[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 82.216736][ T27] kauditd_printk_skb: 4 callbacks suppressed [ 82.216751][ T27] audit: type=1800 audit(1579233918.430:29): pid=10163 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 82.246572][ T27] audit: type=1800 audit(1579233918.440:30): pid=10163 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.165' (ECDSA) to the list of known hosts. syzkaller login: [ 92.485745][T10325] IPVS: ftp: loaded support on port[0] = 21 [ 92.492223][T10319] IPVS: ftp: loaded support on port[0] = 21 [ 92.503399][T10324] IPVS: ftp: loaded support on port[0] = 21 [ 92.506731][T10327] IPVS: ftp: loaded support on port[0] = 21 [ 92.512708][T10323] IPVS: ftp: loaded support on port[0] = 21 [ 92.519556][T10326] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program [ 92.691542][T10335] netlink: 'syz-executor868': attribute type 1 has an invalid length. [ 92.700369][T10331] netlink: 'syz-executor868': attribute type 1 has an invalid length. [ 92.709653][T10329] netlink: 'syz-executor868': attribute type 1 has an invalid length. [ 92.719549][T10334] netlink: 'syz-executor868': attribute type 1 has an invalid length. [ 92.760549][T10337] netlink: 'syz-executor868': attribute type 1 has an invalid length. [ 92.779075][T10341] netlink: 'syz-executor868': attribute type 1 has an invalid length. executing program executing program executing program [ 93.095602][T10347] netlink: 'syz-executor868': attribute type 1 has an invalid length. [ 93.119790][T10349] netlink: 'syz-executor868': attribute type 1 has an invalid length. executing program executing program executing program [ 93.145222][T10351] netlink: 'syz-executor868': attribute type 1 has an invalid length. [ 93.175344][T10356] netlink: 'syz-executor868': attribute type 1 has an invalid length. executing program executing program executing program executing program executing program executing program executing program executing program [ 93.869901][T10383] bond0: (slave vxcan1): The slave device specified does not support setting the MAC address [ 93.880868][T10383] bond0: (slave vxcan1): Error -22 calling dev_set_mtu executing program executing program [ 93.930000][T10387] bond0: (slave vxcan1): The slave device specified does not support setting the MAC address [ 93.940846][T10387] bond0: (slave vxcan1): Error -22 calling dev_set_mtu executing program executing program [ 93.977822][T10390] bond0: (slave vxcan1): The slave device specified does not support setting the MAC address [ 93.988921][T10390] bond0: (slave vxcan1): Error -22 calling dev_set_mtu [ 94.022737][T10394] bond0: (slave vxcan1): The slave device specified does not support setting the MAC address [ 94.034842][T10394] bond0: (slave vxcan1): Error -22 calling dev_set_mtu [ 94.063326][T10397] bond0: (slave vxcan1): The slave device specified does not support setting the MAC address [ 94.074087][T10397] bond0: (slave vxcan1): Error -22 calling dev_set_mtu [ 94.098834][T10400] bond0: (slave vxcan1): The slave device specified does not support setting the MAC address [ 94.110027][T10400] bond0: (slave vxcan1): Error -22 calling dev_set_mtu executing program executing program [ 94.300025][T10407] bond1: (slave vxcan1): The slave device specified does not support setting the MAC address [ 94.310820][T10407] bond1: (slave vxcan1): Error -22 calling dev_set_mtu [ 94.338091][T10410] bond1: (slave vxcan1): The slave device specified does not support setting the MAC address [ 94.349977][T10410] bond1: (slave vxcan1): Error -22 calling dev_set_mtu executing program executing program executing program [ 94.441173][T10416] bond1: (slave vxcan1): The slave device specified does not support setting the MAC address [ 94.452795][T10416] bond1: (slave vxcan1): Error -22 calling dev_set_mtu [ 94.469736][T10417] bond1: (slave vxcan1): The slave device specified does not support setting the MAC address [ 94.480973][T10417] bond1: (slave vxcan1): Error -22 calling dev_set_mtu [ 94.484820][T10423] kasan: CONFIG_KASAN_INLINE enabled [ 94.493551][T10423] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 94.501787][T10423] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 94.508724][T10423] CPU: 0 PID: 10423 Comm: syz-executor868 Not tainted 5.5.0-rc5-syzkaller #0 [ 94.517993][T10423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.528167][T10423] RIP: 