DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000ded271d0, owner = 0x0, curr 0xffff0000d6170000, list empty WARNING: CPU: 1 PID: 5426 at kernel/locking/rwsem.c:1350 __up_write kernel/locking/rwsem.c:1349 [inline] WARNING: CPU: 1 PID: 5426 at kernel/locking/rwsem.c:1350 up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604 Modules linked in: CPU: 1 PID: 5426 Comm: syz-executor.3 Not tainted 5.15.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __up_write kernel/locking/rwsem.c:1349 [inline] pc : up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604 lr : __up_write kernel/locking/rwsem.c:1349 [inline] lr : up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604 sp : ffff80001ce47bc0 x29: ffff80001ce47bd0 x28: ffff0000d4c5e600 x27: 0000000000000000 x26: dfff800000000000 x25: 1fffe0001bda4e47 x24: ffff0000ded27228 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d6170000 x20: ffff0000ded271d0 x19: ffff0000ded271d0 x18: 1fffe0003690198e x17: 1fffe0003690198e x16: ffff800011998e34 x15: ffff8000149dec00 x14: 1ffff0000292806a x13: dfff800000000000 x12: 0000000000040000 x11: 000000000001e38c x10: ffff80001e5a9000 x9 : 53868d31c7ecb000 x8 : 53868d31c7ecb000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a978b80 x2 : ffff0001b480cd10 x1 : 0000000100000000 x0 : 00000000000000bd Call trace: __up_write kernel/locking/rwsem.c:1349 [inline] up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604 inode_unlock include/linux/fs.h:794 [inline] done_path_create fs/namei.c:3886 [inline] do_mknodat+0x410/0x694 fs/namei.c:4009 __do_sys_mknodat fs/namei.c:4022 [inline] __se_sys_mknodat fs/namei.c:4019 [inline] __arm64_sys_mknodat+0xb0/0xcc fs/namei.c:4019 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 262 hardirqs last enabled at (261): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (261): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4784 hardirqs last disabled at (262): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (8): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (6): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 066184ba8ad4c339 ]---