watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:17187] Modules linked in: irq event stamp: 6102141 hardirqs last enabled at (6102140): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (6102141): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (6067742): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (6067745): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 17187 Comm: syz-executor.1 Not tainted 6.5.0-rc1-next-20230714 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__is_insn_slot_addr+0x7b/0x290 Code: 58 85 ed 0f 85 fd 00 00 00 e8 b1 83 ff ff 4c 8d b3 a8 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 80 3c 02 00 <0f> 85 fa 01 00 00 48 8b 9b a8 00 00 00 4c 39 f3 74 78 49 bd 00 00 RSP: 0018:ffff88806ce09a28 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffffff85653b00 RCX: 0000000000000100 RDX: 1ffffffff0aca775 RSI: ffffffff814cf48f RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 00007f0b82e18b19 R13: 0000000000000000 R14: ffffffff85653ba8 R15: ffff88800a3b4540 FS: 00007f0b8038e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcb7be5ec8 CR3: 0000000048794000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: kernel_text_address+0x48/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2b/0x50 __kasan_slab_free+0x10a/0x190 kmem_cache_free+0x10d/0x4d0 rcu_core+0x8c8/0x28b0 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x107/0x1b0 Code: 39 45 28 75 5e 48 c7 45 28 00 00 00 00 48 c7 c6 02 14 81 81 48 89 ef e8 07 af ac ff 48 85 db 74 06 e8 4d a4 d2 ff fb 4d 85 f6 <74> 1e 5b 4c 89 f6 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 12 fa ff RSP: 0018:ffff888009887480 EFLAGS: 00000246 RAX: 000000000055e07d RBX: 0000000000000200 RCX: ffffffff812d209f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81811423 RBP: ffff88806ce3de60 R08: 0000000000000001 R09: fffffbfff0efa765 R10: ffffffff877d3b2f R11: 0000000000000001 R12: ffff88800844f780 R13: ffffea000107e740 R14: 0000000000000000 R15: 0000000000000006 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x199/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc+0x17b/0x390 __create_object+0x3c/0xc90 kmem_cache_alloc+0x21f/0x390 security_inode_alloc+0x38/0x160 inode_init_always+0xbb2/0xea0 alloc_inode+0x84/0x240 new_inode_pseudo+0x17/0x80 sock_alloc+0x40/0x270 sock_create_lite+0x83/0x120 __netlink_kernel_create+0xe2/0x810 uevent_net_init+0xf9/0x330 ops_init+0xbb/0x6b0 setup_net+0x3d9/0x990 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2b78/0x7320 kernel_clone+0xeb/0x7d0 __do_sys_clone3+0x1d5/0x250 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f0b82e18b19 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:00007f0b8038e188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f0b82f2bf60 RCX: 00007f0b82e18b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f0b82e72f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe1869a87f R14: 00007f0b8038e300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 hpet: Lost 5 RTC interrupts ---------------- Code disassembly (best guess): 0: 58 pop %rax 1: 85 ed test %ebp,%ebp 3: 0f 85 fd 00 00 00 jne 0x106 9: e8 b1 83 ff ff callq 0xffff83bf e: 4c 8d b3 a8 00 00 00 lea 0xa8(%rbx),%r14 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 4c 89 f2 mov %r14,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 0f 85 fa 01 00 00 jne 0x22a <-- trapping instruction 30: 48 8b 9b a8 00 00 00 mov 0xa8(%rbx),%rbx 37: 4c 39 f3 cmp %r14,%rbx 3a: 74 78 je 0xb4 3c: 49 rex.WB 3d: bd .byte 0xbd