[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.653214][ T26] audit: type=1800 audit(1572996299.659:25): pid=8633 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.698024][ T26] audit: type=1800 audit(1572996299.669:26): pid=8633 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.752112][ T26] audit: type=1800 audit(1572996299.669:27): pid=8633 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 '10.128.1.4' (ECDSA) to the list of known hosts. 2019/11/05 23:25:08 parsed 1 programs 2019/11/05 23:25:10 executed programs: 0 syzkaller login: [ 67.929908][ T8804] IPVS: ftp: loaded support on port[0] = 21 [ 67.994947][ T8804] chnl_net:caif_netlink_parms(): no params data found [ 68.024859][ T8804] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.032894][ T8804] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.040856][ T8804] device bridge_slave_0 entered promiscuous mode [ 68.049468][ T8804] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.056628][ T8804] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.064591][ T8804] device bridge_slave_1 entered promiscuous mode [ 68.082420][ T8804] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.093150][ T8804] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.113786][ T8804] team0: Port device team_slave_0 added [ 68.121075][ T8804] team0: Port device team_slave_1 added [ 68.170108][ T8804] device hsr_slave_0 entered promiscuous mode [ 68.237860][ T8804] device hsr_slave_1 entered promiscuous mode [ 68.360226][ T8804] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.367536][ T8804] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.375438][ T8804] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.382624][ T8804] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.484191][ T8804] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.511148][ T3512] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.533429][ T3512] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.579136][ T3512] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.609116][ T3512] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 68.644225][ T8804] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.699088][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.718154][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.725278][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.780924][ T8832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.791195][ T8832] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.798368][ T8832] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.849028][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.868298][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.899162][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.922561][ T8804] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.949308][ T8804] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.970273][ T8832] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.979970][ T8832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.028620][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.036138][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.062023][ T8804] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.471881][ T8877] kasan: CONFIG_KASAN_INLINE enabled [ 69.477195][ T8877] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 69.485245][ T8877] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 69.492165][ T8877] CPU: 0 PID: 8877 Comm: syz-executor.0 Not tainted 5.4.0-rc6 #0 [ 69.499857][ T8877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.509908][ T8877] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 69.515558][ T8877] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e e0 85 06 8a 0f 84 5f ee ff [ 69.535141][ T8877] RSP: 0018:ffff88809439fb48 EFLAGS: 00010006 [ 69.541186][ T8877] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 69.549138][ T8877] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 69.557093][ T8877] RBP: ffff88809439fc60 R08: 0000000000000001 R09: 0000000000000001 [ 69.565062][ T8877] R10: fffffbfff138cd40 R11: ffff8880930c4680 R12: 00000000000010c0 [ 69.573009][ T8877] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 69.580960][ T8877] FS: 00007f513a807700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 69.589863][ T8877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.597032][ T8877] CR2: 000000000075c000 CR3: 00000000a4243000 CR4: 00000000001406f0 [ 69.604985][ T8877] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.612953][ T8877] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.620900][ T8877] Call Trace: [ 69.624177][ T8877] ? __kasan_check_read+0x11/0x20 [ 69.629179][ T8877] ? __lock_acquire+0x16f2/0x4a00 [ 69.634178][ T8877] ? rwlock_bug.part.0+0x90/0x90 [ 69.639089][ T8877] ? lock_acquire+0x190/0x410 [ 69.643741][ T8877] ? mark_held_locks+0xf0/0xf0 [ 69.648505][ T8877] lock_acquire+0x190/0x410 [ 69.652987][ T8877] ? j1939_jsk_del+0x32/0x240 [ 69.657643][ T8877] _raw_spin_lock_bh+0x33/0x50 [ 69.662386][ T8877] ? j1939_jsk_del+0x32/0x240 [ 69.667038][ T8877] j1939_jsk_del+0x32/0x240 [ 69.671539][ T8877] ? lock_sock_nested+0xe2/0x120 [ 69.676456][ T8877] j1939_sk_bind+0x2e2/0x8e0 [ 69.681032][ T8877] __sys_bind+0x239/0x290 [ 69.685359][ T8877] ? __ia32_sys_socketpair+0xf0/0xf0 [ 69.690626][ T8877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 69.696852][ T8877] ? put_timespec64+0xda/0x140 [ 69.701605][ T8877] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 69.707059][ T8877] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 69.712499][ T8877] ? do_syscall_64+0x26/0x760 [ 69.717162][ T8877] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.723205][ T8877] ? do_syscall_64+0x26/0x760 [ 69.727875][ T8877] __x64_sys_bind+0x73/0xb0 [ 69.732360][ T8877] do_syscall_64+0xfa/0x760 [ 69.736843][ T8877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.742709][ T8877] RIP: 0033:0x45a219 [ 69.746583][ T8877] 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 [ 69.766161][ T8877] RSP: 002b:00007f513a806c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 69.774553][ T8877] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 69.782501][ T8877] RDX: 0000000000000018 RSI: 0000000020000000 RDI: 0000000000000003 [ 69.790457][ T8877] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 69.798738][ T8877] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f513a8076d4 [ 69.806695][ T8877] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 69.815096][ T8877] Modules linked in: [ 69.818988][ T8877] ---[ end trace d2d28d1006678e67 ]--- [ 69.824437][ T8877] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 69.830073][ T8877] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e e0 85 06 8a 0f 84 5f ee ff [ 69.849663][ T8877] RSP: 0018:ffff88809439fb48 EFLAGS: 00010006 [ 69.855708][ T8877] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 69.863661][ T8877] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 69.871611][ T8877] RBP: ffff88809439fc60 R08: 0000000000000001 R09: 0000000000000001 [ 69.879558][ T8877] R10: fffffbfff138cd40 R11: ffff8880930c4680 R12: 00000000000010c0 [ 69.887520][ T8877] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 69.895473][ T8877] FS: 00007f513a807700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 69.904382][ T8877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.910942][ T8877] CR2: 000000000075c000 CR3: 00000000a4243000 CR4: 00000000001406f0 [ 69.918901][ T8877] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.926857][ T8877] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.934821][ T8877] Kernel panic - not syncing: Fatal exception in interrupt [ 69.943492][ T8877] Kernel Offset: disabled [ 69.947827][ T8877] Rebooting in 86400 seconds..