| TITLE: INFO: rcu detected stall in __xfrm_decode_session |
| |
| [ 323.830017] INFO: rcu_sched detected stalls on CPUs/tasks: |
| [ 323.835676] (detected by 0, t=125007 jiffies, g=66299, c=66298, q=40) |
| [ 323.842315] All QSes seen, last rcu_sched kthread activity 125014 (4294991138-4294866124), jiffies_till_next_fqs=3, root ->qsmask 0x0 |
| [ 323.854420] syz-executor5 R running task 22056 22277 3688 0x00000008 |
| [ 323.861597] Call Trace: |
| [ 323.864155] <IRQ> |
| [ 323.866280] sched_show_task+0x4a3/0x5e0 |
| [ 323.870319] ? can_nice.part.83+0x20/0x20 |
| [ 323.874437] ? vprintk_func+0x5e/0xc0 |
| [ 323.878207] ? printk+0xaa/0xca |
| [ 323.881459] ? show_regs_print_info+0x18/0x18 |
| [ 323.885931] ? show_regs_print_info+0x18/0x18 |
| [ 323.890409] print_other_cpu_stall+0x996/0x1090 |
| [ 323.895047] ? print_irqtrace_events+0x270/0x270 |
| [ 323.899771] ? print_irqtrace_events+0x270/0x270 |
| [ 323.904510] ? rcu_stall_kick_kthreads.part.48+0x770/0x770 |
| [ 323.910106] ? check_noncircular+0x20/0x20 |
| [ 323.914309] ? print_irqtrace_events+0x270/0x270 |
| [ 323.919041] ? print_irqtrace_events+0x270/0x270 |
| [ 323.923766] ? __lock_acquire+0x664/0x3e00 |
| [ 323.927980] ? check_noncircular+0x20/0x20 |
| [ 323.932190] ? debug_check_no_locks_freed+0x3c0/0x3c0 |
| [ 323.937352] ? __lock_acquire+0x664/0x3e00 |
| [ 323.941558] ? rcu_read_lock_sched_held+0x108/0x120 |
| [ 323.946544] ? update_cfs_rq_load_avg.part.69+0x23d/0x2d0 |
| [ 323.952048] ? attach_entity_load_avg+0x7a0/0x7a0 |
| [ 323.956870] check_cpu_stall.isra.61+0x6e6/0x15b0 |
| [ 323.961682] ? __lock_acquire+0x664/0x3e00 |
| [ 323.965892] ? rcu_lockdep_current_cpu_online+0x190/0x190 |
| [ 323.971398] ? debug_check_no_locks_freed+0x3c0/0x3c0 |
| [ 323.976563] ? __lock_acquire+0x664/0x3e00 |
| [ 323.980767] ? __lock_acquire+0x664/0x3e00 |
| [ 323.984984] ? check_noncircular+0x20/0x20 |
| [ 323.989196] ? debug_check_no_locks_freed+0x3c0/0x3c0 |
| [ 323.994352] ? debug_check_no_locks_freed+0x3c0/0x3c0 |
| [ 323.999518] ? lock_downgrade+0x980/0x980 |
| [ 324.003646] ? trace_hardirqs_off+0xd/0x10 |
| [ 324.007852] ? check_noncircular+0x20/0x20 |
| [ 324.012063] ? check_noncircular+0x20/0x20 |
| [ 324.016277] ? cpuacct_account_field+0x1e4/0x3b0 |
| [ 324.021015] ? check_noncircular+0x20/0x20 |
| [ 324.025220] ? find_held_lock+0x35/0x1d0 |
| [ 324.029251] ? __acct_update_integrals+0x339/0x4d0 |
| [ 324.034154] ? __lock_is_held+0xb6/0x140 |
| [ 324.038202] rcu_check_callbacks+0x256/0xd00 |
| [ 324.042585] ? rcu_cpu_stall_reset+0x260/0x260 |
| [ 324.047139] ? trace_hardirqs_off+0xd/0x10 |
| [ 324.051344] ? raise_softirq+0x325/0x490 |
| [ 324.055381] ? raise_softirq_irqoff+0x320/0x320 |
| [ 324.060042] ? run_local_timers+0x18d/0x200 |
| [ 324.064331] ? timer_clear_idle+0x50/0x50 |
| [ 324.068446] ? account_process_tick+0xd4/0x3e0 |
