syzbot


WARNING in path_openat

Status: upstream: reported C repro on 2022/12/02 03:18
Subsystems: fs
[Documentation on labels]
Reported-by: syzbot+be8872fcb764bf9fea73@syzkaller.appspotmail.com
First crash: 961d, last: 21d
Cause bisection: failed (error log, bisect log)
  
Fix bisection: fixed by (bisect log) :
commit 00e4feb8c0476bbde3c8bf4a593e0f82ca9a4df6
Author: Yazen Ghannam <yazen.ghannam@amd.com>
Date: Fri Jan 27 17:04:03 2023 +0000

  EDAC/amd64: Rename debug_display_dimm_sizes()

  
Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly fs report (Feb 2024) 0 (1) 2024/02/12 21:31
[syzbot] Monthly fs report (Nov 2023) 0 (1) 2023/11/11 01:08
[syzbot] Monthly fs report (Oct 2023) 0 (1) 2023/10/10 13:22
[syzbot] WARNING in path_openat 1 (5) 2023/07/27 06:47
Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in path_openat -1 2 757d 807d 0/3 auto-obsoleted due to no activity on 2023/09/28 05:21
linux-5.15 WARNING in path_openat (3) origin:lts-only -1 C error 4 20d 236d 0/3 upstream: reported C repro on 2024/11/22 02:14
linux-6.1 WARNING in path_openat (2) -1 12 261d 442d 0/3 auto-obsoleted due to no activity on 2025/02/05 09:53
linux-6.1 WARNING in path_openat (3) -1 1 86d 86d 0/3 upstream: reported on 2025/04/21 00:00
linux-6.1 WARNING in path_openat -1 5 613d 811d 0/3 auto-obsoleted due to no activity on 2024/02/19 01:27
linux-5.15 WARNING in path_openat (2) -1 4 405d 436d 0/3 auto-obsoleted due to no activity on 2024/09/14 06:15
Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/07/11 04:16 1h20m retest repro upstream OK log
2025/04/01 02:53 20m retest repro upstream report log
2024/12/27 22:25 13m retest repro upstream report log
2024/10/15 01:34 0m retest repro upstream error
2024/02/19 23:19 19m retest repro upstream OK log
2024/02/19 23:19 20m retest repro upstream OK log
2023/11/30 13:50 12m retest repro upstream report log
2023/11/30 12:31 23m retest repro linux-next OK log
2023/11/09 08:12 21m retest repro upstream report log
2023/11/09 08:12 20m retest repro upstream OK log

Sample crash report:
------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880785fbd58, owner = 0x0, curr 0xffff88807dc60000, list empty
WARNING: CPU: 1 PID: 5328 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline]
WARNING: CPU: 1 PID: 5328 at kernel/locking/rwsem.c:1370 up_write+0x4f4/0x580 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 1 PID: 5328 Comm: syz-executor110 Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline]
RIP: 0010:up_write+0x4f4/0x580 kernel/locking/rwsem.c:1626
Code: 48 c7 c7 a0 9a 0a 8b 48 c7 c6 e0 9c 0a 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 b0 12 e8 ff 48 83 c4 08 <0f> 0b e9 75 fd ff ff 48 c7 c1 08 65 9a 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90004baf880 EFLAGS: 00010292
RAX: 7c0ffd1807d4b400 RBX: ffffffff8b0a9b80 RCX: ffff88807dc60000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90004baf950 R08: ffffffff81541672 R09: 1ffff92000975e7c
R10: dffffc0000000000 R11: fffff52000975e7d R12: 0000000000000000
R13: ffff8880785fbd58 R14: 1ffff92000975f18 R15: dffffc0000000000
FS:  00007f9c99c4c6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9ca106e000 CR3: 0000000020f30000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:807 [inline]
 open_last_lookups fs/namei.c:3567 [inline]
 path_openat+0x163a/0x3180 fs/namei.c:3793
 do_filp_open+0x234/0x490 fs/namei.c:3823
 

