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[syzbot] divide error in flush_commit_list | 0 (1) | 2022/12/18 15:58 |
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[syzbot] divide error in flush_commit_list | 0 (1) | 2022/12/18 15:58 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-5.15 | divide error in flush_commit_list (2) | 2 | 40d | 128d | 0/3 | upstream: reported on 2024/04/25 09:33 | |||
linux-4.19 | divide error in flush_commit_list | 1 | 560d | 560d | 0/1 | upstream: reported on 2023/02/18 21:03 | |||
linux-5.15 | divide error in flush_commit_list | 1 | 486d | 486d | 0/3 | auto-obsoleted due to no activity on 2023/08/23 09:10 |
divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 24508 Comm: kworker/0:1 Not tainted 6.7.0-rc7-syzkaller-00016-gf5837722ffec #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: reiserfs/loop0 flush_async_commits RIP: 0010:flush_commit_list+0x954/0x1c50 fs/reiserfs/journal.c:1050 Code: fc ff df 0f b6 04 18 84 c0 0f 85 c6 01 00 00 4c 89 f0 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 d3 01 00 00 41 8b 0f 48 89 e8 31 d2 <48> f7 f1 48 89 d5 49 83 c4 18 4c 89 e0 48 c1 e8 03 80 3c 18 00 74 RSP: 0018:ffffc90004c6f9e8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc9000ad79408 RBP: 0000000000000000 R08: ffffc9000ad7940b R09: 1ffff920015af281 R10: dffffc0000000000 R11: fffff520015af282 R12: ffff88802a0fd000 R13: 0000000000000000 R14: ffff88806dd4f017 R15: ffff88806dd4f014 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa59af9d988 CR3: 0000000019734000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> flush_older_commits fs/reiserfs/journal.c:918 [inline] flush_commit_list+0x3d1/0x1c50 fs/reiserfs/journal.c:996 flush_async_commits+0xa4/0xc0 fs/reiserfs/journal.c:3553 process_one_work kernel/workqueue.c:2627 [inline] process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2700 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2781 kthread+0x2d3/0x370 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:flush_commit_list+0x954/0x1c50 fs/reiserfs/journal.c:1050 Code: fc ff df 0f b6 04 18 84 c0 0f 85 c6 01 00 00 4c 89 f0 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 d3 01 00 00 41 8b 0f 48 89 e8 31 d2 <48> f7 f1 48 89 d5 49 83 c4 18 4c 89 e0 48 c1 e8 03 80 3c 18 00 74 RSP: 0018:ffffc90004c6f9e8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc9000ad79408 RBP: 0000000000000000 R08: ffffc9000ad7940b R09: 1ffff920015af281 R10: dffffc0000000000 R11: fffff520015af282 R12: ffff88802a0fd000 R13: 0000000000000000 R14: ffff88806dd4f017 R15: ffff88806dd4f014 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa0a4e1d000 CR3: 000000000d731000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: df 0f fisttps (%rdi) 2: b6 04 mov $0x4,%dh 4: 18 84 c0 0f 85 c6 01 sbb %al,0x1c6850f(%rax,%rax,8) b: 00 00 add %al,(%rax) d: 4c 89 f0 mov %r14,%rax 10: 48 c1 e8 03 shr $0x3,%rax 14: 0f b6 04 18 movzbl (%rax,%rbx,1),%eax 18: 84 c0 test %al,%al 1a: 0f 85 d3 01 00 00 jne 0x1f3 20: 41 8b 0f mov (%r15),%ecx 23: 48 89 e8 mov %rbp,%rax 26: 31 d2 xor %edx,%edx * 28: 48 f7 f1 div %rcx <-- trapping instruction 2b: 48 89 d5 mov %rdx,%rbp 2e: 49 83 c4 18 add $0x18,%r12 32: 4c 89 e0 mov %r12,%rax 35: 48 c1 e8 03 shr $0x3,%rax 39: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) 3d: 74 .byte 0x74
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/12/28 13:38 | upstream | f5837722ffec | fb427a07 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/12/10 00:19 | upstream | b10a3ccaf6e3 | 28b24332 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/11/28 08:19 | upstream | df60cee26a2e | 9fe51b7c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/11/23 22:38 | upstream | d3fa86b1a7b4 | 5b429f39 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/11/23 10:05 | upstream | 9b6de136b5f0 | fc59b78e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/11/12 14:53 | upstream | 1b907d050735 | 6d6dbf8a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/10/25 07:09 | upstream | d88520ad73b7 | 17e6d526 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/10/05 05:24 | upstream | ba7d997a2a29 | b7d7ff54 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/10/02 22:07 | upstream | 8a749fd1a872 | 50b20e75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/09/25 22:07 | upstream | 6465e260f487 | 0b6a67ac | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/09/04 21:03 | upstream | 708283abf896 | db3306a6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/07/06 07:09 | upstream | d528014517f2 | ba5dba36 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/06/24 08:56 | upstream | 61dabacdad4e | 79782afc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/05/29 22:24 | upstream | 8b817fded42d | cf184559 | .config | console log | report | info | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu-upstream | divide error in flush_commit_list | ||
2023/05/16 20:33 | upstream | f1fcbaa18b28 | 11c89444 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/05/02 08:03 | upstream | c8c655c34e33 | 62df2017 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/04/27 23:05 | upstream | cec24b8b6bb8 | 70a605de | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | divide error in flush_commit_list | ||
2023/03/25 13:44 | upstream | 65aca32efdcb | fbf0499a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | divide error in flush_commit_list | ||
2023/03/03 18:54 | upstream | 2eb29d59ddf0 | f8902b57 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/01/23 03:27 | upstream | 2475bf0250de | cc0f9968 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2023/01/16 09:50 | upstream | 5dc4c995db9e | a63719e7 | .config | console log | report | info | ci2-upstream-fs | divide error in flush_commit_list | |||
2023/01/04 06:24 | upstream | 69b41ac87e4a | f0036e18 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2022/12/28 02:50 | upstream | 1b929c02afd3 | 44712fbc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list | ||
2022/12/14 15:53 | upstream | e2ca6ba6ba01 | b18f0a64 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | divide error in flush_commit_list |