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: 1 PID: 9210 at kernel/sched/core.c:2675 try_invoke_on_locked_down_task+0x219/0x380 kernel/sched/core.c:2675 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9210 Comm: syz-executor.0 Not tainted 5.7.0-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+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:105 [inline] fixup_bug arch/x86/kernel/traps.c:100 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:197 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:216 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:try_invoke_on_locked_down_task+0x219/0x380 kernel/sched/core.c:2675 Code: 00 00 85 c9 0f 85 e4 fe ff ff 80 3d 84 01 36 09 00 0f 85 d7 fe ff ff 48 c7 c7 c0 2f 2b 88 c6 05 70 01 36 09 01 e8 bf 28 f4 ff <0f> 0b e9 bd fe ff ff 48 8d 74 24 30 48 89 ef 49 c7 c6 c0 7d 03 00 RSP: 0018:ffffc90000da8c18 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 1ffff920001b5185 RCX: 0000000000000000 RDX: 0000000080010001 RSI: ffffffff815d5ba7 RDI: fffff520001b5175 RBP: ffff88803056a5c0 R08: ffff888038a88000 R09: ffffed1015ce45f2 R10: ffff8880ae722f8b R11: ffffed1015ce45f1 R12: ffffffff8160dab0 R13: ffffc90000da8d40 R14: ffff888038a88000 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:3471 [inline] rcu_sched_clock_irq.cold+0x928/0xd25 kernel/rcu/tree.c:2486 update_process_times+0x25/0x60 kernel/time/timer.c:1726 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:176 tick_sched_timer+0x4e/0x140 kernel/time/tick-sched.c:1320 __run_hrtimer kernel/time/hrtimer.c:1520 [inline] __hrtimer_run_queues+0x5ca/0xed0 kernel/time/hrtimer.c:1584 hrtimer_interrupt+0x312/0x770 kernel/time/hrtimer.c:1646 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] smp_apic_timer_interrupt+0x15b/0x600 arch/x86/kernel/apic/apic.c:1105 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:sctp_bind_addr_state+0x108/0x1d0 net/sctp/bind_addr.c:404 Code: 63 23 fa 45 84 ff 74 2e e8 15 62 23 fa 48 8b 04 24 80 38 00 0f 85 9e 00 00 00 48 8d 7b 20 4c 89 e6 41 ff 56 40 31 ff 41 89 c7 <89> c6 e8 91 63 23 fa 45 85 ff 75 3b e8 e7 61 23 fa 48 89 d8 48 c1 RSP: 0018:ffffc900096278c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff888065ce2d80 RCX: ffffc900096c9000 RDX: 0000000000040000 RSI: ffffffff8756875f RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffff888038a88000 R09: ffffed100aeaa2d8 R10: ffff8880575516bb R11: ffffed100aeaa2d7 R12: ffffc90009627960 R13: ffff88808b388098 R14: ffffffff8a755540 R15: 0000000000000000 sctp_copy_local_addr_list+0x255/0x530 net/sctp/protocol.c:161 sctp_copy_one_addr+0x5b/0x170 net/sctp/bind_addr.c:457 sctp_bind_addr_copy+0xfc/0x2ca net/sctp/bind_addr.c:56 sctp_connect_new_asoc+0x16c/0x580 net/sctp/socket.c:1095 __sctp_connect+0x430/0xc70 net/sctp/socket.c:1197 __sctp_setsockopt_connectx+0x12d/0x180 net/sctp/socket.c:1343 sctp_setsockopt_connectx net/sctp/socket.c:1375 [inline] sctp_setsockopt net/sctp/socket.c:4720 [inline] sctp_setsockopt+0x15a1/0x7090 net/sctp/socket.c:4677 __sys_setsockopt+0x248/0x480 net/socket.c:2127 __do_sys_setsockopt net/socket.c:2143 [inline] __se_sys_setsockopt net/socket.c:2140 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2140 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45ca69 Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f90d8640c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00000000005053c0 RCX: 000000000045ca69 RDX: 000000000000006e RSI: 0000000000000084 RDI: 0000000000000005 RBP: 000000000078c220 R08: 000000000000001c R09: 0000000000000000 R10: 0000000020000180 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000b07 R14: 00000000004d7938 R15: 00007f90d86416d4 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..