Crashes (159):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/06 11:02 upstream 65d6e954e378 0b6286dc .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in path_openat
2023/01/26 23:55 upstream 7c46948a6e9c 9dfcf09c .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in path_openat
2023/09/04 00:36 linux-next a47fc304d2b6 696ea0d2 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in path_openat
2023/05/25 07:54 linux-next 715abedee4cd 4bce1a3e .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root WARNING in path_openat
2023/01/11 07:15 upstream 40c18f363a08 48bc529a .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in path_openat
2023/01/18 18:42 upstream c1649ec55708 42660d9e .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2025/06/14 02:13 upstream 02adc1490e6d 0e8da31f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_openat
2025/03/10 14:01 upstream 80e54e84911a 16256247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_openat
2025/03/06 13:37 upstream 848e07631744 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_openat
2025/03/04 06:03 upstream 99fa936e8e4f c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_openat
2025/02/21 04:22 upstream e9a8cac0bf89 0808a665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2025/02/18 03:37 upstream 2408a807bfc3 9be4ace3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_openat
2025/02/15 13:57 upstream 7ff71e6d9239 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_openat
2025/02/09 02:11 upstream 595ab66f1bec ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_openat
2025/02/08 18:29 upstream 8f6629c004b1 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_openat
2025/01/02 21:03 upstream 0bc21e701a6f d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/12/03 08:07 upstream cdd30ebb1b9f 578925bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/09/18 05:37 upstream 2f27fce67173 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_openat
2024/09/04 07:13 upstream 88fac17500f4 9d47f20a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/09/03 21:40 upstream 88fac17500f4 326f9c5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/09/02 19:43 upstream 67784a74e258 abeaa9b9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_openat
2024/09/02 14:52 upstream 67784a74e258 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/09/01 19:45 upstream 431c1646e1f8 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/09/01 04:06 upstream e8784b0aef62 1eda0d14 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/08/29 18:26 upstream d5d547aa7b51 9bd464fc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/08/28 10:57 upstream 86987d84b968 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/08/16 11:52 upstream d7a5aa4b3c00 e4bacdaf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_openat
2024/08/09 03:22 upstream cf6d429eb656 61405512 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/08/06 03:03 upstream b446a2dae984 e1bdb00a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/08/05 20:52 upstream de9c2c66ad8e e35c337f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/08/04 12:52 upstream defaf1a2113a 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/08/01 07:23 upstream 21b136cc63d2 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/07/25 18:41 upstream c33ffdb70cc6 466a14e5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/07/24 18:03 upstream 786c8248dbd3 d1a1b0ca .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/07/24 05:54 upstream 786c8248dbd3 57b2edb1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/07/22 13:21 upstream 933069701c1b df655b64 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/07/16 09:12 upstream d67978318827 e8709b21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/07/15 17:44 upstream 5e0497553643 c605e6a2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/07/10 03:02 upstream 34afb82a3c67 bc144f9a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/07/09 13:59 upstream 4376e966ecb7 79d68ada .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/07/06 16:03 upstream 1dd28064d416 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/07/02 15:44 upstream 1dfe225e9af5 07f0a0a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/07/01 23:27 upstream 22a40d14b572 b294e901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/06/07 19:46 upstream 8a92980606e3 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2024/05/08 19:02 upstream 6d7ddd805123 4cf3f9b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_openat
2024/04/28 20:55 upstream 2c8159388952 07b455f9 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in path_openat
2025/06/25 12:05 upstream 7595b66ae9de 26d77996 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2025/06/10 17:29 upstream f09079bd04a9 5d7e17ca .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2025/04/21 11:52 upstream 9d7a0577c9db 2a20f901 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2025/04/02 07:17 upstream 91e5bfe317d8 c799dfdd .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2025/03/17 11:49 upstream 4701f33a1070 948c34e4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2025/02/22 14:38 upstream ff202c5028a1 d34966d1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2025/01/27 02:55 upstream c2da8b3f914f 9fbd772e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2025/01/15 08:07 upstream c3812b15000c 7315a7cf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2025/01/07 10:07 upstream fbfd64d25c7a f3558dbf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2025/01/01 00:39 upstream ccb98ccef0e5 d3ccff63 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2024/12/02 12:29 upstream e70140ba0d2b b499ea68 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2024/10/24 12:10 upstream c2ee9f594da8 c08e46d6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_openat
2024/06/24 12:37 upstream f2661062f16b c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_openat
2023/02/14 20:53 upstream f6feea56f66d de9aae38 .config console log report info ci-qemu-upstream WARNING in path_openat
2022/11/28 03:08 upstream cf562a45a0d5 f4470a7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2025/02/24 04:09 linux-next e5d3fd687aac d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_openat
2025/01/02 07:39 linux-next 8155b4ef3466 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_openat
2024/11/01 17:43 linux-next c88416ba074a f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_openat
2024/10/16 00:10 linux-next b852e1e7a038 bde2d81c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_openat
2024/09/30 19:43 linux-next cea5425829f7 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_openat
2024/06/01 13:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_openat
* Struck through repros no longer work on HEAD.