syzbot


WARNING in reiserfs_lookup

Status: upstream: reported C repro on 2022/08/25 18:25
Subsystems: reiserfs
[Documentation on labels]
Reported-by: syzbot+392ac209604cc18792e5@syzkaller.appspotmail.com
First crash: 573d, last: 62d
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
  
Fix bisection: fixed by (bisect log) :
commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@suse.cz>
Date: Wed Nov 1 17:43:10 2023 +0000

  fs: Block writes to mounted block devices

  
Discussions (10)
Title Replies (including bot) Last reply
[syzbot] WARNING in reiserfs_lookup 0 (3) 2024/03/08 21:27
[syzbot] Monthly reiserfs report (Jan 2024) 0 (1) 2024/01/04 12:37
[syzbot] Monthly reiserfs report (Dec 2023) 0 (1) 2023/12/04 12:39
[syzbot] Monthly reiserfs report (Nov 2023) 0 (1) 2023/11/03 10:22
[syzbot] Monthly reiserfs report (Aug 2023) 0 (1) 2023/08/30 09:54
[syzbot] Monthly reiserfs report (Jul 2023) 0 (1) 2023/07/30 13:16
[syzbot] Monthly reiserfs report (Jun 2023) 0 (1) 2023/06/29 08:54
[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
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in reiserfs_lookup 3 239d 280d 0/3 auto-obsoleted due to no activity on 2023/10/31 18:44
linux-6.1 WARNING in reiserfs_lookup 3 85d 144d 0/3 upstream: reported on 2023/10/27 08:04
Last patch testing requests (3)
Created Duration User Patch Repo Result
2024/01/31 22:41 23m retest repro upstream OK log
2024/01/16 16:02 27m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/11/06 23:18 16m retest repro upstream report log

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: 0 PID: 3079 at kernel/locking/mutex.c:582 __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582
Modules linked in:
CPU: 0 PID: 3079 Comm: syz-executor275 Not tainted 6.0.0-rc4-syzkaller-17255-g92221e2af10d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582
lr : __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582
sp : ffff8000127938e0
x29: ffff800012793950 x28: ffff80000ee5a000 x27: ffff0000caad0618
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000002
x23: ffff80000878cbbc x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff0000c8f03e28 x18: 00000000000000c0
x17: ffff80000dd3a698 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000012 x12: ffff80000d61f820
x11: ff808000081c1fa0 x10: 0000000000000000 x9 : 1d38989ac5d23000
x8 : 1d38989ac5d23000 x7 : 4e5241575f534b43 x6 : ffff8000081965e0
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000028
Call trace:
 __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
 reiserfs_write_lock+0x3c/0x64 fs/reiserfs/lock.c:27
 reiserfs_lookup+0xa4/0x1c4 fs/reiserfs/namei.c:364
 lookup_open fs/namei.c:3391 [inline]
 open_last_lookups fs/namei.c:3481 [inline]
 path_openat+0x738/0x11c4 fs/namei.c:3688
 do_filp_open+0xdc/0x1b8 fs/namei.c:3718
 do_sys_openat2+0xb8/0x22c 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]
 __arm64_sys_openat+0xb0/0xe0 fs/open.c:1338
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:624
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
 el0t_64_sync+0x18c/0x190
irq event stamp: 1073
hardirqs last  enabled at (1073): [<ffff80000bfd8fbc>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (1073): [<ffff80000bfd8fbc>] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194
hardirqs last disabled at (1072): [<ffff80000bfd8df8>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (1072): [<ffff80000bfd8df8>] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162
softirqs last  enabled at (982): [<ffff80000801c370>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (980): [<ffff80000801c33c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
Unable to handle kernel execute from non-executable memory at virtual address ffff80000ef5d0a8
Mem abort info:
  ESR = 0x000000008600000e
  EC = 0x21: IABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x0e: level 2 permission fault
swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001c56f6000
[ffff80000ef5d0a8] pgd=100000023ffff003, p4d=100000023ffff003, pud=100000023fffe003, pmd=00680001c7400701
Internal error: Oops: 8600000e [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 3079 Comm: syz-executor275 Tainted: G        W          6.0.0-rc4-syzkaller-17255-g92221e2af10d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : bfs_fill_super.__key+0x0/0x10
lr : get_third_component fs/reiserfs/namei.c:196 [inline]
lr : reiserfs_find_entry+0x130/0x298 fs/reiserfs/namei.c:317
sp : ffff800012793960
x29: ffff800012793990 x28: 0000000000000040 x27: ffff0000caad0618
x26: ffff0000c057e750 x25: ffff0000c70db000 x24: 0000000010000000
x23: ffff0000c057e7c0 x22: 000000000000000e x21: ffff8000127939e0
x20: ffff800012793a48 x19: ffff0000cabd87b8 x18: 00000000000000c0
x17: ffff80000dd3a698 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000002 x12: ffff80000d4b94d8
x11: ff80800008754e24 x10: 0000000000000000 x9 : ffff800008754e24
x8 : ffff80000ef5d0a8 x7 : 4e5241575f534b43 x6 : ffff80000878cbbc
x5 : 0000000000000000 x4 : ffff8000127939e0 x3 : ffff800012793a48
x2 : 000000000000000e x1 : 000000000000000e x0 : ffff0000c057e7c0
Call trace:
 bfs_fill_super.__key+0x0/0x10
 reiserfs_lookup+0xc4/0x1c4 fs/reiserfs/namei.c:368
 lookup_open fs/namei.c:3391 [inline]
 open_last_lookups fs/namei.c:3481 [inline]
 path_openat+0x738/0x11c4 fs/namei.c:3688
 do_filp_open+0xdc/0x1b8 fs/namei.c:3718
 do_sys_openat2+0xb8/0x22c 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]
 __arm64_sys_openat+0xb0/0xe0 fs/open.c:1338
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:624
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642
 el0t_64_sync+0x18c/0x190
Code: 00000000 00000000 00000000 00000000 (00000000) 
---[ end trace 0000000000000000 ]---

