watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.7:5410] Modules linked in: irq event stamp: 4201259 hardirqs last enabled at (4201258): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4201259): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4098648): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4098651): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 5410 Comm: syz-executor.7 Not tainted 6.2.0-rc3-next-20230109 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xd99/0x2130 Code: c0 74 08 3c 03 0f 8e 92 12 00 00 41 3b 1e 0f 84 04 08 00 00 bf 01 00 00 00 e8 73 15 0f 00 b8 01 00 00 00 65 8b 15 ef c2 f0 7e <85> d2 0f 85 9e f2 ff ff 0f 1f 44 00 00 e9 94 f2 ff ff 48 8b 74 24 RSP: 0018:ffff88806cf097e8 EFLAGS: 00000213 RAX: 0000000000000001 RBX: ffff88806cf09a90 RCX: 0000000000000000 RDX: 0000000000000101 RSI: ffff88806cf09a88 RDI: 0000000000000001 RBP: ffff88806cf02000 R08: ffffffff860fc9ec R09: ffffffff860fc9f0 R10: ffffed100d9e131a R11: ffff88806cf098a8 R12: ffff88806cf098a9 R13: ffff88806cf098c8 R14: ffff88806cf09868 R15: 0000000000000001 FS: 00007f58c688b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000e038 CR3: 000000000cdf0000 CR4: 0000000000350ee0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 set_track_prepare+0x74/0xd0 __create_object+0x3b4/0xc40 __kmem_cache_alloc_node+0x1ed/0x2f0 __kmalloc_node_track_caller+0x43/0xb0 __alloc_skb+0xe9/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x13c0 ieee80211_beacon_get_tim+0x99/0x540 mac80211_hwsim_beacon_tx+0x1d2/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x913 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:preempt_schedule_common+0x76/0xc0 Code: df 65 ff 0d c4 91 c0 7b e8 37 96 3a fd 80 7d 00 00 75 4d 48 8b 03 a8 08 75 bd 5b 5d 41 5c 41 5d e9 63 87 01 00 4c 8b 6c 24 20 <4c> 89 ef e8 72 84 e9 fc 85 c0 75 1e 48 8d bb 40 13 00 00 48 89 f8 RSP: 0018:ffff88801e937ce0 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff888045523580 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888045523e70 RBP: ffffed1008aa46b0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: ffffffff8442f89b R14: 0000000000000000 R15: 0000000000000000 __cond_resched+0x1b/0x30 get_signal+0x20c/0x2390 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0xf5/0x190 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f58c92c8a04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007f58c688b060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: 0000000000000006 RBX: 00007f58c9428f60 RCX: 00007f58c92c8a04 RDX: 0000000000000002 RSI: 00007f58c688b0f0 RDI: 00000000ffffff9c RBP: 00007f58c688b0f0 R08: 0000000000000000 R09: 00007f58c688af70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffd6321311f R14: 00007f58c688b300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5444 Comm: syz-executor.5 Not tainted 6.2.0-rc3-next-20230109 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lapic_next_deadline+0x25/0x50 Code: 90 90 90 90 90 f3 0f 1e fa 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 e9 46 74 34 03 48 89 c6 31 d2 bf e0 06 00 00 e8 73 d3 RSP: 0018:ffff88806ce099a0 EFLAGS: 00000017 RAX: 000000b79bf9932c RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 00000000000000b7 RSI: ffff88806ce28140 RDI: 0000000000000484 RBP: ffff88806ce28140 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000cef R11: 0000000000000001 R12: 0000000000000484 R13: 0000000000000000 R14: 0000000000000001 R15: ffff88806ce2b8c0 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555645dc58 CR3: 000000001f1f8000 CR4: 0000000000350ef0 Call Trace: clockevents_program_event+0x248/0x360 tick_program_event+0xb0/0x150 hrtimer_interrupt+0x36a/0x770 __sysvec_apic_timer_interrupt+0x148/0x510 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:mac80211_hwsim_tx_frame_no_nl.isra.0+0x88c/0x1360 Code: ff e8 68 12 4a fe 48 8d bb a0 3d 00 00 48 89 f8 48 c1 e8 03 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 70 08 00 00 8b bb a0 3d 00 00 <48> c7 c6 60 5b c4 84 49 89 ff e8 c5 0e 4a fe 41 83 ff 01 0f 84 d6 RSP: 0018:ffff88806ce09b80 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff8880455f33a0 RCX: 0000000000000100 RDX: ffff8880443b5040 RSI: ffffffff82ff6008 RDI: 0000000000000000 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803b1b6640 R13: ffff88800fc733a0 R14: ffff88800fc73638 R15: 0000000000000000 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x913 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__tlb_remove_page_size+0x3c/0x480 Code: 89 fb e8 b7 49 d8 ff 48 8d 7b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 aa 03 00 00 48 8b 6b 18 <31> ff 48 89 ee e8 ea 45 d8 ff 48 85 ed 0f 84 e2 01 00 00 e8 7c 49 RSP: 0018:ffff8880459976c8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff888045997ad8 RCX: 0000000000000000 RDX: 1ffff11008b32f5e RSI: ffffffff817128b9 RDI: ffff888045997af0 RBP: ffffffffffffffff R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000001 R12: ffff88800f478810 R13: ffffea0000d24640 R14: 0000000000000000 R15: ffff888045997ad8 unmap_page_range+0x1ca9/0x2c90 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x6a0 mmput+0xd5/0x390 do_exit+0x99b/0x2780 do_group_exit+0xd4/0x2a0 get_signal+0x2255/0x2390 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0xf5/0x190 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f440c750b19 Code: Unable to access opcode bytes at 0x7f440c750aef. RSP: 002b:00007f4409cc6108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: fffffffffffffdff RBX: 00007f440c863f60 RCX: 00007f440c750b19 RDX: 0000000020ff9000 RSI: 0000000020000180 RDI: 000000000000293f RBP: 0000000020000180 R08: 0000000020000300 R09: 0000000020000300 R10: 0000000020000200 R11: 0000000000000202 R12: 0000000020000300 R13: 0000000020ff9000 R14: 0000000020000200 R15: 0000000020ffb000 Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: c0 74 08 3c 03 shlb $0x3,0x3c(%rax,%rcx,1) 5: 0f 8e 92 12 00 00 jle 0x129d b: 41 3b 1e cmp (%r14),%ebx e: 0f 84 04 08 00 00 je 0x818 14: bf 01 00 00 00 mov $0x1,%edi 19: e8 73 15 0f 00 callq 0xf1591 1e: b8 01 00 00 00 mov $0x1,%eax 23: 65 8b 15 ef c2 f0 7e mov %gs:0x7ef0c2ef(%rip),%edx # 0x7ef0c319 * 2a: 85 d2 test %edx,%edx <-- trapping instruction 2c: 0f 85 9e f2 ff ff jne 0xfffff2d0 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: e9 94 f2 ff ff jmpq 0xfffff2d0 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 74 24 je 0x64