Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp2457541imm; Mon, 16 Jul 2018 08:19:46 -0700 (PDT) X-Google-Smtp-Source: AAOMgpfqfY/RxH4oJgxORQwg/dwNkRy/7caYAej2FqXbSEPwsolLN9rhuajvCYP7k6qDwIlcCOY5 X-Received: by 2002:a62:b40c:: with SMTP id h12-v6mr18637893pfn.18.1531754386872; Mon, 16 Jul 2018 08:19:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531754386; cv=none; d=google.com; s=arc-20160816; b=O5o3OR8Q9m132/giveltr0aY8OTUPk3J03ir4NbDhPa12IahixAjByy/fzGVTr+GM3 Y99cXZfbxxucDJlrNgRfbMSHIu006DMSjSQ49RRPVcOS8PWwoWn8czQYdoe+Vl+WuWml ZyNYAljnc4WN4T1Jxim107JJrrbFnGUHGi2D8duBaHeztk6hnhM/30QkSthRGrthwOyL xr2WLjxZtfINKpkPALx4jCeE8aMPdIyYy21S9RrtDR/mknEXED2eBnNOMr9eZU6pl6OU yVK66n6fQksSbNjWOVPxEi2ef3tJSYWWxoK409TlcsSRYSA0/1NTpGPgkmtGVT8orlYF JnaA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:date :mime-version:arc-authentication-results; bh=euXY6Sz/2v+zE7oqzitSIKvfHL+U109UMyv+SESYFhA=; b=iUejXZBa5o0nbPYAcsxIW6vWf/OBNOoxY5Cymp3lKPUj485oKS+pIu3GoagJTTSeNn Qj0xg6rsWJTAq61lXbbbPvhh/3gTsOzvfXyB07pN+HTcl1r8KkxrkAITexBjVuFYO1PC h7/fEqcasxbxEitleVkCdc0M676sQjbuMWRtPMfShRjGy5BAMz49eZ3Fv9yAcdvBFATS evvR7uyRYn8HmzdmraVRJgCNJTFW6U3x6n+TmTlOX6YXD+8Ip5Mzue9stYGioOxvAVyd Hlwo0GTlwYXwZW+vFqRd5DX+zRruY4omkj+M/guH8ZF0ZIQKh5UpW2s7v4fHtpXhS/g2 lFIw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a12-v6si28352175pgv.296.2018.07.16.08.19.31; Mon, 16 Jul 2018 08:19:46 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 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 S1731064AbeGPPp5 (ORCPT + 99 others); Mon, 16 Jul 2018 11:45:57 -0400 Received: from mail-it0-f71.google.com ([209.85.214.71]:58471 "EHLO mail-it0-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727387AbeGPPp4 (ORCPT ); Mon, 16 Jul 2018 11:45:56 -0400 Received: by mail-it0-f71.google.com with SMTP id y13-v6so13707652ita.8 for ; Mon, 16 Jul 2018 08:18:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=euXY6Sz/2v+zE7oqzitSIKvfHL+U109UMyv+SESYFhA=; b=XrLTU8ads+Cqlatz/na2Sb5vpAyqJ95jbhcMlKZ5qzNfPxaQR+DhQ8QsQmncXGbp46 sXBPB80CWDo81oSz6UVh44XbKWlNQA5S9n6SLkxSr2ieneY5fOxM8dfpwcVJoenmUnNE 5QkDg1eIqsBAy6upiDJt6Yr3c5ctpUe9ez2JUTBcm32GtJZGnHBhqBzcjALYLYwQ8H+C Q2/PYFg+ggMpojqfsQPTNd2+pvouplz+fdObhCBkK1AitNcooXPkSxX86wQsIYhBwC4z 1KAYK8q1hVP9Sj4BcDgmc9BERt0gKwZo8DkA4CDgVTadW/ySI0aTvrGb3EqAbmV7KaKL z/Ag== X-Gm-Message-State: AOUpUlG8XmyOOvrDOEZLH6df8i7xdxCwznj2Tu82AT6IH6PJJ7vROcSL IQfv9G4K/ee5eqB3SzaYpuHVC0wCi6mGFV/+z1Pn8AmjcGcv MIME-Version: 1.0 X-Received: by 2002:a02:a319:: with SMTP id q25-v6mr7673683jai.44.1531754282818; Mon, 16 Jul 2018 08:18:02 -0700 (PDT) Date: Mon, 16 Jul 2018 08:18:02 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e92d1805711f5552@google.com> Subject: WARNING in bpf_jit_free From: syzbot To: ast@kernel.org, daniel@iogearbox.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 9d3cce1e8b85 Linux 4.18-rc5 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1127970c400000 kernel config: https://syzkaller.appspot.com/x/.config?x=6d0ccc9273f0e539 dashboard link: https://syzkaller.appspot.com/bug?extid=2ff1e7cb738fd3c41113 compiler: gcc (GCC) 8.0.1 20180413 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+2ff1e7cb738fd3c41113@syzkaller.appspotmail.com WARNING: CPU: 0 PID: 12000 at kernel/bpf/core.c:628 bpf_jit_free+0x2e5/0x3f0 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:bpf_jit_free+0x2e5/0x3f0 Code: 07 38 c8 7f 08 84 c0 0f 85 85 00 00 00 48 b8 00 02 00 00 00 00 ad de 44 0f b6 63 02 48 39 c2 0f 84 d9 fd ff ff e8 db a3 f3 ff <0f> 0b e9 cd fd ff ff e8 cf a3 f3 ff 4c 89 f0 48 ba 00 00 00 00 00 RSP: 0018:ffff880194267640 EFLAGS: 00010293 RAX: ffff8801aa76e6c0 RBX: ffffc9000192e000 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff81886765 RDI: ffff8801d9223768 RBP: ffff8801942676d8 R08: ffff8801aa76eef8 R09: 0000000000000006 R10: ffff8801aa76e6c0 R11: 0000000000000000 R12: 000000000000000f R13: 1ffff1003284ceca R14: ffffc9000192e002 R15: ffffc9000192e020 BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#1] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff880194266f80 