INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.56' (ECDSA) to the list of known hosts. 2018/04/11 07:14:32 fuzzer started 2018/04/11 07:14:33 dialing manager at 10.128.0.26:40599 2018/04/11 07:14:38 kcov=true, comps=false 2018/04/11 07:14:41 executing program 0: r0 = socket$inet6(0xa, 0x3, 0x8000000000002c) connect$inet6(r0, &(0x7f0000002fe4)={0xa}, 0x1c) sendmsg(r0, &(0x7f0000007000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000080)='2', 0x1}], 0x1, &(0x7f0000026000)}, 0x2000c080) perf_event_open(&(0x7f0000940000)={0x2, 0x78, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000a3c000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) writev(r0, &(0x7f0000000040)=[{&(0x7f0000000000)='\x00\x00\x00\x00\x00\x00\x00', 0x7}], 0x1) 2018/04/11 07:14:41 executing program 2: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000002280)='cpuset.mems\x00', 0x2, 0x0) write$cgroup_int(r1, &(0x7f0000000100)={[0x2c, 0x32]}, 0x2) 2018/04/11 07:14:41 executing program 7: sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000140)={&(0x7f0000000300)={0x1c, 0x0, 0x0, 0x0, 0x0, 0x0, {0x3}, [@typed={0x8, 0x54, @uid}]}, 0x1c}, 0x1}, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x4) sendto$inet(r0, &(0x7f0000a6efff), 0x0, 0x20020003, &(0x7f0000385ff0)={0x2, 0x0, @loopback=0x7f000001}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f0000000000)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x22d3) 2018/04/11 07:14:41 executing program 1: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) add_key(&(0x7f0000000140)='dns_resolver\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a}, &(0x7f0000000040)="9df91139f430fc57d7d5ef3247", 0xd, 0xffffffffffffffff) 2018/04/11 07:14:41 executing program 4: 2018/04/11 07:14:41 executing program 3: 2018/04/11 07:14:41 executing program 5: perf_event_open(&(0x7f0000940000)={0x2, 0x78, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x100000800000003, 0x200000000004) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x3}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000001080), 0x0, &(0x7f00000003c0)}}], 0x1, 0x0) 2018/04/11 07:14:41 executing program 6: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.cpu/syz1\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000002280)='cpuset.mems\x00', 0x2, 0x0) write$cgroup_int(r1, &(0x7f0000000080)=ANY=[], 0x0) syzkaller login: [ 41.383708] ip (3799) used greatest stack depth: 54312 bytes left [ 41.561466] ip (3814) used greatest stack depth: 54072 bytes left [ 44.483091] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.504160] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.555798] ip (4082) used greatest stack depth: 53976 bytes left [ 44.620139] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.655980] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.849666] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.859210] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.949966] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.067729] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.270509] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.438098] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.510979] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.586633] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.651945] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.901842] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.973366] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.988430] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.115609] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.121907] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.135658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.207894] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.214156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.228564] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.364894] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.371147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.384956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.415737] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.422119] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.435550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.471762] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.496014] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.528622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.709709] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.715983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.730390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.759991] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.766367] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.780645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.864201] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.870428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.880876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.312309] ================================================================== [ 55.319711] BUG: KMSAN: uninit-value in ipv6_frag_rcv+0xfa5/0x6970 [ 55.326033] CPU: 0 PID: 5006 Comm: syz-executor0 Not tainted 4.16.0+ #83 [ 55.332864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.342209] Call Trace: [ 55.344782] [ 55.346931] dump_stack+0x185/0x1d0 [ 55.350561] ? ipv6_frag_rcv+0xfa5/0x6970 [ 55.354705] kmsan_report+0x142/0x240 [ 55.358509] __msan_warning_32+0x6c/0xb0 [ 55.362572] ipv6_frag_rcv+0xfa5/0x6970 [ 55.366548] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 55.371916] ? ipv6_frag_exit+0x90/0x90 [ 55.375890] ip6_input_finish+0xa62/0x2110 [ 55.380124] ? ip6table_filter_hook+0xb5/0xe0 [ 55.385050] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 55.390414] ip6_input+0x294/0x320 [ 55.393953] ? ip6_input+0x320/0x320 [ 55.397668] ? ipv6_rcv+0x26d0/0x26d0 [ 55.401466] ipv6_rcv+0x20ec/0x26d0 [ 55.405091] ? local_bh_enable+0x40/0x40 [ 55.409159] __netif_receive_skb_core+0x47cf/0x4a80 [ 55.414171] ? rb_insert_color+0xa4/0x1300 [ 55.418404] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 55.424204] ? ip6_rcv_finish+0x4d0/0x4d0 [ 55.428351] process_backlog+0x62d/0xe20 [ 55.432413] ? rps_trigger_softirq+0x2f0/0x2f0 [ 55.436987] net_rx_action+0x7c1/0x1a70 [ 55.440967] ? net_tx_action+0xab0/0xab0 [ 55.445029] __do_softirq+0x56d/0x93d [ 55.448831] do_softirq_own_stack+0x2a/0x40 [ 55.453137] [ 55.455374] __local_bh_enable_ip+0x114/0x140 [ 55.459871] local_bh_enable+0x36/0x40 [ 55.463756] ip6_finish_output2+0x1b6c/0x1f20 [ 55.468271] ip6_finish_output+0xb3f/0xc00 [ 55.472514] ip6_output+0x597/0x6c0 [ 55.476137] ? ip6_output+0x6c0/0x6c0 [ 55.479939] ? ac6_seq_show+0x200/0x200 [ 55.483908] ip6_local_out+0x573/0x640 [ 55.487795] ? __ip6_local_out+0x4f0/0x4f0 [ 55.492038] ip6_push_pending_frames+0x218/0x4d0 [ 55.496794] rawv6_sendmsg+0x4500/0x4cc0 [ 55.500855] ? kmsan_set_origin_inline+0x6b/0x120 [ 55.505702] ? futex_wait_queue_me+0x4ba/0x710 [ 55.510284] ? futex_wait_queue_me+0x4ee/0x710 [ 55.514881] ? compat_rawv6_ioctl+0x30/0x30 [ 55.519201] inet_sendmsg+0x48d/0x740 [ 55.523009] ? security_socket_sendmsg+0x9e/0x210 [ 55.527852] ? inet_getname+0x500/0x500 [ 55.531824] sock_write_iter+0x3b9/0x470 [ 55.535888] ? sock_read_iter+0x480/0x480 [ 55.540035] do_iter_readv_writev+0x7bb/0x970 [ 55.544536] ? sock_read_iter+0x480/0x480 [ 55.548682] do_iter_write+0x30d/0xd40 [ 55.552572] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 55.558056] do_writev+0x3c9/0x830 2018/04/11 07:14:58 executing program 6: syz_emit_ethernet(0x1, &(0x7f000037c000)=ANY=[@ANYBLOB="ffffffffffff00001400000008004500001c000000000000000000089078000000000000000000000000"], 0x0) 2018/04/11 07:14:58 