syzbot


WARNING in reiserfs_lookup

Status: upstream: reported C repro on 2022/08/25 18:25
Labels: reiserfs (incorrect?)
Reported-by: syzbot+392ac209604cc18792e5@syzkaller.appspotmail.com
First crash: 283d, last: 3d23h

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: general protection fault in reiserfs_security_init (log)
Repro: C syz .config
Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly reiserfs report (May 2023) 0 (1) 2023/05/29 08:47
[syzbot] Monthly reiserfs report (Apr 2023) 0 (1) 2023/04/27 10:49
[syzbot] Monthly reiserfs report 0 (1) 2023/03/27 11:03
[syzbot] WARNING in reiserfs_lookup 0 (2) 2022/09/09 21:35

Sample crash report:
loop0: detected capacity change from 0 to 64
BFS-fs: bfs_fill_super(): loop0 is unclean, continuing
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 1 PID: 4008 at kernel/locking/mutex.c:582 __mutex_lock_common kernel/locking/mutex.c:582 [inline]
WARNING: CPU: 1 PID: 4008 at kernel/locking/mutex.c:582 __mutex_lock+0xa01/0x1350 kernel/locking/mutex.c:747
Modules linked in:
CPU: 1 PID: 4008 Comm: syz-executor377 Not tainted 6.0.0-rc4-syzkaller-00204-g9b4509495418 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:582 [inline]
RIP: 0010:__mutex_lock+0xa01/0x1350 kernel/locking/mutex.c:747
Code: 08 84 d2 0f 85 7f 08 00 00 8b 05 d2 3e 5d 04 85 c0 0f 85 12 f7 ff ff 48 c7 c6 a0 95 ec 89 48 c7 c7 00 93 ec 89 e8 71 db b8 ff <0f> 0b e9 f8 f6 ff ff 48 8b 7c 24 30 be 08 00 00 00 e8 49 ab 46 f8
RSP: 0018:ffffc9000309f610 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888024f7bb00 RSI: ffffffff8161f408 RDI: fffff52000613eb4
RBP: ffff888025ac1628 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc9000309f850 R15: ffff88806d6d8858
FS:  0000555556856300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd63888948 CR3: 000000001c0cd000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 reiserfs_write_lock+0x75/0xf0 fs/reiserfs/lock.c:27
 reiserfs_lookup+0x171/0x490 fs/reiserfs/namei.c:364
 lookup_open.isra.0+0x76a/0x12a0 fs/namei.c:3391
 open_last_lookups fs/namei.c:3481 [inline]
 path_openat+0x996/0x28f0 fs/namei.c:3688
 do_filp_open+0x1b6/0x400 fs/namei.c:3718
 do_sys_openat2+0x16d/0x4c0 fs/open.c:1311
 do_sys_open fs/open.c:1327 [inline]
 __do_sys_openat fs/open.c:1343 [inline]
 __se_sys_openat fs/open.c:1338 [inline]
 __x64_sys_openat+0x13f/0x1f0 fs/open.c:1338
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2022d7c9b9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd63888968 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f2022d7c9b9
RDX: 000000000000275a RSI: 0000000020000240 RDI: 00000000ffffff9c
RBP: 0000000020010000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd63888990
R13: 00007ffd6388897c R14: 431bde82d7b634db R15: 0000000000000000
 </TASK>

Crashes (1186):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2022/09/10 01:34 upstream 9b4509495418 356d8217 .config strace log report syz C [disk image] [vmlinux] ci-upstream-kasan-gce-root WARNING in reiserfs_lookup
2022/09/09 21:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 92221e2af10d 356d8217 .config console log report syz C [disk image] [vmlinux] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/05/29 22:50 upstream 8b817fded42d cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/05/29 09:13 upstream e338142b39cf cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in reiserfs_lookup
2023/05/26 14:03 upstream 9db898594c54 b40ef614 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/05/25 10:45 upstream 933174ae28ba 0513b3e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/05/24 23:34 upstream 9d646009f65d 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/05/23 22:19 upstream ae8373a5add4 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/05/15 03:09 upstream 838a854820ee 2b9ba477 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in reiserfs_lookup
2023/05/15 01:44 upstream 31f4104e392a 2b9ba477 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in reiserfs_lookup
2023/05/12 08:02 upstream 105131df9c3b adb9a3cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/30 20:25 upstream 825a0714d2b3 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/30 03:09 upstream 1ae78a14516b 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/25 05:10 upstream 1a0beef98b58 65320f8e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/23 21:48 upstream 457391b03803 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/23 00:38 upstream 2caeeb9d4a1b 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/22 22:48 upstream 2caeeb9d4a1b 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/22 18:25 upstream 2caeeb9d4a1b 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/22 09:28 upstream 8e41e0a57566 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/22 06:22 upstream 8e41e0a57566 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/22 03:00 upstream 8e41e0a57566 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/21 00:14 upstream 6a66fdd29ea1 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/19 16:08 upstream 789b4a41c247 94b4184e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/19 06:50 upstream af67688dca57 94b4184e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/18 04:53 upstream 6a8f57ae2eb0 436577a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/17 19:09 upstream 6a8f57ae2eb0 c6ec7083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/16 20:33 upstream 3e7bb4f24617 ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/16 11:38 upstream 3e7bb4f24617 ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/15 22:10 upstream a7a55e27ad72 ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/15 08:20 upstream 7a934f4bd7d6 ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/14 16:03 upstream 44149752e998 ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/14 10:53 upstream 44149752e998 3cfcaa1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/13 19:33 upstream de4664485abb 3cfcaa1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/13 10:02 upstream de4664485abb 82d5e53e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/13 06:57 upstream 0bcc40255504 82d5e53e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/12 07:59 upstream e62252bc55b6 1a1596b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/11 22:39 upstream e62252bc55b6 49faf98d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/11 07:23 upstream 0d3eb744aed4 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/10 23:28 upstream 0d3eb744aed4 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/10 00:40 upstream 09a9639e56c0 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/09 16:04 upstream cdc9718d5e59 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/09 05:28 upstream a79d5c76f705 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/08 17:26 upstream aa318c48808c 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/04/06 06:39 upstream 99ddf2254feb 8b834965 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in reiserfs_lookup
2023/03/26 13:42 upstream da8e7da11e4b fbf0499a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in reiserfs_lookup
2023/04/10 15:22 upstream 09a9639e56c0 71147e29 .config console log report info ci-qemu-upstream-386 WARNING in reiserfs_lookup
2023/05/20 02:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci f1fcbaa18b28 96689200 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/05/05 19:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 4cec9341 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/04/28 10:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 14f8db1c0f9a 457a6e0a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/04/17 06:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1f5b16c51aef ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/04/12 14:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7920df21c1b7 1a1596b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/04/12 04:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7920df21c1b7 49faf98d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/04/11 12:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9a03cbd79d3a 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/04/09 18:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9a03cbd79d3a 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/04/08 10:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9a03cbd79d3a 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2022/08/25 14:04 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a41a877bc12d e5fb9cf5 .config console log report info ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2022/08/23 10:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 680fb5b009e8 cea8b0f7 .config console log report info ci-upstream-gce-arm64 WARNING in reiserfs_lookup
* Struck through repros no longer work on HEAD.