[ 40.763649] audit: type=1800 audit(1546829595.087:25): pid=7844 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 40.791038] audit: type=1800 audit(1546829595.087:26): pid=7844 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.830112] audit: type=1800 audit(1546829595.097:27): pid=7844 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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. [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts. 2019/01/07 02:53:24 parsed 1 programs 2019/01/07 02:53:26 executed programs: 0 syzkaller login: [ 51.999739] IPVS: ftp: loaded support on port[0] = 21 [ 52.064434] chnl_net:caif_netlink_parms(): no params data found [ 52.097283] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.104144] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.112381] device bridge_slave_0 entered promiscuous mode [ 52.119501] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.125959] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.132923] device bridge_slave_1 entered promiscuous mode [ 52.150154] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 52.159495] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 52.176672] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 52.184300] team0: Port device team_slave_0 added [ 52.189643] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 52.196924] team0: Port device team_slave_1 added [ 52.202170] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 52.209391] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 52.283314] device hsr_slave_0 entered promiscuous mode [ 52.351026] device hsr_slave_1 entered promiscuous mode [ 52.431221] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.438094] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.452677] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.459078] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.466036] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.472431] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.506678] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 52.513033] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.520709] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.529513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.549429] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.556847] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.565181] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.575486] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.581797] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.589958] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.598292] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.604695] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.622102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.629874] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.636275] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.644144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.652901] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.662745] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.674085] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.684504] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 52.695989] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.702760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.709770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.723422] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 52.733939] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.870935] kasan: CONFIG_KASAN_INLINE enabled [ 53.875732] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 53.883332] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 53.889566] CPU: 1 PID: 8268 Comm: syz-executor0 Not tainted 4.20.0+ #13 [ 53.896408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.905767] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 53.911299] 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 [ 53.930192] RSP: 0018:ffff88808b307120 EFLAGS: 00010203 [ 53.935548] RAX: dffffc0000000000 RBX: ffff8880a4a9ea40 RCX: 0000000000000000 [ 53.942806] RDX: 0000000000000001 RSI: ffffffff87b6cca2 RDI: 000000000000000e [ 53.950065] RBP: ffff88808b3073e8 R08: ffff88808a8da340 R09: ffff8880a88720b4 [ 53.957325] R10: ffffed101510e40c R11: ffff8880a8872063 R12: ffff88808c7ce4e0 [ 53.964586] R13: ffff8880a8872064 R14: ffff8880a4a9eea0 R15: 0000000000000000 [ 53.971851] FS: 00007fd7d3c69700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 53.980090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.985957] CR2: 0000000000000000 CR3: 000000009049e000 CR4: 00000000001406e0 [ 53.993222] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.000483] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.007744] Call Trace: [ 54.010344] ? __kmalloc_node_track_caller+0x4e/0x70 [ 54.015467] ? __alloc_skb+0x175/0x730 [ 54.019352] ? smc_diag_handler_dump+0x350/0x350 [ 54.024111] ? sock_sendmsg+0xdd/0x130 [ 54.027993] ? ___sys_sendmsg+0x7ec/0x910 [ 54.032138] ? __sys_sendmsg+0x112/0x270 [ 54.036194] ? __sys_sendmsg+0x260/0x270 [ 54.040250] ? do_syscall_64+0x1a3/0x800 [ 54.044305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.049834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.055367] ? check_preemption_disabled+0x48/0x290 [ 54.060420] ? __lock_is_held+0xb6/0x140 [ 54.064489] ? __kmalloc_node_track_caller+0x3d/0x70 [ 54.069591] ? lock_acquire+0x1db/0x570 [ 54.073565] ? smc_diag_dump_proto.isra.0+0xfb/0x3c0 [ 54.078667] ? lock_release+0xc40/0xc40 [ 54.082638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.088171] ? kasan_check_write+0x14/0x20 [ 54.092412] smc_diag_dump_proto.isra.0+0x2e7/0x3c0 [ 54.097426] ? __smc_diag_dump.isra.0+0x2ba0/0x2ba0 [ 54.102438] ? find_held_lock+0x35/0x120 [ 54.106496] smc_diag_dump+0x27/0x80 [ 54.110207] netlink_dump+0x5f2/0x1070 [ 54.114114] ? netlink_broadcast+0x50/0x50 [ 54.118351] __netlink_dump_start+0x5b4/0x7e0 [ 54.122853] smc_diag_handler_dump+0x2a7/0x350 [ 54.127440] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 54.132104] ? lock_downgrade+0x910/0x910 [ 54.136264] ? smc_diag_dump_proto.isra.0+0x3c0/0x3c0 [ 54.141452] ? rcu_read_unlock_special+0x380/0x380 [ 54.146409] sock_diag_rcv_msg+0x322/0x410 [ 54.150661] netlink_rcv_skb+0x17d/0x410 [ 54.154729] ? sock_diag_bind+0x80/0x80 [ 54.158698] ? netlink_ack+0xba0/0xba0 [ 54.162589] sock_diag_rcv+0x2b/0x40 [ 54.166300] netlink_unicast+0x574/0x770 [ 54.170360] ? netlink_attachskb+0x980/0x980 [ 54.174772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.180305] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 54.185353] netlink_sendmsg+0xa05/0xf90 [ 54.189464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.195001] ? netlink_unicast+0x770/0x770 [ 54.199234] ? smack_socket_sendmsg+0xb1/0x1a0 [ 54.203823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.209352] ? security_socket_sendmsg+0x93/0xc0 [ 54.214105] ? netlink_unicast+0x770/0x770 [ 54.218331] sock_sendmsg+0xdd/0x130 [ 54.222051] ___sys_sendmsg+0x7ec/0x910 [ 54.226025] ? copy_msghdr_from_user+0x570/0x570 [ 54.230772] ? iterate_fd+0x4b0/0x4b0 [ 54.234570] ? __might_fault+0x12b/0x1e0 [ 54.238629] ? find_held_lock+0x35/0x120 [ 54.242684] ? __might_fault+0x12b/0x1e0 [ 54.246739] ? __fget_light+0x2db/0x420 [ 54.250705] ? fget_raw+0x20/0x20 [ 54.254165] ? lock_release+0xc40/0xc40 [ 54.258155] ? trace_hardirqs_off_caller+0x300/0x300 [ 54.263254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 54.268792] ? __fdget+0x1b/0x20 [ 54.272155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 54.277891] ? sockfd_lookup_light+0xc2/0x160 [ 54.282394] __sys_sendmsg+0x112/0x270 [ 54.286282] ? __ia32_sys_shutdown+0x80/0x80 [ 54.290694] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.296067] ? trace_hardirqs_off_caller+0x300/0x300 [ 54.301183] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 54.305934] __x64_sys_sendmsg+0x78/0xb0 [ 54.310008] do_syscall_64+0x1a3/0x800 [ 54.313899] ? syscall_return_slowpath+0x5f0/0x5f0 [ 54.318827] ? prepare_exit_to_usermode+0x232/0x3b0 [ 54.323844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.328687] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.333870] RIP: 0033:0x457ec9 [ 54.337066] 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 [ 54.355966] RSP: 002b:00007fd7d3c68c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 54.363671] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 54.370947] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 54.378209] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.385495] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd7d3c696d4 [ 54.392756] R13: 00000000004c52f9 R14: 00000000004d8d58 R15: 00000000ffffffff [ 54.400019] Modules linked in: [ 54.403269] ---[ end trace f7e0064fab902e23 ]--- [ 54.408047] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 54.413603] 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 [ 54.432526] RSP: 0018:ffff88808b307120 EFLAGS: 00010203 [ 54.437888] RAX: dffffc0000000000 RBX: ffff8880a4a9ea40 RCX: 0000000000000000 [ 54.445171] RDX: 0000000000000001 RSI: ffffffff87b6cca2 RDI: 000000000000000e [ 54.452456] RBP: ffff88808b3073e8 R08: ffff88808a8da340 R09: ffff8880a88720b4 [ 54.459717] R10: ffffed101510e40c R11: ffff8880a8872063 R12: ffff88808c7ce4e0 [ 54.467000] R13: ffff8880a8872064 R14: ffff8880a4a9eea0 R15: 0000000000000000 [ 54.474285] FS: 00007fd7d3c69700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 54.482526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.488405] CR2: 0000000000000000 CR3: 000000009049e000 CR4: 00000000001406e0 [ 54.495691] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.502974] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.510239] Kernel panic - not syncing: Fatal exception [ 54.516534] Kernel Offset: disabled [ 54.520156] Rebooting in 86400 seconds..