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 '10.128.0.13' (ECDSA) to the list of known hosts. net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 syzkaller login: [ 36.178533] ip (3697) used greatest stack depth: 54672 bytes left RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: File exists [ 36.632287] ip (3800) used greatest stack depth: 54200 bytes left RTNETLINK answers: File exists RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: File exists RTNETLINK answers: Operation not supported RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 37.820106] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 37.898501] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 37.916781] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready Cannot find device "vcan0" Cannot find device "vcan0" [ 38.026160] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 38.035772] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready Cannot find device "vcan0" [ 38.116597] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 38.140548] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready Cannot find device "vcan0" [ 38.160896] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "tunl0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "vcan0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" [ 45.495538] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.503472] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.572080] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.588257] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.633717] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.693419] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.776193] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.837711] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.868892] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.875166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.884391] ip (5556) used greatest stack depth: 53976 bytes left [ 45.894390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.910553] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.916792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready Cannot find device "team0" [ 45.934557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.950268] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.960959] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.970663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.034516] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.040805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.049077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" [ 46.075922] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.089210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.100565] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" [ 46.215452] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.221791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.235563] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.281852] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.288252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.298534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" [ 46.324614] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.331863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.354643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" executing program executing program Cannot find device "team0" executing program executing program executing program executing program Cannot find device "team0" Cannot find device "team0" executing program executing program executing program executing program executing program executing program Cannot find device "team0" executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 48.763566] ================================================================== [ 48.770976] BUG: KMSAN: uninit-value in tcp_parse_options+0xd74/0x1a30 [ 48.777730] CPU: 1 PID: 6177 Comm: syzkaller192004 Not tainted 4.16.0+ #83 [ 48.784860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.794202] Call Trace: [ 48.796775] dump_stack+0x185/0x1d0 [ 48.800389] ? tcp_parse_options+0xd74/0x1a30 [ 48.804885] kmsan_report+0x142/0x240 [ 48.808668] __msan_warning_32+0x6c/0xb0 [ 