[ 40.135580][ T26] audit: type=1800 audit(1573486601.309:26): pid=7691 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.159411][ T26] audit: type=1800 audit(1573486601.319:27): pid=7691 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.181986][ T26] audit: type=1800 audit(1573486601.319:28): pid=7691 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 41.078565][ T26] audit: type=1800 audit(1573486602.289:29): pid=7691 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts. 2019/11/11 15:37:20 parsed 1 programs 2019/11/11 15:37:22 executed programs: 0 syzkaller login: [ 81.406825][ T7857] IPVS: ftp: loaded support on port[0] = 21 [ 81.458117][ T7857] chnl_net:caif_netlink_parms(): no params data found [ 81.481230][ T7857] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.489312][ T7857] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.497098][ T7857] device bridge_slave_0 entered promiscuous mode [ 81.504904][ T7857] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.512237][ T7857] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.519879][ T7857] device bridge_slave_1 entered promiscuous mode [ 81.534460][ T7857] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.545933][ T7857] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.562936][ T7857] team0: Port device team_slave_0 added [ 81.570084][ T7857] team0: Port device team_slave_1 added [ 81.637378][ T7857] device hsr_slave_0 entered promiscuous mode [ 81.685798][ T7857] device hsr_slave_1 entered promiscuous mode [ 81.839091][ T7857] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.846761][ T7857] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.854587][ T7857] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.861748][ T7857] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.050062][ T7857] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.092625][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.116536][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.136412][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.167082][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 82.201459][ T7857] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.231454][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.241414][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.248554][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.271336][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.282872][ T3015] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.290015][ T3015] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.308717][ T7857] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 82.320024][ T7857] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 82.332589][ T7881] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.342215][ T7881] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.350740][ T7881] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.361079][ T7881] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.369336][ T7881] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.376922][ T7881] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.392517][ T3513] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.400279][ T3513] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.409681][ T7857] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.533291][ T7896] kasan: CONFIG_KASAN_INLINE enabled [ 82.538957][ T7896] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 82.547080][ T7896] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 82.554022][ T7896] CPU: 1 PID: 7896 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 82.561814][ T7896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.571879][ T7896] RIP: 0010:j1939_netdev_notify+0x10a/0x2c0 [ 82.577767][ T7896] Code: 88 05 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 36 90 fc fa bb 28 60 00 00 49 03 1c 24 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 17 90 fc fa 4c 8b 2b 4d 85 ed 0f [ 82.597361][ T7896] RSP: 0018:ffff8880986279d0 EFLAGS: 00010206 [ 82.603405][ T7896] RAX: 0000000000000c05 RBX: 0000000000006028 RCX: 0000000000000000 [ 82.611367][ T7896] RDX: 0000000000000000 RSI: 0000000000000118 RDI: 0000000000000118 [ 82.619337][ T7896] RBP: ffff888098627a00 R08: ffffffff86b00481 R09: ffffed10130c4f2f [ 82.627307][ T7896] R10: ffffed10130c4f2f R11: 0000000000000000 R12: ffff88809a018588 [ 82.635276][ T7896] R13: dffffc0000000000 R14: ffff88809a01823c R15: 1ffff11013403047 [ 82.643250][ T7896] FS: 0000000001eae940(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 82.652175][ T7896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.658757][ T7896] CR2: 00000000004dcd48 CR3: 0000000092f8b000 CR4: 00000000001406e0 [ 82.666730][ T7896] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.674696][ T7896] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.682665][ T7896] Call Trace: [ 82.685962][ T7896] raw_notifier_call_chain+0xec/0x190 [ 82.691341][ T7896] rollback_registered_many+0xbd6/0x11c0 [ 82.696985][ T7896] unregister_netdevice_queue+0x2ce/0x480 [ 82.702709][ T7896] unregister_netdev+0x1c/0x30 [ 82.707474][ T7896] slip_close+0x160/0x190 [ 82.711803][ T7896] ? slip_open+0xe30/0xe30 [ 82.717117][ T7896] tty_ldisc_close+0x126/0x180 [ 82.721882][ T7896] tty_ldisc_release+0x248/0x5a0 [ 82.726795][ T7896] tty_release_struct+0x2a/0xe0 [ 82.731619][ T7896] tty_release+0xce9/0xfa0 [ 82.736009][ T7896] ? tty_release_struct+0xe0/0xe0 [ 82.741022][ T7896] __fput+0x2e4/0x740 [ 82.744989][ T7896] ____fput+0x15/0x20 [ 82.748956][ T7896] task_work_run+0x17e/0x1b0 [ 82.753521][ T7896] prepare_exit_to_usermode+0x459/0x580 [ 82.759043][ T7896] syscall_return_slowpath+0x113/0x4a0 [ 82.764472][ T7896] do_syscall_64+0x11f/0x1c0 [ 82.769040][ T7896] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.774919][ T7896] RIP: 0033:0x413d90 [ 82.778794][ T7896] Code: 01 f0 ff ff 0f 83 30 1b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 7d 42 66 00 00 75 14 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff [ 82.798385][ T7896] RSP: 002b:00007ffc639f4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 82.806786][ T7896] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000413d90 [ 82.814732][ T7896] RDX: 0000001b2ec20000 RSI: 0000000000000000 RDI: 0000000000000004 [ 82.822676][ T7896] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 82.830622][ T7896] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf20 [ 82.838588][ T7896] R13: 0000000000000003 R14: 00000000007602f8 R15: 000000000075bf2c [ 82.846537][ T7896] Modules linked in: [ 82.850456][ T7896] ---[ end trace d26041b23944f8c8 ]--- [ 82.855925][ T7896] RIP: 0010:j1939_netdev_notify+0x10a/0x2c0 [ 82.861812][ T7896] Code: 88 05 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 36 90 fc fa bb 28 60 00 00 49 03 1c 24 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 17 90 fc fa 4c 8b 2b 4d 85 ed 0f [ 82.881513][ T7896] RSP: 0018:ffff8880986279d0 EFLAGS: 00010206 [ 82.887588][ T7896] RAX: 0000000000000c05 RBX: 0000000000006028 RCX: 0000000000000000 [ 82.895574][ T7896] RDX: 0000000000000000 RSI: 0000000000000118 RDI: 0000000000000118 [ 82.903535][ T7896] RBP: ffff888098627a00 R08: ffffffff86b00481 R09: ffffed10130c4f2f [ 82.911523][ T7896] R10: ffffed10130c4f2f R11: 0000000000000000 R12: ffff88809a018588 [ 82.919502][ T7896] R13: dffffc0000000000 R14: ffff88809a01823c R15: 1ffff11013403047 [ 82.927582][ T7896] FS: 0000000001eae940(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 82.936513][ T7896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.943074][ T7896] CR2: 00000000004dcd48 CR3: 0000000092f8b000 CR4: 00000000001406e0 [ 82.951068][ T7896] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.959091][ T7896] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.967085][ T7896] Kernel panic - not syncing: Fatal exception [ 82.974738][ T7896] Kernel Offset: disabled [ 82.979064][ T7896] Rebooting in 86400 seconds..