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rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): ------------[ cut here ]------------ IRQs not enabled as expected WARNING: CPU: 0 PID: 31353 at kernel/sched/core.c:2698 try_invoke_on_locked_down_task+0x18b/0x320 kernel/sched/core.c:2698 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 31353 Comm: syz-executor.5 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1f0/0x31e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:231 __warn+0x227/0x250 kernel/panic.c:600 report_bug+0x1b1/0x2e0 lib/bug.c:198 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:235 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563 RIP: 0010:try_invoke_on_locked_down_task+0x18b/0x320 kernel/sched/core.c:2698 Code: 48 89 df e8 a7 35 09 00 4c 89 f7 e8 3f 63 ce 06 e9 b5 00 00 00 c6 05 92 7d 18 08 01 48 c7 c7 fc a9 e7 88 31 c0 e8 65 a8 f5 ff <0f> 0b e9 15 ff ff ff 48 c7 c1 70 5d 6d 89 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc90000007c50 EFLAGS: 00010046 RAX: 974a1e7869711800 RBX: ffff8881ca42eb08 RCX: ffff8881ca42e280 RDX: 0000000080010001 RSI: 0000000080010001 RDI: 0000000000000000 RBP: ffff8881ca42eb4c R08: ffffffff815dc419 R09: ffffed1015d041c3 R10: ffffed1015d041c3 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8881ca42e280 R14: ffff8881ca42e600 R15: dffffc0000000000 rcu_print_task_stall kernel/rcu/tree_stall.h:269 [inline] print_other_cpu_stall kernel/rcu/tree_stall.h:477 [inline] check_cpu_stall kernel/rcu/tree_stall.h:636 [inline] rcu_pending kernel/rcu/tree.c:3489 [inline] rcu_sched_clock_irq+0x12ec/0x1eb0 kernel/rcu/tree.c:2504 update_process_times+0x12c/0x180 kernel/time/timer.c:1726 tick_sched_handle kernel/time/tick-sched.c:176 [inline] tick_sched_timer+0x254/0x410 kernel/time/tick-sched.c:1320 __run_hrtimer kernel/time/hrtimer.c:1520 [inline] __hrtimer_run_queues+0x42d/0x930 kernel/time/hrtimer.c:1584 hrtimer_interrupt+0x373/0xd60 kernel/time/hrtimer.c:1646 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0xf0/0x260 arch/x86/kernel/apic/apic.c:1097 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 </IRQ> __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] sysvec_apic_timer_interrupt+0xb9/0x130 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596 RIP: 0010:ipv6_addr_equal include/net/ipv6.h:579 [inline] RIP: 0010:__sctp_v6_cmp_addr+0xe0/0x510 net/sctp/ipv6.c:591 Code: 4c 8b 23 48 8b 04 24 48 8d 68 10 48 89 e8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 ef e8 a9 dd 19 fa 48 8b 6d 00 48 8b 44 24 08 <48> 8d 58 10 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 RSP: 0018:ffffc9001a257a18 EFLAGS: 00000246 RAX: ffffc9001a257ae8 RBX: ffffc9001a257af0 RCX: 0000000000040000 RDX: ffff8881ca42e280 RSI: 000000000000000a RDI: 000000000000000a RBP: 121414ac00000000 R08: ffffffff87999ce1 R09: ffffffff87328cc4 R10: 0000000000000002 R11: ffff8881ca42e280 R12: 00000000000080fe R13: ffff88804b906b28 R14: dffffc0000000000 R15: 00000000000080fe sctp_v6_cmp_addr+0x1c/0xc0 net/sctp/ipv6.c:609 sctp_bind_addr_state+0xd6/0x1b0 net/sctp/bind_addr.c:404 sctp_copy_local_addr_list+0x228/0x3e0 net/sctp/protocol.c:162 sctp_bind_addr_copy+0xad/0x3b0 net/sctp/bind_addr.c:56 sctp_connect_new_asoc+0x277/0x600 net/sctp/socket.c:1095 __sctp_connect+0x54d/0x11e0 net/sctp/socket.c:1197 __sctp_setsockopt_connectx net/sctp/socket.c:1343 [inline] sctp_getsockopt_connectx3 net/sctp/socket.c:1428 [inline] sctp_getsockopt+0x9040/0x10ba0 net/sctp/socket.c:8099 __sys_getsockopt+0x255/0x2c0 net/socket.c:2172 __do_sys_getsockopt net/socket.c:2187 [inline] __se_sys_getsockopt net/socket.c:2184 [inline] __x64_sys_getsockopt+0xb1/0xc0 net/socket.c:2184 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cb29 Code: Bad RIP value. RSP: 002b:00007f2224146c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004e02a0 RCX: 000000000045cb29 RDX: 000000000000006f RSI: 0000000000000084 RDI: 0000000000000005 RBP: 000000000078bfa0 R08: 0000000020000180 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000001b0 R14: 00000000004d2ec8 R15: 00007f22241476d4 Kernel Offset: disabled Rebooting in 86400 seconds..
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/07/08 19:27 | upstream | 7cc2a8ea1048 | 51095195 | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2020/05/26 22:44 | net-next-old | d52caf0404e6 | 9072c126 | .config | console log | report | ci-upstream-net-kasan-gce |