================================================================== PANIC: double fault, error_code: 0x0 BUG: KASAN: stack-out-of-bounds in rcu_cblist_dequeue+0xaa/0xe0 kernel/rcu/rcu_segcblist.c:54 CPU: 1 PID: 29073 Comm: syz-executor3 Not tainted 4.18.0-rc3+ #47 Read of size 8 at addr ffff88019bb5ea00 by task swapper/0/0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:trace_event_get_offsets_lock_acquire include/trace/events/lock.h:13 [inline] RIP: 0010:perf_trace_lock_acquire+0xe6/0x9a0 include/trace/events/lock.h:13 Code: 18 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.18.0-rc3+ #47 48 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 89 85 Call Trace: 70 fe ff ff __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 48 c1 e8 03 80 3c 10 00 0f 85 print_address_description+0x6c/0x20b mm/kasan/report.c:256 8a 05 00 00 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 49 8b __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 79 18 rcu_cblist_dequeue+0xaa/0xe0 kernel/rcu/rcu_segcblist.c:54 48 85 ff 0f rcu_do_batch kernel/rcu/tree.c:2556 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2818 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2785 [inline] rcu_process_callbacks+0xf7e/0x1850 kernel/rcu/tree.c:2802 84 72 04 00 00 4c 89 8d 58 fe ff ff f5 a9 33 06 4c 8b __do_softirq+0x2e8/0xb17 kernel/softirq.c:288 8d 58 fe ff ff 41 89 c6 83 c0 01 c1 e0 10 83 RSP: 0018:ffff88019b350ff8 EFLAGS: 00010086 RAX: 1ffffffff11f24c7 RBX: 1ffff1003366a209 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffffff88f92620 RDI: ffffffff87ebd260 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x1d1/0x200 kernel/softirq.c:408 RBP: ffff88019b3511d0 R08: 0000000000000002 R09: ffffffff88f92620 R10: ffffffff815dfe10 R11: dffffc0000000000 R12: ffff88019b3511a8 exiting_irq arch/x86/include/asm/apic.h:527 [inline] smp_apic_timer_interrupt+0x186/0x730 arch/x86/kernel/apic/apic.c:1052 R13: 0000000000000002 R14: 0000000000000000 R15: ffffffff88f7b740 FS: 00007f89adc76700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88019b350fe8 CR3: 000000019fe01000 CR4: 00000000001406e0 DR0: 00000000200001c0 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: