[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.979798][ T26] audit: type=1800 audit(1572923856.168:25): pid=8062 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.015979][ T26] audit: type=1800 audit(1572923856.168:26): pid=8062 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.048730][ T26] audit: type=1800 audit(1572923856.178:27): pid=8062 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 '10.128.0.3' (ECDSA) to the list of known hosts. 2019/11/05 03:17:44 parsed 1 programs 2019/11/05 03:17:46 executed programs: 0 syzkaller login: [ 56.239139][ T8231] IPVS: ftp: loaded support on port[0] = 21 [ 56.296534][ T8231] chnl_net:caif_netlink_parms(): no params data found [ 56.325132][ T8231] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.333770][ T8231] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.341727][ T8231] device bridge_slave_0 entered promiscuous mode [ 56.349964][ T8231] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.357071][ T8231] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.365015][ T8231] device bridge_slave_1 entered promiscuous mode [ 56.381144][ T8231] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.391749][ T8231] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.411080][ T8231] team0: Port device team_slave_0 added [ 56.418951][ T8231] team0: Port device team_slave_1 added [ 56.489567][ T8231] device hsr_slave_0 entered promiscuous mode [ 56.528049][ T8231] device hsr_slave_1 entered promiscuous mode [ 56.639570][ T8231] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.646833][ T8231] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.655019][ T8231] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.662201][ T8231] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.881190][ T8231] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.912456][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.950678][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.987874][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.008308][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.033577][ T8231] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.060208][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.078756][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.085926][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.119945][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.139721][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.146840][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.184930][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.194025][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.205817][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.219277][ T8231] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.231688][ T8231] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.239746][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.248410][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.265147][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.272749][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.284307][ T8231] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.804328][ T8341] kasan: CONFIG_KASAN_INLINE enabled [ 57.809676][ T8341] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 57.817752][ T8341] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 57.824853][ T8341] CPU: 0 PID: 8341 Comm: syz-executor.0 Not tainted 5.4.0-rc6 #0 [ 57.832550][ T8341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.842710][ T8341] RIP: 0010:__lock_acquire+0x86/0x1be0 [ 57.848163][ T8341] Code: 8a 04 30 84 c0 0f 85 66 12 00 00 83 3d 92 24 66 07 00 0f 84 91 12 00 00 83 3d 35 a6 34 07 00 74 34 48 8b 44 24 10 48 c1 e8 03 <80> 3c 30 00 74 14 48 8b 7c 24 10 e8 fa 13 54 00 48 be 00 00 00 00 [ 57.867774][ T8341] RSP: 0018:ffff88809865fb80 EFLAGS: 00010006 [ 57.873911][ T8341] RAX: 0000000000000218 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.881874][ T8341] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 00000000000010c0 [ 57.889841][ T8341] RBP: ffff88809865fcd8 R08: 0000000000000001 R09: 0000000000000000 [ 57.898051][ T8341] R10: fffffbfff117cc5d R11: 0000000000000000 R12: 0000000000000000 [ 57.906091][ T8341] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888098654700 [ 57.914045][ T8341] FS: 00007f68f3c1c700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 57.922954][ T8341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.929515][ T8341] CR2: 000000000075c000 CR3: 00000000a96a2000 CR4: 00000000001406f0 [ 57.937595][ T8341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.945549][ T8341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.953496][ T8341] Call Trace: [ 57.956787][ T8341] ? mark_lock+0x107/0x1650 [ 57.961274][ T8341] ? lock_sock_nested+0xa8/0x120 [ 57.966191][ T8341] ? trace_lock_acquire+0x159/0x1d0 [ 57.971382][ T8341] lock_acquire+0x158/0x250 [ 57.975880][ T8341] ? j1939_sk_bind+0x387/0xac0 [ 57.980770][ T8341] ? j1939_sk_bind+0x387/0xac0 [ 57.985545][ T8341] _raw_spin_lock_bh+0x34/0x50 [ 57.990439][ T8341] ? j1939_sk_bind+0x387/0xac0 [ 57.995192][ T8341] j1939_sk_bind+0x387/0xac0 [ 57.999789][ T8341] __sys_bind+0x2c2/0x3a0 [ 58.004150][ T8341] ? prepare_exit_to_usermode+0x1f7/0x580 [ 58.009863][ T8341] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 58.015609][ T8341] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 58.021054][ T8341] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 58.026756][ T8341] __x64_sys_bind+0x7a/0x90 [ 58.031397][ T8341] do_syscall_64+0xf7/0x1c0 [ 58.035900][ T8341] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.041904][ T8341] RIP: 0033:0x45a219 [ 58.045786][ T8341] 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 [ 58.065385][ T8341] RSP: 002b:00007f68f3c1bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 58.073779][ T8341] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 58.081889][ T8341] RDX: 0000000000000018 RSI: 0000000020000000 RDI: 0000000000000003 [ 58.089855][ T8341] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 58.097840][ T8341] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68f3c1c6d4 [ 58.105930][ T8341] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 58.113903][ T8341] Modules linked in: [ 58.117794][ T8341] ---[ end trace bc0dd162dace32c7 ]--- [ 58.123238][ T8341] RIP: 0010:__lock_acquire+0x86/0x1be0 [ 58.128689][ T8341] Code: 8a 04 30 84 c0 0f 85 66 12 00 00 83 3d 92 24 66 07 00 0f 84 91 12 00 00 83 3d 35 a6 34 07 00 74 34 48 8b 44 24 10 48 c1 e8 03 <80> 3c 30 00 74 14 48 8b 7c 24 10 e8 fa 13 54 00 48 be 00 00 00 00 [ 58.148375][ T8341] RSP: 0018:ffff88809865fb80 EFLAGS: 00010006 [ 58.154471][ T8341] RAX: 0000000000000218 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.162508][ T8341] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 00000000000010c0 [ 58.170459][ T8341] RBP: ffff88809865fcd8 R08: 0000000000000001 R09: 0000000000000000 [ 58.178405][ T8341] R10: fffffbfff117cc5d R11: 0000000000000000 R12: 0000000000000000 [ 58.186354][ T8341] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888098654700 [ 58.194329][ T8341] FS: 00007f68f3c1c700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 58.203242][ T8341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.209818][ T8341] CR2: 000000000075c000 CR3: 00000000a96a2000 CR4: 00000000001406f0 [ 58.217772][ T8341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.225748][ T8341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.233700][ T8341] Kernel panic - not syncing: Fatal exception in interrupt [ 58.242293][ T8341] Kernel Offset: disabled [ 58.246635][ T8341] Rebooting in 86400 seconds..