[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 55.564830][ T26] audit: type=1800 audit(1572998654.621:25): pid=8587 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 55.584762][ T26] audit: type=1800 audit(1572998654.621:26): pid=8587 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 55.705294][ T26] audit: type=1800 audit(1572998654.761:27): pid=8587 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 '10.128.1.45' (ECDSA) to the list of known hosts. 2019/11/06 00:04:25 parsed 1 programs 2019/11/06 00:04:27 executed programs: 0 syzkaller login: [ 68.507861][ T8755] IPVS: ftp: loaded support on port[0] = 21 [ 68.568866][ T8755] chnl_net:caif_netlink_parms(): no params data found [ 68.595338][ T8755] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.603268][ T8755] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.610959][ T8755] device bridge_slave_0 entered promiscuous mode [ 68.618863][ T8755] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.625934][ T8755] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.633707][ T8755] device bridge_slave_1 entered promiscuous mode [ 68.650890][ T8755] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.661479][ T8755] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.680445][ T8755] team0: Port device team_slave_0 added [ 68.688472][ T8755] team0: Port device team_slave_1 added [ 68.748320][ T8755] device hsr_slave_0 entered promiscuous mode [ 68.786373][ T8755] device hsr_slave_1 entered promiscuous mode [ 68.894771][ T8755] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.902020][ T8755] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.909844][ T8755] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.916964][ T8755] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.069765][ T8755] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.099127][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.127384][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.146772][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.167441][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.212490][ T8755] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.247073][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.266937][ T3509] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.274027][ T3509] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.317084][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.346715][ T3509] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.353805][ T3509] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.389085][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.417772][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.457438][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.491347][ T8755] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.518527][ T8755] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.538793][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.548720][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.588085][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.595530][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.622532][ T8755] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.164279][ T8863] kasan: CONFIG_KASAN_INLINE enabled [ 70.169591][ T8863] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 70.177655][ T8863] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 70.184598][ T8863] CPU: 0 PID: 8863 Comm: syz-executor.0 Not tainted 5.4.0-rc6 #0 [ 70.192287][ T8863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.202329][ T8863] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 70.207939][ T8863] 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 [ 70.227521][ T8863] RSP: 0018:ffff88808987fb48 EFLAGS: 00010006 [ 70.233564][ T8863] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 70.241512][ T8863] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 70.249460][ T8863] RBP: ffff88808987fc60 R08: 0000000000000001 R09: 0000000000000001 [ 70.257452][ T8863] R10: fffffbfff138cd40 R11: ffff8880a765e6c0 R12: 00000000000010c0 [ 70.265397][ T8863] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 70.273348][ T8863] FS: 00007f6e8466c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 70.282282][ T8863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.288838][ T8863] CR2: 000000000075c000 CR3: 000000009c0ce000 CR4: 00000000001406f0 [ 70.296788][ T8863] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.304733][ T8863] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.312675][ T8863] Call Trace: [ 70.315946][ T8863] ? __kasan_check_read+0x11/0x20 [ 70.320946][ T8863] ? __lock_acquire+0x16f2/0x4a00 [ 70.325990][ T8863] ? rwlock_bug.part.0+0x90/0x90 [ 70.330940][ T8863] ? lock_acquire+0x190/0x410 [ 70.335593][ T8863] ? mark_held_locks+0xf0/0xf0 [ 70.340372][ T8863] lock_acquire+0x190/0x410 [ 70.344861][ T8863] ? j1939_jsk_del+0x32/0x240 [ 70.349515][ T8863] _raw_spin_lock_bh+0x33/0x50 [ 70.354253][ T8863] ? j1939_jsk_del+0x32/0x240 [ 70.358904][ T8863] j1939_jsk_del+0x32/0x240 [ 70.363395][ T8863] ? lock_sock_nested+0xe2/0x120 [ 70.368310][ T8863] j1939_sk_bind+0x2e2/0x8e0 [ 70.372888][ T8863] __sys_bind+0x239/0x290 [ 70.377204][ T8863] ? __ia32_sys_socketpair+0xf0/0xf0 [ 70.382469][ T8863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 70.388687][ T8863] ? put_timespec64+0xda/0x140 [ 70.393431][ T8863] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 70.398972][ T8863] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 70.404422][ T8863] ? do_syscall_64+0x26/0x760 [ 70.409081][ T8863] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.415123][ T8863] ? do_syscall_64+0x26/0x760 [ 70.419776][ T8863] __x64_sys_bind+0x73/0xb0 [ 70.424263][ T8863] do_syscall_64+0xfa/0x760 [ 70.428748][ T8863] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.434625][ T8863] RIP: 0033:0x45a219 [ 70.438496][ T8863] 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 [ 70.458073][ T8863] RSP: 002b:00007f6e8466bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 70.466458][ T8863] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 70.474407][ T8863] RDX: 0000000000000018 RSI: 0000000020000000 RDI: 0000000000000003 [ 70.482353][ T8863] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 70.490306][ T8863] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6e8466c6d4 [ 70.498263][ T8863] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 70.506207][ T8863] Modules linked in: [ 70.510093][ T8863] ---[ end trace 5aa8ff0349697da0 ]--- [ 70.515539][ T8863] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 70.521160][ T8863] 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 [ 70.540746][ T8863] RSP: 0018:ffff88808987fb48 EFLAGS: 00010006 [ 70.547323][ T8863] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 70.555277][ T8863] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 70.563223][ T8863] RBP: ffff88808987fc60 R08: 0000000000000001 R09: 0000000000000001 [ 70.571168][ T8863] R10: fffffbfff138cd40 R11: ffff8880a765e6c0 R12: 00000000000010c0 [ 70.579114][ T8863] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 70.587063][ T8863] FS: 00007f6e8466c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 70.595974][ T8863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.602529][ T8863] CR2: 000000000075c000 CR3: 000000009c0ce000 CR4: 00000000001406f0 [ 70.610474][ T8863] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.618520][ T8863] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.626465][ T8863] Kernel panic - not syncing: Fatal exception in interrupt [ 70.634887][ T8863] Kernel Offset: disabled [ 70.639199][ T8863] Rebooting in 86400 seconds..