[info] Using makefile-style concurrent boot in runlevel 2. [ 56.938809][ T26] audit: type=1800 audit(1568514910.101:21): pid=9096 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 56.962533][ T26] audit: type=1800 audit(1568514910.111:22): pid=9096 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 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 '10.128.0.61' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 68.400255][ T9246] IPVS: ftp: loaded support on port[0] = 21 [ 68.420125][ T9246] kasan: CONFIG_KASAN_INLINE enabled [ 68.425496][ T9246] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 68.433645][ T9246] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 68.440562][ T9246] CPU: 0 PID: 9246 Comm: syz-executor194 Not tainted 5.3.0-rc8+ #0 [ 68.448423][ T9246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.458462][ T9246] RIP: 0010:__list_del_entry_valid+0x6b/0x100 [ 68.464524][ T9246] Code: 4c 89 f7 e8 17 c3 58 fe 48 ba 00 01 00 00 00 00 ad de 49 8b 1e 48 39 d3 74 54 48 83 c2 22 49 39 d7 74 5e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 e6 c2 58 fe 49 8b 17 4c 39 f2 75 [ 68.484115][ T9246] RSP: 0018:ffff888097d07568 EFLAGS: 00010246 [ 68.490161][ T9246] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 68.498112][ T9246] RDX: dead000000000122 RSI: 0000000000000004 RDI: ffff88809fcb55a8 [ 68.506056][ T9246] RBP: ffff888097d07588 R08: dffffc0000000000 R09: ffffed1012fa0ea8 [ 68.514014][ T9246] R10: ffffed1012fa0ea8 R11: 0000000000000000 R12: dffffc0000000000 [ 68.521968][ T9246] R13: ffff88809fcb5240 R14: ffff88809fcb55a0 R15: 0000000000000000 [ 68.529912][ T9246] FS: 0000555556d0f880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 68.538898][ T9246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.545451][ T9246] CR2: 00000000200001c0 CR3: 00000000a61a1000 CR4: 00000000001406f0 [ 68.553394][ T9246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.561338][ T9246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.569280][ T9246] Call Trace: [ 68.572548][ T9246] cbs_destroy+0x85/0x3e0 [ 68.576845][ T9246] ? cbs_init+0x1ee/0x3a0 [ 68.581494][ T9246] ? qdisc_reset_queue+0x170/0x170 [ 68.587877][ T9246] qdisc_create+0xff8/0x13e0 [ 68.592442][ T9246] ? __nla_parse+0x41/0x50 [ 68.596831][ T9246] tc_modify_qdisc+0x989/0x1ea0 [ 68.601658][ T9246] ? trace_lock_release+0x135/0x1a0 [ 68.606827][ T9246] ? rcu_lock_release+0x30/0x30 [ 68.611650][ T9246] rtnetlink_rcv_msg+0x889/0xd40 [ 68.616562][ T9246] ? do_syscall_64+0xfe/0x140 [ 68.621229][ T9246] ? __kasan_kmalloc+0x11c/0x1b0 [ 68.626141][ T9246] ? kasan_kmalloc+0x9/0x10 [ 68.630626][ T9246] ? __kmalloc_node_track_caller+0x4d/0x60 [ 68.636411][ T9246] ? __alloc_skb+0xe8/0x500 [ 68.640894][ T9246] ? netlink_sendmsg+0x756/0xc50 [ 68.645799][ T9246] ? ___sys_sendmsg+0x60d/0x910 [ 68.650619][ T9246] ? do_syscall_64+0xfe/0x140 [ 68.656413][ T9246] ? rcu_lock_release+0x9/0x30 [ 68.661150][ T9246] ? rcu_lock_release+0x9/0x30 [ 68.665896][ T9246] ? trace_lock_release+0x135/0x1a0 [ 68.671065][ T9246] ? rcu_lock_release+0x9/0x30 [ 68.675802][ T9246] netlink_rcv_skb+0x19e/0x3d0 [ 68.680537][ T9246] ? rtnetlink_bind+0x80/0x80 [ 68.685183][ T9246] rtnetlink_rcv+0x1c/0x20 [ 68.689579][ T9246] netlink_unicast+0x787/0x900 [ 68.694315][ T9246] netlink_sendmsg+0x993/0xc50 [ 68.699075][ T9246] ? netlink_getsockopt+0x9f0/0x9f0 [ 68.704264][ T9246] ___sys_sendmsg+0x60d/0x910 [ 68.708915][ T9246] ? trace_lock_release+0x135/0x1a0 [ 68.714096][ T9246] ? __kasan_check_read+0x11/0x20 [ 68.719103][ T9246] ? _copy_to_user+0x104/0x150 [ 68.723840][ T9246] ? check_preemption_disabled+0xb7/0x2a0 [ 68.729529][ T9246] ? move_addr_to_user+0x1a0/0x210 [ 68.734613][ T9246] ? __fdget+0x156/0x200 [ 68.738829][ T9246] __x64_sys_sendmsg+0x17c/0x200 [ 68.743742][ T9246] do_syscall_64+0xfe/0x140 [ 68.748216][ T9246] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.754079][ T9246] RIP: 0033:0x440c69 [ 68.757975][ T9246] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.777559][ T9246] RSP: 002b:00007ffce15604f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.785949][ T9246] RAX: ffffffffffffffda RBX: 00000000004a23f0 RCX: 0000000000440c69 [ 68.793997][ T9246] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 68.801963][ T9246] RBP: 00000000006cb018 R08: 0000000120080522 R09: 0000000120080522 [ 68.809908][ T9246] R10: 0000000120080522 R11: 0000000000000246 R12: 0000000000402170 [ 68.817938][ T9246] R13: 0000000000402200 R14: 0000000000000000 R15: 0000000000000000 [ 68.825897][ T9246] Modules linked in: [ 68.829941][ T9246] ---[ end trace 199550ec0c5f4e17 ]--- [ 68.835432][ T9246] RIP: 0010:__list_del_entry_valid+0x6b/0x100 [ 68.841511][ T9246] Code: 4c 89 f7 e8 17 c3 58 fe 48 ba 00 01 00 00 00 00 ad de 49 8b 1e 48 39 d3 74 54 48 83 c2 22 49 39 d7 74 5e 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 e6 c2 58 fe 49 8b 17 4c 39 f2 75 [ 68.861137][ T9246] RSP: 0018:ffff888097d07568 EFLAGS: 00010246 [ 68.867176][ T9246] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 68.875157][ T9246] RDX: dead000000000122 RSI: 0000000000000004 RDI: ffff88809fcb55a8 [ 68.883145][ T9246] RBP: ffff888097d07588 R08: dffffc0000000000 R09: ffffed1012fa0ea8 [ 68.891124][ T9246] R10: ffffed1012fa0ea8 R11: 0000000000000000 R12: dffffc0000000000 [ 68.899091][ T9246] R13: ffff88809fcb5240 R14: ffff88809fcb55a0 R15: 0000000000000000 [ 68.907091][ T9246] FS: 0000555556d0f880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 68.916028][ T9246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.922621][ T9246] CR2: 00000000200001c0 CR3: 00000000a61a1000 CR4: 00000000001406f0 [ 68.930590][ T9246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.938617][ T9246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.947076][ T9246] Kernel panic - not syncing: Fatal exception [ 68.954417][ T9246] Kernel Offset: disabled [ 68.958737][ T9246] Rebooting in 86400 seconds..