[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.927307][ T26] audit: type=1800 audit(1579237684.372:25): pid=8561 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.954381][ T26] audit: type=1800 audit(1579237684.372:26): pid=8561 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.008489][ T26] audit: type=1800 audit(1579237684.382:27): pid=8561 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.1.26' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 69.606839][ T8720] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 69.638793][ T8729] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 69.686224][ T8727] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 69.750718][ T8728] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 69.792765][ T8726] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 69.855574][ T8730] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 69.953942][ T8720] bond1: (slave vxcan1): The slave device specified does not support setting the MAC address [ 70.026479][ T8720] bond1: (slave vxcan1): Error -22 calling dev_set_mtu [ 70.109106][ T8753] bond3: (slave vxcan1): The slave device specified does not support setting the MAC address [ 70.135206][ T8753] bond3: (slave vxcan1): Error -22 calling dev_set_mtu [ 70.166702][ T8752] bond2: (slave vxcan1): The slave device specified does not support setting the MAC address [ 70.205417][ T8752] bond2: (slave vxcan1): Error -22 calling dev_set_mtu [ 70.272495][ T8756] bond4: (slave vxcan1): The slave device specified does not support setting the MAC address [ 70.313728][ T8756] bond4: (slave vxcan1): Error -22 calling dev_set_mtu [ 70.388282][ T8757] bond5: (slave vxcan1): The slave device specified does not support setting the MAC address [ 70.439139][ T8757] bond5: (slave vxcan1): Error -22 calling dev_set_mtu [ 70.508271][ T8758] bond6: (slave vxcan1): The slave device specified does not support setting the MAC address [ 70.560954][ T8758] bond6: (slave vxcan1): Error -22 calling dev_set_mtu executing program executing program executing program executing program [ 71.406161][ T8936] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 71.817427][ T8933] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 72.795086][ T8934] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 73.604772][ T8935] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 74.050827][ T8942] bond7: (slave vxcan1): The slave device specified does not support setting the MAC address [ 74.217764][ T8942] bond7: (slave vxcan1): Error -22 calling dev_set_mtu executing program [ 74.883706][ T8993] netlink: 'syz-executor302': attribute type 1 has an invalid length. executing program [ 75.635328][ T9047] netlink: 'syz-executor302': attribute type 1 has an invalid length. executing program executing program executing program executing program [ 76.910283][ T9085] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 77.996107][ T9086] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 78.685407][ T9087] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 79.355407][ T9084] netlink: 'syz-executor302': attribute type 1 has an invalid length. executing program [ 81.957943][ T9159] netlink: 'syz-executor302': attribute type 1 has an invalid length. executing program [ 84.795389][ T9247] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 85.195214][ T9251] bond8: (slave vxcan1): The slave device specified does not support setting the MAC address [ 85.472802][ T9251] bond8: (slave vxcan1): Error -22 calling dev_set_mtu executing program executing program executing program executing program [ 86.020458][ T9287] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 87.034198][ T9285] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 87.615595][ T9288] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 88.285708][ T9286] netlink: 'syz-executor302': attribute type 1 has an invalid length. executing program [ 89.438255][ T9358] netlink: 'syz-executor302': attribute type 1 has an invalid length. executing program [ 90.649358][ T9431] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 91.222041][ T9436] bond9: (slave vxcan1): The slave device specified does not support setting the MAC address [ 91.481254][ T9436] bond9: (slave vxcan1): Error -22 calling dev_set_mtu executing program executing program executing program executing program [ 92.021104][ T9474] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 93.034265][ T9472] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 93.676360][ T9473] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 94.215678][ T9475] netlink: 'syz-executor302': attribute type 1 has an invalid length. executing program [ 95.447029][ T9514] netlink: 'syz-executor302': attribute type 1 has an invalid length. executing program [ 96.551962][ T9580] netlink: 'syz-executor302': attribute type 1 has an invalid length. [ 96.653886][ T9589] bond10: (slave vxcan1): The slave device specified does not support setting the MAC address [ 96.669067][ T9593] kasan: CONFIG_KASAN_INLINE enabled [ 96.674585][ T9593] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 96.682666][ T9593] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 96.689701][ T9593] CPU: 0 PID: 9593 Comm: syz-executor302 Not tainted 5.5.0-rc6-syzkaller #0 [ 96.698365][ T9593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.708428][ T9593] RIP: 0010:can_rx_register+0x43b/0x600 [ 96.713970][ T9593] Code: 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 89 22 8a fa 4c 89 33 4d 89 e5 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 4c 89 e7 e8 c5 21 8a fa 4d 8b 34 24 4c 89 [ 96.733677][ T9593] RSP: 0018:ffffc90003e27d00 EFLAGS: 00010202 [ 96.739729][ T9593] RAX: dffffc0000000000 RBX: ffff8880a77336c8 RCX: ffff88809306a100 [ 96.747739][ T9593] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880a77336c0 [ 96.755698][ T9593] RBP: ffffc90003e27d58 R08: ffffffff87289cd6 R09: fffff520007c4f94 [ 96.763656][ T9593] R10: fffff520007c4f94 R11: 0000000000000000 R12: 0000000000000008 [ 96.771614][ T9593] R13: 0000000000000001 R14: ffff88809fbcf000 R15: ffff8880a7733690 [ 96.779565][ T9593] FS: 00007fb132f26700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 [ 96.788547][ T9593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.795263][ T9593] CR2: 000000000178f590 CR3: 00000000996d6000 CR4: 00000000001406f0 [ 96.803221][ T9593] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.811172][ T9593] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.819120][ T9593] Call Trace: [ 96.822391][ T9593] ? raw_recvmsg+0x5d0/0x5d0 [ 96.826957][ T9593] raw_bind+0x326/0x1230 [ 96.831179][ T9593] __sys_bind+0x2bd/0x3a0 [ 96.835501][ T9593] ? prepare_exit_to_usermode+0x221/0x5b0 [ 96.841197][ T9593] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 96.847004][ T9593] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.852452][ T9593] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 96.858155][ T9593] __x64_sys_bind+0x7a/0x90 [ 96.862638][ T9593] do_syscall_64+0xf7/0x1c0 [ 96.867121][ T9593] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.873053][ T9593] RIP: 0033:0x446ba9 [ 96.877021][ T9593] Code: e8 0c e8 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.896635][ T9593] RSP: 002b:00007fb132f25d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 96.905031][ T9593] RAX: ffffffffffffffda RBX: 00000000006dbc88 RCX: 0000000000446ba9 [ 96.912982][ T9593] RDX: 0000000000000008 RSI: 0000000020000180 RDI: 0000000000000003 [ 96.920938][ T9593] RBP: 00000000006dbc80 R08: 00007fb132f26700 R09: 0000000000000000 [ 96.928905][ T9593] R10: 00007fb132f26700 R11: 0000000000000246 R12: 00000000006dbc8c [ 96.936856][ T9593] R13: 0000000000000000 R14: 0000000000000000 R15: 068500100000003c [ 96.944812][ T9593] Modules linked in: [ 96.948745][ T9593] ---[ end trace 0dedabb13ca8e7d7 ]--- [ 96.954230][ T9593] RIP: 0010:can_rx_register+0x43b/0x600 [ 96.959771][ T9593] Code: 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 89 22 8a fa 4c 89 33 4d 89 e5 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 4c 89 e7 e8 c5 21 8a fa 4d 8b 34 24 4c 89 [ 96.981499][ T9593] RSP: 0018:ffffc90003e27d00 EFLAGS: 00010202 [ 96.987595][ T9593] RAX: dffffc0000000000 RBX: ffff8880a77336c8 RCX: ffff88809306a100 [ 96.995587][ T9593] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880a77336c0 [ 97.003557][ T9593] RBP: ffffc90003e27d58 R08: ffffffff87289cd6 R09: fffff520007c4f94 [ 97.011562][ T9593] R10: fffff520007c4f94 R11: 0000000000000000 R12: 0000000000000008 [ 97.019568][ T9593] R13: 0000000000000001 R14: ffff88809fbcf000 R15: ffff8880a7733690 [ 97.027590][ T9593] FS: 00007fb132f26700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 [ 97.036540][ T9593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.043119][ T9593] CR2: 000000000178f590 CR3: 00000000996d6000 CR4: 00000000001406f0 [ 97.051123][ T9593] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 97.059124][ T9593] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 97.067124][ T9593] Kernel panic - not syncing: Fatal exception in interrupt [ 97.075690][ T9593] Kernel Offset: disabled [ 97.080013][ T9593] Rebooting in 86400 seconds..