loop4: detected capacity change from 0 to 1024 EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback. watchdog: BUG: soft lockup - CPU#1 stuck for 27s! [syz-executor.1:5191] Modules linked in: irq event stamp: 5135835 hardirqs last enabled at (5135834): [] asm_sysvec_irq_work+0x1a/0x20 hardirqs last disabled at (5135835): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (4849202): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (4849205): [] __irq_exit_rcu+0xcc/0x110 CPU: 1 PID: 5191 Comm: syz-executor.1 Not tainted 6.3.0-rc3-next-20230320 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 86 6d e5 fc 48 89 ef e8 9e e9 e5 fc 80 e7 02 74 06 e8 a4 b9 0a fd fb 65 ff 0d d4 c0 bb 7b <74> 07 5b 5d e9 07 2a 00 00 0f 1f 44 00 00 5b 5d e9 fb 29 00 00 0f RSP: 0018:ffff88806cf09e20 EFLAGS: 00000202 RAX: 00000000004e5b04 RBX: 0000000000000286 RCX: ffffffff812c964f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8447cbac RBP: ffff88806cf2b8c0 R08: 0000000000000001 R09: ffffffff8777798f R10: fffffbfff0eeef31 R11: 0000000000000001 R12: ffff888042a7f260 R13: ffff88806cf2b8c0 R14: ffff88806cf2bb40 R15: dffffc0000000000 FS: 00007f2ae360f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f772c3bc000 CR3: 000000000da94000 CR4: 0000000000350ee0 Call Trace: __hrtimer_run_queues+0x4c8/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_irq_work+0x6e/0x90 asm_sysvec_irq_work+0x1a/0x20 RIP: 0010:__orc_find+0x6f/0xf0 Code: 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 48 01 RSP: 0018:ffff888042287150 EFLAGS: 00000217 RAX: 1ffffffff0bf1781 RBX: ffffffff85f8bc0c RCX: ffffffff835c08b6 RDX: 0000000000000000 RSI: ffffffff86394680 RDI: ffffffff85f8bc00 RBP: ffffffff85f8bc00 R08: ffffffff86394680 R09: ffff888042287248 R10: 0000000000038001 R11: 0000000000000001 R12: ffffffff85f8bc1c R13: ffffffff85f8bc00 R14: ffffffff85f8bc00 R15: dffffc0000000000 unwind_next_frame+0x29e/0x22d0 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc+0x172/0x390 __create_object+0x3c/0xc90 __kmem_cache_alloc_node+0x1f8/0x310 __kmalloc+0x4a/0x160 sk_prot_alloc+0x157/0x280 sk_alloc+0x38/0x7b0 __netlink_create+0x63/0x340 __netlink_kernel_create+0x114/0x810 audit_net_init+0x1b6/0x450 ops_init+0xbb/0x6b0 setup_net+0x3d9/0x990 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2aec/0x7430 kernel_clone+0xeb/0x7d0 __do_sys_clone3+0x1d5/0x2e0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f2ae6099b19 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:00007f2ae360f188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f2ae61acf60 RCX: 00007f2ae6099b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f2ae60f3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe0aed719f R14: 00007f2ae360f300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 18 53 48 sbb %dl,0x48(%rbx) 3: 89 f3 mov %esi,%ebx 5: 48 8b 74 24 10 mov 0x10(%rsp),%rsi a: e8 86 6d e5 fc callq 0xfce56d95 f: 48 89 ef mov %rbp,%rdi 12: e8 9e e9 e5 fc callq 0xfce5e9b5 17: 80 e7 02 and $0x2,%bh 1a: 74 06 je 0x22 1c: e8 a4 b9 0a fd callq 0xfd0ab9c5 21: fb sti 22: 65 ff 0d d4 c0 bb 7b decl %gs:0x7bbbc0d4(%rip) # 0x7bbbc0fd * 29: 74 07 je 0x32 <-- trapping instruction 2b: 5b pop %rbx 2c: 5d pop %rbp 2d: e9 07 2a 00 00 jmpq 0x2a39 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 5b pop %rbx 38: 5d pop %rbp 39: e9 fb 29 00 00 jmpq 0x2a39 3e: 0f .byte 0xf