syzbot


WARNING in vfs_setxattr (3)

Status: upstream: reported C repro on 2025/08/15 12:51
Subsystems: gfs2
[Documentation on labels]
Reported-by: syzbot+5ce48a14916462cec450@syzkaller.appspotmail.com
First crash: 595d, last: 3d01h
Discussions (4)
Title Replies (including bot) Last reply
[syzbot] Monthly gfs2 report (Nov 2025) 0 (1) 2025/11/17 07:50
[syzbot] Monthly gfs2 report (Oct 2025) 0 (1) 2025/10/16 08:36
[syzbot] Monthly gfs2 report (Sep 2025) 0 (1) 2025/09/15 06:54
[syzbot] [gfs2?] WARNING in vfs_setxattr (3) 0 (1) 2025/08/15 12:51
Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in vfs_setxattr -1 12 180d 460d 0/3 auto-obsoleted due to no activity on 2025/09/09 22:45
upstream WARNING in vfs_setxattr fs -1 1 1058d 1054d 0/29 auto-obsoleted due to no activity on 2023/04/06 11:38
linux-6.1 WARNING in vfs_setxattr -1 129 5d03h 595d 0/3 upstream: reported on 2024/04/12 18:51
upstream WARNING in vfs_setxattr (2) fs -1 1 898d 894d 0/29 auto-obsoleted due to no activity on 2023/09/13 15:16
linux-5.15 WARNING in vfs_setxattr (2) -1 1 39d 39d 0/3 upstream: reported on 2025/10/20 19:54
linux-6.6 WARNING in vfs_setxattr -1 6 50d 136d 0/2 upstream: reported on 2025/07/16 17:24

Sample crash report:
------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880422768f8, owner = 0x0, curr 0xffff88803304c880, list empty
WARNING: CPU: 0 PID: 5726 at kernel/locking/rwsem.c:1381 __up_write kernel/locking/rwsem.c:1380 [inline]
WARNING: CPU: 0 PID: 5726 at kernel/locking/rwsem.c:1381 up_write+0x3a2/0x420 kernel/locking/rwsem.c:1643
Modules linked in:
CPU: 0 UID: 0 PID: 5726 Comm: syz.0.47 Not tainted 6.17.0-rc1-syzkaller-00111-g24ea63ea3877 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__up_write kernel/locking/rwsem.c:1380 [inline]
RIP: 0010:up_write+0x3a2/0x420 kernel/locking/rwsem.c:1643
Code: d0 48 c7 c7 60 ec 8a 8b 48 c7 c6 80 ee 8a 8b 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 d3 56 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6d fd ff ff 48 c7 c1 74 cf a3 8f 80 e1 07 80 c1 03
RSP: 0018:ffffc9000d99fa50 EFLAGS: 00010296
RAX: 1cf7ff1b0c410100 RBX: ffff8880422768f8 RCX: ffff88803304c880
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: dffffc0000000000 R08: ffff88801fc24253 R09: 1ffff11003f8484a
R10: dffffc0000000000 R11: ffffed1003f8484b R12: 0000000000000000
R13: ffff888042276950 R14: ffff8880422768f8 R15: 1ffff1100844ed20
FS:  00007f3d8169c6c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3d8169bfc8 CR3: 0000000033237000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:879 [inline]
 vfs_setxattr+0x17a/0x2f0 fs/xattr.c:323
 do_setxattr fs/xattr.c:636 [inline]
 filename_setxattr+0x274/0x600 fs/xattr.c:665
 path_setxattrat+0x364/0x3a0 fs/xattr.c:713
 __do_sys_setxattr fs/xattr.c:747 [inline]
 __se_sys_setxattr fs/xattr.c:743 [inline]
 __x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3d8078ebe9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3d8169c038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f3d809b6090 RCX: 00007f3d8078ebe9
RDX: 0000200000000100 RSI: 0000200000000540 RDI: 00002000000003c0
RBP: 00007f3d80811e19 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000000000a6 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3d809b6128 R14: 00007f3d809b6090 R15: 00007ffdbb0ae248
 </TASK>

