R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd1185c0cf R14: 00007f7cfa941300 R15: 0000000000022000 loop4: detected capacity change from 0 to 264192 ================================================ WARNING: lock held when returning to user space! 6.18.0-rc7-next-20251128 #1 Not tainted ------------------------------------------------ syz-executor.6/10936 is leaving the kernel with locks still held! 1 lock held by syz-executor.6/10936: #0: ffff88800ef81c88 (&sb->s_type->i_mutex_key#24/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 UID: 0 PID: 11067 Comm: syz-executor.1 Not tainted 6.18.0-rc7-next-20251128 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 should_fail_ex+0x4d7/0x5e0 should_failslab+0xc2/0x120 __kmalloc_noprof+0xd6/0x830 __register_sysctl_table+0xd4f/0x16a0 setup_ipc_sysctls+0x16d/0x2c0 copy_ipcs+0x530/0x680 create_new_namespaces+0x210/0xc00 copy_namespaces+0x45c/0x580 copy_process+0x2617/0x7230 kernel_clone+0xea/0x7c0 __do_sys_clone3+0x1f5/0x280 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7cfd3cbb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7cfa941188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f7cfd4def60 RCX: 00007f7cfd3cbb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020005880 RBP: 00007f7cfa9411d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd1185c0cf R14: 00007f7cfa941300 R15: 0000000000022000 sysctl could not get directory: /kernel -12