sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 INFO: rcu_sched self-detected stall on CPU 0-...: (13773 ticks this GP) idle=ec2/140000000000001/0 softirq=72060/72060 fqs=13492 (t=125001 jiffies g=39907 c=39906 q=41522) NMI backtrace for cpu 0 CPU: 0 PID: 24317 Comm: syz-executor4 Not tainted 4.14.0-rc1+ #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 nmi_cpu_backtrace+0x20e/0x240 lib/nmi_backtrace.c:102 nmi_trigger_cpumask_backtrace+0x122/0x180 lib/nmi_backtrace.c:61 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37 trigger_single_cpu_backtrace include/linux/nmi.h:123 [inline] rcu_dump_cpu_stacks+0x186/0x1d6 kernel/rcu/tree.c:1386 print_cpu_stall kernel/rcu/tree.c:1532 [inline] check_cpu_stall.isra.64+0xaae/0x1480 kernel/rcu/tree.c:1600 __rcu_pending kernel/rcu/tree.c:3361 [inline] rcu_pending kernel/rcu/tree.c:3423 [inline] rcu_check_callbacks+0x256/0xce0 kernel/rcu/tree.c:2765 update_process_times+0x30/0x60 kernel/time/timer.c:1590 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:161 tick_sched_timer+0x42/0x120 kernel/time/tick-sched.c:1190 __run_hrtimer kernel/time/hrtimer.c:1213 [inline] __hrtimer_run_queues+0x349/0xe10 kernel/time/hrtimer.c:1277 hrtimer_interrupt+0x1d4/0x5f0 kernel/time/hrtimer.c:1311 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1021 [inline] smp_apic_timer_interrupt+0x156/0x710 arch/x86/kernel/apic/apic.c:1046 apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:770 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline] RIP: 0010:console_unlock+0x95d/0xd80 kernel/printk/printk.c:2235 RSP: 0018:ffff8801a8287400 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 0000000000010000 RBX: 0000000000000000 RCX: ffffc90001c46000 RDX: 0000000000010000 RSI: ffffffff815866b4 RDI: 0000000000000246 RBP: ffff8801a82874e8 R08: ffff8801a8286be8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff8369bd60 R15: dffffc0000000000 vprintk_emit+0x4ad/0x590 kernel/printk/printk.c:1757 vprintk_default+0x28/0x30 kernel/printk/printk.c:1796 vprintk_func+0x57/0xc0 kernel/printk/printk_safe.c:382 printk+0xaa/0xca kernel/printk/printk.c:1829 br_set_state+0x39e/0x5f0 net/bridge/br_stp.c:49 br_make_forwarding+0xf8/0x220 net/bridge/br_stp.c:421 br_port_state_selection+0x3e9/0x540 net/bridge/br_stp.c:453 br_stp_enable_port+0x34/0x50 net/bridge/br_stp_if.c:98 br_device_event+0x3b7/0x530 net/bridge/br.c:87 notifier_call_chain+0x136/0x2c0 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x51/0x90 net/core/dev.c:1671 call_netdevice_notifiers net/core/dev.c:1687 [inline] __dev_notify_flags+0xff/0x2e0 net/core/dev.c:6799 dev_change_flags+0xf5/0x140 net/core/dev.c:6832 devinet_ioctl+0x1249/0x19b0 net/ipv4/devinet.c:1081 inet_ioctl+0x117/0x1c0 net/ipv4/af_inet.c:900 packet_ioctl+0x1ff/0x310 net/packet/af_packet.c:4070 sock_do_ioctl+0x65/0xb0 net/socket.c:961 sock_ioctl+0x2c2/0x440 net/socket.c:1058 vfs_ioctl fs/ioctl.c:45 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685 SYSC_ioctl fs/ioctl.c:700 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007f5f8eea3c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004520a9 RDX: 000000002094c000 RSI: 0000000000008914 RDI: 0000000000000006 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000000 R13: 0000000000a6f7ef R14: 00007f5f8eea49c0 R15: 0000000000000000 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 INFO: rcu_sched detected expedited stalls on CPUs/tasks: { 0-... } 127440 jiffies s: 1169 root: 0x1/. blocking rcu_node structures: Task dump for CPU 0: syz-executor4 R running task 21856 24317 3043 0x0000000c Call Trace: sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 sctp: sctp_transport_update_pmtu: Reported pmtu 68 