[ 37.496659] audit: type=1800 audit(1546530626.170:27): pid=7621 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 37.529146] audit: type=1800 audit(1546530626.170:28): pid=7621 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. [ 38.283551] audit: type=1800 audit(1546530627.010:29): pid=7621 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 [ 38.309298] audit: type=1800 audit(1546530627.020:30): pid=7621 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 '10.128.15.209' (ECDSA) to the list of known hosts. 2019/01/03 15:51:25 parsed 1 programs 2019/01/03 15:51:27 executed programs: 0 syzkaller login: [ 98.687334] IPVS: ftp: loaded support on port[0] = 21 [ 98.747917] chnl_net:caif_netlink_parms(): no params data found [ 98.777833] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.784773] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.791914] device bridge_slave_0 entered promiscuous mode [ 98.799189] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.805560] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.812573] device bridge_slave_1 entered promiscuous mode [ 98.827895] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 98.837351] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 98.854846] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 98.862540] team0: Port device team_slave_0 added [ 98.868023] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 98.875136] team0: Port device team_slave_1 added [ 98.880397] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 98.887667] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 98.948108] device hsr_slave_0 entered promiscuous mode [ 98.996800] device hsr_slave_1 entered promiscuous mode [ 99.046612] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 99.053780] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 99.067847] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.074294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.081751] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.088149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.121150] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 99.128627] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.137534] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 99.145874] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 99.166897] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.174716] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.183401] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 99.193724] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 99.200129] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.208912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 99.217491] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.223838] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.245506] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 99.256258] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 99.267913] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 99.275008] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 99.285244] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.291661] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.299399] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 99.307413] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 99.314951] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 99.323027] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 99.331392] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 99.338356] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 99.352291] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 99.362887] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.523733] kasan: CONFIG_KASAN_INLINE enabled [ 99.528563] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 99.535919] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 99.542144] CPU: 1 PID: 7814 Comm: syz-executor0 Not tainted 4.20.0+ #7 [ 99.548877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.558238] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 99.563771] 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 [ 99.582657] RSP: 0018:ffff8880a5887120 EFLAGS: 00010203 [ 99.588005] RAX: dffffc0000000000 RBX: ffff888094bee080 RCX: 0000000000000000 [ 99.595266] RDX: 0000000000000001 RSI: ffffffff87b63662 RDI: 000000000000000e [ 99.602523] RBP: ffff8880a58873e8 R08: ffff888095db04c0 R09: ffff8880a5061158 [ 99.609778] R10: ffffed1014a0c220 R11: ffff8880a5061107 R12: ffff888095c85be0 [ 99.617034] R13: ffff8880a5061108 R14: ffff888094bee4e0 R15: 0000000000000000 [ 99.624292] FS: 00007f9312ad1700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 99.632502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.638454] CR2: 0000000000000000 CR3: 00000000965c7000 CR4: 00000000001406e0 [ 99.645711] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 99.653051] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 99.660303] Call Trace: [ 99.662882] ? __kmalloc_node_track_caller+0x4e/0x70 [ 99.667974] ? __alloc_skb+0x185/0x730 [ 