[ 91.023098][ T26] audit: type=1400 audit(1584050650.868:38): avc: denied { watch } for pid=10144 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. [ 91.332299][ T26] audit: type=1800 audit(1584050651.188:39): pid=10057 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 [ 91.354250][ T26] audit: type=1800 audit(1584050651.198:40): pid=10057 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 [ 91.903503][ T26] audit: type=1400 audit(1584050651.768:41): avc: denied { map } for pid=10235 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 98.747019][ T26] audit: type=1400 audit(1584050658.608:42): avc: denied { map } for pid=10247 comm="syz-executor415" path="/root/syz-executor415503424" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 98.769215][T10248] IPVS: ftp: loaded support on port[0] = 21 [ 98.811873][T10249] ------------[ cut here ]------------ [ 98.817606][T10249] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 98.826633][T10249] WARNING: CPU: 1 PID: 10249 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 98.837028][T10249] Kernel panic - not syncing: panic_on_warn set ... [ 98.843595][T10249] CPU: 1 PID: 10249 Comm: syz-executor415 Not tainted 5.6.0-rc5-syzkaller #0 [ 98.852328][T10249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.862367][T10249] Call Trace: [ 98.865658][T10249] dump_stack+0x188/0x20d [ 98.870010][T10249] ? debug_print_object+0x140/0x250 [ 98.875202][T10249] panic+0x2e3/0x75c [ 98.879091][T10249] ? add_taint.cold+0x16/0x16 [ 98.883758][T10249] ? __probe_kernel_read+0x188/0x1d0 [ 98.889021][T10249] ? __warn.cold+0x14/0x35 [ 98.893435][T10249] ? __warn+0xd5/0x1c8 [ 98.897501][T10249] ? debug_print_object+0x160/0x250 [ 98.902688][T10249] __warn.cold+0x2f/0x35 [ 98.906914][T10249] ? debug_print_object+0x160/0x250 [ 98.912105][T10249] report_bug+0x27b/0x2f0 [ 98.916433][T10249] do_error_trap+0x12b/0x220 [ 98.921003][T10249] ? debug_print_object+0x160/0x250 [ 98.926202][T10249] do_invalid_op+0x32/0x40 [ 98.930598][T10249] ? debug_print_object+0x160/0x250 [ 98.935807][T10249] invalid_op+0x23/0x30 [ 98.939941][T10249] RIP: 0010:debug_print_object+0x160/0x250 [ 98.945722][T10249] Code: dd c0 f3 51 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd c0 f3 51 88 48 c7 c7 20 e9 51 88 e8 f8 d6 b1 fd <0f> 0b 83 05 0b b5 d3 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 98.965306][T10249] RSP: 0018:ffffc90001d5f178 EFLAGS: 00010282 [ 98.971365][T10249] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 98.979315][T10249] RDX: 0000000000000000 RSI: ffffffff815bf511 RDI: fffff520003abe21 [ 98.987270][T10249] RBP: 0000000000000001 R08: ffff88809ae2e100 R09: fffffbfff180e578 [ 98.995224][T10249] R10: fffffbfff180e577 R11: ffffffff8c072bbf R12: ffffffff897acba0 [ 99.003176][T10249] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920003abe3c [ 99.011145][T10249] ? vprintk_func+0x81/0x17e [ 99.015721][T10249] ? debug_print_object+0x160/0x250 [ 99.020901][T10249] ? lockdep_hardirqs_on+0x417/0x5d0 [ 99.026171][T10249] debug_object_activate+0x346/0x470 [ 99.031440][T10249] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 99.037230][T10249] ? debug_object_init_on_stack+0x20/0x20 [ 99.042929][T10249] ? find_held_lock+0x2d/0x110 [ 99.047678][T10249] ? free_object+0x70/0x70 [ 99.052097][T10249] ? lock_downgrade+0x7f0/0x7f0 [ 99.056927][T10249] ? delayed_work_timer_fn+0x90/0x90 [ 99.062189][T10249] call_rcu+0x2c/0x690 [ 99.066242][T10249] queue_rcu_work+0x82/0xa0 [ 99.070731][T10249] route4_change+0x19e8/0x2250 [ 99.075478][T10249] ? route4_destroy+0x800/0x800 [ 99.080321][T10249] ? wait_for_completion+0x3c0/0x3c0 [ 99.085593][T10249] tc_new_tfilter+0xa59/0x20b0 [ 99.090348][T10249] ? route4_destroy+0x800/0x800 [ 99.095291][T10249] ? tc_del_tfilter+0x1430/0x1430 [ 99.100312][T10249] ? __lock_acquire+0x80b/0x3ca0 [ 99.105252][T10249] ? rcu_read_lock_held+0x9c/0xb0 [ 99.110281][T10249] ? tc_del_tfilter+0x1430/0x1430 [ 99.115288][T10249] rtnetlink_rcv_msg+0x810/0xad0 [ 99.120207][T10249] ? rtnl_bridge_getlink+0x880/0x880 [ 99.125478][T10249] ? mark_held_locks+0xe0/0xe0 [ 99.130218][T10249] ? netlink_deliver_tap+0x146/0xb50 [ 99.135484][T10249] netlink_rcv_skb+0x15a/0x410 [ 99.140227][T10249] ? rtnl_bridge_getlink+0x880/0x880 [ 99.145491][T10249] ? netlink_ack+0xa80/0xa80 [ 99.150073][T10249] netlink_unicast+0x537/0x740 [ 99.154826][T10249] ? netlink_attachskb+0x810/0x810 [ 99.159920][T10249] ? _copy_from_iter_full+0x25c/0x870 [ 99.165278][T10249] netlink_sendmsg+0x882/0xe10 [ 99.170025][T10249] ? netlink_unicast+0x740/0x740 [ 99.174947][T10249] ? netlink_unicast+0x740/0x740 [ 99.179874][T10249] sock_sendmsg+0xcf/0x120 [ 99.184270][T10249] ____sys_sendmsg+0x6b9/0x7d0 [ 99.189014][T10249] ? kernel_sendmsg+0x50/0x50 [ 99.193698][T10249] ___sys_sendmsg+0x100/0x170 [ 99.198355][T10249] ? sendmsg_copy_msghdr+0x70/0x70 [ 99.203458][T10249] ? __fget_files+0x329/0x4f0 [ 99.208122][T10249] ? ksys_dup3+0x3c0/0x3c0 [ 99.212528][T10249] ? __fget_light+0x208/0x270 [ 99.217217][T10249] __sys_sendmsg+0xec/0x1b0 [ 99.221701][T10249] ? __sys_sendmsg_sock+0xb0/0xb0 [ 99.226704][T10249] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 99.232687][T10249] ? __x64_sys_futex+0x380/0x4f0 [ 99.237622][T10249] ? trace_hardirqs_off_caller+0x55/0x230 [ 99.243364][T10249] ? do_syscall_64+0x21/0x7d0 [ 99.248024][T10249] do_syscall_64+0xf6/0x7d0 [ 99.252522][T10249] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.258399][T10249] RIP: 0033:0x446799 [ 99.262272][T10249] Code: e8 4c bf 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 4b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 99.281865][T10249] RSP: 002b:00007f54ee844d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 99.290252][T10249] RAX: ffffffffffffffda RBX: 00000000006dcc68 RCX: 0000000000446799 [ 99.298205][T10249] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 99.306182][T10249] RBP: 00000000006dcc60 R08: 0000000000000000 R09: 0000000000000000 [ 99.314135][T10249] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc6c [ 99.322091][T10249] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 99.331442][T10249] Kernel Offset: disabled [ 99.335826][T10249] Rebooting in 86400 seconds..