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: 548d, last: 8h23m
Discussions (2)
Title Replies (including bot) Last reply
[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 (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in vfs_setxattr -1 12 134d 413d 0/3 auto-obsoleted due to no activity on 2025/09/09 22:45
upstream WARNING in vfs_setxattr fs -1 1 1011d 1007d 0/29 auto-obsoleted due to no activity on 2023/04/06 11:38
linux-6.1 WARNING in vfs_setxattr -1 127 26d 549d 0/3 upstream: reported on 2024/04/12 18:51
upstream WARNING in vfs_setxattr (2) fs -1 1 851d 847d 0/29 auto-obsoleted due to no activity on 2023/09/13 15:16
linux-6.6 WARNING in vfs_setxattr -1 6 3d22h 89d 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 (476):
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
2025/10/13 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
2025/10/05 11:16 upstream 6093a688a07d 49379ee0 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/03 05:41 upstream f79e772258df 49379ee0 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/03 03:33 upstream f79e772258df 49379ee0 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/02 15:36 upstream 7f7072574127 49379ee0 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/01 20:32 upstream 50c19e20ed2e 3af39644 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/01 09:12 upstream 4b81e2eb9e4d 65a0eece .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/10/01 03:53 upstream 4b81e2eb9e4d 65a0eece .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/30 16:43 upstream 30d4efb2f5a5 65a0eece .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/30 00:16 upstream 449c2b302c8e 86341da6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/29 01:29 upstream 8f9736633f8c 001c9061 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/28 08:15 upstream 51a24b7deaae 001c9061 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/27 08:31 upstream 083fc6d7fa0d 001c9061 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/24 10:19 upstream cec1e6e5d1ab 0abd0691 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/24 08:23 upstream cec1e6e5d1ab 0abd0691 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/23 22:24 upstream cec1e6e5d1ab e667a34f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/22 14:57 upstream 07e27ad16399 770ff59f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/18 14:27 upstream 8b789f2b7602 e2beed91 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/16 11:45 upstream 46a51f4f5eda e2beed91 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/16 06:41 upstream 46a51f4f5eda e2beed91 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/15 05:55 upstream 79e8447ec662 e2beed91 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/14 17:38 upstream f83a4f2a4d8c e2beed91 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/14 06:32 upstream 5cd64d4f9268 e2beed91 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/12 23:50 upstream 22f20375f5b7 e2beed91 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/10 13:26 upstream 9dd1835ecda5 fdeaa69b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/07 14:30 upstream b236920731dd d291dd2d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/07 08:48 upstream b236920731dd d291dd2d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/06 21:39 upstream d1d10cea0895 d291dd2d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/05 23:36 upstream c8ed9b5c02a5 d291dd2d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/05 18:53 upstream d69eb204c255 d291dd2d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/05 02:53 upstream 08b06c30a445 d291dd2d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/09/01 22:12 upstream b320789d6883 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in vfs_setxattr
2025/08/30 09:55 upstream fb679c832b64 807a3b61 .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
2025/09/08 01:47 linux-next be5d4872e528 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in vfs_setxattr
2025/09/05 08:06 linux-next be5d4872e528 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in vfs_setxattr
2025/09/04 07:28 linux-next 5d50cf9f7cf2 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in vfs_setxattr
2025/09/04 04:39 linux-next 5d50cf9f7cf2 d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in vfs_setxattr
2025/09/03 09:12 linux-next 5d50cf9f7cf2 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in vfs_setxattr
2025/09/03 08:09 linux-next 5d50cf9f7cf2 96a211bc .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.