99.671850] ? smc_diag_handler_dump+0x350/0x350 [ 99.676589] ? sock_sendmsg+0xdd/0x130 [ 99.680460] ? ___sys_sendmsg+0x7ec/0x910 [ 99.684592] ? __sys_sendmsg+0x112/0x270 [ 99.688636] ? __sys_sendmsg+0x230/0x270 [ 99.692684] ? do_syscall_64+0x1a3/0x800 [ 99.696729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.702251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.707775] ? check_preemption_disabled+0x48/0x290 [ 99.712779] ? __lock_is_held+0xb6/0x140 [ 99.716826] ? __kmalloc_node_track_caller+0x3d/0x70 [ 99.721923] ? lock_acquire+0x1db/0x570 [ 99.725880] ? smc_diag_dump_proto.isra.0+0xfb/0x3c0 [ 99.730967] ? lock_release+0xc40/0xc40 [ 99.734927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 99.740456] ? kasan_check_write+0x14/0x20 [ 99.744675] smc_diag_dump_proto.isra.0+0x2e7/0x3c0 [ 99.749677] ? __smc_diag_dump.isra.0+0x2ba0/0x2ba0 [ 99.754676] ? find_held_lock+0x35/0x120 [ 99.758733] smc_diag_dump+0x27/0x80 [ 99.762434] netlink_dump+0x5f2/0x1070 [ 99.766307] ? netlink_broadcast+0x50/0x50 [ 99.770534] __netlink_dump_start+0x5b4/0x7e0 [ 99.775192] smc_diag_handler_dump+0x2a7/0x350 [ 99.779757] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 99.784411] ? lock_downgrade+0x910/0x910 [ 99.788544] ? smc_diag_dump_proto.isra.0+0x3c0/0x3c0 [ 99.793720] ? rcu_read_unlock_special+0x380/0x380 [ 99.798637] sock_diag_rcv_msg+0x322/0x410 [ 99.802855] netlink_rcv_skb+0x17d/0x410 [ 99.806900] ? sock_diag_bind+0x80/0x80 [ 99.810861] ? netlink_ack+0xba0/0xba0 [ 99.814737] sock_diag_rcv+0x2b/0x40 [ 99.818436] netlink_unicast+0x574/0x770 [ 99.822482] ? netlink_attachskb+0x980/0x980 [ 99.826972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.832494] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 99.837497] netlink_sendmsg+0xa05/0xf90 [ 99.841550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 99.847080] ? netlink_unicast+0x770/0x770 [ 99.851302] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 99.856131] ? apparmor_socket_sendmsg+0x2a/0x30 [ 99.860869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.866389] ? security_socket_sendmsg+0x93/0xc0 [ 99.871127] ? netlink_unicast+0x770/0x770 [ 99.875348] sock_sendmsg+0xdd/0x130 [ 99.879046] ___sys_sendmsg+0x7ec/0x910 [ 99.883011] ? copy_msghdr_from_user+0x570/0x570 [ 99.887768] ? iterate_fd+0x4b0/0x4b0 [ 99.891558] ? ___might_sleep+0x1e7/0x310 [ 99.895689] ? __might_fault+0x12b/0x1e0 [ 99.899732] ? find_held_lock+0x35/0x120 [ 99.903774] ? __might_fault+0x12b/0x1e0 [ 99.907817] ? __fget_light+0x2db/0x420 [ 99.911774] ? fget_raw+0x20/0x20 [ 99.915210] ? lock_release+0xc40/0xc40 [ 99.919169] ? trace_hardirqs_off_caller+0x300/0x300 [ 99.924256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.929783] ? __fdget+0x1b/0x20 [ 99.933131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 99.938762] ? sockfd_lookup_light+0xc2/0x160 [ 99.943261] __sys_sendmsg+0x112/0x270 [ 99.947138] ? __ia32_sys_shutdown+0x80/0x80 [ 99.951537] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.956886] ? trace_hardirqs_off_caller+0x300/0x300 [ 99.961974] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 99.966721] __x64_sys_sendmsg+0x78/0xb0 [ 99.970768] do_syscall_64+0x1a3/0x800 [ 99.974783] ? syscall_return_slowpath+0x5f0/0x5f0 [ 99.979820] ? prepare_exit_to_usermode+0x232/0x3b0 [ 99.984827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 99.991248] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.996534] RIP: 0033:0x457ec9 [ 99.999725] 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 [ 100.018705] RSP: 002b:00007f9312ad0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 100.026412] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 100.033674] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000007 [ 100.040933] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 100.048258] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9312ad16d4 [ 100.055608] R13: 00000000004c5188 R14: 00000000004d8a10 R15: 00000000ffffffff [ 100.062974] Modules linked in: [ 100.066429] ---[ end trace 832d91d12f774a2c ]--- [ 100.071189] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 100.076747] 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 [ 100.095790] RSP: 0018:ffff8880a5887120 EFLAGS: 00010203 [ 100.101246] RAX: dffffc0000000000 RBX: ffff888094bee080 RCX: 0000000000000000 [ 100.108550] RDX: 0000000000000001 RSI: ffffffff87b63662 RDI: 000000000000000e [ 100.115821] RBP: ffff8880a58873e8 R08: ffff888095db04c0 R09: ffff8880a5061158 [ 100.123195] R10: ffffed1014a0c220 R11: ffff8880a5061107 R12: ffff888095c85be0 [ 100.130566] R13: ffff8880a5061108 R14: ffff888094bee4e0 R15: 0000000000000000 [ 100.137861] FS: 00007f9312ad1700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 100.146111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.151978] CR2: 0000000000000000 CR3: 00000000965c7000 CR4: 00000000001406e0 [ 100.159270] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.166568] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.173829] Kernel panic - not syncing: Fatal exception [ 100.180363] Kernel Offset: disabled [ 100.184030] Rebooting in 86400 seconds..