syzbot


WARNING in reiserfs_lookup

Status: auto-obsoleted due to no activity on 2023/10/31 18:44
Reported-by: syzbot+569132600788c08ce33e@syzkaller.appspotmail.com
First crash: 527d, last: 486d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in reiserfs_lookup 6 221d 391d 0/3 auto-obsoleted due to no activity on 2024/07/23 04:34
upstream WARNING in reiserfs_lookup reiserfs C inconclusive done 1259 309d 818d 0/28 auto-obsoleted due to no activity on 2024/04/28 17:50
linux-5.15 WARNING in reiserfs_lookup (2) origin:upstream C 8 9d03h 235d 0/3 upstream: reported C repro on 2024/03/31 03:45

Sample crash report:
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 0 PID: 19575 at kernel/locking/mutex.c:575 __mutex_lock_common+0x1a52/0x25a0 kernel/locking/mutex.c:575
Modules linked in:
CPU: 1 PID: 19575 Comm: syz-executor.3 Not tainted 5.15.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:__mutex_lock_common+0x1a52/0x25a0 kernel/locking/mutex.c:575
Code: 04 08 84 c0 0f 85 d9 08 00 00 83 3d bf 80 bf 03 00 0f 85 e9 e6 ff ff 48 c7 c7 e0 eb 8a 8a 48 c7 c6 20 ec 8a 8a e8 5e 25 27 f7 <0f> 0b e9 cf e6 ff ff e8 f2 df db f6 e9 58 fb ff ff 0f 0b e9 d1 f0
RSP: 0018:ffffc90004daf5a0 EFLAGS: 00010246
RAX: 2c8c82e4ef72bc00 RBX: dffffc0000000000 RCX: 0000000000040000
RDX: ffffc90003502000 RSI: 00000000000268bf RDI: 00000000000268c0
RBP: ffffc90004daf710 R08: ffffffff8166490c R09: ffffed10173467a0
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888033be0a28 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f70479026c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c001b6af28 CR3: 0000000036dab000 CR4: 00000000003526f0
DR0: 00000000ffff070c DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
 reiserfs_write_lock+0x76/0xd0 fs/reiserfs/lock.c:27
 reiserfs_lookup+0x15c/0x4b0 fs/reiserfs/namei.c:364
 lookup_open fs/namei.c:3370 [inline]
 open_last_lookups fs/namei.c:3462 [inline]
 path_openat+0x110e/0x2f20 fs/namei.c:3669
 do_filp_open+0x21c/0x460 fs/namei.c:3699
 do_sys_openat2+0x13b/0x500 fs/open.c:1211
 do_sys_open fs/open.c:1227 [inline]
 __do_sys_creat fs/open.c:1301 [inline]
 __se_sys_creat fs/open.c:1295 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1295
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f7049380b29
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:00007f70479020c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f704949ff80 RCX: 00007f7049380b29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020001140
RBP: 00007f70493cc47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f704949ff80 R15: 00007ffe22db2538
 </TASK>

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/07/23 18:44 linux-5.15.y cdd3cdb682f4 27cbe77f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in reiserfs_lookup
2023/06/15 01:57 linux-5.15.y 471e639e59d1 76decb82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in reiserfs_lookup
2023/06/12 20:01 linux-5.15.y 7349e40704a0 aaed0183 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in reiserfs_lookup
* Struck through repros no longer work on HEAD.