| [ 324.072999] ? thread_group_cputime+0xef0/0xef0 |
| [ 324.077641] ? ktime_get_resolution_ns+0x300/0x300 |
| [ 324.082553] update_process_times+0x30/0x60 |
| [ 324.086846] tick_sched_handle+0x85/0x160 |
| [ 324.090968] tick_sched_timer+0x42/0x120 |
| [ 324.094999] __hrtimer_run_queues+0x358/0xe20 |
| [ 324.099472] ? tick_sched_do_timer+0xe0/0xe0 |
| [ 324.103855] ? hrtimer_fixup_init+0x70/0x70 |
| [ 324.108155] ? pvclock_read_flags+0x160/0x160 |
| [ 324.112624] ? lock_acquire+0x1d5/0x580 |
| [ 324.116570] ? kvm_clock_get_cycles+0x25/0x30 |
| [ 324.121034] ? ktime_get_update_offsets_now+0x34a/0x520 |
| [ 324.126371] ? do_timer+0x50/0x50 |
| [ 324.129800] ? do_raw_spin_trylock+0x190/0x190 |
| [ 324.134365] hrtimer_interrupt+0x1c2/0x5e0 |
| [ 324.172031] ? apic_timer_interrupt+0xa9/0xb0 |
| [ 324.138588] smp_apic_timer_interrupt+0x14a/0x700 |
| [ 324.143401] ? smp_call_function_single_interrupt+0x640/0x640 |
| [ 324.149252] ? smp_call_function_single_interrupt+0x640/0x640 |
| [ 324.155108] ? _raw_spin_unlock+0x22/0x30 |
| [ 324.159231] ? mark_held_locks+0xaf/0x100 |
| [ 324.163349] ? retint_kernel+0x10/0x10 |
| [ 324.167210] ? trace_hardirqs_off_thunk+0x1a/0x1c |
| [ 324.172031] apic_timer_interrupt+0xa9/0xb0 |
| [ 324.176323] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 |
| [ 324.181650] RSP: 0018:ffff8801db206738 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff11 |
| [ 324.189325] RAX: ffffed003a2965e3 RBX: ffff8801d14b2e40 RCX: ffffffff84c25899 |
| [ 324.196564] RDX: 0000000000000100 RSI: ffff8801c5f47f29 RDI: 00000000000079c8 |
| [ 324.203803] RBP: ffff8801db2067c8 R08: ffffed0038bea003 R09: ffffed0038bea003 |
| [ 324.211046] R10: 000000000000000b R11: ffffed0038bea002 R12: ffff8801c5f40580 |
| [ 324.218304] R13: ffff8801db206aa0 R14: 00000000000079d0 R15: dffffc0000000000 |
| [ 324.225565] ? _decode_session6+0x519/0x1380 |
| [ 324.229954] ? _decode_session6+0x761/0x1380 |
| [ 324.234345] __xfrm_decode_session+0x68/0x110 |
| [ 324.238814] __xfrm_policy_check+0x18c/0x2350 |
| [ 324.243279] ? save_stack+0xa3/0xd0 |
| [ 324.246876] ? save_stack+0x43/0xd0 |
| [ 324.250469] ? kasan_kmalloc+0xad/0xe0 |
| [ 324.254322] ? kasan_slab_alloc+0x12/0x20 |
| [ 324.258435] ? kmem_cache_alloc+0x12e/0x760 |
| [ 324.262723] ? raw6_local_deliver+0x737/0xa80 |
| [ 324.267185] ? ip6_input_finish+0x3c7/0x17a0 |
| [ 324.271564] ? ipv6_rcv+0xf37/0x1fa0 |
| [ 324.275249] ? __netif_receive_skb_core+0x1a41/0x3460 |
| [ 324.280418] ? __xfrm_route_forward+0x670/0x670 |
| [ 324.285054] ? ip6_finish_output2+0xba0/0x23a0 |
| [ 324.289605] ? ip6_finish_output+0x6bb/0xaf0 |
| [ 324.293980] ? ip6_output+0x1eb/0x840 |
| [ 324.297748] ? ip6_local_out+0x95/0x160 |
| [ 324.301692] ? check_noncircular+0x20/0x20 |
| [ 324.305895] ? inet_sendmsg+0x11f/0x5e0 |
| [ 324.309836] ? sock_sendmsg+0xca/0x110 |
| [ 324.313694] ? SYSC_sendto+0x361/0x5c0 |
