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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000e1fc00e0, owner = 0x0, curr 0xffff0000f69bb780, list empty
WARNING: CPU: 1 PID: 5353 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 1 PID: 5353 at kernel/locking/rwsem.c:1372 up_write+0x494/0x5bc kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 1 PID: 5353 Comm: syz.3.177 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1371 [inline]
pc : up_write+0x494/0x5bc kernel/locking/rwsem.c:1626
lr : __up_write kernel/locking/rwsem.c:1371 [inline]
lr : up_write+0x494/0x5bc kernel/locking/rwsem.c:1626
sp : ffff800021067960
x29: ffff800021067970 x28: dfff800000000000 x27: ffff800021067aa0
x26: dfff800000000000 x25: 1fffe0001c3f8029 x24: ffff0000e1fc0138
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000f69bb780
x20: ffff0000e1fc00e0 x19: ffff0000e1fc00e0 x18: ffff800011b8bf60
x17: 1fffe00033eac97e x16: ffff8000082d91a4 x15: ffff80001520d000
x14: 0000000000000001 x13: 1fffe0001ad99cd0 x12: 0000000000000000
x11: 0000000000000000 x10: ffff60001ad99cd1 x9 : 078a8c28edadf100
x8 : 078a8c28edadf100 x7 : ffff80000825796c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800008246798
x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001
Call trace:
 __up_write kernel/locking/rwsem.c:1371 [inline]
 up_write+0x494/0x5bc kernel/locking/rwsem.c:1626
 inode_unlock include/linux/fs.h:763 [inline]
 vfs_setxattr+0x164/0x2ac fs/xattr.c:311
 do_setxattr fs/xattr.c:594 [inline]
 setxattr+0x258/0x2d8 fs/xattr.c:617
 path_setxattr+0x130/0x260 fs/xattr.c:636
 __do_sys_setxattr fs/xattr.c:652 [inline]
 __se_sys_setxattr fs/xattr.c:648 [inline]
 __arm64_sys_setxattr+0xbc/0xd8 fs/xattr.c:648
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 330
hardirqs last  enabled at (329): [<ffff800008257a00>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline]
hardirqs last  enabled at (329): [<ffff800008257a00>] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5004
hardirqs last disabled at (330): [<ffff800011a288ec>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (296): [<ffff8000081ac37c>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (296): [<ffff8000081ac37c>] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624
softirqs last disabled at (241): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---