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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000e97b3e30, owner = 0x0, curr 0xffff0000d84b9b40, list empty
WARNING: CPU: 0 PID: 5494 at kernel/locking/rwsem.c:1350 __up_write kernel/locking/rwsem.c:1349 [inline]
WARNING: CPU: 0 PID: 5494 at kernel/locking/rwsem.c:1350 up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
Modules linked in:
CPU: 0 PID: 5494 Comm: syz.0.382 Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1349 [inline]
pc : up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
lr : __up_write kernel/locking/rwsem.c:1349 [inline]
lr : up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
sp : ffff800020827bc0
x29: ffff800020827bd0 x28: ffff0000e9a74400 x27: 0000000000000000
x26: dfff800000000000 x25: 1fffe0001d2f67d3 x24: ffff0000e97b3e88
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d84b9b40
x20: ffff0000e97b3e30 x19: ffff0000e97b3e30 x18: 1fffe0003682ef8e
x17: 1fffe0003682ef8e x16: ffff800011b4c108 x15: ffff800014bffa40
x14: 1ffff0000296c06c x13: dfff800000000000 x12: 0000000000080000
x11: 00000000000216be x10: ffff800023589000 x9 : 69dda7ef3c84ef00
x8 : 69dda7ef3c84ef00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000aa0ed5c
x2 : ffff0001b4177d10 x1 : 0000000100000000 x0 : 00000000000000bd
Call trace:
 __up_write kernel/locking/rwsem.c:1349 [inline]
 up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
 inode_unlock include/linux/fs.h:794 [inline]
 done_path_create fs/namei.c:3886 [inline]
 do_mknodat+0x410/0x694 fs/namei.c:4009
 __do_sys_mknodat fs/namei.c:4022 [inline]
 __se_sys_mknodat fs/namei.c:4019 [inline]
 __arm64_sys_mknodat+0xb0/0xcc fs/namei.c:4019
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 532
hardirqs last  enabled at (531): [<ffff80000826ac68>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline]
hardirqs last  enabled at (531): [<ffff80000826ac68>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4781
hardirqs last disabled at (532): [<ffff800011b47794>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (526): [<ffff8000081b691c>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (526): [<ffff8000081b691c>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (513): [<ffff8000081b6fb4>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (513): [<ffff8000081b6fb4>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (513): [<ffff8000081b6fb4>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (513): [<ffff8000081b6fb4>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace f5f0bfd8fb2fde1b ]---