[ 39.352974] audit: type=1800 audit(1547307194.781:25): pid=7750 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 39.388571] audit: type=1800 audit(1547307194.781:26): pid=7750 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 39.444046] audit: type=1800 audit(1547307194.781:27): pid=7750 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 39.467234] audit: type=1800 audit(1547307194.781:28): pid=7750 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.25' (ECDSA) to the list of known hosts. 2019/01/12 15:45:55 parsed 1 programs 2019/01/12 15:45:57 executed programs: 0 syzkaller login: [ 801.913268] IPVS: ftp: loaded support on port[0] = 21 [ 801.971674] chnl_net:caif_netlink_parms(): no params data found [ 802.000385] bridge0: port 1(bridge_slave_0) entered blocking state [ 802.007306] bridge0: port 1(bridge_slave_0) entered disabled state [ 802.014495] device bridge_slave_0 entered promiscuous mode [ 802.021857] bridge0: port 2(bridge_slave_1) entered blocking state [ 802.028927] bridge0: port 2(bridge_slave_1) entered disabled state [ 802.036102] device bridge_slave_1 entered promiscuous mode [ 802.052104] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 802.060782] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 802.077117] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 802.084446] team0: Port device team_slave_0 added [ 802.089840] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 802.097011] team0: Port device team_slave_1 added [ 802.102222] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 802.109500] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 802.174839] device hsr_slave_0 entered promiscuous mode [ 802.212766] device hsr_slave_1 entered promiscuous mode [ 802.293069] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 802.299943] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 802.314496] bridge0: port 2(bridge_slave_1) entered blocking state [ 802.320900] bridge0: port 2(bridge_slave_1) entered forwarding state [ 802.327884] bridge0: port 1(bridge_slave_0) entered blocking state [ 802.334266] bridge0: port 1(bridge_slave_0) entered forwarding state [ 802.366111] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 802.372182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 802.382344] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 802.390577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 802.411011] bridge0: port 1(bridge_slave_0) entered disabled state [ 802.418745] bridge0: port 2(bridge_slave_1) entered disabled state [ 802.426626] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 802.436695] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 802.442966] 8021q: adding VLAN 0 to HW filter on device team0 [ 802.451180] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 802.459141] bridge0: port 1(bridge_slave_0) entered blocking state [ 802.465537] bridge0: port 1(bridge_slave_0) entered forwarding state [ 802.484872] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 802.493244] bridge0: port 2(bridge_slave_1) entered blocking state [ 802.499657] bridge0: port 2(bridge_slave_1) entered forwarding state [ 802.507272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 802.515137] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 802.523196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 802.531011] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 802.541090] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 802.551347] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 802.557402] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 802.570422] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 802.581685] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 802.883812] kasan: CONFIG_KASAN_INLINE enabled [ 802.888612] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 802.896126] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 802.902349] CPU: 1 PID: 8007 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #21 [ 802.909421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 802.918768] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 802.924299] 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 [ 802.943178] RSP: 0018:ffff88809e457120 EFLAGS: 00010203 [ 802.948533] RAX: dffffc0000000000 RBX: ffff8880a83a6100 RCX: 0000000000000000 [ 802.955779] RDX: 0000000000000001 RSI: ffffffff87b6cca2 RDI: 000000000000000e [ 802.963023] RBP: ffff88809e4573e8 R08: ffff8880a5c74240 R09: ffff888085a91634 [ 802.970271] R10: ffffed1010b522bc R11: ffff888085a915e3 R12: ffff8880a80c0a60 [ 802.977519] R13: ffff888085a915e4 R14: ffff8880a83a6560 R15: 0000000000000000 [ 802.984779] FS: 00007fc2500d0700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 802.992981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 802.998839] CR2: 000000000073c000 CR3: 00000000a7df2000 CR4: 00000000001406e0 [ 803.006095] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 803.013340] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 803.020593] Call Trace: [ 803.023159] ? __kmalloc_reserve.isra.0+0x40/0xe0 [ 803.027985] ? netlink_dump+0x7c5/0x1070 [ 803.032026] ? smc_diag_handler_dump+0x350/0x350 [ 803.036808] ? ___sys_sendmsg+0x7ec/0x910 [ 803.040935] ? __sys_sendmsg+0x112/0x270 [ 803.044974] ? __x64_sys_sendmsg+0x78/0xb0 [ 803.049187] ? do_syscall_64+0x110/0x800 [ 803.053226] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 803.058569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.064081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.069595] ? check_preemption_disabled+0x48/0x290 [ 803.074587] ? __lock_is_held+0xb6/0x140 [ 803.078640] ? __kmalloc_node_track_caller+0x3d/0x70 [ 803.083720] ? lock_acquire+0x1db/0x570 [ 803.087678] ? smc_diag_dump_proto.isra.0+0xfb/0x3c0 [ 803.092763] ? lock_release+0xc40/0xc40 [ 803.096715] ? kasan_kmalloc+0x9/0x10 [ 803.100496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.106014] ? kasan_check_write+0x14/0x20 [ 803.110236] smc_diag_dump_proto.isra.0+0x2e7/0x3c0 [ 803.115234] ? __smc_diag_dump.isra.0+0x2ba0/0x2ba0 [ 803.120233] ? find_held_lock+0x35/0x120 [ 803.124275] smc_diag_dump+0x27/0x80 [ 803.127970] netlink_dump+0x5f2/0x1070 [ 803.131864] ? netlink_broadcast+0x50/0x50 [ 803.136085] __netlink_dump_start+0x5b4/0x7e0 [ 803.140563] smc_diag_handler_dump+0x2a7/0x350 [ 803.145124] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 803.149777] ? lock_downgrade+0x910/0x910 [ 803.153910] ? smc_diag_dump_proto.isra.0+0x3c0/0x3c0 [ 803.159082] ? rcu_read_unlock_special+0x380/0x380 [ 803.163993] sock_diag_rcv_msg+0x322/0x410 [ 803.168205] netlink_rcv_skb+0x17d/0x410 [ 803.172244] ? sock_diag_bind+0x80/0x80 [ 803.176199] ? netlink_ack+0xba0/0xba0 [ 803.180072] sock_diag_rcv+0x2b/0x40 [ 803.183763] netlink_unicast+0x574/0x770 [ 803.187918] ? netlink_attachskb+0x980/0x980 [ 803.192309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.197826] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 803.202828] netlink_sendmsg+0xa05/0xf90 [ 803.206871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.212389] ? netlink_unicast+0x770/0x770 [ 803.216604] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 803.221426] ? apparmor_socket_sendmsg+0x2a/0x30 [ 803.226157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.231691] ? security_socket_sendmsg+0x93/0xc0 [ 803.236437] ? netlink_unicast+0x770/0x770 [ 803.240650] sock_sendmsg+0xdd/0x130 [ 803.244343] ___sys_sendmsg+0x7ec/0x910 [ 803.248304] ? copy_msghdr_from_user+0x570/0x570 [ 803.253045] ? iterate_fd+0x4b0/0x4b0 [ 803.256828] ? __might_fault+0x12b/0x1e0 [ 803.260875] ? find_held_lock+0x35/0x120 [ 803.264913] ? __might_fault+0x12b/0x1e0 [ 803.268949] ? __fget_light+0x2db/0x420 [ 803.272901] ? fget_raw+0x20/0x20 [ 803.276333] ? lock_release+0xc40/0xc40 [ 803.280285] ? trace_hardirqs_off_caller+0x300/0x300 [ 803.285365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 803.290884] ? __fdget+0x1b/0x20 [ 803.294228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 803.299742] ? sockfd_lookup_light+0xc2/0x160 [ 803.304232] __sys_sendmsg+0x112/0x270 [ 803.308101] ? __ia32_sys_shutdown+0x80/0x80 [ 803.312495] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 803.317857] ? trace_hardirqs_off_caller+0x300/0x300 [ 803.322939] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 803.327679] __x64_sys_sendmsg+0x78/0xb0 [ 803.331733] do_syscall_64+0x1a3/0x800 [ 803.335605] ? syscall_return_slowpath+0x5f0/0x5f0 [ 803.340527] ? prepare_exit_to_usermode+0x232/0x3b0 [ 803.345529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 803.350353] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 803.355519] RIP: 0033:0x457ec9 [ 803.358691] 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 [ 803.377574] RSP: 002b:00007fc2500cfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 803.385264] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 803.392509] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 803.399762] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 803.407007] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc2500d06d4 [ 803.414260] R13: 00000000004c52f9 R14: 00000000004d8d58 R15: 00000000ffffffff [ 803.421510] Modules linked in: [ 803.424756] ---[ end trace 6afe2173410c5e21 ]--- [ 803.429516] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 803.435066] 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 [ 803.453968] RSP: 0018:ffff88809e457120 EFLAGS: 00010203 [ 803.459327] RAX: dffffc0000000000 RBX: ffff8880a83a6100 RCX: 0000000000000000 [ 803.466627] RDX: 0000000000000001 RSI: ffffffff87b6cca2 RDI: 000000000000000e [ 803.473912] RBP: ffff88809e4573e8 R08: ffff8880a5c74240 R09: ffff888085a91634 [ 803.481179] R10: ffffed1010b522bc R11: ffff888085a915e3 R12: ffff8880a80c0a60 [ 803.488444] R13: ffff888085a915e4 R14: ffff8880a83a6560 R15: 0000000000000000 [ 803.495708] FS: 00007fc2500d0700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 803.503950] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 803.509968] CR2: 000000000073c000 CR3: 00000000a7df2000 CR4: 00000000001406e0 [ 803.517254] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 803.524523] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 803.531773] Kernel panic - not syncing: Fatal exception [ 803.538022] Kernel Offset: disabled [ 803.541644] Rebooting in 86400 seconds..