watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.0:18647] Modules linked in: irq event stamp: 3267875 hardirqs last enabled at (3267874): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (3267874): [] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:184 hardirqs last disabled at (3267875): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (48): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (48): [] bpf_map_alloc_id kernel/bpf/syscall.c:248 [inline] softirqs last enabled at (48): [] map_create kernel/bpf/syscall.c:555 [inline] softirqs last enabled at (48): [] __do_sys_bpf kernel/bpf/syscall.c:2408 [inline] softirqs last enabled at (48): [] __se_sys_bpf+0x2b4c/0x3a20 kernel/bpf/syscall.c:2384 softirqs last disabled at (117): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (117): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 18647 Comm: syz-executor.0 Not tainted 4.19.205-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:261 [inline] RIP: 0010:lock_timer_base+0xc4/0x1b0 kernel/time/timer.c:946 Code: 00 41 39 df 0f 84 b6 00 00 00 e8 c7 6e 0f 00 4c 89 e6 48 89 ef e8 6c fb c5 06 e8 b7 6e 0f 00 f3 90 e8 b0 6e 0f 00 48 8b 04 24 <41> 0f b6 16 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 97 00 00 00 ieee802154 phy0 wpan0: encryption failed: -22 RSP: 0018:ffff8880ba107bf0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 ieee802154 phy1 wpan1: encryption failed: -22 RAX: ffff8880a04e5ab0 RBX: 000000010000c9aa RCX: dffffc0000000000 RDX: 0000000000000100 RSI: ffffffff81532410 RDI: ffff8880a04e5a90 RBP: ffff8880a04e5a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880a04e5a90 R14: ffffed101409cb56 R15: 0000000000000000 FS: 00007f4ae7cfc700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4b45 CR3: 0000000042e05000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mod_timer kernel/time/timer.c:1022 [inline] mod_timer+0x6be/0x1010 kernel/time/timer.c:1114 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_release+0x429/0x8b0 kernel/locking/lockdep.c:3930 Code: 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 95 03 00 00 48 83 3d 5b 26 a6 08 00 0f 84 cc 01 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 49 c7 04 04 00 00 00 RSP: 0018:ffff8880179a7c40 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3059 RBX: ffff88802ca72440 RCX: 1ffff1100594e599 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000286 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 1ffff11002f34f8b R13: 0000000000000000 R14: ffff88802ca72440 R15: 0000000000000001 __mutex_unlock_slowpath+0x89/0x610 kernel/locking/mutex.c:1208 __do_sys_perf_event_open kernel/events/core.c:10938 [inline] __se_sys_perf_event_open+0x1045/0x2720 kernel/events/core.c:10549 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 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:00007f4ae7cfc188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665f9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 000000002001d000 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000056c038 R13: 00007ffd6e4c7baf R14: 00007f4ae7cfc300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 18577 Comm: syz-executor.2 Not tainted 4.19.205-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline] RIP: 0010:write_comp_data+0xf/0x70 kernel/kcov.c:122 Code: 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 c3 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df 01 00 <65> 8b 05 2a 4c 9f 7e a9 00 01 1f 00 75 4f 8b 86 60 13 00 00 83 f8 RSP: 0018:ffff888017f3f8d8 EFLAGS: 00000202 RAX: ffff88803b9da280 RBX: 1ffff11002fe7f20 RCX: ffffffff81588f4e RDX: 0000000000000001 RSI: ffff88803b9da280 RDI: 0000000000000005 RBP: ffff888017f3f9b8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000002 FS: 0000000003437400(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001bad708 CR3: 0000000045a6c000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: csd_lock_wait kernel/smp.c:108 [inline] smp_call_function_single+0x1ee/0x420 kernel/smp.c:302 smp_call_function_many+0x743/0x8d0 kernel/smp.c:434 smp_call_function kernel/smp.c:492 [inline] on_each_cpu+0x47/0x240 kernel/smp.c:602 text_poke_bp+0x123/0x1a0 arch/x86/kernel/alternative.c:836 __jump_label_transform+0x2d6/0x460 arch/x86/kernel/jump_label.c:103 arch_jump_label_transform+0x26/0x40 arch/x86/kernel/jump_label.c:111 __jump_label_update+0x1cf/0x230 kernel/jump_label.c:383 jump_label_update kernel/jump_label.c:768 [inline] jump_label_update+0x177/0x310 kernel/jump_label.c:747 __static_key_slow_dec_cpuslocked+0x23d/0x280 kernel/jump_label.c:212 __static_key_slow_dec kernel/jump_label.c:223 [inline] static_key_slow_dec+0x5b/0x90 kernel/jump_label.c:237 kvm_arch_vcpu_uninit+0x185/0x1d0 arch/x86/kvm/x86.c:9027 kvm_vcpu_uninit+0x40/0x80 arch/x86/kvm/../../../virt/kvm/kvm_main.c:358 vmx_free_vcpu+0x1df/0x320 arch/x86/kvm/vmx.c:11061 kvm_arch_vcpu_free arch/x86/kvm/x86.c:8646 [inline] kvm_free_vcpus arch/x86/kvm/x86.c:9101 [inline] kvm_arch_destroy_vm+0x2f6/0x600 arch/x86/kvm/x86.c:9203 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:810 [inline] kvm_put_kvm+0x457/0xc70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:831 kvm_vcpu_release+0x77/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2663 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x41940b Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007ffe0e3dc070 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 000000000041940b RDX: 0000000000572008 RSI: 00007f80b4783270 RDI: 0000000000000006 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2ea35548 R10: 000000000000146e R11: 0000000000000293 R12: 00000000000c1e4d R13: 00000000000003e8 R14: 000000000056bf80 R15: 00000000000c1d4b ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 41 39 df cmp %ebx,%r15d 3: 0f 84 b6 00 00 00 je 0xbf 9: e8 c7 6e 0f 00 callq 0xf6ed5 e: 4c 89 e6 mov %r12,%rsi 11: 48 89 ef mov %rbp,%rdi 14: e8 6c fb c5 06 callq 0x6c5fb85 19: e8 b7 6e 0f 00 callq 0xf6ed5 1e: f3 90 pause 20: e8 b0 6e 0f 00 callq 0xf6ed5 25: 48 8b 04 24 mov (%rsp),%rax * 29: 41 0f b6 16 movzbl (%r14),%edx <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 d0 cmp %dl,%al 35: 7c 08 jl 0x3f 37: 84 d2 test %dl,%dl 39: 0f 85 97 00 00 00 jne 0xd6