------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000d8b736a0, owner = 0x0, curr 0xffff0000d84f8000, list empty WARNING: CPU: 1 PID: 6860 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline] WARNING: CPU: 1 PID: 6860 at kernel/locking/rwsem.c:1372 up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626 Modules linked in: CPU: 1 PID: 6860 Comm: syz.4.518 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __up_write kernel/locking/rwsem.c:1371 [inline] pc : up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626 lr : __up_write kernel/locking/rwsem.c:1371 [inline] lr : up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626 sp : ffff800021aa7c20 x29: ffff800021aa7c30 x28: ffff0000d84f8000 x27: ffff800021aa7c80 x26: dfff800000000000 x25: 1fffe0001b16e6e1 x24: ffff0000d8b736f8 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d84f8000 x20: ffff0000d8b736a0 x19: ffff0000d8b736a0 x18: ffff800011a5bd40 x17: 0000000000000000 x16: ffff8000082d3a08 x15: 0000000000000002 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000 x11: 0000000000022265 x10: ffff80002a7a2000 x9 : b0e17a69f6645200 x8 : b0e17a69f6645200 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021aa76b8 x4 : ffff800015134e00 x3 : ffff80000852f9b8 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: __up_write kernel/locking/rwsem.c:1371 [inline] up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626 inode_unlock include/linux/fs.h:763 [inline] done_path_create fs/namei.c:3935 [inline] do_mkdirat+0x1e8/0x3e0 fs/namei.c:4142 __do_sys_mkdirat fs/namei.c:4154 [inline] __se_sys_mkdirat fs/namei.c:4152 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4152 __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+0x58/0x138 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: 2940 hardirqs last enabled at (2939): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (2940): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (2924): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (2924): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (2809): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---