[info] Using makefile-style concurrent boot in runlevel 2. [ 24.683924] audit: type=1800 audit(1540012132.408:21): pid=5414 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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 '10.128.0.20' (ECDSA) to the list of known hosts. 2018/10/20 05:09:25 parsed 1 programs 2018/10/20 05:09:27 executed programs: 0 syzkaller login: [ 59.763286] IPVS: ftp: loaded support on port[0] = 21 [ 60.027551] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.034169] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.041519] device bridge_slave_0 entered promiscuous mode [ 60.060829] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.067530] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.074657] device bridge_slave_1 entered promiscuous mode [ 60.093388] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.112242] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.165597] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 60.187292] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 60.266334] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 60.273584] team0: Port device team_slave_0 added [ 60.290540] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 60.297848] team0: Port device team_slave_1 added [ 60.316845] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.336589] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.357085] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.377183] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.524188] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.530625] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.537760] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.544237] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.057589] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.108758] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 61.159831] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 61.166536] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.173810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.224858] 8021q: adding VLAN 0 to HW filter on device team0 2018/10/20 05:09:32 executed programs: 168 2018/10/20 05:09:37 executed programs: 410 2018/10/20 05:09:42 executed programs: 666 2018/10/20 05:09:47 executed programs: 901 2018/10/20 05:09:52 executed programs: 1144 2018/10/20 05:09:57 executed programs: 1385 2018/10/20 05:10:02 executed programs: 1634 2018/10/20 05:10:07 executed programs: 1880 2018/10/20 05:10:12 executed programs: 2134 2018/10/20 05:10:17 executed programs: 2385 2018/10/20 05:10:22 executed programs: 2634 2018/10/20 05:10:27 executed programs: 2885 [ 120.714415] kasan: CONFIG_KASAN_INLINE enabled [ 120.719641] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 120.727425] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 120.733662] CPU: 0 PID: 17483 Comm: syz-executor0 Not tainted 4.19.0-rc8-next-20181019+ #98 [ 120.742146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.751489] RIP: 0010:n_tty_set_termios+0x2d9/0xe80 [ 120.756501] Code: 45 d0 31 ff 83 e0 02 89 c6 89 45 d0 e8 60 bb a3 fd 8b 45 d0 4c 89 f1 48 ba 00 00 00 00 00 fc ff df 85 c0 0f 95 c0 48 c1 e9 03 <0f> b6 14 11 4c 89 f1 83 e1 07 38 ca 7f 08 84 d2 0f 85 96 09 00 00 [ 120.775381] RSP: 0018:ffff8801cd587578 EFLAGS: 00010203 [ 120.780725] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 000000000000000b [ 120.788006] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 120.795253] RBP: ffff8801cd5875b0 R08: ffff8801b9aba6c0 R09: 0000000000000008 [ 120.802504] R10: 0000000000000050 R11: ffff8801b9aba6c0 R12: ffff8801d256ad80 [ 120.809763] R13: ffff8801d256b134 R14: 000000000000005d R15: ffff8801cd587610 [ 120.817026] FS: 00007f7665057700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 120.825260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 120.831125] CR2: 00007f7665014db8 CR3: 00000001ce852000 CR4: 00000000001406f0 [ 120.838393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 120.845661] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 120.852908] Call Trace: [ 120.855479] ? n_tty_receive_signal_char+0x120/0x120 [ 120.860587] tty_set_termios+0x7a0/0xac0 [ 120.864662] ? tty_wait_until_sent+0x5d0/0x5d0 [ 