1 FILE: net/xfrm/xfrm_policy.c 2 3 Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable 4 INFO: rcu_sched detected stalls on CPUs/tasks: 5 (detected by 0, t=125007 jiffies, g=66299, c=66298, q=40) 6 All QSes seen, last rcu_sched kthread activity 125014 (4294991138-4294866124), jiffies_till_next_fqs=3, root ->qsmask 0x0 7 syz-executor5 R running task 22056 22277 3688 0x00000008 8 Call Trace: 9 <IRQ> 10 sched_show_task+0x4a3/0x5e0 kernel/sched/core.c:5198 11 print_other_cpu_stall+0x996/0x1090 kernel/rcu/tree.c:1564 12 check_cpu_stall.isra.61+0x6e6/0x15b0 kernel/rcu/tree.c:1682 13 __rcu_pending kernel/rcu/tree.c:3440 [inline] 14 rcu_pending kernel/rcu/tree.c:3502 [inline] 15 rcu_check_callbacks+0x256/0xd00 kernel/rcu/tree.c:2842 16 update_process_times+0x30/0x60 kernel/time/timer.c:1630 17 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:162 18 tick_sched_timer+0x42/0x120 kernel/time/tick-sched.c:1166 19 __run_hrtimer kernel/time/hrtimer.c:1211 [inline] 20 __hrtimer_run_queues+0x358/0xe20 kernel/time/hrtimer.c:1275 21 hrtimer_interrupt+0x1c2/0x5e0 kernel/time/hrtimer.c:1309 22 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] 23 smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050 24 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:904 25 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 26 RSP: 0018:ffff8801db206738 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff11 27 RAX: ffffed003a2965e3 RBX: ffff8801d14b2e40 RCX: ffffffff84c25899 28 RDX: 0000000000000100 RSI: ffff8801c5f47f29 RDI: 00000000000079c8 29 RBP: ffff8801db2067c8 R08: ffffed0038bea003 R09: ffffed0038bea003 30 R10: 000000000000000b R11: ffffed0038bea002 R12: ffff8801c5f40580 31 R13: ffff8801db206aa0 R14: 00000000000079d0 R15: dffffc0000000000 32 __xfrm_decode_session+0x68/0x110 net/xfrm/xfrm_policy.c:2358 33 __xfrm_policy_check+0x18c/0x2350 net/xfrm/xfrm_policy.c:2393 34 __xfrm_policy_check2 include/net/xfrm.h:1170 [inline] 35 xfrm_policy_check include/net/xfrm.h:1175 [inline] 36 xfrm6_policy_check include/net/xfrm.h:1185 [inline] 37 rawv6_rcv+0x8f6/0x1200 net/ipv6/raw.c:424 38 ipv6_raw_deliver net/ipv6/raw.c:224 [inline] 39 raw6_local_deliver+0x819/0xa80 net/ipv6/raw.c:240 40 ip6_input_finish+0x3c7/0x17a0 net/ipv6/ip6_input.c:246 41 NF_HOOK include/linux/netfilter.h:250 [inline] 42 ip6_input+0xe9/0x560 net/ipv6/ip6_input.c:327 43 dst_input include/net/dst.h:449 [inline] 44 ip6_rcv_finish+0x1a9/0x7a0 net/ipv6/ip6_input.c:71 45 NF_HOOK include/linux/netfilter.h:250 [inline] 46 ipv6_rcv+0xf37/0x1fa0 net/ipv6/ip6_input.c:208 47 __netif_receive_skb_core+0x1a41/0x3460 net/core/dev.c:4499 48 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4564 49 process_backlog+0x203/0x740 net/core/dev.c:5244 50 napi_poll net/core/dev.c:5642 [inline] 51 net_rx_action+0x792/0x1910 net/core/dev.c:5708 52 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285 53 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1115 54 </IRQ> 55 do_softirq.part.21+0x14d/0x190 kernel/softirq.c:329 56 do_softirq kernel/softirq.c:177 [inline] 57 __local_bh_enable_ip+0x1ee/0x230 kernel/softirq.c:182 58 local_bh_enable include/linux/bottom_half.h:32 [inline] 59 rcu_read_unlock_bh include/linux/rcupdate.h:727 [inline] 60 ip6_finish_output2+0xba0/0x23a0 net/ipv6/ip6_output.c:121 61 ip6_fragment+0x25f2/0x3470 net/ipv6/ip6_output.c:739 62 ip6_finish_output+0x6bb/0xaf0 net/ipv6/ip6_output.c:152 63 NF_HOOK_COND include/linux/netfilter.h:239 [inline] 64 ip6_output+0x1eb/0x840 net/ipv6/ip6_output.c:171 65 dst_output include/net/dst.h:443 [inline] 66 ip6_local_out+0x95/0x160 net/ipv6/output_core.c:176 67 ip6_send_skb+0xa1/0x330 net/ipv6/ip6_output.c:1674 68 ip6_push_pending_frames+0xb3/0xe0 net/ipv6/ip6_output.c:1694 69 rawv6_push_pending_frames net/ipv6/raw.c:616 [inline] 70 rawv6_sendmsg+0x2ee9/0x3e70 net/ipv6/raw.c:935 71 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:764 72 sock_sendmsg_nosec net/socket.c:628 [inline] 73 sock_sendmsg+0xca/0x110 net/socket.c:638 74 SYSC_sendto+0x361/0x5c0 net/socket.c:1719 75 SyS_sendto+0x40/0x50 net/socket.c:1687 76 entry_SYSCALL_64_fastpath+0x23/0x9a 77 RIP: 0033:0x452ac9 78 RSP: 002b:00007f042a550c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002c 79 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 80 RDX: 0000000000000000 RSI: 0000000020aa7000 RDI: 0000000000000013 81 RBP: 00000000000004b6 R08: 00000000201e0000 R09: 000000000000001c 82 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f51b0 83 R13: 00000000ffffffff R14: 00007f042a5516d4 R15: 0000000000000000 84 rcu_sched kthread starved for 126236 jiffies! g66299 c66298 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0 85 rcu_sched R running task 23456 8 2 0x80000000 86 Call Trace: 87 context_switch kernel/sched/core.c:2799 [inline] 88 __schedule+0x8eb/0x2060 kernel/sched/core.c:3375 89 schedule+0xf5/0x430 kernel/sched/core.c:3434 90 schedule_timeout+0x118/0x230 kernel/time/timer.c:1795 91 rcu_gp_kthread+0x9e5/0x1930 kernel/rcu/tree.c:2314 92 kthread+0x33c/0x400 kernel/kthread.c:238 93 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:515 94
