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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000fc109bc0, owner = 0x0, curr 0xffff0000d1a11bc0, list empty
WARNING: CPU: 1 PID: 6840 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 1 PID: 6840 at kernel/locking/rwsem.c:1372 up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 1 PID: 6840 Comm: syz.1.753 Not tainted 6.1.119-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:1371 [inline]
pc : up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
lr : __up_write kernel/locking/rwsem.c:1371 [inline]
lr : up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
sp : ffff800022037b60
x29: ffff800022037be0 x28: ffff0000e1319a70 x27: 1fffe0001f821385
x26: dfff800000000000 x25: 1fffe0001f821379 x24: ffff0000fc109c18
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d1a11bc0
x20: ffff0000fc109bc0 x19: ffff0000fc109bc0 x18: ffff800022037120
x17: ffff800018b6a000 x16: ffff800008300db8 x15: ffff800008a72fcc
x14: ffff800008a841d0 x13: ffff8000123211dc x12: 0000000000080000
x11: 0000000000024cd7 x10: 0000000000000003 x9 : e53fa594ece5cd00
x8 : e53fa594ece5cd00 x7 : ffff80000805c2c4 x6 : ffff80000805c4d4
x5 : ffff0000f37b3698 x4 : ffff800022037540 x3 : 0000000000000000
x2 : 0000000000000007 x1 : ffff80001247c5c0 x0 : ffff80019e32f000
Call trace:
 __up_write kernel/locking/rwsem.c:1371 [inline]
 up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
 inode_unlock include/linux/fs.h:763 [inline]
 done_path_create fs/namei.c:3927 [inline]
 do_mknodat+0x43c/0x610 fs/namei.c:4050
 __do_sys_mknodat fs/namei.c:4063 [inline]
 __se_sys_mknodat fs/namei.c:4060 [inline]
 __arm64_sys_mknodat+0xb0/0xcc fs/namei.c:4060
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 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: 472
hardirqs last  enabled at (471): [<ffff800008390e2c>] call_rcu+0x614/0xa40 kernel/rcu/tree.c:2880
hardirqs last disabled at (472): [<ffff800012320d2c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (454): [<ffff8000081c1c58>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (454): [<ffff8000081c1c58>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599
softirqs last disabled at (291): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605
---[ end trace 0000000000000000 ]---