[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 11.401110] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. D[ 12.606778] random: crng init done ebian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.22' (ECDSA) to the list of known hosts. 2019/09/14 16:17:49 parsed 1 programs 2019/09/14 16:17:51 executed programs: 0 syzkaller login: [ 36.892104] audit: type=1400 audit(1568477871.814:5): avc: denied { associate } for pid=2064 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 2019/09/14 16:17:56 executed programs: 52 [ 41.551542] ------------[ cut here ]------------ [ 41.556374] WARNING: CPU: 0 PID: 2420 at net/ipv4/tcp.c:2193 tcp_close+0xced/0x1070 [ 41.566530] Kernel panic - not syncing: panic_on_warn set ... [ 41.566530] [ 41.573875] CPU: 0 PID: 2420 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 41.580789] ffff8801ce4dfbc0 ffffffff81b42e79 ffffffff82a38ce0 00000000ffffffff [ 41.588882] ffffffff82ca3800 0000000000000000 0000000000000009 ffff8801ce4dfc80 [ 41.596934] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 41.605035] Call Trace: [ 41.607624] [] dump_stack+0xc1/0x128 [ 41.613054] [] panic+0x1bf/0x39f [ 41.618072] [] ? add_taint.cold.5+0x16/0x16 [ 41.624038] [] ? __warn.cold.8+0x14/0x2f [ 41.630080] [] ? tcp_close+0xced/0x1070 [ 41.635738] [] __warn.cold.8+0x2f/0x2f [ 41.641374] [] warn_slowpath_null+0x2c/0x40 [ 41.647430] [] tcp_close+0xced/0x1070 [ 41.652875] [] ? ip_mc_drop_socket+0x1d3/0x230 [ 41.659091] [] inet_release+0xff/0x1d0 [ 41.664608] [] inet6_release+0x50/0x70 [ 41.670128] [] __sock_release+0xd7/0x260 [ 41.675820] [] ? __sock_release+0x260/0x260 [ 41.681771] [] sock_close+0x19/0x20 [ 41.687031] [] __fput+0x263/0x700 [ 41.692113] [] ____fput+0x15/0x20 [ 41.697200] [] task_work_run+0x10c/0x180 [ 41.703413] [] exit_to_usermode_loop+0x129/0x150 [ 41.709884] [] do_syscall_64+0x3e2/0x550 [ 41.715587] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 41.723267] Kernel Offset: disabled [ 41.726980] Rebooting in 86400 seconds..