[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 38.809687] audit: type=1800 audit(1547309341.688:25): pid=7796 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 38.846505] audit: type=1800 audit(1547309341.698:26): pid=7796 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 38.892876] audit: type=1800 audit(1547309341.698:27): pid=7796 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. 2019/01/12 16:09:13 parsed 1 programs 2019/01/12 16:09:15 executed programs: 0 syzkaller login: [ 52.778880] IPVS: ftp: loaded support on port[0] = 21 [ 52.839625] chnl_net:caif_netlink_parms(): no params data found [ 52.867452] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.874323] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.881306] device bridge_slave_0 entered promiscuous mode [ 52.888637] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.895096] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.902006] device bridge_slave_1 entered promiscuous mode [ 52.917727] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 52.926367] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 52.941822] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 52.949272] team0: Port device team_slave_0 added [ 52.954873] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 52.962139] team0: Port device team_slave_1 added [ 52.967392] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 52.974707] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 53.044082] device hsr_slave_0 entered promiscuous mode [ 53.091977] device hsr_slave_1 entered promiscuous mode [ 53.132382] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 53.139253] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 53.153079] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.159498] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.166311] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.172669] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.205249] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 53.211529] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.220799] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.229535] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.249129] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.256905] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.264774] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 53.274868] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.280964] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.289626] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.297721] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.304314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.323857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.331435] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.337900] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.345214] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.352867] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.360477] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.368229] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.377893] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.387269] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 53.393647] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.405602] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.416021] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.569741] kasan: CONFIG_KASAN_INLINE enabled [ 53.574835] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 53.582290] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 53.588635] CPU: 0 PID: 8000 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #21 [ 53.595772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.605120] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 53.610637] 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 [ 53.629565] RSP: 0018:ffff8880974c70f0 EFLAGS: 00010203 [ 53.634920] RAX: dffffc0000000000 RBX: ffff88808fdba980 RCX: 0000000000000000 [ 53.642312] RDX: 0000000000000001 RSI: ffffffff87b6cca2 RDI: 000000000000000e [ 53.649580] RBP: ffff8880974c73b8 R08: ffff8880916ea700 R09: ffff8880987810f4 [ 53.657008] R10: ffffed10130f0214 R11: ffff8880987810a3 R12: ffff8880917ebbe0 [ 53.664450] R13: ffff8880987810a4 R14: ffff88808fdbade0 R15: 0000000000000000 [ 53.671810] FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f7fa8b40 [ 53.680019] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 53.685879] CR2: 0000000000000000 CR3: 0000000091eec000 CR4: 00000000001406f0 [ 53.693132] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.700379] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.707624] Call Trace: [ 53.710198] ? __kmalloc_reserve.isra.0+0x40/0xe0 [ 53.715021] ? netlink_dump+0x7c5/0x1070 [ 53.719062] ? smc_diag_handler_dump+0x350/0x350 [ 53.723910] ? ___sys_sendmsg+0x7ec/0x910 [ 53.728035] ? __sys_sendmsg+0x112/0x270 [ 