DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888071945bb0, owner = 0x0, curr 0xffff88802b38d940, list empty
WARNING: CPU: 1 PID: 9631 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 1 PID: 9631 at kernel/locking/rwsem.c:1372 up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 1 PID: 9631 Comm: syz.5.1819 Not tainted 6.1.124-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__up_write kernel/locking/rwsem.c:1371 [inline]
RIP: 0010:up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626
Code: 48 c7 c7 e0 f6 0b 8b 48 c7 c6 20 f9 0b 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 ff c2 e8 ff 48 83 c4 08 <0f> 0b e9 71 fd ff ff 48 c7 c1 78 40 9b 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900047efb20 EFLAGS: 00010292
RAX: fdd06c2ef6080600 RBX: ffffffff8b0bf7c0 RCX: 0000000000080000
RDX: ffffc9001b20d000 RSI: 00000000000096c7 RDI: 00000000000096c8
RBP: ffffc900047efbf0 R08: ffffffff8152b84e R09: fffffbfff2249c7a
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888071945bb0 R14: 1ffff920008fdf6c R15: dffffc0000000000
FS: 00007f85962d56c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555579b1e5c8 CR3: 00000000278f8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
inode_unlock include/linux/fs.h:763 [inline]
vfs_removexattr+0x10a/0x2a0 fs/xattr.c:538
removexattr fs/xattr.c:878 [inline]
path_removexattr+0x22a/0x320 fs/xattr.c:892
__do_sys_removexattr fs/xattr.c:906 [inline]
__se_sys_removexattr fs/xattr.c:903 [inline]
__x64_sys_removexattr+0x5c/0x70 fs/xattr.c:903
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8595585d29
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:00007f85962d5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000c5
RAX: ffffffffffffffda RBX: 00007f8595776080 RCX: 00007f8595585d29
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000020000380
RBP: 00007f8595601b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f8595776080 R15: 00007ffe003ec0b8
</TASK>