[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 11.317691] random: crng init done Starting mcstransd: [....] 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 Warning: Permanently added '10.128.0.138' (ECDSA) to the list of known hosts. 2019/08/02 19:31:59 parsed 1 programs 2019/08/02 19:32:00 executed programs: 0 syzkaller login: [ 78.647545] audit: type=1400 audit(1564774320.969:5): avc: denied { sys_admin } for pid=2090 comm="syz-executor.0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 78.665599] audit: type=1400 audit(1564774320.979:6): avc: denied { net_admin } for pid=2091 comm="syz-executor.0" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 78.806714] audit: type=1400 audit(1564774321.129:7): avc: denied { sys_chroot } for pid=2091 comm="syz-executor.0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 78.832942] audit: type=1400 audit(1564774321.149:8): avc: denied { associate } for pid=2091 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 78.869515] capability: warning: `syz-executor.0' uses 32-bit capabilities (legacy support in use) [ 79.058172] ------------[ cut here ]------------ [ 79.063062] WARNING: CPU: 0 PID: 2190 at net/ipv4/tcp.c:2193 tcp_close+0xced/0x1070 [ 79.070866] Kernel panic - not syncing: panic_on_warn set ... [ 79.070866] [ 79.078211] CPU: 0 PID: 2190 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 79.085206] ffff8801cb73fbc0 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff [ 79.093218] ffffffff82ca3800 0000000000000000 0000000000000009 ffff8801cb73fc80 [ 79.101222] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 79.109251] Call Trace: [ 79.111823] [] dump_stack+0xc1/0x128 [ 79.117167] [] panic+0x1bf/0x39f [ 79.122187] [] ? add_taint.cold.5+0x16/0x16 [ 79.128151] [] ? __warn.cold.8+0x14/0x2f [ 79.133842] [] ? tcp_close+0xced/0x1070 [ 79.139466] [] __warn.cold.8+0x2f/0x2f [ 79.144982] [] warn_slowpath_null+0x2c/0x40 [ 79.150933] [] tcp_close+0xced/0x1070 [ 79.156361] [] ? ip_mc_drop_socket+0x1d3/0x230 [ 79.162679] [] inet_release+0xff/0x1d0 [ 79.168215] [] inet6_release+0x50/0x70 [ 79.173739] [] __sock_release+0xd7/0x260 [ 79.179542] [] ? __sock_release+0x260/0x260 [ 79.185665] [] sock_close+0x19/0x20 [ 79.190921] [] __fput+0x263/0x700 [ 79.196026] [] ____fput+0x15/0x20 [ 79.201121] [] task_work_run+0x10c/0x180 [ 79.206865] [] exit_to_usermode_loop+0x129/0x150 [ 79.213281] [] do_syscall_64+0x3e2/0x550 [ 79.218973] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 79.226579] Kernel Offset: disabled [ 79.230231] Rebooting in 86400 seconds..