[ 40.562508] audit: type=1800 audit(1546417580.695:26): pid=7803 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.581621] audit: type=1800 audit(1546417580.695:27): pid=7803 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.607105] audit: type=1800 audit(1546417580.695:28): pid=7803 uid=0 auid=4294967295 ses=4294967295 subj=_ 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. [ 41.236440] audit: type=1800 audit(1546417581.405:29): pid=7803 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. 2019/01/02 08:26:44 parsed 1 programs 2019/01/02 08:26:45 executed programs: 0 syzkaller login: [ 65.501406] IPVS: ftp: loaded support on port[0] = 21 [ 65.561844] chnl_net:caif_netlink_parms(): no params data found [ 65.594109] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.600962] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.608020] device bridge_slave_0 entered promiscuous mode [ 65.615465] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.622630] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.629743] device bridge_slave_1 entered promiscuous mode [ 65.645627] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 65.655086] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 65.673495] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 65.681238] team0: Port device team_slave_0 added [ 65.686571] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 65.693917] team0: Port device team_slave_1 added [ 65.699335] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 65.706574] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 65.790361] device hsr_slave_0 entered promiscuous mode [ 65.838997] device hsr_slave_1 entered promiscuous mode [ 65.909818] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 65.916976] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 65.931243] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.937793] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.944982] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.951378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.981874] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 65.987966] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.995973] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.004651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.014448] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.022020] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.029411] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.039976] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 66.046130] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.054912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.062982] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.069392] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.090631] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.098241] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.104659] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.112005] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.119964] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.127568] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.135145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.144012] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 66.150230] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.157746] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.171459] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 66.181759] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.266367] kasan: CONFIG_KASAN_INLINE enabled [ 66.271121] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 66.278537] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 66.284755] CPU: 1 PID: 7982 Comm: syz-executor0 Not tainted 4.20.0+ #4 [ 66.291484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.300828] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 66.306347] 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 [ 66.325310] RSP: 0018:ffff88808a29f120 EFLAGS: 00010203 [ 66.330657] RAX: dffffc0000000000 RBX: ffff88807f4d7240 RCX: 0000000000000000 [ 66.337918] RDX: 0000000000000001 RSI: ffffffff87b4e7c2 RDI: 000000000000000e [ 66.345177] RBP: ffff88808a29f3e8 R08: ffff88808d5721c0 R09: ffff888098960e90 [ 66.352429] R10: fffffbfff14a0020 R11: ffffffff8a500103 R12: ffff88808878d760 [ 66.359680] R13: ffff888098960e40 R14: ffff88807f4d76a0 R15: 0000000000000000 [ 66.366929] FS: 00007f6b83b40700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 66.375147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.381019] CR2: 0000000000000000 CR3: 0000000095561000 CR4: 00000000001406e0 [ 66.388284] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.395542] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.402793] Call Trace: [ 66.405368] ? __kmalloc_node_track_caller+0x4e/0x70 [ 66.410546] ? __alloc_skb+0x12d/0x730 [ 66.414420] ? smc_diag_handler_dump+0x350/0x350 [ 66.419159] ? sock_sendmsg+0xdd/0x130 [ 66.423030] ? ___sys_sendmsg+0x7ec/0x910 [ 66.427163] ? __sys_sendmsg+0x112/0x270 [ 66.431206] ? __x64_sys_sendmsg+0x78/0xb0 [ 66.435432] ? do_syscall_64+0x1a3/0x800 [ 66.439491] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.444843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.450365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.455886] ? check_preemption_disabled+0x48/0x290 [ 66.460900] ? __lock_is_held+0xb6/0x140 [ 66.464948] ? __kmalloc_node_track_caller+0x3d/0x70 [ 66.470036] ? lock_acquire+0x1db/0x570 [ 66.473994] ? smc_diag_dump_proto.isra.0+0xfb/0x3c0 [ 66.479084] ? lock_release+0xc40/0xc40 [ 66.483048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 66.488571] ? kasan_check_write+0x14/0x20 [ 66.492794] smc_diag_dump_proto.isra.0+0x2e7/0x3c0 [ 66.497796] ? __smc_diag_dump.isra.0+0x2ba0/0x2ba0 [ 66.502794] ? find_held_lock+0x35/0x120 [ 66.506839] smc_diag_dump+0x27/0x80 [ 66.510538] netlink_dump+0x5f2/0x1070 [ 66.514414] ? netlink_broadcast+0x50/0x50 [ 66.518642] __netlink_dump_start+0x5b4/0x7e0 [ 66.523124] smc_diag_handler_dump+0x2a7/0x350 [ 66.527690] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 66.532358] ? lock_downgrade+0x910/0x910 [ 66.536493] ? smc_diag_dump_proto.isra.0+0x3c0/0x3c0 [ 66.541668] ? rcu_read_unlock_special+0x380/0x380 [ 66.546583] sock_diag_rcv_msg+0x322/0x410 [ 66.550802] netlink_rcv_skb+0x17d/0x410 [ 66.554847] ? sock_diag_bind+0x80/0x80 [ 66.558805] ? netlink_ack+0xba0/0xba0 [ 66.562682] sock_diag_rcv+0x2b/0x40 [ 66.566385] netlink_unicast+0x574/0x770 [ 66.570434] ? netlink_attachskb+0x980/0x980 [ 66.574833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.580356] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 66.585358] netlink_sendmsg+0xa05/0xf90 [ 66.589405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 66.594928] ? netlink_unicast+0x770/0x770 [ 66.599149] ? smack_socket_sendmsg+0xb1/0x1a0 [ 66.603719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.609241] ? security_socket_sendmsg+0x93/0xc0 [ 66.613980] ? netlink_unicast+0x770/0x770 [ 66.618217] sock_sendmsg+0xdd/0x130 [ 66.621917] ___sys_sendmsg+0x7ec/0x910 [ 66.625875] ? copy_msghdr_from_user+0x570/0x570 [ 66.630617] ? iterate_fd+0x4b0/0x4b0 [ 66.634404] ? __might_fault+0x12b/0x1e0 [ 66.638453] ? find_held_lock+0x35/0x120 [ 66.642498] ? __might_fault+0x12b/0x1e0 [ 66.646543] ? __fget_light+0x2db/0x420 [ 66.650499] ? fget_raw+0x20/0x20 [ 66.653937] ? lock_release+0xc40/0xc40 [ 66.657898] ? trace_hardirqs_off_caller+0x300/0x300 [ 66.662990] ? __fdget+0x1b/0x20 [ 66.666344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 66.671863] ? sockfd_lookup_light+0xc2/0x160 [ 66.676347] __sys_sendmsg+0x112/0x270 [ 66.680224] ? __ia32_sys_shutdown+0x80/0x80 [ 66.684619] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.689965] ? trace_hardirqs_off_caller+0x300/0x300 [ 66.695055] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.699796] __x64_sys_sendmsg+0x78/0xb0 [ 66.703848] do_syscall_64+0x1a3/0x800 [ 66.707725] ? syscall_return_slowpath+0x5f0/0x5f0 [ 66.712639] ? prepare_exit_to_usermode+0x232/0x3b0 [ 66.717640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.722468] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.727641] RIP: 0033:0x457ec9 [ 66.730820] 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 [ 66.749704] RSP: 002b:00007f6b83b3fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 66.757394] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 66.764645] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 66.771895] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 66.779163] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6b83b406d4 [ 66.786415] R13: 00000000004c5188 R14: 00000000004d8a10 R15: 00000000ffffffff [ 66.793672] Modules linked in: [ 66.797441] ---[ end trace db4e074cdaa51579 ]--- [ 66.802222] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 66.807746] 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 [ 66.826649] RSP: 0018:ffff88808a29f120 EFLAGS: 00010203 [ 66.832013] RAX: dffffc0000000000 RBX: ffff88807f4d7240 RCX: 0000000000000000 [ 66.839282] RDX: 0000000000000001 RSI: ffffffff87b4e7c2 RDI: 000000000000000e [ 66.846806] RBP: ffff88808a29f3e8 R08: ffff88808d5721c0 R09: ffff888098960e90 [ 66.854078] R10: fffffbfff14a0020 R11: ffffffff8a500103 R12: ffff88808878d760 [ 66.861369] R13: ffff888098960e40 R14: ffff88807f4d76a0 R15: 0000000000000000 [ 66.868638] FS: 00007f6b83b40700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 66.877067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.882980] CR2: 0000000000000000 CR3: 0000000095561000 CR4: 00000000001406e0 [ 66.890260] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.897517] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.904787] Kernel panic - not syncing: Fatal exception [ 66.911296] Kernel Offset: disabled [ 66.914933] Rebooting in 86400 seconds..