| [ 324.317547] ? SyS_sendto+0x40/0x50 |
| [ 324.321142] ? entry_SYSCALL_64_fastpath+0x23/0x9a |
| [ 324.326041] ? SyS_sendto+0x40/0x50 |
| [ 324.329636] ? entry_SYSCALL_64_fastpath+0x23/0x9a |
| [ 324.334536] ? free_obj_work+0x690/0x690 |
| [ 324.338567] ? debug_object_free+0x5a0/0x5a0 |
| [ 324.342948] ? memcpy+0x45/0x50 |
| [ 324.346199] ? __copy_skb_header+0x31f/0x540 |
| [ 324.350576] ? skb_may_tx_timestamp.part.62+0xc0/0xc0 |
| [ 324.355736] ? __lock_is_held+0xb6/0x140 |
| [ 324.359775] ? __skb_clone+0x2ac/0xa70 |
| [ 324.363656] rawv6_rcv+0x8f6/0x1200 |
| [ 324.367262] ? raw6_icmp_error+0x740/0x740 |
| [ 324.371463] ? __raw_v6_lookup+0x29f/0x390 |
| [ 324.375676] raw6_local_deliver+0x819/0xa80 |
| [ 324.379977] ? rawv6_rcv+0x1200/0x1200 |
| [ 324.383833] ? ip6_rcv_finish+0x7a0/0x7a0 |
| [ 324.387950] ? debug_check_no_locks_freed+0x3c0/0x3c0 |
| [ 324.393106] ? lock_downgrade+0x980/0x980 |
| [ 324.397227] ? lock_release+0xa40/0xa40 |
| [ 324.401174] ? __lock_is_held+0xb6/0x140 |
| [ 324.405216] ip6_input_finish+0x3c7/0x17a0 |
| [ 324.409418] ? ip6_input+0x3b4/0x560 |
| [ 324.413102] ? lock_downgrade+0x980/0x980 |
| [ 324.417231] ? ip6_rcv_finish+0x7a0/0x7a0 |
| [ 324.421351] ? nf_hook_slow+0xd3/0x1a0 |
| [ 324.425219] ip6_input+0xe9/0x560 |
| [ 324.428645] ? ip6_input_finish+0x17a0/0x17a0 |
| [ 324.433114] ? find_held_lock+0x35/0x1d0 |
| [ 324.437149] ? ip6_rcv_finish+0x7a0/0x7a0 |
| [ 324.441267] ? ipv6_rcv+0x16cd/0x1fa0 |
| [ 324.445039] ip6_rcv_finish+0x1a9/0x7a0 |
| [ 324.448985] ? ip6_make_skb+0x580/0x580 |
| [ 324.452931] ? __lock_is_held+0xb6/0x140 |
| [ 324.456967] ? nf_hook_slow+0xd3/0x1a0 |
| [ 324.460829] ipv6_rcv+0xf37/0x1fa0 |
| [ 324.464348] ? ip6_input+0x560/0x560 |
| [ 324.468032] ? print_irqtrace_events+0x270/0x270 |
| [ 324.472762] ? rb_insert_color+0x1580/0x1580 |
| [ 324.477144] ? check_noncircular+0x20/0x20 |
| [ 324.481344] ? debug_check_no_locks_freed+0x3c0/0x3c0 |
| [ 324.486500] ? __lock_acquire+0x664/0x3e00 |
| [ 324.490717] ? ip6_make_skb+0x580/0x580 |
| [ 324.494665] ? ip6_input+0x560/0x560 |
| [ 324.498351] __netif_receive_skb_core+0x1a41/0x3460 |
| [ 324.503336] ? find_held_lock+0x35/0x1d0 |
| [ 324.507375] ? nf_ingress+0x9f0/0x9f0 |
| [ 324.511145] ? lock_downgrade+0x980/0x980 |
| [ 324.515285] ? debug_check_no_locks_freed+0x3c0/0x3c0 |
| [ 324.520456] ? update_curr+0x47b/0xa60 |
| [ 324.524323] ? __lock_acquire+0x664/0x3e00 |
| [ 324.528527] ? numa_migrate_preferred+0x250/0x250 |
| [ 324.533347] ? _find_next_bit+0xee/0x120 |
| [ 324.537386] ? account_entity_enqueue+0x3c8/0x6e0 |
| [ 324.542205] ? check_noncircular+0x20/0x20 |
| [ 324.546411] ? check_noncircular+0x20/0x20 |
| [ 324.550619] ? enqueue_task_fair+0x3b7/0x2950 |
| [ 324.555083] ? find_held_lock+0x35/0x1d0 |
| [ 324.559118] ? check_preempt_wakeup+0xb20/0xb20 |
