[ 41.398321][ T26] audit: type=1800 audit(1573557580.559:25): pid=7701 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 41.436268][ T26] audit: type=1800 audit(1573557580.559:26): pid=7701 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.466079][ T26] audit: type=1800 audit(1573557580.559:27): pid=7701 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.491359][ T26] audit: type=1800 audit(1573557580.569:28): pid=7701 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.1.32' (ECDSA) to the list of known hosts. 2019/11/12 11:31:24 parsed 1 programs 2019/11/12 11:31:25 executed programs: 0 syzkaller login: [ 746.699178][ T7868] IPVS: ftp: loaded support on port[0] = 21 [ 746.755792][ T7868] chnl_net:caif_netlink_parms(): no params data found [ 746.781824][ T7868] bridge0: port 1(bridge_slave_0) entered blocking state [ 746.789892][ T7868] bridge0: port 1(bridge_slave_0) entered disabled state [ 746.797948][ T7868] device bridge_slave_0 entered promiscuous mode [ 746.805835][ T7868] bridge0: port 2(bridge_slave_1) entered blocking state [ 746.813331][ T7868] bridge0: port 2(bridge_slave_1) entered disabled state [ 746.820935][ T7868] device bridge_slave_1 entered promiscuous mode [ 746.835762][ T7868] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 746.846480][ T7868] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 746.864039][ T7868] team0: Port device team_slave_0 added [ 746.871345][ T7868] team0: Port device team_slave_1 added [ 746.918272][ T7868] device hsr_slave_0 entered promiscuous mode [ 746.956826][ T7868] device hsr_slave_1 entered promiscuous mode [ 747.104068][ T7868] bridge0: port 2(bridge_slave_1) entered blocking state [ 747.111332][ T7868] bridge0: port 2(bridge_slave_1) entered forwarding state [ 747.119307][ T7868] bridge0: port 1(bridge_slave_0) entered blocking state [ 747.126445][ T7868] bridge0: port 1(bridge_slave_0) entered forwarding state [ 747.189191][ T7868] 8021q: adding VLAN 0 to HW filter on device bond0 [ 747.202230][ T7892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 747.238096][ T7892] bridge0: port 1(bridge_slave_0) entered disabled state [ 747.286432][ T7892] bridge0: port 2(bridge_slave_1) entered disabled state [ 747.307523][ T7892] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 747.341561][ T7868] 8021q: adding VLAN 0 to HW filter on device team0 [ 747.369795][ T7892] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 747.387608][ T7892] bridge0: port 1(bridge_slave_0) entered blocking state [ 747.394726][ T7892] bridge0: port 1(bridge_slave_0) entered forwarding state [ 747.438691][ T3026] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 747.448940][ T3026] bridge0: port 2(bridge_slave_1) entered blocking state [ 747.456051][ T3026] bridge0: port 2(bridge_slave_1) entered forwarding state [ 747.488167][ T3026] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 747.528145][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 747.536828][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 747.567971][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 747.579544][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 747.598405][ T7868] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 747.637852][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 747.645320][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 747.657502][ T7868] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/11/12 11:31:30 executed programs: 148 2019/11/12 11:31:35 executed programs: 344 2019/11/12 11:31:40 executed programs: 542 2019/11/12 11:31:45 executed programs: 738 2019/11/12 11:31:50 executed programs: 938 2019/11/12 11:31:55 executed programs: 1138 2019/11/12 11:32:00 executed programs: 1336 2019/11/12 11:32:05 executed programs: 1530 2019/11/12 11:32:10 executed programs: 1732 2019/11/12 11:32:15 executed programs: 1934 2019/11/12 11:32:20 executed programs: 2136 2019/11/12 11:32:25 executed programs: 2336 2019/11/12 11:32:30 executed