[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 15.294699][ T22] audit: type=1400 audit(1582391218.190:10): avc: denied { watch } for pid=1783 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 [ 15.321056][ T22] audit: type=1400 audit(1582391218.190:11): avc: denied { watch } for pid=1783 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2280 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 16.916263][ T22] audit: type=1400 audit(1582391219.810:12): avc: denied { map } for pid=1860 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 '10.128.0.53' (ECDSA) to the list of known hosts. executing program executing program [ 23.043381][ T22] audit: type=1400 audit(1582391225.930:13): avc: denied { map } for pid=1872 comm="syz-executor075" path="/root/syz-executor075089165" 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 [ 23.054760][ T1874] audit: audit_lost=1 audit_rate_limit=2 audit_backlog_limit=0 [ 23.073104][ T22] audit: type=1305 audit(1582391225.930:14): op=set audit_failure=2 old=1 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 23.081851][ T1874] Kernel panic - not syncing: audit: rate limit exceeded [ 23.098864][ T22] audit: type=1305 audit(1582391225.930:15): op=set audit_pid=0 old=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 23.105325][ T1874] CPU: 1 PID: 1874 Comm: syz-executor075 Not tainted 5.4.21-syzkaller-00756-ge12432318607 #0 [ 23.105329][ T1874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.105332][ T1874] Call Trace: [ 23.105351][ T1874] dump_stack+0x1b0/0x228 [ 23.105360][ T1874] ? devkmsg_release+0x127/0x127 [ 23.105368][ T1874] ? _raw_spin_trylock+0xc6/0x190 [ 23.105375][ T1874] ? show_regs_print_info+0x18/0x18 [ 23.105382][ T1874] panic+0x26c/0x719 [ 23.105397][ T1874] ? audit_log_lost+0x114/0x1e0 [ 23.122455][ T22] audit: type=1305 audit(1582391225.930:16): op=set audit_rate_limit=2 old=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 23.132553][ T1874] ? nmi_panic+0x97/0x97 [ 23.132563][ T1874] ? audit_log_task_context+0x1b1/0x2d0 [ 23.132571][ T1874] audit_log_lost+0x1d7/0x1e0 [ 23.132578][ T1874] audit_log_end+0x1f1/0x230 [ 23.132592][ T1874] audit_log_config_change+0x131/0x190 [ 23.143424][ T22] audit: type=1305 audit(1582391225.930:17): op=set audit_backlog_limit=0 old=64 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 23.146630][ T1874] audit_receive+0x2c4a/0x3750 [ 23.146645][ T1874] ? jhash+0x750/0x750 [ 23.152060][ T22] audit: type=1305 audit(1582391225.930:18): op=set audit_enabled=1 old=1 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 23.157246][ T1874] ? audit_net_exit+0x90/0x90 [ 23.157256][ T1874] ? __alloc_skb+0x109/0x540 [ 23.157263][ T1874] ? jhash+0x750/0x750 [ 23.157270][ T1874] ? avc_has_perm+0x15f/0x260 [ 23.157284][ T1874] ? __rcu_read_lock+0x50/0x50 [ 23.162874][ T22] audit: type=1305 audit(1582391225.930:18): op=set audit_failure=2 old=2 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 [ 23.168446][ T1874] ? __netlink_lookup+0x585/0x600 [ 23.168454][ T1874] ? netlink_deliver_tap+0xa4/0x7e0 [ 23.168459][ T1874] ? netlink_autobind+0x1c0/0x1c0 [ 23.168467][ T1874] ? __rcu_read_lock+0x50/0x50 [ 23.168474][ T1874] ? selinux_vm_enough_memory+0x160/0x160 [ 23.168487][ T1874] netlink_unicast+0x87c/0xa20 [ 23.335673][ T1874] ? netlink_detachskb+0x60/0x60 [ 23.340811][ T1874] ? security_netlink_send+0xab/0xc0 [ 23.346182][ T1874] netlink_sendmsg+0x9a7/0xd40 [ 23.352412][ T1874] ? netlink_getsockopt+0x900/0x900 [ 23.357628][ T1874] ? security_socket_sendmsg+0xad/0xc0 [ 23.363341][ T1874] ? netlink_getsockopt+0x900/0x900 [ 23.368539][ T1874] ____sys_sendmsg+0x56f/0x860 [ 23.374214][ T1874] ? __sys_sendmsg_sock+0x2a0/0x2a0 [ 23.380454][ T1874] ? __kasan_check_read+0x11/0x20 [ 23.386191][ T1874] ? __kasan_check_read+0x11/0x20 [ 23.391577][ T1874] ? __fdget+0x156/0x200 [ 23.396647][ T1874] __sys_sendmsg+0x26a/0x350 [ 23.401321][ T1874] ? ____sys_sendmsg+0x860/0x860 [ 23.406272][ T1874] ? finish_fault+0x230/0x230 [ 23.411317][ T1874] ? ktime_get_coarse_real_ts64+0xf3/0x110 [ 23.418001][ T1874] ? __audit_syscall_entry+0x357/0x4e0 [ 23.423529][ T1874] ? syscall_trace_enter+0x683/0xa90 [ 23.428830][ T1874] __x64_sys_sendmsg+0x7f/0x90 [ 23.433728][ T1874] do_syscall_64+0xc0/0x100 [ 23.438456][ T1874] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.445309][ T1874] RIP: 0033:0x441239 [ 23.449246][ T1874] Code: e8 fc ab 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 9b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 23.471605][ T1874] RSP: 002b:00007fff4edc71d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.479995][ T1874] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441239 [ 23.487951][ T1874] RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000003 [ 23.496027][ T1874] RBP: 00000000000059f4 R08: 00000000004002c8 R09: 00000000004002c8 [ 23.504107][ T1874] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000402060 [ 23.512327][ T1874] R13: 00000000004020f0 R14: 0000000000000000 R15: 0000000000000000 [ 23.521098][ T1874] Kernel Offset: disabled [ 23.525423][ T1874] Rebooting in 86400 seconds..