| [ 324.563765] ? find_held_lock+0x35/0x1d0 |
| [ 324.567803] ? lock_acquire+0x1d5/0x580 |
| [ 324.571756] ? process_backlog+0x45f/0x740 |
| [ 324.575958] ? lock_acquire+0x1d5/0x580 |
| [ 324.579901] ? process_backlog+0x1ab/0x740 |
| [ 324.584111] ? lock_release+0xa40/0xa40 |
| [ 324.588071] __netif_receive_skb+0x2c/0x1b0 |
| [ 324.592361] ? __netif_receive_skb+0x2c/0x1b0 |
| [ 324.596827] process_backlog+0x203/0x740 |
| [ 324.600854] ? mark_held_locks+0xaf/0x100 |
| [ 324.604982] net_rx_action+0x792/0x1910 |
| [ 324.608940] ? napi_complete_done+0x6c0/0x6c0 |
| [ 324.613407] ? trace_hardirqs_off+0xd/0x10 |
| [ 324.617611] ? _raw_spin_unlock_irqrestore+0xa6/0xba |
| [ 324.622684] ? try_to_wake_up+0xf9/0x1600 |
| [ 324.626801] ? lock_downgrade+0x980/0x980 |
| [ 324.630925] ? migrate_swap_stop+0x970/0x970 |
| [ 324.635304] ? check_noncircular+0x20/0x20 |
| [ 324.639512] ? check_noncircular+0x20/0x20 |
| [ 324.643721] ? lock_acquire+0x1d5/0x580 |
| [ 324.647665] ? lock_acquire+0x1d5/0x580 |
| [ 324.651610] ? __hrtimer_run_queues+0x394/0xe20 |
| [ 324.656247] ? lock_downgrade+0x980/0x980 |
| [ 324.660367] ? lock_release+0xa40/0xa40 |
| [ 324.664322] ? find_held_lock+0x35/0x1d0 |
| [ 324.668363] ? clockevents_program_event+0x163/0x2e0 |
| [ 324.673435] ? lock_downgrade+0x980/0x980 |
| [ 324.677564] ? pvclock_read_flags+0x160/0x160 |
| [ 324.682041] ? check_noncircular+0x20/0x20 |
| [ 324.686245] ? print_irqtrace_events+0x270/0x270 |
| [ 324.690972] ? ktime_get_resolution_ns+0x300/0x300 |
| [ 324.695866] ? lock_downgrade+0x980/0x980 |
| [ 324.699984] ? check_noncircular+0x20/0x20 |
| [ 324.704187] ? do_timer+0x50/0x50 |
| [ 324.707615] ? __lock_is_held+0xb6/0x140 |
| [ 324.711663] __do_softirq+0x2d7/0xb85 |
| [ 324.715432] ? task_prio+0x40/0x40 |
| [ 324.718949] ? __irqentry_text_end+0x4/0x4 |
| [ 324.723152] ? irq_exit+0xbb/0x200 |
| [ 324.726660] ? smp_apic_timer_interrupt+0x16b/0x700 |
| [ 324.731646] ? smp_reschedule_interrupt+0xe6/0x670 |
| [ 324.736543] ? smp_call_function_single_interrupt+0x640/0x640 |
| [ 324.742400] ? _raw_spin_lock+0x32/0x40 |
| [ 324.746356] ? _raw_spin_unlock+0x22/0x30 |
| [ 324.750474] ? handle_edge_irq+0x2b4/0x7c0 |
| [ 324.754681] ? task_prio+0x40/0x40 |
| [ 324.758199] ? trace_hardirqs_off_thunk+0x1a/0x1c |
| [ 324.763025] do_softirq_own_stack+0x2a/0x40 |
| [ 324.767312] </IRQ> |
| [ 324.769522] do_softirq.part.21+0x14d/0x190 |
| [ 324.773813] ? ip6_finish_output2+0xb6d/0x23a0 |
| [ 324.778364] __local_bh_enable_ip+0x1ee/0x230 |
| [ 324.782830] ip6_finish_output2+0xba0/0x23a0 |
| [ 324.787213] ? print_irqtrace_events+0x270/0x270 |
| [ 324.791951] ? ip6_sk_dst_lookup_flow+0x7f0/0x7f0 |
| [ 324.796764] ? prandom_u32+0x24/0x30 |
| [ 324.800447] ? ip_idents_reserve+0x1e6/0x2a0 |
| [ 324.804828] ? ipv4_sysctl_rtcache_flush+0x70/0x70 |
| [ 324.809732] ? __lock_is_held+0xb6/0x140 |
