------------[ cut here ]------------ WARNING: CPU: 0 PID: 12973 at kernel/rcu/tree.c:1045 rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1045 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 12973 Comm: syz-executor.1 Not tainted 5.8.0-rc6-next-20200720-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:545 RIP: 0010:rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1045 Code: 00 00 00 4c 89 e7 e8 6a 49 c8 f9 eb b4 0f 0b eb 8b 0f 1f 40 00 8b 05 c6 86 cd 02 85 c0 74 0d 65 8b 05 bb 76 16 78 85 c0 74 02 <0f> 0b e9 44 ff ff ff cc cc cc cc 0f 1f 44 00 00 48 8b 05 c4 9f da RSP: 0000:ffffc90000007cc0 EFLAGS: 00010002 RAX: 0000000000000001 RBX: 0000000000000086 RCX: ffffffff817a03c7 RDX: ffff8880936382c0 RSI: ffffffff81620cd1 RDI: 0000000000000005 RBP: ffffffff8cbe4598 R08: 0000000000000000 R09: ffffffff8ab8ea4f R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000086 R13: ffffffff87ee1656 R14: 0000000000000001 R15: ffffffff89c52a40 rcu_irq_enter_irqson+0x76/0x140 kernel/rcu/tree.c:1060 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:2869 [inline] call_rcu+0x2c/0x7e0 kernel/rcu/tree.c:2957 free_zapped_rcu+0xc2/0x2f0 kernel/locking/lockdep.c:5461 rcu_do_batch kernel/rcu/tree.c:2418 [inline] rcu_core+0x5dc/0x11d0 kernel/rcu/tree.c:2645 __do_softirq+0x2df/0xa22 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:1090 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:590 RIP: 0033:0x411014 Code: Bad RIP value. RSP: 002b:00007ffc0d09c060 EFLAGS: 00000246 RAX: 00007f8976393270 RBX: 00007f897638c9e8 RCX: ffffffff8364c44a RDX: ffffffff8364c44a RSI: 00007f897639f4e0 RDI: 00007f8976392b58 RBP: 00007f8976392b50 R08: ffffffff8364c44a R09: 00000000cfbc83f9 R10: 00007ffc0d09c2d0 R11: 0000000000000246 R12: 00007f897638c9d8 R13: 000000000000001b R14: 00007f8976392b50 R15: 000000000001c236 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..