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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000e15180e0, owner = 0x0, curr 0xffff0000d5b60000, list empty
WARNING: CPU: 0 PID: 4500 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 0 PID: 4500 at kernel/locking/rwsem.c:1372 up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 4500 Comm: syz.1.2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1371 [inline]
pc : up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626
lr : __up_write kernel/locking/rwsem.c:1371 [inline]
lr : up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626
sp : ffff800021ec7c20
x29: ffff800021ec7c30 x28: ffff0000d5b60000 x27: ffff800021ec7c80
x26: dfff800000000000 x25: 1fffe0001c2a3029 x24: ffff0000e1518138
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d5b60000
x20: ffff0000e15180e0 x19: ffff0000e15180e0 x18: ffff800011a5bd40
x17: 0000000000000000 x16: ffff8000082d3a08 x15: 0000000000000002
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000
x11: 0000000000015885 x10: ffff800023549000 x9 : e9a0203883c97f00
x8 : e9a0203883c97f00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800021ec76b8 x4 : ffff800015134e00 x3 : ffff80000852f9b8
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 __up_write kernel/locking/rwsem.c:1371 [inline]
 up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626
 inode_unlock include/linux/fs.h:763 [inline]
 done_path_create fs/namei.c:3935 [inline]
 do_mkdirat+0x1e8/0x3e0 fs/namei.c:4142
 __do_sys_mkdirat fs/namei.c:4154 [inline]
 __se_sys_mkdirat fs/namei.c:4152 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4152
 __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+0x58/0x138 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: 258
hardirqs last  enabled at (257): [<ffff800008309b4c>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261
hardirqs last disabled at (258): [<ffff8000118fa220>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (172): [<ffff80000a19e5f8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (170): [<ffff80000a19e5c4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---