[ 35.288548] audit: type=1800 audit(1546618817.011:28): pid=7449 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. [ 35.956933] audit: type=1800 audit(1546618817.771:29): pid=7449 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 [ 35.976617] audit: type=1800 audit(1546618817.771:30): pid=7449 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.82' (ECDSA) to the list of known hosts. 2019/01/04 16:20:29 parsed 1 programs 2019/01/04 16:20:30 executed programs: 0 syzkaller login: [ 48.729448] IPVS: ftp: loaded support on port[0] = 21 [ 48.789517] chnl_net:caif_netlink_parms(): no params data found [ 48.820693] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.827659] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.834814] device bridge_slave_0 entered promiscuous mode [ 48.841893] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.848385] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.855316] device bridge_slave_1 entered promiscuous mode [ 48.871907] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.881115] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.897647] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.905208] team0: Port device team_slave_0 added [ 48.910518] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 48.917773] team0: Port device team_slave_1 added [ 48.923143] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 48.930330] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.014573] device hsr_slave_0 entered promiscuous mode [ 49.083237] device hsr_slave_1 entered promiscuous mode [ 49.153113] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 49.159979] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 49.175086] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.181479] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.188452] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.194824] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.224089] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 49.230484] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.239388] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.248203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.257192] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.265381] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.273893] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.284054] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 49.290111] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.298822] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.306945] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.313347] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.322188] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.330080] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.336448] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.354894] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.363298] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.370841] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.379075] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.389603] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.399048] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.405468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.419712] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.429494] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.610147] kasan: CONFIG_KASAN_INLINE enabled [ 49.614920] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 49.622271] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 49.628489] CPU: 0 PID: 7673 Comm: syz-executor0 Not tainted 4.20.0+ #8 [ 49.635220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.644583] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 49.650104] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 26 25 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 7f 20 49 8d 7f 0e 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 d2 [ 49.668987] RSP: 0018:ffff888085d07120 EFLAGS: 00010203 [ 49.674330] RAX: dffffc0000000000 RBX: ffff8880908f8080 RCX: 0000000000000000 [ 49.681592] RDX: 0000000000000001 RSI: ffffffff87b6b452 RDI: 000000000000000e [ 49.688842] RBP: ffff888085d073e8 R08: ffff88808ef08640 R09: ffff88808d2011d8 [ 49.696094] R10: ffffed1011a40230 R11: ffff88808d201187 R12: ffff888087398860 [ 49.703347] R13: ffff88808d201188 R14: ffff8880908f84e0 R15: 0000000000000000 [ 49.710605] FS: 00007f0d394b5700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 49.718812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.724673] CR2: 00000000004dac90 CR3: 000000009ee7e000 CR4: 00000000001406f0 [ 49.731927] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.739282] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.746531] Call Trace: [ 49.749104] ? __kmalloc_node_track_caller+0x4e/0x70 [ 49.754195] ? __alloc_skb+0x185/0x730 [ 49.758071] ? smc_diag_handler_dump+0x350/0x350 [ 49.762813] ? sock_sendmsg+0xdd/0x130 [ 49.766680] ? ___sys_sendmsg+0x7ec/0x910 [ 