------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000dccc8788, owner = 0x0, curr 0xffff0000c67c5ac0, list empty
WARNING: CPU: 1 PID: 6636 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline]
WARNING: CPU: 1 PID: 6636 at kernel/locking/rwsem.c:1370 up_write+0x524/0x760 kernel/locking/rwsem.c:1632
Modules linked in:
CPU: 1 UID: 0 PID: 6636 Comm: syz.3.33 Not tainted 6.11.0-rc4-syzkaller-gbe6d853c7631 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1369 [inline]
pc : up_write+0x524/0x760 kernel/locking/rwsem.c:1632
lr : __up_write kernel/locking/rwsem.c:1369 [inline]
lr : up_write+0x524/0x760 kernel/locking/rwsem.c:1632
sp : ffff8000a0557a60
x29: ffff8000a0557ae0 x28: ffff0000c67c5ac0 x27: 1fffe0001b9990fe
x26: dfff800000000000 x25: 1fffe0001b9990f2 x24: ffff0000dccc87e0
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000c67c5ac0
x20: ffff0000dccc8788 x19: ffff0000dccc8788 x18: 1fffe0003679e7e6
x17: ffff80008f50d000 x16: ffff800080345244 x15: 0000000000000001
x14: 1fffe0001b0e6100 x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001b0e6101 x10: 1fffe0001b0e6100 x9 : 64dbacbe59cdae00
x8 : 64dbacbe59cdae00 x7 : ffff8000802b5e54 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000802a886c
x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001
Call trace:
 __up_write kernel/locking/rwsem.c:1369 [inline]
 up_write+0x524/0x760 kernel/locking/rwsem.c:1632
 inode_unlock include/linux/fs.h:804 [inline]
 chmod_common+0x248/0x418 fs/open.c:657
 do_fchmodat fs/open.c:702 [inline]
 __do_sys_fchmodat fs/open.c:721 [inline]
 __se_sys_fchmodat fs/open.c:718 [inline]
 __arm64_sys_fchmodat+0x114/0x1d4 fs/open.c:718
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 121410
hardirqs last  enabled at (121409): [<ffff8000802b5ef4>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1427 [inline]
hardirqs last  enabled at (121409): [<ffff8000802b5ef4>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:4942
hardirqs last disabled at (121410): [<ffff80008b2ef91c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (121402): [<ffff8000801f6fa8>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (121402): [<ffff8000801f6fa8>] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582
softirqs last disabled at (121381): [<ffff800080020de8>] __do_softirq+0x14/0x20 kernel/softirq.c:588
---[ end trace 0000000000000000 ]---