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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000f4efc410, owner = 0x0, curr 0xffff0000d99b1bc0, list empty
WARNING: CPU: 0 PID: 5921 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 0 PID: 5921 at kernel/locking/rwsem.c:1372 up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 5921 Comm: syz.1.582 Tainted: G        W          6.1.120-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 : ffff800021687b60
x29: ffff800021687be0 x28: ffff0000de104eb0 x27: 1fffe0001e9df88f
x26: dfff800000000000 x25: 1fffe0001e9df883 x24: ffff0000f4efc468
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d99b1bc0
x20: ffff0000f4efc410 x19: ffff0000f4efc410 x18: ffff800021686f60
x17: 0000000000000000 x16: ffff800012328af4 x15: 0000000000000002
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000
x11: 000000000001ff79 x10: ffff800022a3d000 x9 : 89e48c4dc84fc200
x8 : 89e48c4dc84fc200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800021687458 x4 : ffff800015b631e0 x3 : ffff800008587354
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
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: 826
hardirqs last  enabled at (825): [<ffff80000833f254>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261
hardirqs last disabled at (826): [<ffff8000123247d4>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (726): [<ffff8000081c3418>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (726): [<ffff8000081c3418>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599
softirqs last disabled at (715): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605
---[ end trace 0000000000000000 ]---