0010:can_rx_register+0x325/0x6a0 [ 94.534714][T10423] Code: 49 89 4f 30 80 3c 16 00 0f 85 11 03 00 00 48 8b 8d 30 ff ff ff 48 89 c6 48 ba 00 00 00 00 00 fc ff df 48 c1 ee 03 49 89 4f 38 <80> 3c 16 00 0f 85 d0 02 00 00 48 ba 00 00 00 00 00 fc ff df 4c 89 [ 94.554714][T10423] RSP: 0018:ffffc9000616fbd0 EFLAGS: 00010202 [ 94.561144][T10423] RAX: 0000000000000008 RBX: 0000000000000000 RCX: ffff8880a7f7c000 [ 94.569120][T10423] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff88808fb4e6c8 [ 94.577201][T10423] RBP: ffffc9000616fcb0 R08: ffff888098ae4100 R09: fffff52000c2df68 [ 94.585211][T10423] R10: fffff52000c2df67 R11: 0000000000000003 R12: ffff88809e921e80 [ 94.593203][T10423] R13: 0000000000000000 R14: ffffc9000616fc88 R15: ffff88808fb4e690 [ 94.601236][T10423] FS: 00007f226cf98700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 94.610188][T10423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.616878][T10423] CR2: 00007f226cf97e78 CR3: 00000000a8817000 CR4: 00000000001406f0 [ 94.624950][T10423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.633131][T10423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.641105][T10423] Call Trace: [ 94.644398][T10423] ? raw_enable_filters+0x210/0x210 [ 94.649687][T10423] ? can_sock_destruct+0x30/0x30 [ 94.654926][T10423] ? mark_held_locks+0xa4/0xf0 [ 94.660216][T10423] raw_enable_filters+0xe8/0x210 [ 94.665158][T10423] raw_enable_allfilters+0x89/0x1e0 [ 94.670469][T10423] raw_bind+0x2c8/0x940 [ 94.674646][T10423] ? security_socket_bind+0x8d/0xc0 [ 94.679916][T10423] __sys_bind+0x239/0x290 [ 94.684382][T10423] ? __ia32_sys_socketpair+0xf0/0xf0 [ 94.689675][T10423] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.695483][T10423] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 94.701758][T10423] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 94.707375][T10423] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 94.712865][T10423] ? do_syscall_64+0x26/0x790 [ 94.717557][T10423] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.723912][T10423] ? do_syscall_64+0x26/0x790 [ 94.728611][T10423] __x64_sys_bind+0x73/0xb0 [ 94.733125][T10423] do_syscall_64+0xfa/0x790 [ 94.737748][T10423] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.743684][T10423] RIP: 0033:0x446d19 [ 94.747599][T10423] Code: e8 8c e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 fb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.767403][T10423] RSP: 002b:00007f226cf97d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 94.775819][T10423] RAX: ffffffffffffffda RBX: 00000000006dbc78 RCX: 0000000000446d19 [ 94.783786][T10423] RDX: 0000000000000008 RSI: 0000000020000180 RDI: 0000000000000003 [ 94.791753][T10423] RBP: 00000000006dbc70 R08: 00007f226cf98700 R09: 0000000000000000 [ 94.799717][T10423] R10: 00007f226cf98700 R11: 0000000000000246 R12: 00000000006dbc7c [ 94.807675][T10423] R13: 0000000000000000 R14: 0000000000000000 R15: 068500100000003c [ 94.815642][T10423] Modules linked in: [ 94.819606][T10423] ---[ end trace 2e9c06b72927e039 ]--- [ 94.825197][T10423] RIP: 0010:can_rx_register+0x325/0x6a0 [ 94.830789][T10423] Code: 49 89 4f 30 80 3c 16 00 0f 85 11 03 00 00 48 8b 8d 30 ff ff ff 48 89 c6 48 ba 00 00 00 00 00 fc ff df 48 c1 ee 03 49 89 4f 38 <80> 3c 16 00 0f 85 d0 02 00 00 48 ba 00 00 00 00 00 fc ff df 4c 89 [ 94.850661][T10423] RSP: 0018:ffffc9000616fbd0 EFLAGS: 00010202 [ 94.856726][T10423] RAX: 0000000000000008 RBX: 0000000000000000 RCX: ffff8880a7f7c000 [ 94.864786][T10423] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff88808fb4e6c8 [ 94.872892][T10423] RBP: ffffc9000616fcb0 R08: ffff888098ae4100 R09: fffff52000c2df68 [ 94.880901][T10423] R10: fffff52000c2df67 R11: 0000000000000003 R12: ffff88809e921e80 [ 94.888907][T10423] R13: 0000000000000000 R14: ffffc9000616fc88 R15: ffff88808fb4e690 [ 94.896876][T10423] FS: 00007f226cf98700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 94.905881][T10423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.912656][T10423] CR2: 00007f226cf97e78 CR3: 00000000a8817000 CR4: 00000000001406f0 [ 94.920703][T10423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.928875][T10423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.936864][T10423] Kernel panic - not syncing: Fatal exception in interrupt [ 94.945734][T10423] Kernel Offset: disabled [ 94.950097][T10423] Rebooting in 86400 seconds..