DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000e171cac8, owner = 0x0, curr 0xffff0000de1db780, list empty WARNING: CPU: 0 PID: 4436 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline] WARNING: CPU: 0 PID: 4436 at kernel/locking/rwsem.c:1372 up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626 Modules linked in: CPU: 0 PID: 4436 Comm: syz.1.2 Not tainted 6.1.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 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 : ffff800021807b80 x29: ffff800021807c00 x28: 1ffff00004300f90 x27: 1fffe0001c2e3966 x26: dfff800000000000 x25: 1fffe0001c2e395a x24: ffff0000e171cb20 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000de1db780 x20: ffff0000e171cac8 x19: ffff0000e171cac8 x18: 1fffe0003679f176 x17: ffff8000159cd000 x16: ffff800008305998 x15: ffff0001b3cf8bbc x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 0000000000000003 x11: 0000000000ff0100 x10: 0000000000000003 x9 : b5c2ac211f5fe600 x8 : b5c2ac211f5fe600 x7 : ffff80000827d484 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000007 x1 : ffff8000123ec6e0 x0 : ffff80019e3d5000 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:3929 [inline] do_mkdirat+0x26c/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4148 [inline] __se_sys_mkdirat fs/namei.c:4146 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4146 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 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: 298 hardirqs last enabled at (297): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (297): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000 hardirqs last disabled at (298): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (290): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (290): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (273): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]---