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff8801942670f8 R08: ffff8801aa76e6c0 R09: ffffed003b5c46d6 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#2] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff880194266818 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff880194266990 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#3] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff8801942660a8 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff880194266220 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#4] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff880194265938 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff880194265ab0 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#5] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff8801942651c8 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff880194265340 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#6] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff880194264a58 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff880194264bd0 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#7] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff8801942642e8 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff880194264460 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#8] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff880194263b78 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff880194263cf0 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#9] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff880194263408 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff880194263580 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#10] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff880194262c98 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff880194262e10 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#11] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff880194262528 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff8801942626a0 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#12] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff880194261db8 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff880194261f30 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#13] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff880194261648 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff8801942617c0 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Oops: 0000 [#14] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:384 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:435 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0x2f8/0x4c0 kernel/bpf/core.c:509 Code: e7 f3 ff 0f 0b e8 38 e7 f3 ff 4c 89 e6 4c 89 ef e8 dd e7 f3 ff 4d 39 e5 0f 82 a0 00 00 00 e8 1f e7 f3 ff 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 4e 01 00 00 41 8b 04 24 4c RSP: 0018:ffff880194260ed8 EFLAGS: 00010806 RAX: 1ffffffff4002000 RBX: ffff8801d9223730 RCX: ffffffff81882413 RDX: 0000000000000000 RSI: ffffffff81882421 RDI: 0000000000000006 RBP: ffff880194261050 R08: ffff8801aa76e6c0 R09: 0000000000000001 R10: ffffed003b5c46d6 R11: ffff8801dae236b3 R12: ffffffffa0010000 R13: ffffffffffffffff R14: dffffc0000000000 R15: ffff8801d9223730 FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff4002000 CR3: 00000001817e0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: BUG: unable to handle kernel paging request at fffffbfff4002000 PGD 21fbea067 P4D 21fbea067 PUD 21fa5e067 PMD 1c4b80067 PTE 0 Thread overran stack, or stack corrupted Oops: 0000 [#15] SMP KASAN CPU: 0 PID: 12000 Comm: kworker/0:5 Not tainted 4.18.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 usercopy: Kernel memory overwrite attempt detected to process stack (offset 0, size 8)! usercopy: Kernel memory overwrite attempt detected to SLAB object 'kmalloc-4096' (offset 4120, size 2)! ------------[ cut here ]------------ --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with syzbot.