Enabling of bearer rejected, failed to enable media Enabling of bearer rejected, failed to enable media Enabling of bearer rejected, failed to enable media rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-....: (1 GPs behind) idle=4ba/1/0x4000000000000002 softirq=110158/110159 fqs=5232 rcu: (t=10500 jiffies g=156893 q=1976) NMI backtrace for cpu 1 CPU: 1 PID: 18656 Comm: syz-executor.2 Not tainted 5.0.0-rc6+ #69 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+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1be/0x236 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x183/0x1cf kernel/rcu/tree.c:1211 print_cpu_stall kernel/rcu/tree.c:1348 [inline] check_cpu_stall kernel/rcu/tree.c:1422 [inline] rcu_pending kernel/rcu/tree.c:3018 [inline] rcu_check_callbacks.cold+0x500/0xa4a kernel/rcu/tree.c:2521 update_process_times+0x32/0x80 kernel/time/timer.c:1635 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:161 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1271 __run_hrtimer kernel/time/hrtimer.c:1389 [inline] __hrtimer_run_queues+0x33e/0xde0 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline] smp_apic_timer_interrupt+0x120/0x570 arch/x86/kernel/apic/apic.c:1060 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:91 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:109 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:166 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:182 [inline] RIP: 0010:check_memory_region+0x104/0x190 mm/kasan/generic.c:191 Code: 89 c8 4d 39 c8 74 10 41 80 38 00 74 ee 4b 8d 44 25 00 4d 85 c0 75 25 49 89 d9 49 29 c1 e9 70 ff ff ff 4d 85 c9 74 ba 4d 01 e1 09 48 83 c0 01 4c 39 c8 74 ac 80 38 00 74 f2 eb a0 4c 89 c0 49 RSP: 0018:ffff8880a8876c40 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: fffff91ffffad822 RBX: fffff91ffffad823 RCX: ffffffff8157c0b7 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffe8ffffd6c110 RBP: ffff8880a8876c58 R08: 1ffffd1ffffad822 R09: fffff91ffffad823 R10: fffff91ffffad822 R11: ffffe8ffffd6c113 R12: fffff91ffffad822 R13: 0000000000000003 R14: fffff91ffffad822 R15: 0000000000000002 kasan_check_read+0x11/0x20 mm/kasan/common.c:100 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] virt_spin_lock arch/x86/include/asm/qspinlock.h:83 [inline] native_queued_spin_lock_slowpath+0xb7/0x970 kernel/locking/qspinlock.c:337 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:653 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:50 [inline] queued_spin_lock include/asm-generic/qspinlock.h:90 [inline] do_raw_spin_lock+0x20e/0x2e0 kernel/locking/spinlock_debug.c:113 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x37/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] nf_ct_add_to_unconfirmed_list net/netfilter/nf_conntrack_core.c:488 [inline] init_conntrack.isra.0+0xa07/0x1170 net/netfilter/nf_conntrack_core.c:1471 resolve_normal_ct net/netfilter/nf_conntrack_core.c:1512 [inline] nf_conntrack_in+0xd93/0x1410 net/netfilter/nf_conntrack_core.c:1672 ipv6_conntrack_local+0x1e/0x30 net/netfilter/nf_conntrack_proto.c:194 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbf/0x1f0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] ip6_xmit+0x11c6/0x20c0 net/ipv6/ip6_output.c:275 sctp_v6_xmit+0x313/0x660 net/sctp/ipv6.c:232 sctp_packet_transmit+0x1b8b/0x3660 net/sctp/output.c:641 sctp_packet_singleton net/sctp/outqueue.c:787 [inline] sctp_outq_flush_ctrl.constprop.0+0x741/0xd40 net/sctp/outqueue.c:918 sctp_outq_flush+0xe8/0x2790 net/sctp/outqueue.c:1200 sctp_outq_uncork+0x6c/0x80 net/sctp/outqueue.c:772 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1820 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1220 [inline] sctp_do_sm+0x513/0x5380 net/sctp/sm_sideeffect.c:1191 sctp_primitive_ASSOCIATE+0x9d/0xd0 net/sctp/primitive.c:88 __sctp_connect+0x8cd/0xce0 net/sctp/socket.c:1226 __sctp_setsockopt_connectx+0x133/0x1a0 net/sctp/socket.c:1349 sctp_setsockopt_connectx_old net/sctp/socket.c:1365 [inline] sctp_setsockopt net/sctp/socket.c:4616 [inline] sctp_setsockopt+0x22cc/0x68a0 net/sctp/socket.c:4580 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:3106 __sys_setsockopt+0x180/0x280 net/socket.c:1922 __do_sys_setsockopt net/socket.c:1933 [inline] __se_sys_setsockopt net/socket.c:1930 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1930 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e29 Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007eff95ac0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457e29 RDX: 000000000000006b RSI: 0000000000000084 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 000000000000001c R09: 0000000000000000 R10: 000000002055bfe4 R11: 0000000000000246 R12: 00007eff95ac16d4 R13: 00000000004cc958 R14: 00000000004da630 R15: 00000000ffffffff