784 pid:874 =A0 ppid:2 =A0 =A0 =A0fl= ags:0x00004000=0A= Workqueue: events_unbound io_ring_exit_work=0A= Call Trace:=0A= =A0=0A= =A0context_switch kernel/sched/core.c:5304 [inline]=0A= =A0__schedule+0x24bc/0x5a60 kernel/sched/core.c:6622=0A= =A0schedule+0xe7/0x1b0 kernel/sched/core.c:6698=0A= =A0schedule_timeout+0x26e/0x2b0 kernel/time/timer.c:2143=0A= =A0do_wait_for_common kernel/sched/completion.c:85 [inline]=0A= =A0__wait_for_common+0x1ce/0x5d0 kernel/sched/completion.c:106=0A= =A0io_ring_exit_work+0x543/0x13c0 io_uring/io_uring.c:3027=0A= =A0process_one_work+0x9ba/0x1820 kernel/workqueue.c:2390=0A= =A0worker_thread+0x669/0x1090 kernel/workqueue.c:2537=0A= =A0kthread+0x2e8/0x3a0 kernel/kthread.c:376=0A= =A0ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308=0A= =A0=0A= INFO: task kworker/u16:62:875 blocked for more than 143 seconds.=0A= =A0 =A0 =A0 Not tainted 6.2.0-next-20230225 #1=0A= "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.= =0A= task:kworker/u16:62 =A0state:D stack:24864 pid:875 =A0 ppid:2 =A0 =A0 =A0fl= ags:0x00004000=0A= Workqueue: events_unbound io_ring_exit_work=0A= Call Trace:=0A= =A0=0A= =A0context_switch kernel/sched/core.c:5304 [inline]=0A= =A0__schedule+0x24bc/0x5a60 kernel/sched/core.c:6622=0A= =A0schedule+0xe7/0x1b0 kernel/sched/core.c:6698=0A= =A0schedule_timeout+0x26e/0x2b0 kernel/time/timer.c:2143=0A= =A0do_wait_for_common kernel/sched/completion.c:85 [inline]=0A= =A0__wait_for_common+0x1ce/0x5d0 kernel/sched/completion.c:106=0A= =A0io_ring_exit_work+0x543/0x13c0 io_uring/io_uring.c:3027=0A= =A0process_one_work+0x9ba/0x1820 kernel/workqueue.c:2390=0A= =A0worker_thread+0x669/0x1090 kernel/workqueue.c:2537=0A= =A0kthread+0x2e8/0x3a0 kernel/kthread.c:376=0A= =A0ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308=0A= =A0=0A= INFO: task kworker/u16:63:876 blocked for more than 143 seconds.=0A= =A0 =A0 =A0 Not tainted 6.2.0-next-20230225 #1=0A= "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.= =0A= task:kworker/u16:63 =A0state:D stack:24272 pid:876 =A0 ppid:2 =A0 =A0 =A0fl= ags:0x00004000=0A= Workqueue: events_unbound io_ring_exit_work=0A= Call Trace:=0A= =A0=0A= =A0context_switch kernel/sched/core.c:5304 [inline]=0A= =A0__schedule+0x24bc/0x5a60 kernel/sched/core.c:6622=0A= =A0schedule+0xe7/0x1b0 kernel/sched/core.c:6698=0A= =A0schedule_timeout+0x26e/0x2b0 kernel/time/timer.c:2143=0A= =A0do_wait_for_common kernel/sched/completion.c:85 [inline]=0A= =A0__wait_for_common+0x1ce/0x5d0 kernel/sched/completion.c:106=0A= =A0io_ring_exit_work+0x543/0x13c0 io_uring/io_uring.c:3027=0A= =A0process_one_work+0x9ba/0x1820 kernel/workqueue.c:2390=0A= =A0worker_thread+0x669/0x1090 kernel/workqueue.c:2537=0A= =A0kthread+0x2e8/0x3a0 kernel/kthread.c:376=0A= =A0ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308=0A= =A0=0A= INFO: task kworker/u16:64:877 blocked for more than 143 seconds.=0A= =A0 =A0 =A0 Not tainted 6.2.0-next-20230225 #1=0A= "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.= =0A= task:kworker/u16:64 =A0state:D stack:25008 pid:877 =A0 ppid:2 =A0 =A0 =A0fl= ags:0x00004000=0A= Workqueue: events_unbound io_ring_exit_work=0A= Call Trace:=0A= =A0=0A= =A0context_switch kernel/sched/core.c:5304 [inline]=0A= =A0__schedule+0x24bc/0x5a60 kernel/sched/core.c:6622=0A= =A0schedule+0xe7/0x1b0 kernel/sched/core.c:6698=0A= =A0schedule_timeout+0x26e/0x2b0 kernel/time/timer.c:2143=0A= =A0do_wait_for_common kernel/sched/completion.c:85 [inline]=0A= =A0__wait_for_common+0x1ce/0x5d0 kernel/sched/completion.c:106=0A= =A0io_ring_exit_work+0x543/0x13c0 io_uring/io_uring.c:3027=0A= =A0process_one_work+0x9ba/0x1820 kernel/workqueue.c:2390=0A= =A0worker_thread+0x669/0x1090 kernel/workqueue.c:2537=0A= =A0kthread+0x2e8/0x3a0 kernel/kthread.c:376=0A= =A0ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308=0A= =A0=0A= INFO: task kworker/u16:0:28836 blocked for more than 143 seconds.=0A= =A0 =A0 =A0 Not tainted 6.2.0-next-20230225 #1=0A= "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.= =0A= task:kworker/u16:0 =A0 state:D stack:25472 pid:28836 ppid:2 =A0 =A0 =A0flag= s:0x00004000=0A= Workqueue: loop2 loop_rootcg_workfn=0A= Call Trace:=0A= =A0=0A= =A0context_switch kernel/sched/core.c:5304 [inline]=0A= =A0__schedule+0x24bc/0x5a60 kernel/sched/core.c:6622=0A= =A0schedule+0xe7/0x1b0 kernel/sched/core.c:6698=0A= =A0io_schedule+0xbe/0x130 kernel/sched/core.c:8884=0A= =A0folio_wait_bit_common+0x390/0x9b0 mm/filemap.c:1301=0A= =A0__folio_lock mm/filemap.c:1664 [inline]=0A= =A0folio_lock include/linux/pagemap.h:952 [inline]=0A= =A0folio_lock include/linux/pagemap.h:948 [inline]=0A= =A0__filemap_get_folio+0xb13/0xd20 mm/filemap.c:1936=0A= =A0shmem_get_folio_gfp+0x41e/0x1960 mm/shmem.c:1880=0A= =A0shmem_get_folio mm/shmem.c:2071 [inline]=0A= =A0shmem_file_read_iter+0x569/0xa50 mm/shmem.c:2748=0A= =A0call_read_iter include/linux/fs.h:1845 [inline]=0A= =A0do_iter_readv_writev+0x2df/0x3b0 fs/read_write.c:733=0A= =A0do_iter_read+0x2f2/0x750 fs/read_write.c:796=0A= =A0vfs_iter_read+0x74/0xa0 fs/read_write.c:838=0A= =A0lo_read_simple drivers/block/loop.c:290 [inline]=0A= =A0do_req_filebacked drivers/block/loop.c:500 [inline]=0A= =A0loop_handle_cmd drivers/block/loop.c:1879 [inline]=0A= =A0loop_process_work+0x15a8/0x2130 drivers/block/loop.c:1914=0A= =A0process_one_work+0x9ba/0x1820 kernel/workqueue.c:2390=0A= =A0worker_thread+0x669/0x1090 kernel/workqueue.c:2537=0A= =A0kthread+0x2e8/0x3a0 kernel/kthread.c:376=0A= =A0ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308=0A= =A0=0A= Future hung task reports are suppressed, see sysctl kernel.hung_task_warnin= gs=0A= =0A= Showing all locks held in the system:=0A= 1 lock held by rcu_tasks_kthre/12:=0A= =A0#0: ffffffff8bf915f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tas= ks_one_gp+0x2e/0xd90 kernel/rcu/tasks.h:510=0A= 1 lock held by rcu_tasks_trace/13:=0A= =A0#0: ffffffff8bf912f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: r= cu_tasks_one_gp+0x2e/0xd90 kernel/rcu/tasks.h:510=0A= 1 lock held by khungtaskd/59:=0A= =A0#0: ffffffff8bf92140 (rcu_read_lock){....