[ 37.385280] audit: type=1800 audit(1546622897.720:27): pid=7625 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 37.406388] audit: type=1800 audit(1546622897.720:28): pid=7625 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. [ 38.077104] audit: type=1800 audit(1546622898.480:29): pid=7625 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 [ 38.105143] audit: type=1800 audit(1546622898.480:30): pid=7625 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 '10.128.10.35' (ECDSA) to the list of known hosts. 2019/01/04 17:28:38 parsed 1 programs 2019/01/04 17:28:39 executed programs: 0 syzkaller login: [ 59.595797] IPVS: ftp: loaded support on port[0] = 21 [ 59.658695] chnl_net:caif_netlink_parms(): no params data found [ 59.692278] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.699243] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.706556] device bridge_slave_0 entered promiscuous mode [ 59.714269] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.720762] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.727750] device bridge_slave_1 entered promiscuous mode [ 59.747293] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.756449] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.773981] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.781634] team0: Port device team_slave_0 added [ 59.787005] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.794470] team0: Port device team_slave_1 added [ 59.800045] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.807617] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.891416] device hsr_slave_0 entered promiscuous mode [ 59.959806] device hsr_slave_1 entered promiscuous mode [ 60.039723] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 60.046775] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 60.061082] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.067495] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.074592] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.081132] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.113474] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 60.121052] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.128991] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.137827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.158279] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.166215] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.174557] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.186830] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 60.193690] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.202127] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.210549] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.217957] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.241256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.252356] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.259968] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.267877] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.277337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.287419] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.303346] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.314337] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.325428] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 60.332011] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.340458] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.348150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.360228] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 60.369851] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.797792] kasan: CONFIG_KASAN_INLINE enabled [ 60.802643] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 60.810050] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 60.816285] CPU: 0 PID: 7875 Comm: syz-executor0 Not tainted 4.20.0+ #9 [ 60.823031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.832403] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 60.837943] 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 [ 60.856827] RSP: 0018:ffff88809ea57120 EFLAGS: 00010203 [ 60.862170] RAX: dffffc0000000000 RBX: ffff8880a3ef1340 RCX: 0000000000000000 [ 60.869463] RDX: 0000000000000001 RSI: ffffffff87b6b452 RDI: 000000000000000e [ 60.876714] RBP: ffff88809ea573e8 R08: ffff888090c12180 R09: ffff888085731658 [ 60.883968] R10: ffffed1010ae62c0 R11: ffff888085731607 R12: ffff88808acb69a0 [ 60.891238] R13: ffff888085731608 R14: ffff8880a3ef17a0 R15: 0000000000000000 [ 60.898508] FS: 00007fa6f6e90700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 60.906717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.912620] CR2: 00000000004dac90 CR3: 00000000a0b3c000 CR4: 00000000001406f0 [ 60.919872] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.927130] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.934490] Call Trace: [ 60.937067] ? __kmalloc_node_track_caller+0x4e/0x70 [ 60.942154] ? __alloc_skb+0x185/0x730 [ 