executing program 2: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000002280)='cpuset.mems\x00', 0x2, 0x0) write$cgroup_int(r1, &(0x7f0000000100)={[0x2c, 0x32]}, 0x2) [ 55.561603] ? syscall_return_slowpath+0xe9/0x700 [ 55.566449] SYSC_writev+0x9b/0xb0 [ 55.569988] SyS_writev+0x56/0x80 [ 55.573438] do_syscall_64+0x309/0x430 [ 55.577325] ? SYSC_readv+0xb0/0xb0 [ 55.580951] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 55.586139] RIP: 0033:0x455259 [ 55.589319] RSP: 002b:00007f4a7d233c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 55.597031] RAX: ffffffffffffffda RBX: 00007f4a7d2346d4 RCX: 0000000000455259 [ 55.604298] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000013 [ 55.611562] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 55.618828] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 55.626181] R13: 00000000000006cd R14: 00000000006fd3d8 R15: 0000000000000000 [ 55.633631] [ 55.635243] Uninit was stored to memory at: [ 55.639569] kmsan_internal_chain_origin+0x12b/0x210 [ 55.644667] kmsan_memcpy_origins+0x11d/0x170 [ 55.649157] __msan_memcpy+0x19f/0x1f0 [ 55.653041] skb_copy_bits+0x63a/0xdb0 [ 55.656924] __pskb_pull_tail+0x483/0x22e0 [ 55.661155] ipv6_frag_rcv+0x1894/0x6970 [ 55.665212] ip6_input_finish+0xa62/0x2110 [ 55.669439] ip6_input+0x294/0x320 [ 55.672970] ipv6_rcv+0x20ec/0x26d0 [ 55.676595] __netif_receive_skb_core+0x47cf/0x4a80 [ 55.681604] process_backlog+0x62d/0xe20 [ 55.685655] net_rx_action+0x7c1/0x1a70 [ 55.689627] __do_softirq+0x56d/0x93d [ 55.693415] Uninit was created at: [ 55.696953] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 55.701963] kmsan_alloc_page+0x82/0xe0 [ 55.705931] __alloc_pages_nodemask+0xf5b/0x5dc0 [ 55.710681] alloc_pages_current+0x6b5/0x970 [ 55.715084] skb_page_frag_refill+0x3ba/0x5e0 [ 55.719580] sk_page_frag_refill+0xa4/0x340 [ 55.723907] __ip6_append_data+0x1a20/0x4bb0 [ 55.728316] ip6_append_data+0x40e/0x6b0 [ 55.732380] rawv6_sendmsg+0x2787/0x4cc0 [ 55.736438] inet_sendmsg+0x48d/0x740 [ 55.740233] sock_write_iter+0x3b9/0x470 [ 55.744315] do_iter_readv_writev+0x7bb/0x970 [ 55.748803] do_iter_write+0x30d/0xd40 [ 55.752686] do_writev+0x3c9/0x830 [ 55.756218] SYSC_writev+0x9b/0xb0 [ 55.759755] SyS_writev+0x56/0x80 2018/04/11 07:14:58 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='cpuset.sched_relax_domain_level\x00', 0x2, 0x0) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x1011, r1, 0x0) [ 55.763200] do_syscall_64+0x309/0x430 [ 55.767083] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 55.772256] ================================================================== [ 55.779601] Disabling lock debugging due to kernel taint [ 55.785039] Kernel panic - not syncing: panic_on_warn set ... [ 55.785039] [ 55.792406] CPU: 0 PID: 5006 Comm: syz-executor0 Tainted: G B 4.16.0+ #83 [ 55.800536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.809880] Call Trace: [ 55.812460] 2018/04/11 07:14:58 executing program 2: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000469ffc)=0x7fe, 0x4) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000)=0x2a8, 0x4) [ 55.814609] dump_stack+0x185/0x1d0 [ 55.818235] panic+0x39d/0x940 [ 55.821444] ? ipv6_frag_rcv+0xfa5/0x6970 [ 55.825592] kmsan_report+0x238/0x240 [ 55.829393] __msan_warning_32+0x6c/0xb0 [ 55.833453] ipv6_frag_rcv+0xfa5/0x6970 [ 55.837432] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 55.842799] ? ipv6_frag_exit+0x90/0x90 [ 55.846771] ip6_input_finish+0xa62/0x2110 [ 55.851008] ? ip6table_filter_hook+0xb5/0xe0 [ 55.855502] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 55.860869] ip6_input+0x294/0x320 2018/04/11 07:14:58 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='cpuset.sched_relax_domain_level\x00', 0x2, 0x0) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x1011, r1, 0x0) [ 55.864404] ? ip6_input+0x320/0x320 [ 55.868119] ? ipv6_rcv+0x26d0/0x26d0 [ 55.871919] ipv6_rcv+0x20ec/0x26d0 [ 55.875547] ? local_bh_enable+0x40/0x40 [ 55.879613] __netif_receive_skb_core+0x47cf/0x4a80 [ 55.884632] ? rb_insert_color+0xa4/0x1300 [ 55.888870] ? kmsan_internal_memset_shadow_inline+0xd0/0xd0 [ 55.894674] ? ip6_rcv_finish+0x4d0/0x4d0 [ 55.898825] process_backlog+0x62d/0xe20 [ 55.902891] ? rps_trigger_softirq+0x2f0/0x2f0 [ 55.907468] net_rx_action+0x7c1/0x1a70 [ 55.911443] ? net_tx_action+0xab0/0xab0 [ 55.915503] __do_softirq+0x56d/0x93d [ 55.919308] do_softirq_own_stack+0x2a/0x40 [ 55.923620] [ 55.925873] __local_bh_enable_ip+0x114/0x140 [ 55.930371] local_bh_enable+0x36/0x40 [ 55.934265] ip6_finish_output2+0x1b6c/0x1f20 [ 55.938781] ip6_finish_output+0xb3f/0xc00 [ 55.943037] ip6_output+0x597/0x6c0 [ 55.946667] ? ip6_output+0x6c0/0x6c0 [ 55.950467] ? ac6_seq_show+0x200/0x200 [ 55.954442] ip6_local_out+0x573/0x640 [ 55.958328] ? __ip6_local_out+0x4f0/0x4f0 2018/04/11 07:14:58 executing program 2: bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x4, 0x21f}, 0x2c) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x0, 0x7, 0x0, 0x1}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x2df, &(0x7f00001a7f05)=""/251}, 0x18) bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000040)={0xffffffffffffffff, &(0x7f00000000c0)="b82283392dc50ff1fb635a5849d2f5916ae2fdc24e95e12aa8daccf7393e72be9cc66f"}, 0x10) bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x7, 0x97}, 0x2c) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000346fc8)=@framed={{0x18}, [@alu={0x8000000201a7f19, 0x0, 0x7, 0x0, 0x1}], {0x95}}, &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251}, 0x18) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000140)={r1, 0x50, &(0x7f00000000c0)}, 0x10) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000080)) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000140)={r0, 0x50, &(0x7f00000000c0)}, 0x10) socketpair$inet_icmp(0x14ee, 0x705000, 0x400000, &(0x7f0000000200)) 2018/04/11 07:14:58 executing program 4: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu\x00', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000080)='cpuset.sched_relax_domain_level\x00', 0x2, 0x0) mmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x1011, r1, 0x0) [ 55.962563] ip6_push_pending_frames+0x218/0x4d0 [ 55.967316] rawv6_sendmsg+0x4500/0x4cc0 [ 55.971378] ? kmsan_set_origin_inline+0x6b/0x120 [ 55.976225] ? futex_wait_queue_me+0x4ba/0x710 [ 55.980806] ? futex_wait_queue_me+0x4ee/0x710 [ 55.985387] ? compat_rawv6_ioctl+0x30/0x30 [ 55.989705] inet_sendmsg+0x48d/0x740 [ 55.993504] ? security_socket_sendmsg+0x9e/0x210 [ 55.998345] ? inet_getname+0x500/0x500 [ 56.002323] sock_write_iter+0x3b9/0x470 [ 56.006392] ? sock_read_iter+0x480/0x480 [ 56.010535] do_iter_readv_writev+0x7bb/0x970 [ 56.015039] ? sock_read_iter+0x480/0x480 [ 56.019188] do_iter_write+0x30d/0xd40 [ 56.023076] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 56.028522] do_writev+0x3c9/0x830 [ 56.032051] ? syscall_return_slowpath+0xe9/0x700 [ 56.036884] SYSC_writev+0x9b/0xb0 [ 56.040411] SyS_writev+0x56/0x80 [ 56.043847] do_syscall_64+0x309/0x430 [ 56.047720] ? SYSC_readv+0xb0/0xb0 [ 56.051329] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 56.056496] RIP: 0033:0x455259 [ 56.059663] RSP: 002b:00007f4a7d233c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 56.067351] RAX: ffffffffffffffda RBX: 00007f4a7d2346d4 RCX: 0000000000455259 [ 56.074597] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 0000000000000013 [ 56.081846] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 56.089093] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 56.096350] R13: 00000000000006cd R14: 00000000006fd3d8 R15: 0000000000000000 [ 56.104024] Dumping ftrace buffer: [ 56.107548] (ftrace buffer empty) [ 56.111228] Kernel Offset: disabled [ 56.114824] Rebooting in 86400 seconds..