[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.184245][ T26] audit: type=1800 audit(1573095685.457:25): pid=8599 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.224813][ T26] audit: type=1800 audit(1573095685.457:26): pid=8599 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.262310][ T26] audit: type=1800 audit(1573095685.457:27): pid=8599 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 '10.128.0.203' (ECDSA) to the list of known hosts. 2019/11/07 03:01:35 parsed 1 programs 2019/11/07 03:01:37 executed programs: 0 syzkaller login: [ 68.557027][ T8767] IPVS: ftp: loaded support on port[0] = 21 [ 68.619818][ T8767] chnl_net:caif_netlink_parms(): no params data found [ 68.648540][ T8767] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.656262][ T8767] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.664324][ T8767] device bridge_slave_0 entered promiscuous mode [ 68.672267][ T8767] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.679573][ T8767] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.687962][ T8767] device bridge_slave_1 entered promiscuous mode [ 68.705320][ T8767] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.715855][ T8767] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.735694][ T8767] team0: Port device team_slave_0 added [ 68.742510][ T8767] team0: Port device team_slave_1 added [ 68.806576][ T8767] device hsr_slave_0 entered promiscuous mode [ 68.854240][ T8767] device hsr_slave_1 entered promiscuous mode [ 68.973287][ T8767] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.980581][ T8767] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.989439][ T8767] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.996612][ T8767] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.156987][ T8767] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.182775][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.225512][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.246113][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.275457][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.311998][ T8767] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.349751][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.364359][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.371891][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.425000][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.444838][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.451931][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.497979][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.507284][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.525085][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.547906][ T8767] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.576691][ T8767] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.595994][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.605607][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.637373][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.648498][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.666366][ T8767] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.761662][ T9096] kasan: CONFIG_KASAN_INLINE enabled [ 71.766990][ T9096] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 71.775054][ T9096] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 71.782009][ T9096] CPU: 1 PID: 9096 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 71.789898][ T9096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.800054][ T9096] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 71.805877][ T9096] 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 [ 71.825467][ T9096] RSP: 0018:ffff888088d0fb38 EFLAGS: 00010006 [ 71.831566][ T9096] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.839558][ T9096] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 71.847523][ T9096] RBP: ffff888088d0fc50 R08: 0000000000000001 R09: 0000000000000001 [ 71.855574][ T9096] R10: fffffbfff138cd40 R11: ffff8880a0294040 R12: 00000000000010c0 [ 71.863540][ T9096] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 71.871508][ T9096] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:00000000f7fabb40 [ 71.880429][ T9096] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 71.887013][ T9096] CR2: 00007f940707d518 CR3: 000000008d8ae000 CR4: 00000000001406e0 [ 71.894972][ T9096] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.902922][ T9096] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.910980][ T9096] Call Trace: [ 71.914462][ T9096] ? __kasan_check_read+0x11/0x20 [ 71.920079][ T9096] ? __lock_acquire+0x16f2/0x4a00 [ 71.925091][ T9096] ? rwlock_bug.part.0+0x90/0x90 [ 71.930107][ T9096] ? lock_acquire+0x190/0x410 [ 71.934781][ T9096] ? mark_held_locks+0xf0/0xf0 [ 71.939531][ T9096] lock_acquire+0x190/0x410 [ 71.944019][ T9096] ? j1939_jsk_del+0x32/0x240 [ 71.948678][ T9096] _raw_spin_lock_bh+0x33/0x50 [ 71.953422][ T9096] ? j1939_jsk_del+0x32/0x240 [ 71.958080][ T9096] j1939_jsk_del+0x32/0x240 [ 71.962580][ T9096] ? lock_sock_nested+0xe2/0x120 [ 71.967507][ T9096] j1939_sk_bind+0x2e2/0x8e0 [ 71.972098][ T9096] __sys_bind+0x239/0x290 [ 71.976426][ T9096] ? __ia32_sys_socketpair+0xf0/0xf0 [ 71.981696][ T9096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 71.987916][ T9096] ? put_old_timespec32+0x113/0x200 [ 71.993107][ T9096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.999422][ T9096] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 72.004861][ T9096] ? do_fast_syscall_32+0xd1/0xdb3 [ 72.009946][ T9096] ? entry_SYSENTER_compat+0x70/0x7f [ 72.017717][ T9096] ? do_fast_syscall_32+0xd1/0xdb3 [ 72.022820][ T9096] __ia32_sys_bind+0x72/0xb0 [ 72.027398][ T9096] do_fast_syscall_32+0x27b/0xdb3 [ 72.032417][ T9096] entry_SYSENTER_compat+0x70/0x7f [ 72.037512][ T9096] RIP: 0023:0xf7fd0a39 [ 72.041569][ T9096] Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 72.061150][ T9096] RSP: 002b:00000000f7fab0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000169 [ 72.069561][ T9096] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000000 [ 72.077511][ T9096] RDX: 0000000000000018 RSI: 0000000000000000 RDI: 0000000000000000 [ 72.085459][ T9096] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 72.093408][ T9096] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 72.101363][ T9096] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 72.109315][ T9096] Modules linked in: [ 72.113210][ T9096] ---[ end trace 850d3565bec9d942 ]--- [ 72.118650][ T9096] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 72.124281][ T9096] 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 [ 72.144123][ T9096] RSP: 0018:ffff888088d0fb38 EFLAGS: 00010006 [ 72.150187][ T9096] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.158139][ T9096] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 72.166093][ T9096] RBP: ffff888088d0fc50 R08: 0000000000000001 R09: 0000000000000001 [ 72.174054][ T9096] R10: fffffbfff138cd40 R11: ffff8880a0294040 R12: 00000000000010c0 [ 72.182001][ T9096] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 72.189957][ T9096] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:00000000f7fabb40 [ 72.198964][ T9096] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 72.205526][ T9096] CR2: 00007f940707d518 CR3: 000000008d8ae000 CR4: 00000000001406e0 [ 72.213477][ T9096] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.221520][ T9096] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.229481][ T9096] Kernel panic - not syncing: Fatal exception in interrupt [ 72.237963][ T9096] Kernel Offset: disabled [ 72.242284][ T9096] Rebooting in 86400 seconds..