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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888059eaaff8, owner = 0x0, curr 0xffff88802a310000, list empty
WARNING: CPU: 0 PID: 6402 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline]
WARNING: CPU: 0 PID: 6402 at kernel/locking/rwsem.c:1370 up_write+0x393/0x410 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 6402 Comm: syz.1.164 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline]
RIP: 0010:up_write+0x393/0x410 kernel/locking/rwsem.c:1626
Code: 44 d0 48 c7 c7 c0 ad aa 8a 48 c7 c6 00 b0 aa 8a 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 21 98 e9 ff 48 83 c4 08 <0f> 0b e9 7d fd ff ff 48 c7 c1 e0 c3 4a 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900034efc60 EFLAGS: 00010296
RAX: 4243a73dc9798400 RBX: ffff888059eaaff8 RCX: 0000000000080000
RDX: ffffc9000e53f000 RSI: 000000000000a4b4 RDI: 000000000000a4b5
RBP: dffffc0000000000 R08: ffffc900034ef867 R09: 1ffff9200069df0c
R10: dffffc0000000000 R11: fffff5200069df0d R12: 0000000000000000
R13: ffff888059eab050 R14: ffff888059eaaff8 R15: 1ffff1100b3d5600
FS: 00007fe9eaf196c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e922ff8 CR3: 000000002f6dc000 CR4: 00000000003506f0
Call Trace:
<TASK>
inode_unlock include/linux/fs.h:809 [inline]
vfs_removexattr+0x8c/0x1b0 fs/xattr.c:578
removexattr fs/xattr.c:908 [inline]
path_removexattr+0x204/0x3f0 fs/xattr.c:929
__do_sys_removexattr fs/xattr.c:943 [inline]
__se_sys_removexattr fs/xattr.c:940 [inline]
__x64_sys_removexattr+0x60/0x70 fs/xattr.c:940
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe9ea18ebe9
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:00007fe9eaf19038 EFLAGS: 00000246 ORIG_RAX: 00000000000000c5
RAX: ffffffffffffffda RBX: 00007fe9ea3b6090 RCX: 00007fe9ea18ebe9
RDX: 0000000000000000 RSI: 00002000000007c0 RDI: 0000200000000040
RBP: 00007fe9ea211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe9ea3b6128 R14: 00007fe9ea3b6090 R15: 00007fff5d93eb58
</TASK>