53.732100] ? __ia32_compat_sys_sendmsg+0x7a/0xb0 [ 53.737012] ? do_fast_syscall_32+0x290/0xf98 [ 53.741488] ? entry_SYSENTER_compat+0x70/0x7f [ 53.746051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.751567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.757104] ? check_preemption_disabled+0x48/0x290 [ 53.762101] ? __lock_is_held+0xb6/0x140 [ 53.766263] ? __kmalloc_node_track_caller+0x3d/0x70 [ 53.771351] ? lock_acquire+0x1db/0x570 [ 53.775305] ? smc_diag_dump_proto.isra.0+0xfb/0x3c0 [ 53.780391] ? lock_release+0xc40/0xc40 [ 53.784349] ? kasan_kmalloc+0x9/0x10 [ 53.788131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 53.793659] ? kasan_check_write+0x14/0x20 [ 53.797872] smc_diag_dump_proto.isra.0+0x2e7/0x3c0 [ 53.802882] ? __smc_diag_dump.isra.0+0x2ba0/0x2ba0 [ 53.807878] ? find_held_lock+0x35/0x120 [ 53.812038] smc_diag_dump+0x27/0x80 [ 53.815754] netlink_dump+0x5f2/0x1070 [ 53.819624] ? netlink_broadcast+0x50/0x50 [ 53.823843] __netlink_dump_start+0x5b4/0x7e0 [ 53.828328] smc_diag_handler_dump+0x2a7/0x350 [ 53.832894] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 53.837543] ? lock_downgrade+0x910/0x910 [ 53.841677] ? smc_diag_dump_proto.isra.0+0x3c0/0x3c0 [ 53.846855] ? rcu_read_unlock_special+0x380/0x380 [ 53.851769] sock_diag_rcv_msg+0x322/0x410 [ 53.855986] netlink_rcv_skb+0x17d/0x410 [ 53.860039] ? sock_diag_bind+0x80/0x80 [ 53.864013] ? netlink_ack+0xba0/0xba0 [ 53.867905] sock_diag_rcv+0x2b/0x40 [ 53.871604] netlink_unicast+0x574/0x770 [ 53.875654] ? netlink_attachskb+0x980/0x980 [ 53.880062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.885581] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 53.890681] netlink_sendmsg+0xa05/0xf90 [ 53.894837] ? netlink_unicast+0x770/0x770 [ 53.899056] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 53.903901] ? apparmor_socket_sendmsg+0x2a/0x30 [ 53.908644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.914181] ? security_socket_sendmsg+0x93/0xc0 [ 53.918924] ? netlink_unicast+0x770/0x770 [ 53.923143] sock_sendmsg+0xdd/0x130 [ 53.926835] ___sys_sendmsg+0x7ec/0x910 [ 53.930791] ? copy_msghdr_from_user+0x570/0x570 [ 53.935632] ? iterate_fd+0x4b0/0x4b0 [ 53.939421] ? __might_fault+0x12b/0x1e0 [ 53.943465] ? find_held_lock+0x35/0x120 [ 53.947527] ? __might_fault+0x12b/0x1e0 [ 53.951593] ? __fget_light+0x2db/0x420 [ 53.955552] ? fget_raw+0x20/0x20 [ 53.958984] ? lock_release+0xc40/0xc40 [ 53.962942] ? trace_hardirqs_off_caller+0x300/0x300 [ 53.968040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.973667] ? __fdget+0x1b/0x20 [ 53.977016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 53.982537] ? sockfd_lookup_light+0xc2/0x160 [ 53.987035] __sys_sendmsg+0x112/0x270 [ 53.990920] ? __ia32_sys_shutdown+0x80/0x80 [ 53.995313] ? entry_SYSENTER_compat+0x70/0x7f [ 53.999894] ? trace_hardirqs_off_caller+0x300/0x300 [ 54.004979] __ia32_compat_sys_sendmsg+0x7a/0xb0 [ 54.009717] do_fast_syscall_32+0x333/0xf98 [ 54.014018] ? do_int80_syscall_32+0x880/0x880 [ 54.018581] ? trace_hardirqs_off+0x310/0x310 [ 54.023057] ? syscall_return_slowpath+0x3b0/0x5f0 [ 54.027963] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 54.033110] ? __switch_to_asm+0x34/0x70 [ 54.037164] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.042060] entry_SYSENTER_compat+0x70/0x7f [ 54.046467] RIP: 0023:0xf7fac869 [ 54.049844] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 54.068742] RSP: 002b:00000000f7fa80cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172 [ 54.076642] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000020000040 [ 54.083919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 54.091283] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 54.098566] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 54.105902] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.113154] Modules linked in: [ 54.116826] ---[ end trace 54fb8ee2d0176f09 ]--- [ 54.121604] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 54.127244] 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 [ 54.146155] RSP: 0018:ffff8880974c70f0 EFLAGS: 00010203 [ 54.151501] RAX: dffffc0000000000 RBX: ffff88808fdba980 RCX: 0000000000000000 [ 54.158769] RDX: 0000000000000001 RSI: ffffffff87b6cca2 RDI: 000000000000000e [ 54.166035] RBP: ffff8880974c73b8 R08: ffff8880916ea700 R09: ffff8880987810f4 [ 54.173312] R10: ffffed10130f0214 R11: ffff8880987810a3 R12: ffff8880917ebbe0 [ 54.180564] R13: ffff8880987810a4 R14: ffff88808fdbade0 R15: 0000000000000000 [ 54.187832] FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f7fa8b40 [ 54.196053] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 54.201930] CR2: 0000000000000000 CR3: 0000000091eec000 CR4: 00000000001406f0 [ 54.209187] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.216587] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.223871] Kernel panic - not syncing: Fatal exception [ 54.230100] Kernel Offset: disabled [ 54.233720] Rebooting in 86400 seconds..