too low, using default minimum of 512 INFO: task syz-executor2:24293 blocked for more than 120 seconds. Not tainted 4.14.0-rc1+ #58 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D19224 24293 3047 0x80000002 Call Trace: context_switch kernel/sched/core.c:2790 [inline] __schedule+0x8e8/0x2070 kernel/sched/core.c:3366 schedule+0x108/0x440 kernel/sched/core.c:3425 schedule_timeout+0x1ce/0x250 kernel/time/timer.c:1720 do_wait_for_common kernel/sched/completion.c:90 [inline] __wait_for_common kernel/sched/completion.c:111 [inline] wait_for_common kernel/sched/completion.c:122 [inline] wait_for_completion+0x424/0x770 kernel/sched/completion.c:143 __wait_rcu_gp+0x25d/0x420 kernel/rcu/update.c:413 synchronize_sched.part.68+0xbd/0x110 kernel/rcu/tree.c:3212 synchronize_sched+0x76/0xf0 kernel/rcu/tree.c:3213 synchronize_rcu include/linux/rcupdate.h:94 [inline] synchronize_net+0x34/0x50 net/core/dev.c:8182 packet_release+0x734/0xd70 net/packet/af_packet.c:3033 sock_release+0x8d/0x1e0 net/socket.c:597 sock_close+0x16/0x20 net/socket.c:1126 __fput+0x333/0x7f0 fs/file_table.c:210 ____fput+0x15/0x20 fs/file_table.c:244 task_work_run+0x199/0x270 kernel/task_work.c:112 exit_task_work include/linux/task_work.h:21 [inline] do_exit+0xa52/0x1b40 kernel/exit.c:865 do_group_exit+0x149/0x400 kernel/exit.c:968 get_signal+0x7e8/0x17e0 kernel/signal.c:2334 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:808 exit_to_usermode_loop+0x224/0x300 arch/x86/entry/common.c:158 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath+0x42f/0x500 arch/x86/entry/common.c:266 entry_SYSCALL_64_fastpath+0xbc/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007f0276147cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 0000000000718028 RCX: 00000000004520a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000718028 RBP: 0000000000718000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000a6f7ef R14: 00007f02761489c0 R15: 0000000000000000 Showing all locks held in the system: 2 locks held by khungtaskd/643: #0: (rcu_read_lock){....}, at: [] check_hung_uninterruptible_tasks kernel/hung_task.c:175 [inline] #0: (rcu_read_lock){....}, at: [] watchdog+0x1c5/0xd60 kernel/hung_task.c:249 #1: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0xd2/0x410 kernel/locking/lockdep.c:4552 3 locks held by rs:main Q:Reg/2874: #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0x131/0x1a0 fs/file.c:767 #1: (sb_writers#3){.+.+}, at: [] file_start_write include/linux/fs.h:2696 [inline] #1: (sb_writers#3){.+.+}, at: [] vfs_write+0x410/0x510 fs/read_write.c:542 #2: (&sb->s_type->i_mutex_key#8){+.+.}, at: [] inode_trylock include/linux/fs.h:732 [inline] #2: (&sb->s_type->i_mutex_key#8){+.+.}, at: [] ext4_file_write_iter+0x21f/0x10c0 fs/ext4/file.c:229 1 lock held by rsyslogd/2876: #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0x131/0x1a0 fs/file.c:767 2 locks held by getty/2958: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:367 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x2f2/0x1a40 drivers/tty/n_tty.c:2133 2 locks held by getty/2959: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:367 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x2f2/0x1a40 drivers/tty/n_tty.c:2133 2 locks held by getty/2960: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:367 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x2f2/0x1a40 drivers/tty/n_tty.c:2133 2 locks held by getty/2961: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:367 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x2f2/0x1a40 drivers/tty/n_tty.c:2133 2 locks held by getty/2962: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:367 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x2f2/0x1a40 drivers/tty/n_tty.c:2133 2 locks held by getty/2963: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:367 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x2f2/0x1a40 drivers/tty/n_tty.c:2133 2 locks held by getty/2964: #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:367 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x2f2/0x1a40 drivers/tty/n_tty.c:2133 6 locks held by kworker/u4:12/4051: #0: ("writeback"){+.