------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff00011f3b91f0, owner = 0x0, curr 0xffff0000c6f28000, list empty WARNING: CPU: 0 PID: 6028 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline] WARNING: CPU: 0 PID: 6028 at kernel/locking/rwsem.c:1372 up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626 Modules linked in: CPU: 0 PID: 6028 Comm: syz-executor.5 Not tainted 6.1.61-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 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 : ffff80001f247b60 x29: ffff80001f247be0 x28: ffff000121c645e0 x27: 1fffe00023e7724b x26: dfff800000000000 x25: 1fffe00023e7723f x24: ffff00011f3b9248 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000c6f28000 x20: ffff00011f3b91f0 x19: ffff00011f3b91f0 x18: 1fffe000368ac776 x17: ffff80001580d000 x16: ffff8000083062e0 x15: ffff0001b4563bbc x14: 1ffff00002b020b0 x13: dfff800000000000 x12: 0000000000000003 x11: ff8080000aad6948 x10: 0000000000000003 x9 : 374c74a044cfe500 x8 : 374c74a044cfe500 x7 : ffff80000827db78 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000007 x1 : ffff80001228c340 x0 : ffff80019ee02000 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:761 [inline] done_path_create fs/namei.c:3858 [inline] do_mknodat+0x43c/0x530 fs/namei.c:3981 __do_sys_mknodat fs/namei.c:3994 [inline] __se_sys_mknodat fs/namei.c:3991 [inline] __arm64_sys_mknodat+0xb0/0xcc fs/namei.c:3991 __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:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 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: 1404 hardirqs last enabled at (1403): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] hardirqs last enabled at (1403): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000 hardirqs last disabled at (1404): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1396): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (1396): [] __do_softirq+0xc14/0xea0 kernel/softirq.c:600 softirqs last disabled at (1285): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]---