------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88806bad2ff8, owner = 0x0, curr 0xffff888018f60000, list empty
WARNING: CPU: 1 PID: 13746 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline]
WARNING: CPU: 1 PID: 13746 at kernel/locking/rwsem.c:1370 up_write+0x393/0x410 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 1 PID: 13746 Comm: syz.3.2830 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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 00 bd ca 8a 48 c7 c6 40 bf ca 8a 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 d1 3c e9 ff 48 83 c4 08 <0f> 0b e9 7d fd ff ff 48 c7 c1 b0 23 8b 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000b31fb90 EFLAGS: 00010296
RAX: 33833c62c9688300 RBX: ffff88806bad2ff8 RCX: 0000000000080000
RDX: ffffc9000d97e000 RSI: 000000000001a258 RDI: 000000000001a259
RBP: dffffc0000000000 R08: ffffc9000b31f787 R09: 1ffff92001663ef0
R10: dffffc0000000000 R11: fffff52001663ef1 R12: 0000000000000000
R13: ffff88806bad3050 R14: ffff88806bad2ff8 R15: 1ffff1100d75a600
FS: 00007f986d2326c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d913ff8 CR3: 000000005d10e000 CR4: 00000000003506e0
Call Trace:
<TASK>
inode_unlock include/linux/fs.h:809 [inline]
vfs_setxattr+0x17a/0x2f0 fs/xattr.c:324
do_setxattr fs/xattr.c:630 [inline]
path_setxattr+0x3f3/0x5d0 fs/xattr.c:659
__do_sys_setxattr fs/xattr.c:677 [inline]
__se_sys_setxattr fs/xattr.c:673 [inline]
__x64_sys_setxattr+0xbb/0xd0 fs/xattr.c:673
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f986c39c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f986d232028 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f986c616090 RCX: 00007f986c39c799
RDX: 0000200000000100 RSI: 0000200000000540 RDI: 00002000000003c0
RBP: 00007f986c432c99 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000000000a6 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f986c616128 R14: 00007f986c616090 R15: 00007ffd92cbc678
</TASK>