[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 88.913794][ T27] audit: type=1800 audit(1578467499.091:25): pid=9409 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 88.933976][ T27] audit: type=1800 audit(1578467499.091:26): pid=9409 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 88.977499][ T27] audit: type=1800 audit(1578467499.091:27): pid=9409 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 '10.128.0.181' (ECDSA) to the list of known hosts. 2020/01/08 07:11:49 parsed 1 programs 2020/01/08 07:11:51 executed programs: 0 syzkaller login: [ 101.489934][ T9578] IPVS: ftp: loaded support on port[0] = 21 [ 101.555720][ T9578] chnl_net:caif_netlink_parms(): no params data found [ 101.588406][ T9578] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.595938][ T9578] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.604398][ T9578] device bridge_slave_0 entered promiscuous mode [ 101.612961][ T9578] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.620844][ T9578] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.628695][ T9578] device bridge_slave_1 entered promiscuous mode [ 101.646878][ T9578] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.659200][ T9578] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.678096][ T9578] team0: Port device team_slave_0 added [ 101.685990][ T9578] team0: Port device team_slave_1 added [ 101.769989][ T9578] device hsr_slave_0 entered promiscuous mode [ 101.807736][ T9578] device hsr_slave_1 entered promiscuous mode [ 101.901580][ T9578] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 101.960422][ T9578] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 102.030261][ T9578] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 102.080841][ T9578] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 102.138940][ T9578] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.146112][ T9578] bridge0: port 2(bridge_slave_1) entered forwarding state [ 102.153918][ T9578] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.161012][ T9578] bridge0: port 1(bridge_slave_0) entered forwarding state [ 102.201915][ T9578] 8021q: adding VLAN 0 to HW filter on device bond0 [ 102.214200][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 102.225415][ T2724] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.233764][ T2724] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.241679][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 102.254339][ T9578] 8021q: adding VLAN 0 to HW filter on device team0 [ 102.264787][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 102.273271][ T2812] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.280404][ T2812] bridge0: port 1(bridge_slave_0) entered forwarding state [ 102.291998][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 102.300733][ T2724] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.307882][ T2724] bridge0: port 2(bridge_slave_1) entered forwarding state [ 102.328960][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 102.338474][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 102.351085][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 102.358821][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 102.372989][ T9578] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 102.384227][ T9578] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 102.392653][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 102.411386][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 102.418841][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 102.432519][ T9578] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 102.450066][ T2812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 102.469859][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 102.478556][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 102.486200][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 102.496788][ T9578] device veth0_vlan entered promiscuous mode [ 102.509052][ T9578] device veth1_vlan entered promiscuous mode [ 102.548860][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 102.556974][ T2681] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 102.604679][ T9582] kasan: CONFIG_KASAN_INLINE enabled [ 102.610138][ T9582] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 102.618249][ T9582] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 102.625185][ T9582] CPU: 0 PID: 9582 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 102.633860][ T9582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.643909][ T9582] RIP: 0010:hash_ipport4_uadt+0x1f6/0xc20 [ 102.649614][ T9582] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 45 09 00 00 4c 89 ea 45 8b 76 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 e7 [ 102.669199][ T9582] RSP: 0018:ffffc90001ea7160 EFLAGS: 00010246 [ 102.675257][ T9582] RAX: dffffc0000000000 RBX: ffffc90001ea7310 RCX: 0000000000000000 [ 102.683209][ T9582] RDX: 0000000000000000 RSI: ffffffff867c0973 RDI: ffff8880a8650444 [ 102.691157][ T9582] RBP: ffffc90001ea72a8 R08: 0000000000000000 R09: 0000000000000000 [ 102.699116][ T9582] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffffc90001ea7210 [ 102.707062][ T9582] R13: 0000000000000000 R14: 0000000001040000 R15: ffff8880a0207a00 [ 102.715025][ T9582] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f7f6eb40 [ 102.723931][ T9582] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 102.730499][ T9582] CR2: 0000000000000000 CR3: 00000000a49a4000 CR4: 00000000001406f0 [ 102.738450][ T9582] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 102.746397][ T9582] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 102.754344][ T9582] Call Trace: [ 102.757630][ T9582] ? mark_held_locks+0xf0/0xf0 [ 102.762382][ T9582] ? hash_ipport_create+0xa60/0xa60 [ 102.767572][ T9582] ? hash_ipport6_kadt+0x4c0/0x4c0 [ 102.772679][ T9582] ? nla_memcpy+0xb0/0xb0 [ 102.776987][ T9582] ? ip_set_utest+0x4aa/0x890 [ 102.781643][ T9582] ? __kasan_check_read+0x11/0x20 [ 102.786663][ T9582] ip_set_utest+0x55b/0x890 [ 102.791146][ T9582] ? ip_set_put_byindex+0x490/0x490 [ 102.796339][ T9582] ? __mutex_lock+0x458/0x13c0 [ 102.801100][ T9582] ? ip_set_put_byindex+0x490/0x490 [ 102.806275][ T9582] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 102.811202][ T9582] ? nfnetlink_bind+0x2c0/0x2c0 [ 102.816029][ T9582] ? find_held_lock+0x35/0x130 [ 102.820774][ T9582] ? __local_bh_enable_ip+0x15a/0x270 [ 102.826123][ T9582] ? __dev_queue_xmit+0x175c/0x35c0 [ 102.831310][ T9582] ? __local_bh_enable_ip+0x15a/0x270 [ 102.836785][ T9582] ? lockdep_hardirqs_on+0x421/0x5e0 [ 102.842062][ T9582] ? __dev_queue_xmit+0x172e/0x35c0 [ 102.847247][ T9582] ? trace_hardirqs_on+0x67/0x240 [ 102.852250][ T9582] ? __dev_queue_xmit+0x172e/0x35c0 [ 102.857428][ T9582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.863653][ T9582] ? apparmor_capable+0x497/0x900 [ 102.868660][ T9582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.874877][ T9582] ? __kasan_check_read+0x11/0x20 [ 102.879877][ T9582] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 102.885315][ T9582] netlink_rcv_skb+0x177/0x450 [ 102.890072][ T9582] ? nfnetlink_bind+0x2c0/0x2c0 [ 102.894904][ T9582] ? netlink_ack+0xb50/0xb50 [ 102.899496][ T9582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.905753][ T9582] ? ns_capable_common+0x93/0x100 [ 102.910798][ T9582] ? ns_capable+0x20/0x30 [ 102.915105][ T9582] ? __netlink_ns_capable+0x104/0x140 [ 102.920454][ T9582] nfnetlink_rcv+0x1ba/0x460 [ 102.925022][ T9582] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 102.930460][ T9582] ? netlink_deliver_tap+0x24a/0xbe0 [ 102.935725][ T9582] netlink_unicast+0x58c/0x7d0 [ 102.940469][ T9582] ? netlink_attachskb+0x870/0x870 [ 102.945559][ T9582] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 102.951266][ T9582] ? __check_object_size+0x3d/0x437 [ 102.956447][ T9582] netlink_sendmsg+0x91c/0xea0 [ 102.961197][ T9582] ? netlink_unicast+0x7d0/0x7d0 [ 102.966111][ T9582] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 102.971635][ T9582] ? apparmor_socket_sendmsg+0x2a/0x30 [ 102.977097][ T9582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.983354][ T9582] ? security_socket_sendmsg+0x8d/0xc0 [ 102.988817][ T9582] ? netlink_unicast+0x7d0/0x7d0 [ 102.993771][ T9582] sock_sendmsg+0xd7/0x130 [ 102.998170][ T9582] ____sys_sendmsg+0x753/0x880 [ 103.002998][ T9582] ? kernel_sendmsg+0x50/0x50 [ 103.007673][ T9582] ? find_held_lock+0x35/0x130 [ 103.012423][ T9582] ___sys_sendmsg+0x100/0x170 [ 103.017095][ T9582] ? sendmsg_copy_msghdr+0x70/0x70 [ 103.022187][ T9582] ? __kasan_check_read+0x11/0x20 [ 103.027192][ T9582] ? __fget+0x37f/0x550 [ 103.031327][ T9582] ? ksys_dup3+0x3e0/0x3e0 [ 103.035753][ T9582] ? __fget_light+0x1a9/0x230 [ 103.040409][ T9582] ? __fdget+0x1b/0x20 [ 103.044456][ T9582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 103.050691][ T9582] __sys_sendmsg+0x105/0x1d0 [ 103.055267][ T9582] ? __sys_sendmsg_sock+0xc0/0xc0 [ 103.060272][ T9582] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 103.065727][ T9582] ? do_fast_syscall_32+0xd1/0xe16 [ 103.070834][ T9582] ? entry_SYSENTER_compat+0x70/0x7f [ 103.076100][ T9582] ? do_fast_syscall_32+0xd1/0xe16 [ 103.081206][ T9582] __ia32_compat_sys_sendmsg+0x7a/0xb0 [ 103.086654][ T9582] do_fast_syscall_32+0x27b/0xe16 [ 103.091660][ T9582] entry_SYSENTER_compat+0x70/0x7f [ 103.096746][ T9582] RIP: 0023:0xf7f72a39 [ 103.100801][ T9582] Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 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 [ 103.120398][ T9582] RSP: 002b:00000000f7f6e0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172 [ 103.128791][ T9582] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000020000240 [ 103.136746][ T9582] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 103.145673][ T9582] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 103.153636][ T9582] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 103.161599][ T9582] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 103.169554][ T9582] Modules linked in: [ 103.173485][ T9582] ---[ end trace 8ff153a6406038dc ]--- [ 103.178988][ T9582] RIP: 0010:hash_ipport4_uadt+0x1f6/0xc20 [ 103.184703][ T9582] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 45 09 00 00 4c 89 ea 45 8b 76 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 e7 [ 103.204432][ T9582] RSP: 0018:ffffc90001ea7160 EFLAGS: 00010246 [ 103.210541][ T9582] RAX: dffffc0000000000 RBX: ffffc90001ea7310 RCX: 0000000000000000 [ 103.219502][ T9582] RDX: 0000000000000000 RSI: ffffffff867c0973 RDI: ffff8880a8650444 [ 103.227505][ T9582] RBP: ffffc90001ea72a8 R08: 0000000000000000 R09: 0000000000000000 [ 103.235470][ T9582] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffffc90001ea7210 [ 103.243496][ T9582] R13: 0000000000000000 R14: 0000000001040000 R15: ffff8880a0207a00 [ 103.251485][ T9582] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f7f6eb40 [ 103.260429][ T9582] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 103.267005][ T9582] CR2: 0000000000000000 CR3: 00000000a49a4000 CR4: 00000000001406f0 [ 103.275003][ T9582] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 103.282989][ T9582] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 103.290989][ T9582] Kernel panic - not syncing: Fatal exception in interrupt [ 103.299472][ T9582] Kernel Offset: disabled [ 103.303838][ T9582] Rebooting in 86400 seconds..