| TITLE: INFO: rcu detected stall in netlink_sendmsg |
| |
| [ 480.173025] INFO: rcu_sched self-detected stall on CPU |
| [ 480.178536] 1-....: (104999 ticks this GP) idle=002/1/4611686018427387906 softirq=125049/125058 fqs=26224 |
| [ 480.188655] (t=105000 jiffies g=69343 c=69342 q=1302) |
| [ 480.194010] NMI backtrace for cpu 1 |
| [ 480.197631] CPU: 1 PID: 29490 Comm: syz-executor5 Not tainted 4.18.0-rc7+ #170 |
| [ 480.204969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 480.214301] Call Trace: |
| [ 480.216863] <IRQ> |
| [ 480.219013] dump_stack+0x1c9/0x2b4 |
| [ 480.231770] nmi_cpu_backtrace.cold.4+0x19/0xce |
| [ 480.241597] nmi_trigger_cpumask_backtrace+0x151/0x192 |
| [ 480.246859] arch_trigger_cpumask_backtrace+0x14/0x20 |
| [ 480.252036] rcu_dump_cpu_stacks+0x175/0x1c2 |
| [ 480.261519] check_cpu_stall.isra.60.cold.78+0x36c/0x5a6 |
| [ 480.326256] rcu_check_callbacks+0x23f/0xcd0 |
| [ 480.398507] update_process_times+0x2d/0x70 |
| [ 480.402812] tick_sched_handle+0x9f/0x180 |
| [ 480.406950] tick_sched_timer+0x45/0x130 |
| [ 480.410995] __hrtimer_run_queues+0x3eb/0x10c0 |
| [ 480.459331] hrtimer_interrupt+0x2f3/0x750 |
| [ 480.463559] smp_apic_timer_interrupt+0x165/0x730 |
| [ 480.490977] apic_timer_interrupt+0xf/0x20 |
| [ 480.495190] </IRQ> |
| [ 480.497429] RIP: 0010:lock_acquire+0x25f/0x540 |
| [ 480.521174] RSP: 0018:ffff8801999a67c0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 |
| [ 480.528871] RAX: dffffc0000000000 RBX: 1ffff10033334cfd RCX: 0000000000000000 |
| [ 480.536121] RDX: 1ffffffff0fe3615 RSI: 0000000000000000 RDI: 0000000000000286 |
| [ 480.543371] RBP: ffff8801999a68b0 R08: 0000000000000008 R09: 0000000000000002 |
| [ 480.550624] R10: ffff880192d5c908 R11: 632564d1cb2a3fed R12: ffff880192d5c080 |
| [ 480.557874] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000 |
| [ 480.585903] tipc_sk_lookup+0x131/0xfa0 |
| [ 480.642175] tipc_nl_publ_dump+0x243/0xfa2 |
| [ 480.687542] __tipc_nl_compat_dumpit.isra.11+0x20b/0xad0 |
| [ 480.717699] tipc_nl_compat_sk_dump+0x87c/0xca0 |
| [ 480.769074] __tipc_nl_compat_dumpit.isra.11+0x337/0xad0 |
| [ 480.788328] tipc_nl_compat_dumpit+0x1f4/0x440 |
| [ 480.798089] tipc_nl_compat_recv+0x12b3/0x19a0 |
| [ 480.825649] genl_family_rcv_msg+0x8a3/0x1140 |
| [ 480.855652] genl_rcv_msg+0xc6/0x168 |
| [ 480.859351] netlink_rcv_skb+0x172/0x440 |
| [ 480.876417] genl_rcv+0x28/0x40 |
| [ 480.879678] netlink_unicast+0x5a0/0x760 |
| [ 480.898642] netlink_sendmsg+0xa18/0xfd0 |
| [ 480.921151] sock_sendmsg+0xd5/0x120 |
| [ 480.924856] ___sys_sendmsg+0x7fd/0x930 |
| [ 480.963667] __sys_sendmsg+0x11d/0x290 |
| [ 480.984618] __x64_sys_sendmsg+0x78/0xb0 |
| [ 480.988662] do_syscall_64+0x1b9/0x820 |
| [ 481.012549] entry_SYSCALL_64_after_hwframe+0x49/0xbe |
| [ 481.017720] RIP: 0033:0x456a09 |
| [ 481.040077] RSP: 002b:00007f8665b39c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e |
| [ 481.047767] RAX: ffffffffffffffda RBX: 00007f8665b3a6d4 RCX: 0000000000456a09 |
| [ 481.055026] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000022 |
| [ 481.062281] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 |
| [ 481.076996] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff |
| [ 481.084255] R13: 00000000004d3058 R14: 00000000004c7d3e R15: 0000000000000000 |
