[ 97.495990][ T27] audit: type=1400 audit(1579782500.472:37): avc: denied { watch } for pid=10149 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 97.520443][ T27] audit: type=1400 audit(1579782500.502:38): avc: denied { watch } for pid=10149 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 97.936809][ T27] audit: type=1800 audit(1579782500.912:39): pid=10066 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 97.958590][ T27] audit: type=1800 audit(1579782500.912:40): pid=10066 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 100.015129][ T27] audit: type=1400 audit(1579782502.992:41): avc: denied { map } for pid=10244 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts. executing program [ 106.716269][ T27] audit: type=1400 audit(1579782509.692:42): avc: denied { map } for pid=10256 comm="syz-executor754" path="/root/syz-executor754551107" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 106.777505][T10259] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10259 comm=syz-executor754 [ 106.790761][T10259] netlink: 96 bytes leftover after parsing attributes in process `syz-executor754'. [ 106.801568][T10259] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10259 comm=syz-executor754 [ 106.814720][T10259] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10259 comm=syz-executor754 [ 106.827807][T10259] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10259 comm=syz-executor754 [ 106.840803][T10259] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10259 comm=syz-executor754 [ 106.853967][T10259] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10259 comm=syz-executor754 [ 106.866954][T10259] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10259 comm=syz-executor754 [ 106.880023][T10259] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10259 comm=syz-executor754 [ 106.893150][T10259] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10259 comm=syz-executor754 [ 106.906237][T10259] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10259 comm=syz-executor754 executing program [ 107.129809][T10262] netlink: 96 bytes leftover after parsing attributes in process `syz-executor754'. [ 107.140278][T10262] ------------[ cut here ]------------ [ 107.145749][T10262] WARNING: CPU: 0 PID: 10262 at net/sched/sch_cbq.c:1437 cbq_destroy_class+0x11a/0x150 [ 107.155433][T10262] Kernel panic - not syncing: panic_on_warn set ... [ 107.162019][T10262] CPU: 0 PID: 10262 Comm: syz-executor754 Not tainted 5.5.0-rc7-syzkaller #0 [ 107.170756][T10262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.180793][T10262] Call Trace: [ 107.184087][T10262] dump_stack+0x197/0x210 [ 107.188405][T10262] ? cbq_destroy_class+0x80/0x150 [ 107.193420][T10262] panic+0x2e3/0x75c [ 107.197293][T10262] ? add_taint.cold+0x16/0x16 [ 107.201977][T10262] ? printk+0xba/0xed [ 107.205939][T10262] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 107.211381][T10262] ? __warn.cold+0x14/0x3e [ 107.215796][T10262] ? __warn+0xd9/0x1cf [ 107.219860][T10262] ? cbq_destroy_class+0x11a/0x150 [ 107.224955][T10262] __warn.cold+0x2f/0x3e [ 107.229229][T10262] ? report_bug.cold+0x63/0xb2 [ 107.233994][T10262] ? cbq_destroy_class+0x11a/0x150 [ 107.239096][T10262] report_bug+0x289/0x300 [ 107.243424][T10262] do_error_trap+0x11b/0x200 [ 107.248009][T10262] do_invalid_op+0x37/0x50 [ 107.252406][T10262] ? cbq_destroy_class+0x11a/0x150 [ 107.257511][T10262] invalid_op+0x23/0x30 [ 107.261671][T10262] RIP: 0010:cbq_destroy_class+0x11a/0x150 [ 107.267389][T10262] Code: 00 00 e8 d9 57 da ff 49 39 dc 74 0d e8 9f 98 30 fb 4c 89 e7 e8 67 09 6e fb e8 92 98 30 fb 5b 41 5c 41 5d 5d c3 e8 86 98 30 fb <0f> 0b e9 37 ff ff ff e8 9a 58 6e fb e9 12 ff ff ff e8 b0 58 6e fb [ 107.287089][T10262] RSP: 0018:ffffc900020170e0 EFLAGS: 00010293 [ 107.293148][T10262] RAX: ffff888086ba82c0 RBX: ffff88809a878000 RCX: ffffffff86445bcf [ 107.301124][T10262] RDX: 0000000000000000 RSI: ffffffff86445c9a RDI: 0000000000000005 [ 107.309092][T10262] RBP: ffffc900020170f8 R08: ffff888086ba82c0 R09: fffffbfff165e7a0 [ 107.317059][T10262] R10: fffffbfff165e79f R11: ffffffff8b2f3cff R12: ffff88809a878320 [ 107.325080][T10262] R13: 0000000000000001 