| [ 324.813774] ? rcu_read_lock_sched_held+0x108/0x120 |
| [ 324.818758] ? ip6_copy_metadata+0x62a/0xad0 |
| [ 324.823132] ? __kmalloc_track_caller+0x46a/0x760 |
| [ 324.827944] ? dst_output+0x140/0x140 |
| [ 324.831715] ? memcpy+0x45/0x50 |
| [ 324.834968] ip6_fragment+0x25f2/0x3470 |
| [ 324.838912] ? ip6_fragment+0x25f2/0x3470 |
| [ 324.843043] ? ip6_sk_dst_lookup_flow+0x7f0/0x7f0 |
| [ 324.847864] ? ip6_forward+0x33d0/0x33d0 |
| [ 324.851902] ? ip6_mtu+0x1c7/0x4d0 |
| [ 324.855410] ? ip6_dst_ifdown+0x3d0/0x3d0 |
| [ 324.859537] ip6_finish_output+0x6bb/0xaf0 |
| [ 324.863753] ip6_output+0x1eb/0x840 |
| [ 324.867362] ? ip6_finish_output+0xaf0/0xaf0 |
| [ 324.871740] ? lock_acquire+0x1d5/0x580 |
| [ 324.875683] ? rawv6_sendmsg+0x1d74/0x3e70 |
| [ 324.879892] ? ip6_fragment+0x3470/0x3470 |
| [ 324.884025] ip6_local_out+0x95/0x160 |
| [ 324.887802] ip6_send_skb+0xa1/0x330 |
| [ 324.891487] ip6_push_pending_frames+0xb3/0xe0 |
| [ 324.896041] rawv6_sendmsg+0x2ee9/0x3e70 |
| [ 324.900090] ? rawv6_bind+0x8c0/0x8c0 |
| [ 324.903870] ? avc_has_perm+0x35e/0x680 |
| [ 324.907814] ? lock_downgrade+0x980/0x980 |
| [ 324.911934] ? lock_release+0xa40/0xa40 |
| [ 324.915876] ? __handle_mm_fault+0x3ce0/0x3ce0 |
| [ 324.920436] ? up_read+0x1a/0x40 |
| [ 324.923776] ? avc_has_perm+0x43e/0x680 |
| [ 324.927724] ? avc_has_perm_noaudit+0x520/0x520 |
| [ 324.932372] ? do_page_fault+0xee/0x720 |
| [ 324.936313] ? iterate_fd+0x3f0/0x3f0 |
| [ 324.940091] ? find_held_lock+0x35/0x1d0 |
| [ 324.944155] inet_sendmsg+0x11f/0x5e0 |
| [ 324.947922] ? inet_sendmsg+0x11f/0x5e0 |
| [ 324.951869] ? inet_recvmsg+0x5f0/0x5f0 |
| [ 324.955816] ? selinux_socket_sendmsg+0x36/0x40 |
| [ 324.960454] ? security_socket_sendmsg+0x89/0xb0 |
| [ 324.965181] ? inet_recvmsg+0x5f0/0x5f0 |
| [ 324.969127] sock_sendmsg+0xca/0x110 |
| [ 324.972812] SYSC_sendto+0x361/0x5c0 |
| [ 324.976502] ? SYSC_connect+0x4a0/0x4a0 |
| [ 324.980454] ? __might_sleep+0x95/0x190 |
| [ 324.984399] ? exit_to_usermode_loop+0x8c/0x310 |
| [ 324.989049] ? trace_event_raw_event_sys_exit+0x260/0x260 |
| [ 324.994566] ? syscall_return_slowpath+0x2ad/0x550 |
| [ 324.999464] ? prepare_exit_to_usermode+0x340/0x340 |
| [ 325.004450] ? entry_SYSCALL_64_fastpath+0x5/0x9a |
| [ 325.009270] SyS_sendto+0x40/0x50 |
| [ 325.012699] entry_SYSCALL_64_fastpath+0x23/0x9a |
| [ 325.017423] RIP: 0033:0x452ac9 |
| [ 325.020580] RSP: 002b:00007f042a550c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002c |
| [ 325.028255] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 |
| [ 325.035495] RDX: 0000000000000000 RSI: 0000000020aa7000 RDI: 0000000000000013 |
| [ 325.042733] RBP: 00000000000004b6 R08: 00000000201e0000 R09: 000000000000001c |
| [ 325.049971] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f51b0 |
| [ 325.057210] R13: 00000000ffffffff R14: 00007f042a5516d4 R15: 0000000000000000 |