+.}, at: [] __write_once_size include/linux/compiler.h:305 [inline] #0: ("writeback"){+.+.}, at: [] atomic64_set arch/x86/include/asm/atomic64_64.h:33 [inline] #0: ("writeback"){+.+.}, at: [] atomic_long_set include/asm-generic/atomic-long.h:56 [inline] #0: ("writeback"){+.+.}, at: [] set_work_data kernel/workqueue.c:617 [inline] #0: ("writeback"){+.+.}, at: [] set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: ("writeback"){+.+.}, at: [] process_one_work+0xad4/0x1bd0 kernel/workqueue.c:2090 #1: ((&(&wb->dwork)->work)){+.+.}, at: [] process_one_work+0xb2c/0x1bd0 kernel/workqueue.c:2094 #2: (&type->s_umount_key#25){++++}, at: [] trylock_super+0x20/0x100 fs/super.c:391 #3: (&sbi->s_journal_flag_rwsem){.+.+}, at: [] do_writepages+0xff/0x170 mm/page-writeback.c:2357 #4: (jbd2_handle){++++}, at: [] start_this_handle+0x488/0x1080 fs/jbd2/transaction.c:388 #5: (&ei->i_data_sem){++++}, at: [] ext4_map_blocks+0x377/0x1830 fs/ext4/inode.c:618 2 locks held by kworker/1:4/4733: #0: ("events"){+.+.}, at: [] __write_once_size include/linux/compiler.h:305 [inline] #0: ("events"){+.+.}, at: [] atomic64_set arch/x86/include/asm/atomic64_64.h:33 [inline] #0: ("events"){+.+.}, at: [] atomic_long_set include/asm-generic/atomic-long.h:56 [inline] #0: ("events"){+.+.}, at: [] set_work_data kernel/workqueue.c:617 [inline] #0: ("events"){+.+.}, at: [] set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: ("events"){+.+.}, at: [] process_one_work+0xad4/0x1bd0 kernel/workqueue.c:2090 #1: ((&rew.rew_work)){+.+.}, at: [] process_one_work+0xb2c/0x1bd0 kernel/workqueue.c:2094 1 lock held by syz-executor5/24313: #0: (rcu_sched_state.exp_mutex){+.+.}, at: [] exp_funnel_lock kernel/rcu/tree_exp.h:272 [inline] #0: (rcu_sched_state.exp_mutex){+.+.}, at: [] _synchronize_rcu_expedited.constprop.76+0x9ee/0xab0 kernel/rcu/tree_exp.h:596 1 lock held by syz-executor4/24322: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor4/24330: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor4/24355: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor4/24358: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor4/24359: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor4/24362: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor4/24366: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor6/24329: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor0/24331: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor1/24354: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock net/core/rtnetlink.c:72 [inline] #0: (rtnl_mutex){+.+.}, at: [] rtnetlink_rcv_msg+0x65c/0x1090 net/core/rtnetlink.c:4241 1 lock held by syz-executor7/24371: #0: (rcu_sched_state.exp_mutex){+.+.}, at: [] exp_funnel_lock kernel/rcu/tree_exp.h:305 [inline] #0: (rcu_sched_state.exp_mutex){+.+.