watchdog: BUG: soft lockup - CPU#1 stuck for 24s! [syz-executor.5:4763] Modules linked in: irq event stamp: 8995777 hardirqs last enabled at (8995776): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 hardirqs last disabled at (8995777): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (8950820): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (8950823): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 4763 Comm: syz-executor.5 Not tainted 5.19.0-next-20220810 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:unwind_next_frame+0x1c5/0x20b0 Code: 8d 43 ff 39 c6 0f 83 18 15 00 00 48 b8 00 00 00 00 00 fc ff df 89 f2 48 8d 3c 95 2c 6c 24 86 48 89 f9 48 c1 e9 03 0f b6 0c 01 <48> 89 f8 83 e0 07 83 c0 03 38 c8 7c 27 84 c9 74 23 48 89 54 24 28 RSP: 0018:ffff88806cf097b0 EFLAGS: 00000217 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000007806 RSI: 0000000000007806 RDI: ffffffff86264c44 RBP: ffff88806cf09888 R08: ffffffff852c3e00 R09: ffffffff85ec3bbe R10: ffff88806cf09ff8 R11: 000000000003603c R12: ffff88806cf09871 R13: ffff88806cf09890 R14: ffff88806cf09830 R15: ffffffff817806b8 FS: 00007f7210f93700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e32a000 CR3: 0000000009c6c000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x83/0xf0 stack_trace_save+0x8c/0xc0 kasan_save_stack+0x1e/0x40 __kasan_record_aux_stack+0x97/0xb0 call_rcu+0x6a/0xa30 kfree+0xbb/0x5e0 skb_release_data+0x6d8/0x810 consume_skb+0xc2/0x160 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x562/0xaa0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0x101/0x200 __hrtimer_run_queues+0x5de/0xbd0 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c8/0x8d0 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:lock_is_held_type+0xf8/0x130 Code: c0 d8 86 84 e8 a9 0c 00 00 b8 ff ff ff ff 65 0f c1 05 94 60 e4 7b 83 f8 01 75 26 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 46 23 42 00 45 31 ed eb RSP: 0018:ffff888046e8eec8 EFLAGS: 00000282 RAX: 0000000000000001 RBX: 0000000000000002 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffff854053a0 R08: 0000000000000000 R09: ffffffff85aee0d7 R10: fffffbfff0b5dc1a R11: 0000000000000001 R12: ffff888018635100 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff888018635ac8 rcu_read_lock_sched_held+0x3e/0x80 lock_release+0x547/0x750 __is_insn_slot_addr+0x144/0x250 kernel_text_address+0x57/0xb0 __kernel_text_address+0x9/0x40 unwind_get_return_address+0x55/0xa0 arch_stack_walk+0x99/0xf0 stack_trace_save+0x8c/0xc0 kasan_save_stack+0x1e/0x40 __kasan_slab_alloc+0x66/0x80 kmem_cache_alloc+0x1b1/0x4a0 __create_object.isra.0+0x3d/0xc10 kmem_cache_alloc_node+0x259/0x4b0 __alloc_skb+0x210/0x300 rtmsg_fib+0x120/0x500 fib_table_insert+0xb16/0x1be0 fib_magic.isra.0+0x29d/0x2f0 fib_add_ifaddr+0x636/0x750 fib_netdev_event+0x36d/0x6a0 raw_notifier_call_chain+0xb3/0x110 call_netdevice_notifiers_info+0xb5/0x130 __dev_notify_flags+0x110/0x2c0 dev_change_flags+0x112/0x170 devinet_ioctl+0x14b5/0x1d80 inet_ioctl+0x341/0x390 sock_do_ioctl+0xd2/0x240 sock_ioctl+0x420/0x670 __x64_sys_ioctl+0x19a/0x210 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7213a3eb19 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:00007f7210f93188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7213b52020 RCX: 00007f7213a3eb19 RDX: 0000000020000000 RSI: 0000000000008914 RDI: 0000000000000003 RBP: 00007f7213a98f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeab748c8f R14: 00007f7210f93300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10 ---------------- Code disassembly (best guess): 0: 8d 43 ff lea -0x1(%rbx),%eax 3: 39 c6 cmp %eax,%esi 5: 0f 83 18 15 00 00 jae 0x1523 b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 12: fc ff df 15: 89 f2 mov %esi,%edx 17: 48 8d 3c 95 2c 6c 24 lea -0x79db93d4(,%rdx,4),%rdi 1e: 86 1f: 48 89 f9 mov %rdi,%rcx 22: 48 c1 e9 03 shr $0x3,%rcx 26: 0f b6 0c 01 movzbl (%rcx,%rax,1),%ecx * 2a: 48 89 f8 mov %rdi,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 c8 cmp %cl,%al 35: 7c 27 jl 0x5e 37: 84 c9 test %cl,%cl 39: 74 23 je 0x5e 3b: 48 89 54 24 28 mov %rdx,0x28(%rsp)