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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000ec45bd58, owner = 0x0, curr 0xffff0000dcc1b780, list empty
WARNING: CPU: 0 PID: 7457 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 0 PID: 7457 at kernel/locking/rwsem.c:1372 up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 7457 Comm: syz.6.528 Not tainted 6.1.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 : ffff800022f57b80
x29: ffff800022f57c00 x28: 1ffff000045eaf90 x27: 1fffe0001d88b7b8
x26: dfff800000000000 x25: 1fffe0001d88b7ac x24: ffff0000ec45bdb0
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000dcc1b780
x20: ffff0000ec45bd58 x19: ffff0000ec45bd58 x18: 1fffe00036798576
x17: ffff800015afd000 x16: ffff800008302888 x15: ffff0001b3cc2bbc
x14: 1ffff00002b600b2 x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000ff0100 x10: 0000000000000003 x9 : b4aa5d55f0bd1100
x8 : b4aa5d55f0bd1100 x7 : ffff800008279464 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000007 x1 : ffff80001248d5c0 x0 : ffff80019e26e000
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_mkdirat+0x26c/0x510 fs/namei.c:4134
 __do_sys_mkdirat fs/namei.c:4146 [inline]
 __se_sys_mkdirat fs/namei.c:4144 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4144
 __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: 372
hardirqs last  enabled at (371): [<ffff800008279504>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline]
hardirqs last  enabled at (371): [<ffff800008279504>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5003
hardirqs last disabled at (372): [<ffff80001232684c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (354): [<ffff8000081c40ac>] softirq_handle_end kernel/softirq.c:421 [inline]
softirqs last  enabled at (354): [<ffff8000081c40ac>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:606
softirqs last disabled at (325): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:612
---[ end trace 0000000000000000 ]---