}, at: [] _synchronize_rcu_expedited.constprop.76+0x981/0xab0 kernel/rcu/tree_exp.h:596 1 lock held by syz-executor7/24374: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor7/24375: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor7/24376: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor7/24378: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor7/24380: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 1 lock held by syz-executor7/24383: #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 643 Comm: khungtaskd Not tainted 4.14.0-rc1+ #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 nmi_cpu_backtrace+0x20e/0x240 lib/nmi_backtrace.c:102 nmi_trigger_cpumask_backtrace+0x122/0x180 lib/nmi_backtrace.c:61 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37 trigger_all_cpu_backtrace include/linux/nmi.h:105 [inline] check_hung_task kernel/hung_task.c:132 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:190 [inline] watchdog+0x90c/0xd60 kernel/hung_task.c:249 kthread+0x39c/0x470 kernel/kthread.c:231 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 24317 Comm: syz-executor4 Not tainted 4.14.0-rc1+ #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c5d2c480 task.stack: ffff8801a8280000 RIP: 0010:rdtsc arch/x86/include/asm/msr.h:190 [inline] RIP: 0010:rdtsc_ordered arch/x86/include/asm/msr.h:218 [inline] RIP: 0010:delay_tsc+0x26/0x70 arch/x86/lib/delay.c:60 RSP: 0018:ffff8801a82871c8 EFLAGS: 00000046 RAX: 00000000db162826 RBX: ffffffff878cb0c0 RCX: 00000085db16254f RDX: 0000000000000085 RSI: 0000000000000000 RDI: 00000000000008fd RBP: ffff8801a82871c8 R08: ffff8801a8286be8 R09: ffff8801a8286be0 R10: ffff8801a8286b58 R11: 1ffff10038ba5b23 R12: 0000000000002704 R13: 0000000000000020 R14: fffffbfff0f19660 R15: fffffbfff0f19622 FS: 00007f5f8eea4700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001ddbc24000 CR3: 00000001c2631000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __delay arch/x86/lib/delay.c:160 [inline] __const_udelay+0x5b/0x70 arch/x86/lib/delay.c:174 wait_for_xmitr+0x6f/0x1e0 drivers/tty/serial/8250/8250_port.c:2048 serial8250_console_putchar+0x1f/0x60 drivers/tty/serial/8250/8250_port.c:3174 uart_console_write+0xac/0xe0 drivers/tty/serial/serial_core.c:1872 serial8250_console_write+0x647/0xa20 drivers/tty/serial/8250/8250_port.c:3240 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:597 call_console_drivers kernel/printk/printk.c:1574 [inline] console_unlock+0x812/0xd80 kernel/printk/printk.c:2233 vprintk_emit+0x4ad/0x590 kernel/printk/printk.c:1757 vprintk_default+0x28/0x30 kernel/printk/printk.c:1796 vprintk_func+0x57/0xc0 kernel/printk/printk_safe.c:382 printk+0xaa/0xca kernel/printk/printk.c:1829 br_set_state+0x39e/0x5f0 net/bridge/br_stp.c:49 br_make_forwarding+0xf8/0x220 net/bridge/br_stp.c:421 br_port_state_selection+0x3e9/0x540 net/bridge/br_stp.c:453 br_stp_enable_port+0x34/0x50 net/bridge/br_stp_if.c:98 br_device_event+0x3b7/0x530 net/bridge/br.c:87 notifier_call_chain+0x136/0x2c0 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x51/0x90 net/core/dev.c:1671 call_netdevice_notifiers net/core/dev.c:1687 [inline] __dev_notify_flags+0xff/0x2e0 net/core/dev.c:6799 dev_change_flags+0xf5/0x140 net/core/dev.c:6832 devinet_ioctl+0x1249/0x19b0 net/ipv4/devinet.c:1081 inet_ioctl+0x117/0x1c0 net/ipv4/af_inet.c:900 packet_ioctl+0x1ff/0x310 net/packet/af_packet.c:4070 sock_do_ioctl+0x65/0xb0 net/socket.c:961 sock_ioctl+0x2c2/0x440 net/socket.c:1058 vfs_ioctl fs/ioctl.c:45 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685 SYSC_ioctl fs/ioctl.c:700 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4520a9 RSP: 002b:00007f5f8eea3c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004520a9 RDX: 000000002094c000 RSI: 0000000000008914 RDI: 0000000000000006 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000000 R13: 0000000000a6f7ef R14: 00007f5f8eea49c0 R15: 0000000000000000 Code: 00 00 00 00 00 55 65 ff 05 68 c1 2e 7b 48 89 e5 65 8b 35 b6 8d 2e 7b 0f ae e8 0f 31 48 c1 e2 20 48 89 d1 48 09 c1 0f ae e8 0f 31 <48> c1 e2 20 48 09 d0 48 89 c2 48 29 ca 48 39 fa 73 25 65 ff 0d