R14: 0000000000000000 R15: ffff88809a878320 [ 107.333055][T10262] ? cbq_destroy_class+0x4f/0x150 [ 107.338076][T10262] ? cbq_destroy_class+0x11a/0x150 [ 107.343229][T10262] cbq_destroy+0x208/0x2c0 [ 107.347668][T10262] ? cbq_walk+0x320/0x320 [ 107.351999][T10262] qdisc_destroy+0x11f/0x630 [ 107.356589][T10262] qdisc_put+0xdb/0x100 [ 107.360750][T10262] notify_and_destroy+0xa2/0xb0 [ 107.365591][T10262] qdisc_graft+0xd42/0x1210 [ 107.370080][T10262] ? tc_dump_tclass+0x4e0/0x4e0 [ 107.374911][T10262] ? tc_get_qdisc+0xc10/0xc10 [ 107.379572][T10262] tc_modify_qdisc+0xcbd/0x1cd0 [ 107.384446][T10262] ? qdisc_create+0x1210/0x1210 [ 107.389302][T10262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 107.395537][T10262] ? qdisc_create+0x1210/0x1210 [ 107.400374][T10262] rtnetlink_rcv_msg+0x45e/0xaf0 [ 107.405308][T10262] ? rtnl_bridge_getlink+0x910/0x910 [ 107.410630][T10262] ? lock_downgrade+0x920/0x920 [ 107.415473][T10262] ? netlink_deliver_tap+0x228/0xbe0 [ 107.420746][T10262] ? find_held_lock+0x35/0x130 [ 107.425506][T10262] netlink_rcv_skb+0x177/0x450 [ 107.430255][T10262] ? rtnl_bridge_getlink+0x910/0x910 [ 107.435523][T10262] ? netlink_ack+0xb50/0xb50 [ 107.440094][T10262] ? __kasan_check_read+0x11/0x20 [ 107.445137][T10262] ? netlink_deliver_tap+0x24a/0xbe0 [ 107.450405][T10262] rtnetlink_rcv+0x1d/0x30 [ 107.454847][T10262] netlink_unicast+0x58c/0x7d0 [ 107.459601][T10262] ? netlink_attachskb+0x870/0x870 [ 107.464702][T10262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 107.470934][T10262] netlink_sendmsg+0x91c/0xea0 [ 107.475708][T10262] ? netlink_unicast+0x7d0/0x7d0 [ 107.480632][T10262] ? tomoyo_socket_sendmsg+0x26/0x30 [ 107.485896][T10262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 107.492123][T10262] ? security_socket_sendmsg+0x8d/0xc0 [ 107.497577][T10262] ? netlink_unicast+0x7d0/0x7d0 [ 107.502523][T10262] sock_sendmsg+0xd7/0x130 [ 107.506930][T10262] kernel_sendmsg+0x44/0x50 [ 107.511417][T10262] sock_no_sendpage+0x116/0x150 [ 107.516248][T10262] ? sock_kzfree_s+0x70/0x70 [ 107.520860][T10262] ? lock_acquire+0x190/0x410 [ 107.525529][T10262] ? pipe_lock+0x65/0x80 [ 107.529753][T10262] kernel_sendpage+0x92/0xf0 [ 107.534320][T10262] ? sock_kzfree_s+0x70/0x70 [ 107.538889][T10262] sock_sendpage+0x8b/0xc0 [ 107.543299][T10262] pipe_to_sendpage+0x2da/0x3c0 [ 107.548137][T10262] ? kernel_sendpage+0xf0/0xf0 [ 107.552887][T10262] ? direct_splice_actor+0x190/0x190 [ 107.558167][T10262] ? splice_from_pipe_next.part.0+0x2a2/0x350 [ 107.564241][T10262] __splice_from_pipe+0x3ee/0x7c0 [ 107.569254][T10262] ? direct_splice_actor+0x190/0x190 [ 107.574583][T10262] ? direct_splice_actor+0x190/0x190 [ 107.579854][T10262] splice_from_pipe+0x108/0x170 [ 107.584724][T10262] ? splice_shrink_spd+0xd0/0xd0 [ 107.589656][T10262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 107.595886][T10262] ? security_file_permission+0x8f/0x380 [ 107.601514][T10262] ? rcu_read_lock_held+0x9c/0xb0 [ 107.606535][T10262] generic_splice_sendpage+0x3c/0x50 [ 107.611808][T10262] ? splice_from_pipe+0x170/0x170 [ 107.616814][T10262] do_splice+0xba4/0x1680 [ 107.621127][T10262] ? ksys_dup3+0x3e0/0x3e0 [ 107.625553][T10262] ? opipe_prep.part.0+0x300/0x300 [ 107.630645][T10262] ? __fget_light+0x1a9/0x230 [ 107.635306][T10262] __x64_sys_splice+0x2c6/0x330 [ 107.640149][T10262] do_syscall_64+0xfa/0x790 [ 107.644657][T10262] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.650527][T10262] RIP: 0033:0x446e79 [ 107.654412][T10262] Code: e8 5c b3 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.674007][T10262] RSP: 002b:00007ff076b78d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 107.682402][T10262] RAX: ffffffffffffffda RBX: 00000000006dcc98 RCX: 0000000000446e79 [ 107.690353][T10262] RDX: 0000000000000009 RSI: 0000000000000000 RDI: 0000000000000007 [ 107.698317][T10262] RBP: 00000000006dcc90 R08: 000000000004ffe0 R09: 0000000000000000 [ 107.706268][T10262] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc9c [ 107.714235][T10262] R13: 00000000004aed8e R14: 54c6c2ff093a6d32 R15: 0000000000010000 [ 107.723639][T10262] Kernel Offset: disabled [ 107.728034][T10262] Rebooting in 86400 seconds..