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: 738d, last: 1d20h
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 (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in path_openat 2 533d 583d 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 C 3 11d 13d 0/3 upstream: reported C repro on 2024/11/22 02:14
linux-6.1 WARNING in path_openat (2) 12 37d 219d 0/3 upstream: reported on 2024/04/29 18:46
linux-6.1 WARNING in path_openat 5 390d 587d 0/3 auto-obsoleted due to no activity on 2024/02/19 01:27
linux-5.15 WARNING in path_openat (2) 4 181d 213d 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
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
2023/09/21 12:54 10m retest repro upstream report log
2023/09/21 11:41 13m retest repro linux-next report log
2023/09/21 11:41 22m retest repro linux-next OK log

Sample crash report:
------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88806a866a70, owner = 0x0, curr 0xffff888022349e00, list empty
WARNING: CPU: 0 PID: 5495 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline]
WARNING: CPU: 0 PID: 5495 at kernel/locking/rwsem.c:1370 up_write+0x502/0x590 kernel/locking/rwsem.c:1632
Modules linked in:
CPU: 0 PID: 5495 Comm: syz-executor.0 Not tainted 6.9.0-rc5-syzkaller-00355-g2c8159388952 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline]
RIP: 0010:up_write+0x502/0x590 kernel/locking/rwsem.c:1632
Code: c7 c7 20 ac ca 8b 48 c7 c6 a0 ae ca 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 c3 b6 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6a fd ff ff 48 c7 c1 f0 ff a7 8f 80 e1 07 80 c1 03
RSP: 0018:ffffc90004fcf840 EFLAGS: 00010292
RAX: 9a0ee2305741e400 RBX: ffffffff8bcaad00 RCX: ffff888022349e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90004fcf910 R08: ffffffff81587f92 R09: fffffbfff1c39b48
R10: dffffc0000000000 R11: fffffbfff1c39b48 R12: 0000000000000000
R13: ffff88806a866a70 R14: 1ffff920009f9f10 R15: dffffc0000000000
FS:  00007f8025b796c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5a4bdff000 CR3: 000000007a084000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:800 [inline]
 open_last_lookups fs/namei.c:3570 [inline]
 path_openat+0x1685/0x3240 fs/namei.c:3796
 do_filp_open+0x235/0x490 fs/namei.c:3826
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1406
 do_sys_open fs/open.c:1421 [inline]
 __do_sys_openat fs/open.c:1437 [inline]
 __se_sys_openat fs/open.c:1432 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1432
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8024e7dea9
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:00007f8025b790c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8024fac050 RCX: 00007f8024e7dea9
RDX: 000000000000275a RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f8024eca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f8024fac050 R15: 00007fffda73e108
 </TASK>

Crashes (137):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
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
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
2024/06/20 00:26 upstream 2ccbdf43d5e7 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/06/15 12:37 upstream 2ccbdf43d5e7 f429ab00 .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
2024/06/03 11:01 upstream c3f38fa61af7 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2024/06/02 20:37 upstream a693b9c95abd 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2024/06/02 13:01 upstream 83814698cf48 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2024/06/01 16:41 upstream cc8ed4d0a848 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2024/05/31 11:55 upstream 4a4be1ad3a6e 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2024/05/25 17:48 upstream 56fb6f92854f a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2024/05/21 12:33 upstream 8f6a15f095a6 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2024/05/21 01:37 upstream 72ece20127a3 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2024/05/20 23:23 upstream 72ece20127a3 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_openat
2024/05/20 21:45 upstream daa121128a2d c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in path_openat
2024/05/11 13:56 upstream f4345f05c0df 9026e142 .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
2024/12/02 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
2024/06/24 04:07 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
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
2024/06/02 18:32 linux-next 0e1980c40b6e 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_openat
2024/05/12 03:49 linux-next 75fa778d74b7 9026e142 .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
2024/05/24 20:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_openat
2024/05/23 16:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 8f98448e .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.