programs: 2537 2019/11/12 11:32:36 executed programs: 2736 2019/11/12 11:32:41 executed programs: 2932 2019/11/12 11:32:46 executed programs: 3129 2019/11/12 11:32:51 executed programs: 3329 2019/11/12 11:32:56 executed programs: 3526 2019/11/12 11:33:01 executed programs: 3725 2019/11/12 11:33:06 executed programs: 3927 2019/11/12 11:33:11 executed programs: 4127 2019/11/12 11:33:16 executed programs: 4325 2019/11/12 11:33:21 executed programs: 4521 2019/11/12 11:33:26 executed programs: 4720 2019/11/12 11:33:31 executed programs: 4919 2019/11/12 11:33:36 executed programs: 5117 2019/11/12 11:33:41 executed programs: 5315 2019/11/12 11:33:46 executed programs: 5514 2019/11/12 11:33:51 executed programs: 5711 2019/11/12 11:33:56 executed programs: 5911 2019/11/12 11:34:01 executed programs: 6109 2019/11/12 11:34:06 executed programs: 6308 2019/11/12 11:34:11 executed programs: 6504 2019/11/12 11:34:16 executed programs: 6698 2019/11/12 11:34:21 executed programs: 6892 2019/11/12 11:34:26 executed programs: 7085 2019/11/12 11:34:31 executed programs: 7285 2019/11/12 11:34:36 executed programs: 7483 2019/11/12 11:34:41 executed programs: 7682 2019/11/12 11:34:46 executed programs: 7878 2019/11/12 11:34:51 executed programs: 8076 2019/11/12 11:34:56 executed programs: 8275 2019/11/12 11:35:01 executed programs: 8475 2019/11/12 11:35:06 executed programs: 8669 2019/11/12 11:35:11 executed programs: 8863 2019/11/12 11:35:16 executed programs: 9055 2019/11/12 11:35:21 executed programs: 9250 2019/11/12 11:35:26 executed programs: 9446 2019/11/12 11:35:31 executed programs: 9645 2019/11/12 11:35:36 executed programs: 9843 2019/11/12 11:35:41 executed programs: 10040 2019/11/12 11:35:46 executed programs: 10240 2019/11/12 11:35:51 executed programs: 10437 2019/11/12 11:35:56 executed programs: 10635 2019/11/12 11:36:01 executed programs: 10835 2019/11/12 11:36:06 executed programs: 11035 2019/11/12 11:36:11 executed programs: 11231 2019/11/12 11:36:16 executed programs: 11431 2019/11/12 11:36:21 executed programs: 11631 2019/11/12 11:36:26 executed programs: 11826 2019/11/12 11:36:31 executed programs: 12026 2019/11/12 11:36:36 executed programs: 12224 2019/11/12 11:36:41 executed programs: 12419 2019/11/12 11:36:46 executed programs: 12619 2019/11/12 11:36:51 executed programs: 12818 2019/11/12 11:36:56 executed programs: 13018 2019/11/12 11:37:01 executed programs: 13215 2019/11/12 11:37:06 executed programs: 13411 2019/11/12 11:37:11 executed programs: 13609 2019/11/12 11:37:16 executed programs: 13808 2019/11/12 11:37:21 executed programs: 14008 2019/11/12 11:37:26 executed programs: 14205 2019/11/12 11:37:31 executed programs: 14405 2019/11/12 11:37:36 executed programs: 14603 2019/11/12 11:37:41 executed programs: 14798 2019/11/12 11:37:46 executed programs: 14992 2019/11/12 11:37:51 executed programs: 15192 2019/11/12 11:37:56 executed programs: 15390 2019/11/12 11:38:01 executed programs: 15591 2019/11/12 11:38:06 executed programs: 15790 2019/11/12 11:38:11 executed programs: 15987 2019/11/12 11:38:16 executed programs: 16188 2019/11/12 11:38:21 executed programs: 16382 2019/11/12 11:38:26 executed programs: 16580 2019/11/12 11:38:31 executed programs: 16780 2019/11/12 11:38:36 executed programs: 16978 2019/11/12 11:38:41 executed programs: 17175 2019/11/12 11:38:46 executed programs: 17374 2019/11/12 11:38:51 executed programs: 17574 2019/11/12 11:38:56 executed programs: 17771 2019/11/12 11:39:01 executed programs: 17970 2019/11/12 11:39:06 executed programs: 18171 2019/11/12 11:39:11 executed programs: 18369 2019/11/12 11:39:16 executed programs: 18568 2019/11/12 11:39:21 executed programs: 18767 2019/11/12 11:39:26 executed programs: 18969 2019/11/12 11:39:32 executed programs: 19167 2019/11/12 11:39:37 executed programs: 19366 [ 1238.457886][T19913] kasan: CONFIG_KASAN_INLINE enabled [ 1238.464538][T19913] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 1238.473726][T19913] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 