49.770808] ? __sys_sendmsg+0x112/0x270 [ 49.774850] ? __sys_sendmsg+0x230/0x270 [ 49.778902] ? do_syscall_64+0x1a3/0x800 [ 49.782958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.788475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.793995] ? check_preemption_disabled+0x48/0x290 [ 49.798995] ? __lock_is_held+0xb6/0x140 [ 49.803045] ? __kmalloc_node_track_caller+0x3d/0x70 [ 49.808132] ? lock_acquire+0x1db/0x570 [ 49.812092] ? smc_diag_dump_proto.isra.0+0xfb/0x3c0 [ 49.817181] ? lock_release+0xc40/0xc40 [ 49.821154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.826675] ? kasan_check_write+0x14/0x20 [ 49.830981] smc_diag_dump_proto.isra.0+0x2e7/0x3c0 [ 49.835987] ? __smc_diag_dump.isra.0+0x2ba0/0x2ba0 [ 49.840985] ? find_held_lock+0x35/0x120 [ 49.845031] smc_diag_dump+0x27/0x80 [ 49.848732] netlink_dump+0x5f2/0x1070 [ 49.852615] ? netlink_broadcast+0x50/0x50 [ 49.856839] __netlink_dump_start+0x5b4/0x7e0 [ 49.861336] smc_diag_handler_dump+0x2a7/0x350 [ 49.865903] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 49.870553] ? lock_downgrade+0x910/0x910 [ 49.874683] ? smc_diag_dump_proto.isra.0+0x3c0/0x3c0 [ 49.879856] ? rcu_read_unlock_special+0x380/0x380 [ 49.884777] sock_diag_rcv_msg+0x322/0x410 [ 49.889008] netlink_rcv_skb+0x17d/0x410 [ 49.893055] ? sock_diag_bind+0x80/0x80 [ 49.897016] ? netlink_ack+0xba0/0xba0 [ 49.900899] sock_diag_rcv+0x2b/0x40 [ 49.904597] netlink_unicast+0x574/0x770 [ 49.908642] ? netlink_attachskb+0x980/0x980 [ 49.913033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.918550] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 49.923550] netlink_sendmsg+0xa05/0xf90 [ 49.927606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.933129] ? netlink_unicast+0x770/0x770 [ 49.937364] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 49.942189] ? apparmor_socket_sendmsg+0x2a/0x30 [ 49.946928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.952450] ? security_socket_sendmsg+0x93/0xc0 [ 49.957187] ? netlink_unicast+0x770/0x770 [ 49.961406] sock_sendmsg+0xdd/0x130 [ 49.965123] ___sys_sendmsg+0x7ec/0x910 [ 49.969083] ? copy_msghdr_from_user+0x570/0x570 [ 49.973820] ? iterate_fd+0x4b0/0x4b0 [ 49.977607] ? __might_fault+0x12b/0x1e0 [ 49.981651] ? find_held_lock+0x35/0x120 [ 49.985695] ? __might_fault+0x12b/0x1e0 [ 49.989739] ? __fget_light+0x2db/0x420 [ 49.993695] ? fget_raw+0x20/0x20 [ 49.997129] ? lock_release+0xc40/0xc40 [ 50.001098] ? trace_hardirqs_off_caller+0x300/0x300 [ 50.006185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.011710] ? __fdget+0x1b/0x20 [ 50.015057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.020577] ? sockfd_lookup_light+0xc2/0x160 [ 50.025057] __sys_sendmsg+0x112/0x270 [ 50.028945] ? __ia32_sys_shutdown+0x80/0x80 [ 50.033344] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.038708] ? trace_hardirqs_off_caller+0x300/0x300 [ 50.043794] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 50.048533] __x64_sys_sendmsg+0x78/0xb0 [ 50.052578] do_syscall_64+0x1a3/0x800 [ 50.056450] ? syscall_return_slowpath+0x5f0/0x5f0 [ 50.061365] ? prepare_exit_to_usermode+0x232/0x3b0 [ 50.066367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.071194] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.076368] RIP: 0033:0x457ec9 [ 50.079544] Code: 6d 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.098538] RSP: 002b:00007f0d394b4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 50.106227] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 50.113479] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000008 [ 50.120730] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.127985] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0d394b56d4 [ 50.135236] R13: 00000000004c5188 R14: 00000000004d8a10 R15: 00000000ffffffff [ 50.142492] Modules linked in: [ 50.146464] ---[ end trace 5ec1d43a94ec4605 ]--- [ 50.151326] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 50.156877] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 26 25 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 7f 20 49 8d 7f 0e 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 d2 [ 50.175787] RSP: 0018:ffff888085d07120 EFLAGS: 00010203 [ 50.181135] RAX: dffffc0000000000 RBX: ffff8880908f8080 RCX: 0000000000000000 [ 50.188401] RDX: 0000000000000001 RSI: ffffffff87b6b452 RDI: 000000000000000e [ 50.195681] RBP: ffff888085d073e8 R08: ffff88808ef08640 R09: ffff88808d2011d8 [ 50.202945] R10: ffffed1011a40230 R11: ffff88808d201187 R12: ffff888087398860 [ 50.210196] R13: ffff88808d201188 R14: ffff8880908f84e0 R15: 0000000000000000 [ 50.217696] FS: 00007f0d394b5700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 50.225918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.231782] CR2: 00000000004dac90 CR3: 000000009ee7e000 CR4: 00000000001406f0 [ 50.239050] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.246329] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.253597] Kernel panic - not syncing: Fatal exception [ 50.259938] Kernel Offset: disabled [ 50.263558] Rebooting in 86400 seconds..