syzbot


kernel BUG in flush_commit_list

Status: auto-obsoleted due to no activity on 2024/08/13 19:18
Reported-by: syzbot+d3bb533cf8d65d1665f1@syzkaller.appspotmail.com
First crash: 199d, last: 199d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in flush_commit_list reiserfs 2 452d 512d 0/28 auto-obsoleted due to no activity on 2023/12/05 13:22
upstream kernel BUG in flush_commit_list (2) reiserfs 1 341d 337d 0/28 auto-obsoleted due to no activity on 2024/03/24 18:04

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/reiserfs/journal.c:1105!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3677 Comm: syz-executor.2 Not tainted 5.15.158-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:flush_commit_list+0x1e91/0x1ec0 fs/reiserfs/journal.c:1105
Code: 0b 08 e8 f2 a3 6d ff 0f 0b e8 eb a3 6d ff 0f 0b e8 e4 a3 6d ff 0f 0b e8 dd a3 6d ff 0f 0b e8 d6 a3 6d ff 0f 0b e8 cf a3 6d ff <0f> 0b e8 c8 a3 6d ff 0f 0b 48 8b 4c 24 20 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900044371a0 EFLAGS: 00010246
RAX: ffffffff8212b8f1 RBX: 0000000000000002 RCX: 0000000000040000
RDX: ffffc9000368b000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90004437308 R08: ffffffff8212adea R09: ffffed100e9c96e9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888141fb0678
R13: ffff888141fb0000 R14: ffff88805fe5b4d0 R15: 1ffff1100bfcb69a
FS:  00007f415d9336c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000c634ac CR3: 0000000075f7d000 CR4: 00000000003506f0
DR0: 0000000000002800 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 flush_journal_list+0x2a8/0x1c80 fs/reiserfs/journal.c:1388
 flush_used_journal_lists+0x1254/0x15d0 fs/reiserfs/journal.c:1826
 do_journal_end+0x391a/0x4650
 do_journal_begin_r+0x950/0x1000
 journal_begin+0x148/0x350 fs/reiserfs/journal.c:3253
 reiserfs_fill_super+0x1812/0x2690 fs/reiserfs/super.c:2108
 mount_bdev+0x2c9/0x3f0 fs/super.c:1387
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1517
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3005
 do_mount fs/namespace.c:3348 [inline]
 __do_sys_mount fs/namespace.c:3556 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f415f3c23aa
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f415d932ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f415d932f80 RCX: 00007f415f3c23aa
RDX: 0000000020000040 RSI: 0000000020000280 RDI: 00007f415d932f40
RBP: 0000000020000040 R08: 00007f415d932f80 R09: 0000000001000098
R10: 0000000001000098 R11: 0000000000000202 R12: 0000000020000280
R13: 00007f415d932f40 R14: 00000000000010fd R15: 0000000020000300
 </TASK>
Modules linked in:
---[ end trace 563896875931a268 ]---
RIP: 0010:flush_commit_list+0x1e91/0x1ec0 fs/reiserfs/journal.c:1105
Code: 0b 08 e8 f2 a3 6d ff 0f 0b e8 eb a3 6d ff 0f 0b e8 e4 a3 6d ff 0f 0b e8 dd a3 6d ff 0f 0b e8 d6 a3 6d ff 0f 0b e8 cf a3 6d ff <0f> 0b e8 c8 a3 6d ff 0f 0b 48 8b 4c 24 20 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900044371a0 EFLAGS: 00010246
RAX: ffffffff8212b8f1 RBX: 0000000000000002 RCX: 0000000000040000
RDX: ffffc9000368b000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90004437308 R08: ffffffff8212adea R09: ffffed100e9c96e9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888141fb0678
R13: ffff888141fb0000 R14: ffff88805fe5b4d0 R15: 1ffff1100bfcb69a
FS:  00007f415d9336c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3644f99000 CR3: 0000000075f7d000 CR4: 00000000003526e0
DR0: 0000000000002800 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/05 19:17 linux-5.15.y 284087d4f7d5 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in flush_commit_list
* Struck through repros no longer work on HEAD.