[ 89.823450][ T27] audit: type=1400 audit(1584041944.151:38): avc: denied { watch } for pid=10551 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. [ 90.101016][ T27] audit: type=1800 audit(1584041944.451:39): pid=10461 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 [ 90.123253][ T27] audit: type=1800 audit(1584041944.451:40): pid=10461 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 [ 91.014223][ T27] audit: type=1400 audit(1584041945.361:41): avc: denied { map } for pid=10638 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 '10.128.0.20' (ECDSA) to the list of known hosts. syzkaller login: [ 97.933464][ T27] audit: type=1400 audit(1584041952.281:42): avc: denied { map } for pid=10650 comm="syz-executor036" path="/root/syz-executor036546079" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 97.952845][T10651] IPVS: ftp: loaded support on port[0] = 21 executing program [ 97.990521][ T27] audit: type=1400 audit(1584041952.341:43): avc: denied { create } for pid=10651 comm="syz-executor036" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 98.007263][T10652] ------------[ cut here ]------------ [ 98.015962][ T27] audit: type=1400 audit(1584041952.341:44): avc: denied { write } for pid=10651 comm="syz-executor036" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 98.020999][T10652] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 98.046493][ T27] audit: type=1400 audit(1584041952.341:45): avc: denied { read } for pid=10651 comm="syz-executor036" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 98.055064][T10652] WARNING: CPU: 0 PID: 10652 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 98.088910][T10652] Kernel panic - not syncing: panic_on_warn set ... [ 98.095481][T10652] CPU: 0 PID: 10652 Comm: syz-executor036 Not tainted 5.6.0-rc5-syzkaller #0 [ 98.104307][T10652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.114351][T10652] Call Trace: [ 98.117647][T10652] dump_stack+0x188/0x20d [ 98.121974][T10652] ? debug_print_object+0x140/0x250 [ 98.127159][T10652] panic+0x2e3/0x75c [ 98.131049][T10652] ? add_taint.cold+0x16/0x16 [ 98.135725][T10652] ? __probe_kernel_read+0x188/0x1d0 [ 98.141080][T10652] ? __warn.cold+0x14/0x35 [ 98.145475][T10652] ? __warn+0xd5/0x1c8 [ 98.149544][T10652] ? debug_print_object+0x160/0x250 [ 98.154731][T10652] __warn.cold+0x2f/0x35 [ 98.158967][T10652] ? debug_print_object+0x160/0x250 [ 98.164162][T10652] report_bug+0x27b/0x2f0 [ 98.168487][T10652] do_error_trap+0x12b/0x220 [ 98.173067][T10652] ? debug_print_object+0x160/0x250 [ 98.178380][T10652] do_invalid_op+0x32/0x40 [ 98.182785][T10652] ? debug_print_object+0x160/0x250 [ 98.187977][T10652] invalid_op+0x23/0x30 [ 98.192134][T10652] RIP: 0010:debug_print_object+0x160/0x250 [ 98.197945][T10652] 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 [ 98.217545][T10652] RSP: 0018:ffffc90002427178 EFLAGS: 00010282 [ 98.223592][T10652] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 98.231559][T10652] RDX: 0000000000000000 RSI: ffffffff815bf511 RDI: fffff52000484e21 [ 98.239778][T10652] RBP: 0000000000000001 R08: ffff888097b04300 R09: fffffbfff180e578 [ 98.247744][T10652] R10: fffffbfff180e577 R11: ffffffff8c072bbf R12: ffffffff897acba0 [ 98.255705][T10652] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000484e3c [ 98.263762][T10652] ? vprintk_func+0x81/0x17e [ 98.268342][T10652] ? debug_print_object+0x160/0x250 [ 98.273534][T10652] ? lockdep_hardirqs_on+0x417/0x5d0 [ 98.278823][T10652] debug_object_activate+0x346/0x470 [ 98.284099][T10652] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 98.289903][T10652] ? debug_object_init_on_stack+0x20/0x20 [ 98.296231][T10652] ? find_held_lock+0x2d/0x110 [ 98.300996][T10652] ? free_object+0x70/0x70 [ 98.305459][T10652] ? lock_downgrade+0x7f0/0x7f0 [ 98.310291][T10652] ? delayed_work_timer_fn+0x90/0x90 [ 98.315627][T10652] call_rcu+0x2c/0x690 [ 98.319850][T10652] queue_rcu_work+0x82/0xa0 [ 98.324574][T10652] route4_change+0x19e8/0x2250 [ 98.329436][T10652] ? route4_destroy+0x800/0x800 [ 98.334321][T10652] ? wait_for_completion+0x3c0/0x3c0 [ 98.339619][T10652] tc_new_tfilter+0xa59/0x20b0 [ 98.344409][T10652] ? route4_destroy+0x800/0x800 [ 98.349308][T10652] ? tc_del_tfilter+0x1430/0x1430 [ 98.354361][T10652] ? __lock_acquire+0x80b/0x3ca0 [ 98.359322][T10652] ? rcu_read_lock_held+0x9c/0xb0 [ 98.364347][T10652] ? tc_del_tfilter+0x1430/0x1430 [ 98.369428][T10652] rtnetlink_rcv_msg+0x810/0xad0 [ 98.374396][T10652] ? rtnl_bridge_getlink+0x880/0x880 [ 98.379714][T10652] ? mark_held_locks+0xe0/0xe0 [ 98.384471][T10652] ? netlink_deliver_tap+0x146/0xb50 [ 98.389762][T10652] netlink_rcv_skb+0x15a/0x410 [ 98.394633][T10652] ? rtnl_bridge_getlink+0x880/0x880 [ 98.399924][T10652] ? netlink_ack+0xa80/0xa80 [ 98.404531][T10652] netlink_unicast+0x537/0x740 [ 98.409292][T10652] ? netlink_attachskb+0x810/0x810 [ 98.414649][T10652] ? _copy_from_iter_full+0x25c/0x870 [ 98.420151][T10652] netlink_sendmsg+0x882/0xe10 [ 98.424923][T10652] ? netlink_unicast+0x740/0x740 [ 98.429898][T10652] ? netlink_unicast+0x740/0x740 [ 98.434840][T10652] sock_sendmsg+0xcf/0x120 [ 98.439503][T10652] ____sys_sendmsg+0x6b9/0x7d0 [ 98.445139][T10652] ? kernel_sendmsg+0x50/0x50 [ 98.449959][T10652] ___sys_sendmsg+0x100/0x170 [ 98.454885][T10652] ? sendmsg_copy_msghdr+0x70/0x70 [ 98.460017][T10652] ? __fget_files+0x329/0x4f0 [ 98.464821][T10652] ? ksys_dup3+0x3c0/0x3c0 [ 98.469230][T10652] ? __fget_light+0x208/0x270 [ 98.473919][T10652] __sys_sendmsg+0xec/0x1b0 [ 98.478431][T10652] ? __sys_sendmsg_sock+0xb0/0xb0 [ 98.483451][T10652] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 98.489454][T10652] ? __x64_sys_futex+0x380/0x4f0 [ 98.494412][T10652] ? trace_hardirqs_off_caller+0x55/0x230 [ 98.500171][T10652] ? do_syscall_64+0x21/0x7d0 [ 98.504864][T10652] do_syscall_64+0xf6/0x7d0 [ 98.509399][T10652] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.515301][T10652] RIP: 0033:0x446da9 [ 98.519293][T10652] Code: e8 ec 0f 03 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 8b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 98.541587][T10652] RSP: 002b:00007f2d44cc9d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 98.550002][T10652] RAX: ffffffffffffffda RBX: 00000000006dcc68 RCX: 0000000000446da9 [ 98.558000][T10652] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 98.566072][T10652] RBP: 00000000006dcc60 R08: 0000000000000000 R09: 0000000000000000 [ 98.574050][T10652] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc6c [ 98.582016][T10652] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 98.591297][T10652] Kernel Offset: disabled [ 98.595870][T10652] Rebooting in 86400 seconds..