1238.481044][T19913] CPU: 0 PID: 19913 Comm: syz-executor.0 Not tainted 5.4.0-rc7+ #0 [ 1238.489429][T19913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1238.500425][T19913] RIP: 0010:j1939_sk_sendmsg+0x5e9/0x1430 [ 1238.506943][T19913] Code: 90 e8 1b 05 c3 fa bf f9 06 00 00 4c 89 f6 e8 3e 09 c3 fa 49 81 fe f9 06 00 00 b9 f9 06 00 00 49 0f 42 ce 48 8b 85 18 ff ff ff <42> 80 3c 28 00 48 8b 9d 10 ff ff ff 48 89 4d 98 74 0c 48 89 df e8 [ 1238.529088][T19913] RSP: 0018:ffff88808efdfb98 EFLAGS: 00010297 [ 1238.535150][T19913] RAX: 0000000000000009 RBX: ffff888096acc548 RCX: 00000000000001f3 [ 1238.543265][T19913] RDX: ffff8880a083a1c0 RSI: 00000000000001f3 RDI: 00000000000006f9 [ 1238.551527][T19913] RBP: ffff88808efdfc90 R08: ffffffff86b051d2 R09: ffffed1012d598a3 [ 1238.559661][T19913] R10: ffffed1012d598a3 R11: 0000000000000000 R12: ffff888096acc000 [ 1238.568009][T19913] R13: dffffc0000000000 R14: 00000000000001f3 R15: ffff88808efdfdc4 [ 1238.576382][T19913] FS: 00007f217a914700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 1238.585567][T19913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1238.592598][T19913] CR2: 000000000075c000 CR3: 00000000a79a0000 CR4: 00000000001406f0 [ 1238.600687][T19913] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1238.608814][T19913] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1238.616809][T19913] Call Trace: [ 1238.620195][T19913] ? security_socket_sendmsg+0xa0/0xd0 [ 1238.625733][T19913] ? j1939_sk_getsockopt+0x3d0/0x3d0 [ 1238.631110][T19913] ___sys_sendmsg+0x60d/0x910 [ 1238.635846][T19913] ? rcu_lock_release+0xd/0x30 [ 1238.641056][T19913] ? rcu_lock_release+0x26/0x30 [ 1238.646038][T19913] ? __fdget+0x17c/0x200 [ 1238.650394][T19913] __x64_sys_sendmsg+0x17c/0x200 [ 1238.655501][T19913] do_syscall_64+0xf7/0x1c0 [ 1238.660165][T19913] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1238.666216][T19913] RIP: 0033:0x45a219 [ 1238.670103][T19913] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1238.690125][T19913] RSP: 002b:00007f217a913c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1238.699022][T19913] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 1238.707271][T19913] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 1238.715235][T19913] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 1238.723510][T19913] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f217a9146d4 [ 1238.732252][T19913] R13: 00000000004c804e R14: 00000000004de4d0 R15: 00000000ffffffff [ 1238.740509][T19913] Modules linked in: [ 1238.746357][T19913] ---[ end trace b1e3754a108bc53a ]--- [ 1238.751977][T19913] RIP: 0010:j1939_sk_sendmsg+0x5e9/0x1430 [ 1238.758197][T19913] Code: 90 e8 1b 05 c3 fa bf f9 06 00 00 4c 89 f6 e8 3e 09 c3 fa 49 81 fe f9 06 00 00 b9 f9 06 00 00 49 0f 42 ce 48 8b 85 18 ff ff ff <42> 80 3c 28 00 48 8b 9d 10 ff ff ff 48 89 4d 98 74 0c 48 89 df e8 [ 1238.778362][T19913] RSP: 0018:ffff88808efdfb98 EFLAGS: 00010297 [ 1238.784662][T19913] RAX: 0000000000000009 RBX: ffff888096acc548 RCX: 00000000000001f3 [ 1238.793033][T19913] RDX: ffff8880a083a1c0 RSI: 00000000000001f3 RDI: 00000000000006f9 [ 1238.801217][T19913] RBP: ffff88808efdfc90 R08: ffffffff86b051d2 R09: ffffed1012d598a3 [ 1238.809224][T19913] R10: ffffed1012d598a3 R11: 0000000000000000 R12: ffff888096acc000 [ 1238.817620][T19913] R13: dffffc0000000000 R14: 00000000000001f3 R15: ffff88808efdfdc4 [ 1238.825885][T19913] FS: 00007f217a914700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 1238.834987][T19913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1238.841879][T19913] CR2: 000000000075c000 CR3: 00000000a79a0000 CR4: 00000000001406f0 [ 1238.849965][T19913] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1238.858038][T19913] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1238.866253][T19913] Kernel panic - not syncing: Fatal exception [ 1238.874491][T19913] Kernel Offset: disabled [ 1238.879005][T19913] Rebooting in 86400 seconds..