[ 64.204031][ T26] audit: type=1800 audit(1567874145.510:27): pid=9753 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 64.224385][ T26] audit: type=1800 audit(1567874145.510:28): pid=9753 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 64.991169][ T26] audit: type=1800 audit(1567874146.360:29): pid=9753 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 [ 65.011623][ T26] audit: type=1800 audit(1567874146.360:30): pid=9753 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 '10.128.0.66' (ECDSA) to the list of known hosts. 2019/09/07 16:35:59 parsed 1 programs 2019/09/07 16:36:01 executed programs: 0 syzkaller login: [ 79.747012][ T9919] IPVS: ftp: loaded support on port[0] = 21 [ 79.793234][ T9919] chnl_net:caif_netlink_parms(): no params data found [ 79.815873][ T9919] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.823004][ T9919] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.830621][ T9919] device bridge_slave_0 entered promiscuous mode [ 79.837863][ T9919] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.845205][ T9919] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.852720][ T9919] device bridge_slave_1 entered promiscuous mode [ 79.866678][ T9919] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.876802][ T9919] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.892033][ T9919] team0: Port device team_slave_0 added [ 79.899001][ T9919] team0: Port device team_slave_1 added [ 79.956037][ T9919] device hsr_slave_0 entered promiscuous mode [ 79.994939][ T9919] device hsr_slave_1 entered promiscuous mode [ 80.039625][ T9919] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.046873][ T9919] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.054184][ T9919] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.061267][ T9919] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.085887][ T9919] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.096999][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.116194][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.123798][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.132012][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 80.142182][ T9919] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.151239][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.159892][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.167223][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.185729][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.194081][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.201153][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.209309][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.217712][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.226386][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.234520][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.242926][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.251602][ T9919] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.266577][ T9919] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.335588][ T9934] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 80.343668][ T9934] #PF: supervisor instruction fetch in kernel mode [ 80.350158][ T9934] #PF: error_code(0x0010) - not-present page [ 80.356123][ T9934] PGD 93021067 P4D 93021067 PUD a101e067 PMD 0 [ 80.362407][ T9934] Oops: 0010 [#1] PREEMPT SMP KASAN [ 80.367602][ T9934] CPU: 0 PID: 9934 Comm: syz-executor.0 Not tainted 5.3.0-rc7+ #0 [ 80.375397][ T9934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.385441][ T9934] RIP: 0010:0x0 [ 80.388894][ T9934] Code: Bad RIP value. [ 80.392939][ T9934] RSP: 0018:ffff8880a93df4d8 EFLAGS: 00010246 [ 80.398983][ T9934] RAX: dffffc0000000000 RBX: ffffffff882a54e0 RCX: ffffffff85b3fcc6 [ 80.407034][ T9934] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888090ca8280 [ 80.414992][ T9934] RBP: ffff8880a93df5d0 R08: ffff88809077e100 R09: ffff8880a93df658 [ 80.422956][ T9934] R10: ffffed101527bed9 R11: ffff8880a93df6cf R12: ffff888090ca8280 [ 80.430915][ T9934] R13: 0000000000000001 R14: ffff8880a93df5a8 R15: ffffffff882a54e0 [ 80.438879][ T9934] FS: 00007f691d12c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 80.447786][ T9934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.454346][ T9934] CR2: ffffffffffffffd6 CR3: 000000008e585000 CR4: 00000000001406f0 [ 80.462297][ T9934] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.470245][ T9934] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.478203][ T9934] Call Trace: [ 80.483386][ T9934] tc_bind_tclass+0x13e/0x2f0 [ 80.488046][ T9934] ? qdisc_class_hash_init+0x110/0x110 [ 80.493482][ T9934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.499731][ T9934] ? ns_capable_common+0x93/0x100 [ 80.504743][ T9934] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 80.510507][ T9934] ? qdisc_match_from_root+0x18a/0x280 [ 80.516061][ T9934] tc_ctl_tclass+0xadb/0xcd0 [ 80.520647][ T9934] ? qdisc_tree_reduce_backlog+0x570/0x570 [ 80.526502][ T9934] ? rtnetlink_rcv_msg+0x3d0/0xb00 [ 80.531642][ T9934] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 80.536741][ T9934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.542984][ T9934] ? qdisc_tree_reduce_backlog+0x570/0x570 [ 80.548788][ T9934] rtnetlink_rcv_msg+0x463/0xb00 [ 80.553708][ T9934] ? rtnetlink_put_metrics+0x580/0x580 [ 80.559142][ T9934] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 80.564404][ T9934] ? __copy_skb_header+0x250/0x550 [ 80.569512][ T9934] netlink_rcv_skb+0x177/0x450 [ 80.574261][ T9934] ? rtnetlink_put_metrics+0x580/0x580 [ 80.579703][ T9934] ? netlink_ack+0xb30/0xb30 [ 80.584276][ T9934] ? netlink_deliver_tap+0x254/0xbf0 [ 80.589555][ T9934] rtnetlink_rcv+0x1d/0x30 [ 80.593957][ T9934] netlink_unicast+0x531/0x710 [ 80.598710][ T9934] ? netlink_attachskb+0x7c0/0x7c0 [ 80.603800][ T9934] ? _copy_from_iter_full+0x25d/0x8a0 [ 80.609156][ T9934] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 80.614857][ T9934] ? __check_object_size+0x3d/0x437 [ 80.620207][ T9934] netlink_sendmsg+0x8a5/0xd60 [ 80.624950][ T9934] ? netlink_unicast+0x710/0x710 [ 80.629860][ T9934] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 80.635383][ T9934] ? apparmor_socket_sendmsg+0x2a/0x30 [ 80.640821][ T9934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.647037][ T9934] ? security_socket_sendmsg+0x8d/0xc0 [ 80.652479][ T9934] ? netlink_unicast+0x710/0x710 [ 80.657425][ T9934] sock_sendmsg+0xd7/0x130 [ 80.661824][ T9934] ___sys_sendmsg+0x803/0x920 [ 80.666478][ T9934] ? copy_msghdr_from_user+0x440/0x440 [ 80.671911][ T9934] ? __fget+0xa3/0x560 [ 80.675974][ T9934] ? __fget+0x384/0x560 [ 80.680115][ T9934] ? ksys_dup3+0x3e0/0x3e0 [ 80.684515][ T9934] ? __might_fault+0xfb/0x1e0 [ 80.689175][ T9934] ? __fget_light+0x1a9/0x230 [ 80.693827][ T9934] ? __fdget+0x1b/0x20 [ 80.697874][ T9934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.704100][ T9934] __sys_sendmsg+0x105/0x1d0 [ 80.708757][ T9934] ? __sys_sendmsg_sock+0xd0/0xd0 [ 80.713769][ T9934] ? __x64_sys_clock_gettime+0x16d/0x240 [ 80.719384][ T9934] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 80.725434][ T9934] __x64_sys_sendmsg+0x78/0xb0 [ 80.730176][ T9934] do_syscall_64+0xfd/0x6a0 [ 80.734670][ T9934] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.740557][ T9934] RIP: 0033:0x4598e9 [ 80.744440][ T9934] 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 [ 80.764093][ T9934] RSP: 002b:00007f691d12bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.772493][ T9934] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 [ 80.780448][ T9934] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 80.788405][ T9934] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 80.796366][ T9934] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f691d12c6d4 [ 80.804358][ T9934] R13: 00000000004c77fb R14: 00000000004dd098 R15: 00000000ffffffff [ 80.812335][ T9934] Modules linked in: [ 80.816218][ T9934] CR2: 0000000000000000 [ 80.822546][ T9934] ---[ end trace 107e98f57c0114bc ]--- [ 80.828042][ T9934] RIP: 0010:0x0 [ 80.831509][ T9934] Code: Bad RIP value. [ 80.835607][ T9934] RSP: 0018:ffff8880a93df4d8 EFLAGS: 00010246 [ 80.841781][ T9934] RAX: dffffc0000000000 RBX: ffffffff882a54e0 RCX: ffffffff85b3fcc6 [ 80.849808][ T9934] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888090ca8280 [ 80.857834][ T9934] RBP: ffff8880a93df5d0 R08: ffff88809077e100 R09: ffff8880a93df658 [ 80.865831][ T9934] R10: ffffed101527bed9 R11: ffff8880a93df6cf R12: ffff888090ca8280 [ 80.873803][ T9934] R13: 0000000000000001 R14: ffff8880a93df5a8 R15: ffffffff882a54e0 [ 80.881799][ T9934] FS: 00007f691d12c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 80.890751][ T9934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.897343][ T9934] CR2: ffffffffffffffd6 CR3: 000000008e585000 CR4: 00000000001406f0 [ 80.905326][ T9934] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.913277][ T9934] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.921273][ T9934] Kernel panic - not syncing: Fatal exception [ 80.928710][ T9934] Kernel Offset: disabled [ 80.933032][ T9934] Rebooting in 86400 seconds..