48.812711] tcp_parse_options+0xd74/0x1a30 [ 48.817030] tcp_validate_incoming+0x4f1/0x2790 [ 48.821690] tcp_rcv_established+0xf60/0x2bb0 [ 48.826170] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 48.831514] tcp_v4_do_rcv+0x6cd/0xd90 [ 48.835386] ? inet_sk_rx_dst_set+0x2c0/0x2c0 [ 48.839880] __release_sock+0x2d6/0x680 [ 48.843840] release_sock+0x97/0x2a0 [ 48.847538] tcp_sendmsg+0xd6/0x100 [ 48.851147] ? tcp_sendmsg_locked+0x6d20/0x6d20 [ 48.855795] inet_sendmsg+0x48d/0x740 [ 48.859578] ? security_socket_sendmsg+0x9e/0x210 [ 48.864401] ? inet_getname+0x500/0x500 [ 48.868356] SYSC_sendto+0x6c3/0x7e0 [ 48.872056] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 48.877486] ? prepare_exit_to_usermode+0x149/0x3a0 [ 48.882489] SyS_sendto+0x8a/0xb0 [ 48.885925] do_syscall_64+0x309/0x430 [ 48.889795] ? SYSC_getpeername+0x560/0x560 [ 48.894099] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.899269] RIP: 0033:0x448fe9 [ 48.902439] RSP: 002b:00007fd472c64d38 EFLAGS: 00000216 ORIG_RAX: 000000000000002c [ 48.910127] RAX: ffffffffffffffda RBX: 00000000006e5a30 RCX: 0000000000448fe9 [ 48.917379] RDX: 000000000000029f RSI: 0000000020a88f88 RDI: 0000000000000004 [ 48.924630] RBP: 00000000006e5a34 R08: 0000000020e68000 R09: 0000000000000010 [ 48.931879] R10: 00000000200007fd R11: 0000000000000216 R12: 0000000000000000 [ 48.939136] R13: 00007fff074899ef R14: 00007fd472c659c0 R15: 0000000000000009 [ 48.946393] [ 48.947997] Uninit was created at: [ 48.951524] kmsan_internal_poison_shadow+0xb8/0x1b0 [ 48.956608] kmsan_kmalloc+0x94/0x100 [ 48.960390] kmsan_slab_alloc+0x11/0x20 [ 48.964344] __kmalloc_node_track_caller+0xaed/0x11c0 [ 48.969511] __alloc_skb+0x2cf/0x9f0 [ 48.973202] tcp_send_ack+0x18c/0x910 [ 48.976983] tcp_rcv_established+0x2103/0x2bb0 [ 48.981544] tcp_v4_do_rcv+0x6cd/0xd90 [ 48.985410] __release_sock+0x2d6/0x680 [ 48.989361] release_sock+0x97/0x2a0 [ 48.993059] tcp_sendmsg+0xd6/0x100 [ 48.996665] inet_sendmsg+0x48d/0x740 [ 49.000447] SYSC_sendto+0x6c3/0x7e0 [ 49.004140] SyS_sendto+0x8a/0xb0 [ 49.007573] do_syscall_64+0x309/0x430 [ 49.011441] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 49.016604] ================================================================== [ 49.023938] Disabling lock debugging due to kernel taint [ 49.029363] Kernel panic - not syncing: panic_on_warn set ... [ 49.029363] [ 49.036712] CPU: 1 PID: 6177 Comm: syzkaller192004 Tainted: G B 4.16.0+ #83 [ 49.045001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.054336] Call Trace: [ 49.056907] dump_stack+0x185/0x1d0 [ 49.060518] panic+0x39d/0x940 [ 49.063710] ? tcp_parse_options+0xd74/0x1a30 [ 49.068184] kmsan_report+0x238/0x240 [ 49.071970] __msan_warning_32+0x6c/0xb0 [ 49.076017] tcp_parse_options+0xd74/0x1a30 [ 49.080334] tcp_validate_incoming+0x4f1/0x2790 [ 49.084989] tcp_rcv_established+0xf60/0x2bb0 [ 49.089472] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 49.094815] tcp_v4_do_rcv+0x6cd/0xd90 [ 49.098685] ? inet_sk_rx_dst_set+0x2c0/0x2c0 [ 49.103159] __release_sock+0x2d6/0x680 [ 49.107115] release_sock+0x97/0x2a0 [ 49.110810] tcp_sendmsg+0xd6/0x100 [ 49.114420] ? tcp_sendmsg_locked+0x6d20/0x6d20 [ 49.119066] inet_sendmsg+0x48d/0x740 [ 49.122847] ? security_socket_sendmsg+0x9e/0x210 [ 49.127669] ? inet_getname+0x500/0x500 [ 49.131625] SYSC_sendto+0x6c3/0x7e0 [ 49.135322] ? __msan_metadata_ptr_for_store_4+0x13/0x20 [ 49.140753] ? prepare_exit_to_usermode+0x149/0x3a0 [ 49.145756] SyS_sendto+0x8a/0xb0 [ 49.149191] do_syscall_64+0x309/0x430 [ 49.153063] ? SYSC_getpeername+0x560/0x560 [ 49.157367] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 49.162536] RIP: 0033:0x448fe9 [ 49.165703] RSP: 002b:00007fd472c64d38 EFLAGS: 00000216 ORIG_RAX: 000000000000002c [ 49.173390] RAX: ffffffffffffffda RBX: 00000000006e5a30 RCX: 0000000000448fe9 [ 49.180638] RDX: 000000000000029f RSI: 0000000020a88f88 RDI: 0000000000000004 [ 49.187889] RBP: 00000000006e5a34 R08: 0000000020e68000 R09: 0000000000000010 [ 49.195137] R10: 00000000200007fd R11: 0000000000000216 R12: 0000000000000000 [ 49.202390] R13: 00007fff074899ef R14: 00007fd472c659c0 R15: 0000000000000009 [ 49.210061] Dumping ftrace buffer: [ 49.213577] (ftrace buffer empty) [ 49.217261] Kernel Offset: disabled [ 49.220868] Rebooting in 86400 seconds..