Crashes (1259):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
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
2024/01/01 07:23 upstream 2639772a11c8 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/12/31 04:23 upstream 453f5db0619e fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/12/29 13:12 upstream 8735c7c84d1b fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/12/28 10:07 upstream f5837722ffec fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/12/27 14:54 upstream fbafc3e621c3 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/12/25 14:13 upstream 861deac3b092 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/12/24 16:40 upstream 861deac3b092 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/12/22 08:44 upstream 9a6b294ab496 4f9530a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/12/19 02:56 upstream 2cf4f94d8e86 924661f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/12/16 15:20 upstream c8e97fc6b4c0 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/12/05 03:47 upstream bee0e7762ad2 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/11/28 12:00 upstream df60cee26a2e 9fe51b7c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/11/28 10:28 upstream df60cee26a2e 9fe51b7c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/11/24 06:36 upstream d3fa86b1a7b4 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/11/21 03:54 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/11/14 10:59 upstream 9bacdd8996c7 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/10/23 23:17 upstream 05d3ef8bba77 989a3687 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/10/21 05:15 upstream c8045b4a33a5 361b23dc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/10/16 19:10 upstream 58720809f527 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/10/08 12:59 upstream b9ddbb0cde2a 5e837c76 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in reiserfs_lookup
2023/09/30 05:17 upstream 71e58659bfc0 8e26a358 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/09/23 21:18 upstream d90b0276af8f 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in reiserfs_lookup
2023/09/20 11:18 upstream 2cf0f7156238 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/09/20 07:31 upstream 2cf0f7156238 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/09/18 08:46 upstream ce9ecca0238b 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/08/29 13:25 upstream 1c59d383390f 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/08/27 09:51 upstream 3b35375f19fe 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/08/26 17:38 upstream 7d2f353b2682 03d9c195 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in reiserfs_lookup
2023/08/25 19:25 upstream 4f9e7fabf864 03d9c195 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/08/25 01:16 upstream 93f5de5f648d 49be837e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/08/21 10:34 upstream f7757129e3de d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/08/21 05:14 upstream 706a74159504 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/08/19 22:15 upstream 12e6ccedb311 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in reiserfs_lookup
2023/08/18 23:43 upstream 8abd7287db92 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in reiserfs_lookup
2023/08/04 09:27 upstream c1a515d3c027 74621247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/08/04 03:22 upstream 7bafbd4027ae 74621247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/08/02 22:51 upstream 4b954598a47b b178af49 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/08/02 09:52 upstream 5d0c230f1de8 df07ffe8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in reiserfs_lookup
2023/07/31 08:51 upstream 5d0c230f1de8 2a0d0f29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/07/29 20:40 upstream ffabf7c73176 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in reiserfs_lookup
2023/07/28 04:33 upstream 57012c57536f 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/07/27 13:41 upstream 0a8db05b571a 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/07/26 16:14 upstream 18b44bc5a672 41fe1bae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in reiserfs_lookup
2023/07/24 01:26 upstream 6eaae1980760 27cbe77f .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
2023/07/06 07:40 upstream 6843306689af ba5dba36 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in reiserfs_lookup
2024/01/02 15:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci aafe7ad77b91 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/12/14 16:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci d5b235ec8eab 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/11/26 13:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/10/13 00:37 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 fc170927 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/09/28 07:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bf6547d8715b 2895a507 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/09/16 16:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe4469582053 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/09/10 20:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe4469582053 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/09/09 10:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe4469582053 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in reiserfs_lookup
2023/09/01 06:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe4469582053 696ea0d2 .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.