------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000e177afe8, owner = 0x0, curr 0xffff0000d4581bc0, list empty WARNING: CPU: 0 PID: 5791 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline] WARNING: CPU: 0 PID: 5791 at kernel/locking/rwsem.c:1372 up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626 Modules linked in: CPU: 0 PID: 5791 Comm: syz.5.345 Not tainted 6.1.126-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 : ffff800021897b60 x29: ffff800021897be0 x28: ffff0000cf4ca758 x27: 1fffe0001c2ef60a x26: dfff800000000000 x25: 1fffe0001c2ef5fe x24: ffff0000e177b040 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d4581bc0 x20: ffff0000e177afe8 x19: ffff0000e177afe8 x18: 1fffe0003679bf76 x17: ffff800015a8d000 x16: ffff800008301594 x15: ffff0001b3cdfbbc x14: 1ffff00002b520b2 x13: dfff800000000000 x12: 0000000000000003 x11: 0000000000ff0100 x10: 0000000000000003 x9 : a2eab800b2e0de00 x8 : a2eab800b2e0de00 x7 : ffff800008278b14 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000007 x1 : ffff80001248c5a0 x0 : ffff80019e2fc000 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: 858 hardirqs last enabled at (857): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (857): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000 hardirqs last disabled at (858): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (850): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (850): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (845): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]---