------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000ef8d1508, owner = 0x0, curr 0xffff0000d9645340, list empty WARNING: CPU: 1 PID: 4309 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline] WARNING: CPU: 1 PID: 4309 at kernel/locking/rwsem.c:1372 up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626 Modules linked in: CPU: 1 PID: 4309 Comm: syz.3.4 Not tainted 6.1.97-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 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 : ffff80001e7c7b80 x29: ffff80001e7c7c00 x28: 1ffff00003cf8f90 x27: 1fffe0001df1a2ae x26: dfff800000000000 x25: 1fffe0001df1a2a2 x24: ffff0000ef8d1560 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d9645340 x20: ffff0000ef8d1508 x19: ffff0000ef8d1508 x18: 1fffe0003686f176 x17: ffff80001585d000 x16: ffff800008306370 x15: ffff0001b4378bbc x14: 1ffff00002b0c0b0 x13: dfff800000000000 x12: 0000000000000001 x11: 1fffe0001926de50 x10: 0000000000000000 x9 : 64ce34c77fbad900 x8 : 64ce34c77fbad900 x7 : ffff80000827ceec x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000826ac38 x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001 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: 147776 hardirqs last enabled at (147775): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] hardirqs last enabled at (147775): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5004 hardirqs last disabled at (147776): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (147768): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (147768): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (147755): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]---