device lo left promiscuous mode device lo entered promiscuous mode watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.2:5078] Modules linked in: irq event stamp: 5215527 hardirqs last enabled at (5215526): [] asm_sysvec_apic_timer_interrupt+0x1b/0x20 hardirqs last disabled at (5215527): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (5043298): [] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (5043301): [] __irq_exit_rcu+0x113/0x170 CPU: 0 PID: 5078 Comm: syz-executor.2 Not tainted 5.19.0-rc5-next-20220708 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:lock_acquire+0x1db/0x530 Code: 02 b8 ff ff ff ff 65 0f c1 05 f9 61 d9 7e 83 f8 01 0f 85 c4 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff88806ce09508 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff1100d9c12a3 RCX: 00000000184c7f81 RDX: 1ffff1100317d486 RSI: 0000000000000102 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff86a5e7c7 R10: fffffbfff0d4bcf8 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff852049e0 R15: 0000000000000000 FS: 00007fd76466c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056380813afe0 CR3: 000000001a15e000 CR4: 0000000000350ef0 Call Trace: __is_insn_slot_addr+0x3d/0x250 kernel_text_address+0x40/0xb0 __kernel_text_address+0x9/0x30 unwind_get_return_address+0x51/0x90 arch_stack_walk+0x99/0xf0 stack_trace_save+0x8c/0xc0 kasan_save_stack+0x1e/0x40 __kasan_slab_alloc+0x66/0x80 kmem_cache_alloc+0x1b1/0x490 __create_object.isra.0+0x3d/0xc10 __kmalloc_node_track_caller+0x278/0x470 __alloc_skb+0xdd/0x340 skb_copy+0x139/0x3c0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1440 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x53b/0xa10 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0xfd/0x200 __hrtimer_run_queues+0x5de/0xbc0 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c8/0x8cc __irq_exit_rcu+0x113/0x170 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x1b/0x20 RIP: 0010:__orc_find+0x97/0xf0 Code: 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 48 48 63 03 48 01 d8 48 39 c1 73 b0 4c 8d 63 fc 49 39 ec 73 b3 4d 29 ee <49> c1 fe 02 4b 8d 04 76 48 8d 04 46 48 83 c4 10 5b 5d 41 5c 41 5d RSP: 0018:ffff8880460d71a0 EFLAGS: 00000246 RAX: ffffffff83922344 RBX: ffffffff85b74ff4 RCX: ffffffff83922c46 RDX: 0000000000000000 RSI: ffffffff85f7a0c4 RDI: ffffffff85b74ff4 RBP: ffffffff85b74ff8 R08: ffffffff85f7a0c4 R09: ffffffff85f7a0aa R10: ffffed1008c1ae5a R11: 000000000003403b R12: ffffffff85b74ff4 R13: ffffffff85b74ff4 R14: 0000000000000000 R15: dffffc0000000000 unwind_next_frame+0x2b0/0x20a0 arch_stack_walk+0x83/0xf0 stack_trace_save+0x8c/0xc0 __create_object.isra.0+0x389/0xc10 __kmalloc_node_track_caller+0x278/0x470 __alloc_skb+0xdd/0x340 inet6_netconf_notify_devconf+0x84/0x1b0 __addrconf_sysctl_register+0x269/0x3d0 addrconf_sysctl_register+0x139/0x1d0 ipv6_add_dev+0x9c7/0x1280 addrconf_notify+0xb1e/0x2360 raw_notifier_call_chain+0xb3/0x110 call_netdevice_notifiers_info+0xb5/0x130 register_netdevice+0x107f/0x1510 register_netdev+0x2d/0x50 sit_init_net+0x350/0xa00 ops_init+0xb2/0x480 setup_net+0x40c/0x9d0 copy_net_ns+0x318/0x760 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x391/0x480 copy_process+0x2c61/0x6d60 kernel_clone+0xe7/0xa60 __do_sys_clone3+0x1cd/0x2d0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fd7670f6b19 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:00007fd76466c188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fd767209f60 RCX: 00007fd7670f6b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fd767150f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd40ccd0f R14: 00007fd76466c300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc5-next-20220708 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:lapic_next_deadline+0x21/0x40 Code: 00 00 00 00 00 0f 1f 40 00 0f ae f0 0f ae e8 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <66> 90 31 c0 c3 48 89 c6 31 d2 bf e0 06 00 00 e8 8b c8 06 01 31 c0 RSP: 0018:ffff88806cf09820 EFLAGS: 00000016 RAX: 000001396b76dedc RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 0000000000000139 RSI: ffff88806cf27140 RDI: 000000000005463d RBP: ffff88806cf27140 R08: 0000000000000007 R09: 0000000000000000 R10: 00000000000f1913 R11: 0000000000000001 R12: 000000000005463d R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806cf2a640 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563808998648 CR3: 000000000d9b0000 CR4: 0000000000350ee0 Call Trace: clockevents_program_event+0x240/0x350 tick_program_event+0xac/0x140 hrtimer_interrupt+0x366/0x770 __sysvec_apic_timer_interrupt+0x144/0x4f0 sysvec_apic_timer_interrupt+0x3b/0xc0 asm_sysvec_apic_timer_interrupt+0x1b/0x20 RIP: 0010:queued_spin_lock_slowpath+0x120/0xc70 Code: 8b 84 24 80 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 c9 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 f3 90 75 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff88806cf09a08 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81297807 RDX: fffffbfff0ac7379 RSI: 0000000000000004 RDI: ffffffff85639bc0 RBP: ffffffff85639bc0 R08: 0000000000000000 R09: ffffffff85639bc3 R10: fffffbfff0ac7378 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0ac7378 R14: 0000000000000001 R15: 1ffff1100d9e1342 do_raw_spin_lock+0x1d8/0x260 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1440 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x53b/0xa10 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0xfd/0x200 __hrtimer_run_queues+0x5de/0xbc0 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c8/0x8cc __irq_exit_rcu+0x113/0x170 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x1b/0x20 RIP: 0010:default_idle+0xb/0x10 Code: c4 fe ff 4c 89 e2 48 89 ef 31 f6 5d 41 5c e9 ac 98 20 fe cc cc cc cc cc cc cc cc cc cc cc cc eb 07 0f 00 2d 37 6a 47 00 fb f4 0f 1f 40 00 41 54 be 08 00 00 00 53 65 48 8b 1c 25 c0 6e 02 00 RSP: 0018:ffff888008287e58 EFLAGS: 00000202 RAX: ffffffff841b0c00 RBX: ffff888008255040 RCX: ffffffff84192f62 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000001 R09: ffff88806cf33b53 R10: ffffed100d9e676a R11: 0000000000000001 R12: ffffed100104aa08 R13: ffffffff858ea7d0 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0x80/0xc0 do_idle+0x3b9/0x530 cpu_startup_entry+0x14/0x20 start_secondary+0x1c8/0x220 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess): 0: 02 b8 ff ff ff ff add -0x1(%rax),%bh 6: 65 0f c1 05 f9 61 d9 xadd %eax,%gs:0x7ed961f9(%rip) # 0x7ed96207 d: 7e e: 83 f8 01 cmp $0x1,%eax 11: 0f 85 c4 02 00 00 jne 0x2db 17: 48 83 7c 24 08 00 cmpq $0x0,0x8(%rsp) 1d: 74 01 je 0x20 1f: fb sti 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 48 01 c3 add %rax,%rbx <-- trapping instruction 2d: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 34: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx) 3b: 00 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 84 .byte 0x84 3f: 24 .byte 0x24