------------[ cut here ]------------ WARNING: CPU: 3 PID: 12316 at kernel/rcu/tree.c:1057 rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1057 Kernel panic - not syncing: panic_on_warn set ... CPU: 3 PID: 12316 Comm: syz-executor.0 Not tainted 5.8.0-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x20/0x45 kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:235 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1057 Code: 00 00 00 4c 89 e7 e8 0a da ca f9 eb b4 0f 0b eb 8b 0f 1f 40 00 8b 05 16 1d c7 02 85 c0 74 0d 65 8b 05 2b 6f 19 78 85 c0 74 02 <0f> 0b e9 44 ff ff ff 0f 1f 40 00 53 48 c7 c3 40 6c 03 00 e8 43 08 RSP: 0018:ffffc90000598cc0 EFLAGS: 00010002 RAX: 0000000000000001 RBX: 0000000000000082 RCX: ffffffff8179db67 RDX: ffff888061748080 RSI: ffffffff8161d8d1 RDI: 0000000000000005 RBP: ffffffff8cb24630 R08: 0000000000000000 R09: ffffffff8aaf888f R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000082 R13: ffffffff87eb31f6 R14: 0000000000000000 R15: ffffffff89bc2800 rcu_irq_enter_irqson+0x76/0x140 kernel/rcu/tree.c:1072 trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline] trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline] trace_hardirqs_off kernel/trace/trace_preemptirq.c:82 [inline] trace_hardirqs_off+0x114/0x210 kernel/trace/trace_preemptirq.c:74 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] _raw_spin_lock_irqsave+0x66/0xc0 kernel/locking/spinlock.c:159 debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:636 debug_rcu_head_queue kernel/rcu/rcu.h:176 [inline] __call_rcu kernel/rcu/tree.c:2879 [inline] call_rcu+0x2c/0x7e0 kernel/rcu/tree.c:2966 free_zapped_rcu+0xc2/0x2f0 kernel/locking/lockdep.c:5469 rcu_do_batch kernel/rcu/tree.c:2427 [inline] rcu_core+0x5c7/0x1190 kernel/rcu/tree.c:2655 __do_softirq+0x2de/0xa24 kernel/softirq.c:298 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x1f3/0x230 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:25 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:200 [inline] RIP: 0010:native_write_msr+0x6/0x20 arch/x86/include/asm/msr.h:164 Code: c3 89 ef e8 1c 08 f9 ff b8 40 00 00 00 0f 00 d8 89 ef e8 ed 08 f9 ff eb d2 e8 a6 93 b5 06 66 0f 1f 44 00 00 89 f9 89 f0 0f 30 <0f> 1f 44 00 00 c3 48 c1 e2 20 89 f6 48 09 d6 31 d2 e9 14 5b 7b 02 RSP: 0018:ffffc900018c7848 EFLAGS: 00000246 RAX: 00000000000c00fc RBX: 0000000000000008 RCX: 0000000000000830 RDX: 0000000000000000 RSI: 00000000000c00fc RDI: 0000000000000830 RBP: ffff88802d136e50 R08: 0000000000000000 R09: ffffffff8aaf8873 R10: fffffbfff155f10e R11: 0000000000000001 R12: ffffffff8aaf8888 R13: 0000000000000000 R14: 0000000000000040 R15: dffffc0000000000 paravirt_write_msr arch/x86/include/asm/paravirt.h:173 [inline] wrmsrl arch/x86/include/asm/paravirt.h:206 [inline] native_x2apic_icr_write arch/x86/include/asm/apic.h:249 [inline] __x2apic_send_IPI_shorthand arch/x86/kernel/apic/x2apic_phys.c:120 [inline] x2apic_send_IPI_allbutself+0x4c/0x70 arch/x86/kernel/apic/x2apic_phys.c:78 arch_send_call_function_ipi_mask arch/x86/include/asm/smp.h:127 [inline] smp_call_function_many_cond+0x6ac/0x990 kernel/smp.c:548 smp_call_function_many kernel/smp.c:577 [inline] smp_call_function kernel/smp.c:599 [inline] on_each_cpu+0x4a/0x240 kernel/smp.c:698 text_poke_sync arch/x86/kernel/alternative.c:998 [inline] text_poke_bp_batch+0x343/0x550 arch/x86/kernel/alternative.c:1232 text_poke_flush arch/x86/kernel/alternative.c:1332 [inline] text_poke_finish+0x16/0x21 arch/x86/kernel/alternative.c:1339 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:126 jump_label_update kernel/jump_label.c:808 [inline] jump_label_update+0x1b3/0x3a0 kernel/jump_label.c:787 static_key_slow_inc_cpuslocked+0x1b2/0x250 kernel/jump_label.c:144 static_key_slow_inc+0x16/0x20 kernel/jump_label.c:159 tracepoint_add_func+0x5c6/0x880 kernel/tracepoint.c:255 tracepoint_probe_register_prio kernel/tracepoint.c:315 [inline] tracepoint_probe_register+0x9c/0xe0 kernel/tracepoint.c:335 trace_event_reg+0x28f/0x350 kernel/trace/trace_events.c:304 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline] perf_trace_event_init+0x532/0x9a0 kernel/trace/trace_event_perf.c:204 perf_trace_init+0x176/0x240 kernel/trace/trace_event_perf.c:228 perf_tp_event_init+0xa2/0x120 kernel/events/core.c:9430 perf_try_init_event+0x12a/0x560 kernel/events/core.c:10882 perf_init_event kernel/events/core.c:10934 [inline] perf_event_alloc.part.0+0xdee/0x3770 kernel/events/core.c:11212 perf_event_alloc kernel/events/core.c:11591 [inline] __do_sys_perf_event_open+0x72c/0x2b50 kernel/events/core.c:11707 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d469 Code: 9d af fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 6b af fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb130205c88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000714980 RCX: 000000000045d469 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000440 RBP: 00000000004aa3e7 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000075cf00 R13: 00007fff75f7baff R14: 00007fb1301e6000 R15: 0000000000000003 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..