Crashes (514):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/08/15 12:50 upstream 24ea63ea3877 dcc075fb .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/26 16:54 upstream 4ff71af020ae 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in vfs_setxattr
2025/07/16 13:25 upstream 155a3c003e55 c118d736 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in vfs_setxattr
2024/06/21 15:43 upstream 50736169ecc8 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in vfs_setxattr
2024/06/21 14:03 upstream 50736169ecc8 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in vfs_setxattr
2025/11/26 17:15 upstream 30f09200cc4a c116feb4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/23 01:19 upstream 89edd36fd801 4fb8ef37 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/21 07:05 upstream 8e621c9a3375 280ea308 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/19 01:57 upstream 5bebe8de1926 ef766cd7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/18 21:11 upstream 5bebe8de1926 ef766cd7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/15 13:32 upstream 7a0892d2836e f7988ea4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/13 13:53 upstream e927c520e1ba 07e030de .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/12 09:59 upstream 24172e0d7990 4e1406b4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/08 22:59 upstream e811c33b1f13 4e1406b4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/07 13:29 upstream 4a0c9b339199 4e1406b4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/07 11:43 upstream 4a0c9b339199 4e1406b4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/06 23:02 upstream c2c2ccfd4ba7 4e1406b4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/05 06:05 upstream c9cfc122f037 a6c9c731 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/05 04:54 upstream c9cfc122f037 a6c9c731 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/03 07:30 upstream 6146a0f1dfae 2c50b6a9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/01 18:29 upstream ba36dd5ee6fd 2c50b6a9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/11/01 03:13 upstream 58fdd8484c05 2c50b6a9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/30 18:02 upstream e53642b87a4f 2c50b6a9 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/30 09:36 upstream e53642b87a4f fd2207e7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/29 20:14 upstream e53642b87a4f fd2207e7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/29 16:21 upstream e53642b87a4f fd2207e7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/29 03:54 upstream 8eefed8f65cc fd2207e7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/28 08:35 upstream fd57572253bc fd2207e7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/27 14:27 upstream dcb6fa37fd7b fd2207e7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/25 21:23 upstream 566771afc7a8 c0460fcd .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/24 03:40 upstream ab431bc39741 c0460fcd .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/23 04:58 upstream dd72c8fcf6d3 c0460fcd .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/22 12:36 upstream 552c50713f27 252fbbad .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/22 10:06 upstream 552c50713f27 252fbbad .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/20 19:34 upstream 211ddde0823f d422939c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/20 04:39 upstream d9043c79ba68 1c8c8cd8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/18 20:59 upstream f406055cb18c 1c8c8cd8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/18 19:41 upstream f406055cb18c 1c8c8cd8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/18 15:19 upstream f406055cb18c 1c8c8cd8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/18 15:07 upstream f406055cb18c 1c8c8cd8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/18 04:33 upstream 6f3b6e91f720 1c8c8cd8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/17 02:00 upstream 634ec1fc7982 19568248 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/14 16:02 upstream 3a8660878839 b6605ba8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/13 16:51 upstream 3a8660878839 b6605ba8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/13 08:14 upstream 3a8660878839 ff1712fe .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/11 02:33 upstream 917167ed1211 ff1712fe .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/08 18:13 upstream 0d97f2067c16 7e2882b3 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/07 03:00 upstream ba9dac987319 8ef35d49 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/06 11:13 upstream fd94619c4336 91305dbe .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/05 16:52 upstream 6093a688a07d 49379ee0 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2024/06/21 01:30 upstream 50736169ecc8 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in vfs_setxattr
2025/09/08 11:30 linux-next 3e8e5822146b d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in vfs_setxattr
2024/09/04 21:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci df54f4a16f82 9d47f20a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in vfs_setxattr
2024/04/15 17:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in vfs_setxattr
2024/04/13 05:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5d2afe8745b c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in vfs_setxattr
* Struck through repros no longer work on HEAD.