120.869231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 120.874750] set_termios+0x41e/0x7d0 [ 120.878446] ? tty_perform_flush+0x80/0x80 [ 120.882668] ? drop_futex_key_refs.isra.14+0x6d/0xe0 [ 120.887758] tty_mode_ioctl+0x83a/0xb40 [ 120.891714] ? set_termios+0x7d0/0x7d0 [ 120.895584] ? perf_trace_sched_process_exec+0x860/0x860 [ 120.901020] n_tty_ioctl_helper+0x54/0x3b0 [ 120.905259] n_tty_ioctl+0x54/0x360 [ 120.908869] ? ldsem_down_read+0x32/0x40 [ 120.912909] ? ldsem_down_read+0x32/0x40 [ 120.916952] tty_ioctl+0x5c6/0x17d0 [ 120.920561] ? commit_echoes+0x1c0/0x1c0 [ 120.924618] ? tty_vhangup+0x30/0x30 [ 120.928310] ? find_held_lock+0x36/0x1c0 [ 120.932355] ? __fget+0x4aa/0x740 [ 120.935810] ? lock_downgrade+0x900/0x900 [ 120.939943] ? check_preemption_disabled+0x48/0x280 [ 120.944953] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 120.949877] ? kasan_check_read+0x11/0x20 [ 120.954064] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 120.959339] ? rcu_softirq_qs+0x20/0x20 [ 120.963296] ? __fget+0x4d1/0x740 [ 120.966746] ? ksys_dup3+0x680/0x680 [ 120.970458] ? __might_fault+0x12b/0x1e0 [ 120.974499] ? lock_downgrade+0x900/0x900 [ 120.978643] ? lock_release+0xa10/0xa10 [ 120.982598] ? perf_trace_sched_process_exec+0x860/0x860 [ 120.988028] ? tty_vhangup+0x30/0x30 [ 120.991734] do_vfs_ioctl+0x1de/0x1720 [ 120.995627] ? ioctl_preallocate+0x300/0x300 [ 121.000041] ? __fget_light+0x2e9/0x430 [ 121.004006] ? fget_raw+0x20/0x20 [ 121.007449] ? _copy_to_user+0xc8/0x110 [ 121.011409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 121.016929] ? put_timespec64+0x10f/0x1b0 [ 121.021063] ? nsecs_to_jiffies+0x30/0x30 [ 121.025194] ? do_syscall_64+0x9a/0x820 [ 121.029150] ? do_syscall_64+0x9a/0x820 [ 121.033107] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 121.037671] ? security_file_ioctl+0x94/0xc0 [ 121.042066] ksys_ioctl+0xa9/0xd0 [ 121.045518] __x64_sys_ioctl+0x73/0xb0 [ 121.049387] do_syscall_64+0x1b9/0x820 [ 121.053269] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 121.058610] ? syscall_return_slowpath+0x5e0/0x5e0 [ 121.063518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 121.068340] ? trace_hardirqs_on_caller+0x310/0x310 [ 121.073337] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 121.078335] ? prepare_exit_to_usermode+0x291/0x3b0 [ 121.083331] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 121.088156] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 121.093323] RIP: 0033:0x457569 [ 121.096496] Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 121.115376] RSP: 002b:00007f7665056c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 121.123074] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 121.130338] RDX: 0000000020000040 RSI: 0000000000005407 RDI: 0000000000000005 [ 121.137590] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 121.144838] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f76650576d4 [ 121.152084] R13: 00000000004c0d89 R14: 00000000004d17a0 R15: 00000000ffffffff [ 121.159335] Modules linked in: [ 121.163266] ---[ end trace 839cc3b93aba61d1 ]--- [ 121.168096] RIP: 0010:n_tty_set_termios+0x2d9/0xe80 [ 121.173110] Code: 45 d0 31 ff 83 e0 02 89 c6 89 45 d0 e8 60 bb a3 fd 8b 45 d0 4c 89 f1 48 ba 00 00 00 00 00 fc ff df 85 c0 0f 95 c0 48 c1 e9 03 <0f> b6 14 11 4c 89 f1 83 e1 07 38 ca 7f 08 84 d2 0f 85 96 09 00 00 [ 121.192327] RSP: 0018:ffff8801cd587578 EFLAGS: 00010203 [ 121.197734] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 000000000000000b [ 121.205002] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 121.212337] RBP: ffff8801cd5875b0 R08: ffff8801b9aba6c0 R09: 0000000000000008 [ 121.219633] R10: 0000000000000050 R11: ffff8801b9aba6c0 R12: ffff8801d256ad80 [ 121.226917] R13: ffff8801d256b134 R14: 000000000000005d R15: ffff8801cd587610 [ 121.234187] FS: 00007f7665057700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 121.242425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 121.248328] CR2: 00007f7665014db8 CR3: 00000001ce852000 CR4: 00000000001406f0 [ 121.255617] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 121.262885] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 121.270170] Kernel panic - not syncing: Fatal exception [ 121.276382] Kernel Offset: disabled [ 121.280001] Rebooting in 86400 seconds..