}-{1:2}, at: debug_show_all_loc= ks+0x55/0x340 kernel/locking/lockdep.c:6495=0A= 1 lock held by in:imklog/7366:=0A= =A0#0: ffff88811488a168 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/= 0x100 fs/file.c:1046=0A= 1 lock held by syz-fuzzer/7263:=0A= 2 locks held by kworker/u16:20/839:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90007487da8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:24/842:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc900074b7da8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:27/845:=0A= =A0#0: =0A= ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atom= ic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atom= ic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_lo= ng_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_= data kernel/workqueue.c:639 [inline]=0A= ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_= pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_o= ne_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc900074e7da8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:57/870:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc900076bfda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:58/871:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc900076cfda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:60/874:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc9000775fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:62/875:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc9000776fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:63/876:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc9000777fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:64/877:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc9000781fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:0/28836:=0A= =A0#0: ffff8880458e9938 ((wq_completion)loop2){+.+.}-{0:0}, at: arch_atomic= 64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff8880458e9938 ((wq_completion)loop2){+.+.}-{0:0}, at: arch_atomic= _long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff8880458e9938 ((wq_completion)loop2){+.+.}-{0:0}, at: atomic_long= _set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff8880458e9938 ((wq_completion)loop2){+.+.}-{0:0}, at: set_work_da= ta kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff8880458e9938 ((wq_completion)loop2){+.+.}-{0:0}, at: set_work_po= ol_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff8880458e9938 ((wq_completion)loop2){+.+.}-{0:0}, at: process_one= _work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90009aa7da8 ((work_completion)(&lo->rootcg_work)){+.+.}-{0:0}, = at: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by syz-executor.2/6115:=0A= =A0#0: ffff8881128c00e0 (&type->s_umount_key#73/1){+.+.}-{3:3}, at: alloc_s= uper+0x22e/0xb60 fs/super.c:228=0A= =A0#1: ffff8881128b5090 (&nilfs->ns_sem){++++}-{3:3}, at: init_nilfs+0x7d/0= x1300 fs/nilfs2/the_nilfs.c:630=0A= 2 locks held by kworker/u16:1/6137:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90003a0fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:2/6138:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90003887da8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:3/6139:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90003a2fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:4/6140:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90003677da8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:5/6141:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90003847da8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:6/6142:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90003a3fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:7/6143:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90003a4fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:8/6144:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90003a5fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:9/6145:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90003a6fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:10/6146:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90003a7fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= 2 locks held by kworker/u16:11/6147:=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: ar= ch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: at= omic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_data kernel/workqueue.c:639 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: se= t_work_pool_and_clear_pending kernel/workqueue.c:666 [inline]=0A= =A0#0: ffff888100081138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: pr= ocess_one_work+0x868/0x1820 kernel/workqueue.c:2361=0A= =A0#1: ffffc90003a8fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, a= t: process_one_work+0x89c/0x1820 kernel/workqueue.c:2365=0A= =0A= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=0A=