syzbot


kernel BUG in flush_commit_list

Status: auto-obsoleted due to no activity on 2023/12/05 13:22
Subsystems: reiserfs
[Documentation on labels]
Reported-by: syzbot+702d8ffe347fa9623624@syzkaller.appspotmail.com
First crash: 252d, last: 188d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [reiserfs?] kernel BUG in flush_commit_list 0 (1) 2023/06/28 07:07
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in flush_commit_list (2) reiserfs 1 78d 74d 0/26 upstream: reported on 2023/12/19 18:06

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/reiserfs/journal.c:1108!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6294 Comm: syz-executor.2 Not tainted 6.5.0-rc7-syzkaller-00185-g28f20a19294d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:flush_commit_list+0x1bc3/0x1bf0 fs/reiserfs/journal.c:1108
Code: ff ff e8 f0 9f 58 ff 0f 0b e8 e9 9f 58 ff 0f 0b e8 e2 9f 58 ff 0f 0b e8 db 9f 58 ff 0f 0b e8 d4 9f 58 ff 0f 0b e8 cd 9f 58 ff <0f> 0b e8 c6 9f 58 ff 0f 0b 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90016e7f3a0 EFLAGS: 00010293
RAX: ffffffff823318b3 RBX: ffff88802cf294d0 RCX: ffff88802a0dd940
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000002 R08: ffffffff82330d44 R09: 1ffff1101004101d
R10: dffffc0000000000 R11: ffffed101004101e R12: ffff88802cf2941c
R13: dffffc0000000000 R14: ffff88807b576000 R15: 1ffff110059e529a
FS:  00007f834574f6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4c658f5000 CR3: 000000002d35d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 flush_journal_list+0x2a8/0x1c70 fs/reiserfs/journal.c:1391
 flush_used_journal_lists+0x1256/0x15d0 fs/reiserfs/journal.c:1829
 do_journal_end+0x39fb/0x4780
 do_journal_begin_r+0x970/0x1020
 journal_begin+0x14c/0x360 fs/reiserfs/journal.c:3258
 reiserfs_sync_fs+0xb0/0x150 fs/reiserfs/super.c:77
 dquot_quota_sync+0xdb/0x490 fs/quota/dquot.c:704
 iterate_supers+0x12b/0x1e0 fs/super.c:744
 quota_sync_all fs/quota/quota.c:69 [inline]
 __do_sys_quotactl fs/quota/quota.c:938 [inline]
 __se_sys_quotactl+0x391/0xa30 fs/quota/quota.c:917
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8344a7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f834574f0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f8344b9bf80 RCX: 00007f8344a7cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000100
RBP: 00007f8344ac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f8344b9bf80 R15: 00007ffdad362798
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:flush_commit_list+0x1bc3/0x1bf0 fs/reiserfs/journal.c:1108
Code: ff ff e8 f0 9f 58 ff 0f 0b e8 e9 9f 58 ff 0f 0b e8 e2 9f 58 ff 0f 0b e8 db 9f 58 ff 0f 0b e8 d4 9f 58 ff 0f 0b e8 cd 9f 58 ff <0f> 0b e8 c6 9f 58 ff 0f 0b 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90016e7f3a0 EFLAGS: 00010293
RAX: ffffffff823318b3 RBX: ffff88802cf294d0 RCX: ffff88802a0dd940
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000002 R08: ffffffff82330d44 R09: 1ffff1101004101d
R10: dffffc0000000000 R11: ffffed101004101e R12: ffff88802cf2941c
R13: dffffc0000000000 R14: ffff88807b576000 R15: 1ffff110059e529a
FS:  00007f834574f6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa6c59ddd58 CR3: 000000002d35d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/08/27 13:21 upstream 28f20a19294d 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in flush_commit_list
2023/06/24 06:55 upstream 61dabacdad4e 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in flush_commit_list
* Struck through repros no longer work on HEAD.