60.946031] ? smc_diag_handler_dump+0x350/0x350 [ 60.950792] ? sock_sendmsg+0xdd/0x130 [ 60.954662] ? ___sys_sendmsg+0x7ec/0x910 [ 60.958799] ? __sys_sendmsg+0x112/0x270 [ 60.962845] ? __sys_sendmsg+0x230/0x270 [ 60.966888] ? do_syscall_64+0x1a3/0x800 [ 60.970934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.976453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.981975] ? check_preemption_disabled+0x48/0x290 [ 60.986979] ? __lock_is_held+0xb6/0x140 [ 60.991036] ? __kmalloc_node_track_caller+0x3d/0x70 [ 60.996127] ? lock_acquire+0x1db/0x570 [ 61.000085] ? smc_diag_dump_proto.isra.0+0xfb/0x3c0 [ 61.005169] ? lock_release+0xc40/0xc40 [ 61.009128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 61.014651] ? kasan_check_write+0x14/0x20 [ 61.018878] smc_diag_dump_proto.isra.0+0x2e7/0x3c0 [ 61.023888] ? __smc_diag_dump.isra.0+0x2ba0/0x2ba0 [ 61.028907] ? find_held_lock+0x35/0x120 [ 61.032957] smc_diag_dump+0x27/0x80 [ 61.036657] netlink_dump+0x5f2/0x1070 [ 61.040530] ? netlink_broadcast+0x50/0x50 [ 61.044754] __netlink_dump_start+0x5b4/0x7e0 [ 61.049611] smc_diag_handler_dump+0x2a7/0x350 [ 61.054182] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 61.058840] ? lock_downgrade+0x910/0x910 [ 61.062980] ? smc_diag_dump_proto.isra.0+0x3c0/0x3c0 [ 61.068164] ? rcu_read_unlock_special+0x380/0x380 [ 61.073091] sock_diag_rcv_msg+0x322/0x410 [ 61.077323] netlink_rcv_skb+0x17d/0x410 [ 61.081376] ? sock_diag_bind+0x80/0x80 [ 61.085341] ? netlink_ack+0xba0/0xba0 [ 61.089220] sock_diag_rcv+0x2b/0x40 [ 61.092935] netlink_unicast+0x574/0x770 [ 61.096985] ? netlink_attachskb+0x980/0x980 [ 61.101380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.106901] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 61.111905] netlink_sendmsg+0xa05/0xf90 [ 61.115951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 61.121473] ? netlink_unicast+0x770/0x770 [ 61.125691] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 61.130515] ? apparmor_socket_sendmsg+0x2a/0x30 [ 61.135265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.140795] ? security_socket_sendmsg+0x93/0xc0 [ 61.145537] ? netlink_unicast+0x770/0x770 [ 61.149865] sock_sendmsg+0xdd/0x130 [ 61.153568] ___sys_sendmsg+0x7ec/0x910 [ 61.157625] ? copy_msghdr_from_user+0x570/0x570 [ 61.162369] ? iterate_fd+0x4b0/0x4b0 [ 61.166637] ? __might_fault+0x12b/0x1e0 [ 61.170686] ? find_held_lock+0x35/0x120 [ 61.174730] ? __might_fault+0x12b/0x1e0 [ 61.178781] ? __fget_light+0x2db/0x420 [ 61.182740] ? fget_raw+0x20/0x20 [ 61.186194] ? lock_release+0xc40/0xc40 [ 61.190156] ? trace_hardirqs_off_caller+0x300/0x300 [ 61.195243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.200777] ? __fdget+0x1b/0x20 [ 61.204127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 61.209749] ? sockfd_lookup_light+0xc2/0x160 [ 61.214254] __sys_sendmsg+0x112/0x270 [ 61.218125] ? __ia32_sys_shutdown+0x80/0x80 [ 61.222524] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.227873] ? trace_hardirqs_off_caller+0x300/0x300 [ 61.232966] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 61.237709] __x64_sys_sendmsg+0x78/0xb0 [ 61.241753] do_syscall_64+0x1a3/0x800 [ 61.245630] ? syscall_return_slowpath+0x5f0/0x5f0 [ 61.250542] ? prepare_exit_to_usermode+0x232/0x3b0 [ 61.255542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.260370] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.265637] RIP: 0033:0x457ec9 [ 61.268814] 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 [ 61.287788] RSP: 002b:00007fa6f6e8fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.295485] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 61.302735] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000008 [ 61.309988] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 61.317239] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa6f6e906d4 [ 61.324493] R13: 00000000004c5188 R14: 00000000004d8a10 R15: 00000000ffffffff [ 61.331745] Modules linked in: [ 61.335605] ---[ end trace b893f638004bc0d2 ]--- [ 61.340380] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 61.345899] 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 [ 61.364802] RSP: 0018:ffff88809ea57120 EFLAGS: 00010203 [ 61.370164] RAX: dffffc0000000000 RBX: ffff8880a3ef1340 RCX: 0000000000000000 [ 61.377417] RDX: 0000000000000001 RSI: ffffffff87b6b452 RDI: 000000000000000e [ 61.384680] RBP: ffff88809ea573e8 R08: ffff888090c12180 R09: ffff888085731658 [ 61.391943] R10: ffffed1010ae62c0 R11: ffff888085731607 R12: ffff88808acb69a0 [ 61.399210] R13: ffff888085731608 R14: ffff8880a3ef17a0 R15: 0000000000000000 [ 61.406465] FS: 00007fa6f6e90700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 61.414685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.420562] CR2: 00000000004dac90 CR3: 00000000a0b3c000 CR4: 00000000001406f0 [ 61.427831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.435100] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.442379] Kernel panic - not syncing: Fatal exception [ 61.448939] Kernel Offset: disabled [ 61.452564] Rebooting in 86400 seconds..