[....] 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. [ 65.660549][ T26] kauditd_printk_skb: 8 callbacks suppressed [ 65.660558][ T26] audit: type=1800 audit(1567837525.580:29): pid=9716 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 65.686869][ T26] audit: type=1800 audit(1567837525.590:30): pid=9716 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.29' (ECDSA) to the list of known hosts. 2019/09/07 06:25:37 parsed 1 programs 2019/09/07 06:25:38 executed programs: 0 syzkaller login: [ 78.756790][ T9885] IPVS: ftp: loaded support on port[0] = 21 [ 78.802247][ T9885] chnl_net:caif_netlink_parms(): no params data found [ 78.826603][ T9885] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.833928][ T9885] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.841494][ T9885] device bridge_slave_0 entered promiscuous mode [ 78.848993][ T9885] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.856497][ T9885] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.864024][ T9885] device bridge_slave_1 entered promiscuous mode [ 78.877397][ T9885] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.887699][ T9885] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.902991][ T9885] team0: Port device team_slave_0 added [ 78.909388][ T9885] team0: Port device team_slave_1 added [ 78.954258][ T9885] device hsr_slave_0 entered promiscuous mode [ 79.003019][ T9885] device hsr_slave_1 entered promiscuous mode [ 79.068416][ T9885] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.075706][ T9885] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.083039][ T9885] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.090070][ T9885] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.113298][ T9885] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.123862][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.131824][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.140117][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.147749][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 79.157641][ T9885] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.166745][ T3520] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.175137][ T3520] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.182161][ T3520] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.200544][ T9885] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 79.211109][ T9885] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 79.223694][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.232055][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.239127][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.247020][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.256649][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.264932][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.273370][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.281994][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.289553][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.303654][ T9885] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.878149][ T9996] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 79.886039][ T9996] #PF: supervisor instruction fetch in kernel mode [ 79.892517][ T9996] #PF: error_code(0x0010) - not-present page [ 79.898470][ T9996] PGD 8f454067 P4D 8f454067 PUD 938cc067 PMD 0 [ 79.904696][ T9996] Oops: 0010 [#1] PREEMPT SMP KASAN [ 79.909871][ T9996] CPU: 1 PID: 9996 Comm: syz-executor.0 Not tainted 5.3.0-rc7+ #0 [ 79.917649][ T9996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.927687][ T9996] RIP: 0010:0x0 [ 79.931236][ T9996] Code: Bad RIP value. [ 79.935380][ T9996] RSP: 0018:ffff8880a38c74d8 EFLAGS: 00010246 [ 79.941420][ T9996] RAX: dffffc0000000000 RBX: ffffffff882a51a0 RCX: ffffffff85b40c56 [ 79.949370][ T9996] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888091f7e080 [ 79.957346][ T9996] RBP: ffff8880a38c75d0 R08: ffff8880a8a98580 R09: ffff8880a38c7658 [ 79.965308][ T9996] R10: ffffed1014718ed9 R11: ffff8880a38c76cf R12: ffff888091f7e080 [ 79.973264][ T9996] R13: 0000000000000001 R14: ffff8880a38c75a8 R15: ffffffff882a51a0 [ 79.981221][ T9996] FS: 00007faa1424a700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 79.990253][ T9996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.996816][ T9996] CR2: ffffffffffffffd6 CR3: 0000000090752000 CR4: 00000000001406e0 [ 80.004790][ T9996] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.012761][ T9996] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.020721][ T9996] Call Trace: [ 80.023999][ T9996] tc_bind_tclass+0x13e/0x2f0 [ 80.028670][ T9996] ? qdisc_class_hash_init+0x110/0x110 [ 80.034123][ T9996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.040581][ T9996] ? ns_capable_common+0x93/0x100 [ 80.045737][ T9996] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 80.051441][ T9996] ? qdisc_match_from_root+0x18a/0x280 [ 80.056890][ T9996] tc_ctl_tclass+0xadb/0xcd0 [ 80.061480][ T9996] ? qdisc_tree_reduce_backlog+0x570/0x570 [ 80.067269][ T9996] ? rtnetlink_rcv_msg+0x3d0/0xb00 [ 80.072376][ T9996] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 80.077636][ T9996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.084034][ T9996] ? qdisc_tree_reduce_backlog+0x570/0x570 [ 80.089826][ T9996] rtnetlink_rcv_msg+0x463/0xb00 [ 80.094758][ T9996] ? rtnetlink_put_metrics+0x580/0x580 [ 80.100231][ T9996] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 80.105614][ T9996] ? __copy_skb_header+0x250/0x550 [ 80.110894][ T9996] netlink_rcv_skb+0x177/0x450 [ 80.115655][ T9996] ? rtnetlink_put_metrics+0x580/0x580 [ 80.121097][ T9996] ? netlink_ack+0xb30/0xb30 [ 80.125670][ T9996] ? netlink_deliver_tap+0x254/0xbf0 [ 80.130944][ T9996] rtnetlink_rcv+0x1d/0x30 [ 80.135352][ T9996] netlink_unicast+0x531/0x710 [ 80.140101][ T9996] ? netlink_attachskb+0x7c0/0x7c0 [ 80.145197][ T9996] ? _copy_from_iter_full+0x25d/0x8a0 [ 80.150654][ T9996] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 80.156470][ T9996] ? __check_object_size+0x3d/0x437 [ 80.161651][ T9996] netlink_sendmsg+0x8a5/0xd60 [ 80.166397][ T9996] ? netlink_unicast+0x710/0x710 [ 80.171322][ T9996] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 80.176856][ T9996] ? apparmor_socket_sendmsg+0x2a/0x30 [ 80.182296][ T9996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.188515][ T9996] ? security_socket_sendmsg+0x8d/0xc0 [ 80.193949][ T9996] ? netlink_unicast+0x710/0x710 [ 80.198867][ T9996] sock_sendmsg+0xd7/0x130 [ 80.203258][ T9996] ___sys_sendmsg+0x803/0x920 [ 80.207920][ T9996] ? copy_msghdr_from_user+0x440/0x440 [ 80.213359][ T9996] ? __fget+0xa3/0x560 [ 80.217416][ T9996] ? __fget+0x384/0x560 [ 80.221550][ T9996] ? ksys_dup3+0x3e0/0x3e0 [ 80.225981][ T9996] ? __might_fault+0xfb/0x1e0 [ 80.230635][ T9996] ? __fget_light+0x1a9/0x230 [ 80.235292][ T9996] ? __fdget+0x1b/0x20 [ 80.239337][ T9996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.245567][ T9996] __sys_sendmsg+0x105/0x1d0 [ 80.250139][ T9996] ? __sys_sendmsg_sock+0xd0/0xd0 [ 80.255146][ T9996] ? __x64_sys_clock_gettime+0x16d/0x240 [ 80.260758][ T9996] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 80.266805][ T9996] __x64_sys_sendmsg+0x78/0xb0 [ 80.271549][ T9996] do_syscall_64+0xfd/0x6a0 [ 80.276044][ T9996] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.281925][ T9996] RIP: 0033:0x4598e9 [ 80.285797][ T9996] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.305466][ T9996] RSP: 002b:00007faa14249c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.313853][ T9996] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 [ 80.321804][ T9996] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 80.329753][ T9996] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 80.337721][ T9996] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa1424a6d4 [ 80.345681][ T9996] R13: 00000000004c77fb R14: 00000000004dd098 R15: 00000000ffffffff [ 80.353636][ T9996] Modules linked in: [ 80.357510][ T9996] CR2: 0000000000000000 [ 80.363263][ T9996] ---[ end trace 8b548dfd06b5bfbc ]--- [ 80.368743][ T9996] RIP: 0010:0x0 [ 80.372208][ T9996] Code: Bad RIP value. [ 80.376353][ T9996] RSP: 0018:ffff8880a38c74d8 EFLAGS: 00010246 [ 80.382425][ T9996] RAX: dffffc0000000000 RBX: ffffffff882a51a0 RCX: ffffffff85b40c56 [ 80.390428][ T9996] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888091f7e080 [ 80.398449][ T9996] RBP: ffff8880a38c75d0 R08: ffff8880a8a98580 R09: ffff8880a38c7658 [ 80.406432][ T9996] R10: ffffed1014718ed9 R11: ffff8880a38c76cf R12: ffff888091f7e080 [ 80.414446][ T9996] R13: 0000000000000001 R14: ffff8880a38c75a8 R15: ffffffff882a51a0 [ 80.422411][ T9996] FS: 00007faa1424a700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 80.431365][ T9996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.437972][ T9996] CR2: ffffffffffffffd6 CR3: 0000000090752000 CR4: 00000000001406e0 [ 80.445998][ T9996] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.454003][ T9996] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.461963][ T9996] Kernel panic - not syncing: Fatal exception [ 80.469661][ T9996] Kernel Offset: disabled [ 80.473995][ T9996] Rebooting in 86400 seconds..