[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 59.432168][ T26] audit: type=1800 audit(1573372614.851:25): pid=8808 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 59.471290][ T26] audit: type=1800 audit(1573372614.851:26): pid=8808 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 59.535712][ T26] audit: type=1800 audit(1573372614.851:27): pid=8808 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 '10.128.15.193' (ECDSA) to the list of known hosts. 2019/11/10 07:57:05 parsed 1 programs 2019/11/10 07:57:06 executed programs: 0 syzkaller login: [ 71.635246][ T8975] IPVS: ftp: loaded support on port[0] = 21 [ 71.715487][ T8975] chnl_net:caif_netlink_parms(): no params data found [ 71.745888][ T8975] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.754819][ T8975] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.763205][ T8975] device bridge_slave_0 entered promiscuous mode [ 71.771934][ T8975] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.779497][ T8975] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.788394][ T8975] device bridge_slave_1 entered promiscuous mode [ 71.809065][ T8975] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.821580][ T8975] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.842051][ T8975] team0: Port device team_slave_0 added [ 71.849316][ T8975] team0: Port device team_slave_1 added [ 71.933520][ T8975] device hsr_slave_0 entered promiscuous mode [ 72.001900][ T8975] device hsr_slave_1 entered promiscuous mode [ 72.113558][ T8975] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.120985][ T8975] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.129277][ T8975] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.136427][ T8975] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.227948][ T8975] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.246112][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.270121][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.321805][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.361656][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 72.405841][ T8975] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.453932][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.473108][ T2858] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.480611][ T2858] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.542874][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.562204][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.569730][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.634077][ T9000] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.643773][ T9000] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.673886][ T9000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.705646][ T8975] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.733744][ T8975] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.753494][ T9000] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.773081][ T9000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.802155][ T9000] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.809864][ T9000] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.836262][ T8975] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.067750][ T9163] kasan: CONFIG_KASAN_INLINE enabled [ 74.073359][ T9163] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 74.083098][ T9163] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 74.090478][ T9163] CPU: 1 PID: 9163 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 74.098786][ T9163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.111372][ T9163] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 74.117409][ T9163] 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 [ 74.152225][ T9163] RSP: 0018:ffff888089037b48 EFLAGS: 00010006 [ 74.160168][ T9163] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 74.169741][ T9163] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 74.178951][ T9163] RBP: ffff888089037c60 R08: 0000000000000001 R09: 0000000000000001 [ 74.187334][ T9163] R10: fffffbfff138cda0 R11: ffff8880a0280100 R12: 00000000000010c0 [ 74.195519][ T9163] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 74.204420][ T9163] FS: 00007f1d18050700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 74.213648][ T9163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.220463][ T9163] CR2: 000000000075c000 CR3: 000000009eeb8000 CR4: 00000000001406e0 [ 74.229454][ T9163] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.237910][ T9163] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.246012][ T9163] Call Trace: [ 74.249776][ T9163] ? __kasan_check_read+0x11/0x20 [ 74.255766][ T9163] ? __lock_acquire+0x16f2/0x4a00 [ 74.261010][ T9163] ? rwlock_bug.part.0+0x90/0x90 [ 74.266337][ T9163] ? lock_acquire+0x190/0x410 [ 74.271328][ T9163] ? mark_held_locks+0xf0/0xf0 [ 74.277076][ T9163] lock_acquire+0x190/0x410 [ 74.281986][ T9163] ? j1939_jsk_del+0x32/0x240 [ 74.287323][ T9163] _raw_spin_lock_bh+0x33/0x50 [ 74.292111][ T9163] ? j1939_jsk_del+0x32/0x240 [ 74.296989][ T9163] j1939_jsk_del+0x32/0x240 [ 74.303462][ T9163] ? lock_sock_nested+0xe2/0x120 [ 74.308650][ T9163] j1939_sk_bind+0x2e2/0x8e0 [ 74.314194][ T9163] __sys_bind+0x239/0x290 [ 74.319259][ T9163] ? __ia32_sys_socketpair+0xf0/0xf0 [ 74.325600][ T9163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 74.332065][ T9163] ? put_timespec64+0xda/0x140 [ 74.337415][ T9163] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 74.343137][ T9163] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 74.349439][ T9163] ? do_syscall_64+0x26/0x760 [ 74.354982][ T9163] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.362022][ T9163] ? do_syscall_64+0x26/0x760 [ 74.367060][ T9163] __x64_sys_bind+0x73/0xb0 [ 74.371977][ T9163] do_syscall_64+0xfa/0x760 [ 74.376701][ T9163] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.382760][ T9163] RIP: 0033:0x45a219 [ 74.386925][ T9163] 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 [ 74.407459][ T9163] RSP: 002b:00007f1d1804fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 74.416235][ T9163] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 74.424208][ T9163] RDX: 0000000000000018 RSI: 0000000020000240 RDI: 0000000000000004 [ 74.432514][ T9163] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 74.441004][ T9163] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1d180506d4 [ 74.448976][ T9163] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 74.457537][ T9163] Modules linked in: [ 74.461799][ T9163] ---[ end trace 4ddf637b0b7f3f32 ]--- [ 74.467436][ T9163] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 74.473227][ T9163] 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 [ 74.493405][ T9163] RSP: 0018:ffff888089037b48 EFLAGS: 00010006 [ 74.499756][ T9163] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 74.507740][ T9163] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 74.516204][ T9163] RBP: ffff888089037c60 R08: 0000000000000001 R09: 0000000000000001 [ 74.524263][ T9163] R10: fffffbfff138cda0 R11: ffff8880a0280100 R12: 00000000000010c0 [ 74.532675][ T9163] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 74.540739][ T9163] FS: 00007f1d18050700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 74.549920][ T9163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.556494][ T9163] CR2: 000000000075c000 CR3: 000000009eeb8000 CR4: 00000000001406e0 [ 74.564460][ T9163] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.572425][ T9163] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.580396][ T9163] Kernel panic - not syncing: Fatal exception in interrupt [ 74.590172][ T9163] Kernel Offset: disabled [ 74.594691][ T9163] Rebooting in 86400 seconds..