[info] Using makefile-style concurrent boot in runlevel 2. [ 57.664071][ T26] audit: type=1800 audit(1568501526.145:21): pid=9418 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 57.704349][ T26] audit: type=1800 audit(1568501526.145:22): pid=9418 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.0.62' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 70.478063][ T9570] IPVS: ftp: loaded support on port[0] = 21 [ 70.499953][ T9570] kasan: CONFIG_KASAN_INLINE enabled [ 70.505743][ T9570] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 70.513828][ T9570] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 70.520774][ T9570] CPU: 1 PID: 9570 Comm: syz-executor794 Not tainted 5.3.0-rc8+ #0 [ 70.528633][ T9570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.538670][ T9570] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 70.544625][ T9570] Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d [ 70.564199][ T9570] RSP: 0018:ffff88809686f440 EFLAGS: 00010246 [ 70.570234][ T9570] RAX: dffffc0000000000 RBX: ffff888097be0900 RCX: ffffffff8159b28a [ 70.578178][ T9570] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888097be0c68 [ 70.586137][ T9570] RBP: ffff88809686f458 R08: 0000000000000004 R09: ffffed1012d0de7b [ 70.594079][ T9570] R10: ffffed1012d0de7a R11: 0000000000000003 R12: 0000000000000000 [ 70.602020][ T9570] R13: 0000000000000000 R14: ffff888097be0c60 R15: ffff888097be0bc0 [ 70.609968][ T9570] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:0000000056b63840 [ 70.618868][ T9570] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 70.625423][ T9570] CR2: 00000000200001c0 CR3: 00000000a67a0000 CR4: 00000000001406e0 [ 70.633369][ T9570] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.641315][ T9570] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.649260][ T9570] Call Trace: [ 70.652544][ T9570] cbs_destroy+0x7d/0x2a0 [ 70.656858][ T9570] ? cbs_init+0x25d/0x450 [ 70.661160][ T9570] ? cbs_dequeue_soft+0x410/0x410 [ 70.666160][ T9570] qdisc_create+0xbc6/0x1210 [ 70.670720][ T9570] ? tc_get_qdisc+0xc10/0xc10 [ 70.675369][ T9570] ? __nla_parse+0x43/0x60 [ 70.679757][ T9570] tc_modify_qdisc+0x524/0x1c50 [ 70.684581][ T9570] ? qdisc_create+0x1210/0x1210 [ 70.689417][ T9570] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 70.694506][ T9570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 70.700718][ T9570] ? qdisc_create+0x1210/0x1210 [ 70.705550][ T9570] rtnetlink_rcv_msg+0x463/0xb00 [ 70.710464][ T9570] ? rtnetlink_put_metrics+0x580/0x580 [ 70.715897][ T9570] ? lock_downgrade+0x920/0x920 [ 70.720758][ T9570] ? netlink_remove_tap+0x4d0/0x4d0 [ 70.725934][ T9570] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 70.731627][ T9570] netlink_rcv_skb+0x177/0x450 [ 70.736365][ T9570] ? rtnetlink_put_metrics+0x580/0x580 [ 70.741796][ T9570] ? netlink_ack+0xb30/0xb30 [ 70.746360][ T9570] ? lock_downgrade+0x920/0x920 [ 70.751183][ T9570] ? netlink_deliver_tap+0x254/0xbf0 [ 70.756479][ T9570] rtnetlink_rcv+0x1d/0x30 [ 70.760866][ T9570] netlink_unicast+0x531/0x710 [ 70.765723][ T9570] ? netlink_attachskb+0x7c0/0x7c0 [ 70.770808][ T9570] ? _copy_from_iter_full+0x25d/0x8a0 [ 70.776172][ T9570] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 70.781870][ T9570] ? __check_object_size+0x3d/0x437 [ 70.787050][ T9570] netlink_sendmsg+0x8a5/0xd60 [ 70.791793][ T9570] ? netlink_unicast+0x710/0x710 [ 70.796714][ T9570] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 70.802234][ T9570] ? apparmor_socket_sendmsg+0x2a/0x30 [ 70.807666][ T9570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.813892][ T9570] ? security_socket_sendmsg+0x8d/0xc0 [ 70.819849][ T9570] ? netlink_unicast+0x710/0x710 [ 70.824759][ T9570] sock_sendmsg+0xd7/0x130 [ 70.829151][ T9570] ___sys_sendmsg+0x803/0x920 [ 70.833801][ T9570] ? copy_msghdr_from_user+0x440/0x440 [ 70.839233][ T9570] ? lock_downgrade+0x920/0x920 [ 70.844071][ T9570] ? rwlock_bug.part.0+0x90/0x90 [ 70.848982][ T9570] ? __kasan_check_read+0x11/0x20 [ 70.853982][ T9570] ? lock_downgrade+0x920/0x920 [ 70.858820][ T9570] ? __might_fault+0xfb/0x1e0 [ 70.863481][ T9570] ? __kasan_check_read+0x11/0x20 [ 70.868522][ T9570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.874746][ T9570] ? __fget_light+0x1a9/0x230 [ 70.879409][ T9570] ? __fdget+0x1b/0x20 [ 70.883453][ T9570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 70.889666][ T9570] __sys_sendmsg+0x105/0x1d0 [ 70.894228][ T9570] ? __sys_sendmsg_sock+0xd0/0xd0 [ 70.899227][ T9570] ? up_read+0x159/0x570 [ 70.903445][ T9570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.910276][ T9570] ? entry_SYSENTER_compat+0x68/0x7f [ 70.915547][ T9570] __ia32_compat_sys_sendmsg+0x7a/0xb0 [ 70.921005][ T9570] do_fast_syscall_32+0x27b/0xdb3 [ 70.926032][ T9570] entry_SYSENTER_compat+0x70/0x7f [ 70.931116][ T9570] RIP: 0023:0xf7f12a29 [ 70.935161][ T9570] Code: b8 80 96 98 00 eb cc 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 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 [ 70.954737][ T9570] RSP: 002b:00000000ffd355ac EFLAGS: 00000202 ORIG_RAX: 0000000000000172 [ 70.963124][ T9570] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 70.971067][ T9570] RDX: 0000000000000000 RSI: 00000000080d6e20 RDI: 00000000080ebfa4 [ 70.979010][ T9570] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 70.986957][ T9570] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 70.994901][ T9570] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 71.002851][ T9570] Modules linked in: [ 71.006825][ T9570] ---[ end trace edde2d10d56f63b7 ]--- [ 71.012406][ T9570] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 71.018397][ T9570] Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d [ 71.038012][ T9570] RSP: 0018:ffff88809686f440 EFLAGS: 00010246 [ 71.044101][ T9570] RAX: dffffc0000000000 RBX: ffff888097be0900 RCX: ffffffff8159b28a [ 71.052066][ T9570] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888097be0c68 [ 71.060048][ T9570] RBP: ffff88809686f458 R08: 0000000000000004 R09: ffffed1012d0de7b [ 71.068024][ T9570] R10: ffffed1012d0de7a R11: 0000000000000003 R12: 0000000000000000 [ 71.076013][ T9570] R13: 0000000000000000 R14: ffff888097be0c60 R15: ffff888097be0bc0 [ 71.083993][ T9570] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:0000000056b63840 [ 71.092893][ T9570] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 71.099478][ T9570] CR2: 00000000200001c0 CR3: 00000000a67a0000 CR4: 00000000001406e0 [ 71.107451][ T9570] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.115424][ T9570] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.123396][ T9570] Kernel panic - not syncing: Fatal exception [ 71.130933][ T9570] Kernel Offset: disabled [ 71.135251][ T9570] Rebooting in 86400 seconds..