[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 25.268019] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 26.481918] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.825307] random: sshd: uninitialized urandom read (32 bytes read) [ 27.442989] random: sshd: uninitialized urandom read (32 bytes read) [ 27.658258] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts. [ 33.334465] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program [ 33.466439] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program executing program [ 33.562218] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program executing program executing program executing program [ 38.561422] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 38.597939] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 38.622909] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 38.647914] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 38.672630] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 38.697087] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 38.721994] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 38.746378] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program [ 38.771933] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 38.796505] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 43.572594] net_ratelimit: 538 callbacks suppressed [ 43.572601] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 43.605194] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 43.630715] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 43.655991] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 43.681860] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 43.706528] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 43.731504] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 43.757722] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program [ 43.781513] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 43.805562] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 48.580166] net_ratelimit: 530 callbacks suppressed [ 48.580173] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 48.611647] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 48.636310] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 48.660109] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 48.686293] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 48.711837] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 48.736770] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 48.762386] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program [ 48.786889] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 48.812012] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 53.595494] net_ratelimit: 543 callbacks suppressed [ 53.595505] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 53.626253] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 53.650484] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 53.675091] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 53.700303] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 53.725216] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 53.750690] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 53.775772] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program [ 53.800965] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 53.826076] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 58.602025] net_ratelimit: 536 callbacks suppressed [ 58.602037] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 58.634431] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 58.660121] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 58.685149] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 58.710426] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 58.735129] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 58.760957] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 58.785849] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program [ 58.810400] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 58.835860] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 63.614169] net_ratelimit: 544 callbacks suppressed [ 63.614177] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 63.644149] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 63.669716] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 63.694262] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 63.718953] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 63.743261] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 63.768200] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 63.793515] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. executing program executing program [ 63.818386] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 63.843062] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 63.856232] ================================================================== [ 63.863689] BUG: KASAN: use-after-free in tls_write_space+0x29d/0x2d0 [ 63.870262] Read of size 8 at addr ffff8801bf24e670 by task syz-executor095/7819 [ 63.877797] [ 63.879433] CPU: 0 PID: 7819 Comm: syz-executor095 Not tainted 4.19.0-rc4+ #227 [ 63.886875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.896222] Call Trace: [ 63.898824] dump_stack+0x1c4/0x2b4 [ 63.902459] ? dump_stack_print_info.cold.2+0x52/0x52 [ 63.907859] ? printk+0xa7/0xcf [ 63.911153] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 63.915929] print_address_description.cold.8+0x9/0x1ff [ 63.921299] kasan_report.cold.9+0x242/0x309 [ 63.925705] ? tls_write_space+0x29d/0x2d0 [ 63.929965] __asan_report_load8_noabort+0x14/0x20 [ 63.934909] tls_write_space+0x29d/0x2d0 [ 63.938976] tcp_check_space+0x53f/0x920 [ 63.943053] ? tcp_prune_ofo_queue.part.52+0x8e0/0x8e0 [ 63.948338] ? tcp_xmit_recovery.part.65+0x130/0x130 [ 63.953449] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 63.958993] tcp_rcv_established+0xde8/0x2120 [ 63.963496] ? tcp_data_queue+0x4790/0x4790 [ 63.967824] ? __local_bh_enable_ip+0x160/0x260 [ 63.972497] ? __local_bh_enable_ip+0x160/0x260 [ 63.977185] ? trace_hardirqs_on+0xbd/0x310 [ 63.981506] ? _raw_spin_unlock_bh+0x30/0x40 [ 63.985912] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 63.991364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.996909] tcp_v6_do_rcv+0x4b3/0x13c0 [ 64.000888] __release_sock+0x12f/0x3a0 [ 64.004870] ? do_raw_spin_lock+0xc1/0x200 [ 64.009110] release_sock+0xad/0x2c0 [ 64.012844] ? __release_sock+0x3a0/0x3a0 [ 64.016997] ? graph_lock+0x170/0x170 [ 64.020822] sk_stream_wait_memory+0x752/0x1290 [ 64.025503] ? sk_stream_kill_queues+0x530/0x530 [ 64.030279] ? __init_waitqueue_head+0x150/0x150 [ 64.035036] ? __kmalloc+0x5de/0x760 [ 64.038753] ? memset+0x31/0x40 [ 64.042050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 64.047586] ? __phys_addr+0xa6/0x120 [ 64.051389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 64.056923] ? get_rec+0x9c/0x630 [ 64.060385] tls_sw_sendmsg+0x6bb/0x17a0 [ 64.064467] ? get_rec+0x630/0x630 [ 64.068030] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 64.072957] ? aa_sk_perm+0x218/0x8b0 [ 64.076763] ? aa_af_perm+0x5a0/0x5a0 [ 64.080567] ? usercopy_warn+0x110/0x110 [ 64.084641] inet_sendmsg+0x1a1/0x690 [ 64.088458] ? ipip_gro_receive+0x100/0x100 [ 64.092794] ? apparmor_socket_sendmsg+0x29/0x30 [ 64.097565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 64.103104] ? security_socket_sendmsg+0x94/0xc0 [ 64.107867] ? ipip_gro_receive+0x100/0x100 [ 64.112199] sock_sendmsg+0xd5/0x120 [ 64.115913] __sys_sendto+0x3d7/0x670 [ 64.119717] ? __ia32_sys_getpeername+0xb0/0xb0 [ 64.124386] ? _raw_spin_unlock_bh+0x30/0x40 [ 64.128790] ? release_sock+0x1ec/0x2c0 [ 64.132767] ? __release_sock+0x3a0/0x3a0 [ 64.136938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 64.142477] ? _copy_from_user+0xdf/0x150 [ 64.146624] ? sk_stream_wait_memory+0x1290/0x1290 [ 64.151558] ? tls_setsockopt+0xb2/0x770 [ 64.155631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 64.161196] ? do_syscall_64+0x9a/0x820 [ 64.165182] ? do_syscall_64+0x9a/0x820 [ 64.169174] ? lockdep_hardirqs_on+0x421/0x5c0 [ 64.173755] ? trace_hardirqs_on+0xbd/0x310 [ 64.178092] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.183477] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 64.188933] __x64_sys_sendto+0xe1/0x1a0 [ 64.193011] do_syscall_64+0x1b9/0x820 [ 64.196900] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 64.202270] ? syscall_return_slowpath+0x5e0/0x5e0 [ 64.207199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.212042] ? trace_hardirqs_on_caller+0x310/0x310 [ 64.217060] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 64.222081] ? prepare_exit_to_usermode+0x291/0x3b0 [ 64.227105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.231966] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.237162] RIP: 0033:0x441109 [ 64.240382] Code: e8 ac e8 ff ff 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 0b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.259284] RSP: 002b:00007ffe807e6ff8 EFLAGS: 00000217 ORIG_RAX: 000000000000002c [ 64.266995] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441109 [ 64.274262] RDX: 000000000000c000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 64.281531] RBP: 0000000000000000 R08: 0000000020000000 R09: 000000000000001c [ 64.288803] R10: 0000000000000000 R11: 0000000000000217 R12: 000000000000e8e0 [ 64.296073] R13: 0000000000402030 R14: 0000000000000000 R15: 0000000000000000 [ 64.303353] [ 64.304977] Allocated by task 3226: [ 64.308616] save_stack+0x43/0xd0 [ 64.312079] kasan_kmalloc+0xc7/0xe0 [ 64.315825] kmem_cache_alloc_trace+0x152/0x750 [ 64.320494] kernfs_fop_open+0x358/0xf90 [ 64.324552] do_dentry_open+0x499/0x1250 [ 64.328624] vfs_open+0xa0/0xd0 [ 64.331899] path_openat+0x12bf/0x5160 [ 64.335806] do_filp_open+0x255/0x380 [ 64.339604] do_sys_open+0x568/0x700 [ 64.343357] __x64_sys_open+0x7e/0xc0 [ 64.347188] do_syscall_64+0x1b9/0x820 [ 64.351079] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.356263] [ 64.357892] Freed by task 3226: [ 64.361186] save_stack+0x43/0xd0 [ 64.364638] __kasan_slab_free+0x102/0x150 [ 64.368875] kasan_slab_free+0xe/0x10 [ 64.372677] kfree+0xcf/0x230 [ 64.375810] kernfs_fop_release+0x12b/0x1a0 [ 64.380127] __fput+0x385/0xa30 [ 64.383417] ____fput+0x15/0x20 [ 64.386696] task_work_run+0x1e8/0x2a0 [ 64.390588] exit_to_usermode_loop+0x318/0x380 [ 64.395178] do_syscall_64+0x6be/0x820 [ 64.399073] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.404253] [ 64.405884] The buggy address belongs to the object at ffff8801bf24e580 [ 64.405884] which belongs to the cache kmalloc-512 of size 512 [ 64.418546] The buggy address is located 240 bytes inside of [ 64.418546] 512-byte region [ffff8801bf24e580, ffff8801bf24e780) [ 64.430418] The buggy address belongs to the page: [ 64.435364] page:ffffea0006fc9380 count:1 mapcount:0 mapping:ffff8801da800940 index:0xffff8801bf24e580 [ 64.444819] flags: 0x2fffc0000000100(slab) [ 64.449056] raw: 02fffc0000000100 ffffea00070e3a08 ffffea00070e3a88 ffff8801da800940 [ 64.456938] raw: ffff8801bf24e580 ffff8801bf24e080 0000000100000001 0000000000000000 [ 64.464822] page dumped because: kasan: bad access detected [ 64.470527] [ 64.472158] Memory state around the buggy address: [ 64.477094] ffff8801bf24e500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 64.484453] ffff8801bf24e580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.491812] >ffff8801bf24e600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.499174] ^ [ 64.506188] ffff8801bf24e680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.513548] ffff8801bf24e700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.520900] ================================================================== [ 64.528269] Disabling lock debugging due to kernel taint [ 64.534661] Kernel panic - not syncing: panic_on_warn set ... [ 64.534661] [ 64.542062] CPU: 0 PID: 7819 Comm: syz-executor095 Tainted: G B 4.19.0-rc4+ #227 [ 64.550898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.560249] Call Trace: [ 64.562852] dump_stack+0x1c4/0x2b4 [ 64.566483] ? dump_stack_print_info.cold.2+0x52/0x52 [ 64.571681] panic+0x238/0x4e7 [ 64.574872] ? add_taint.cold.5+0x16/0x16 [ 64.579017] ? preempt_schedule+0x4d/0x60 [ 64.583177] ? ___preempt_schedule+0x16/0x18 [ 64.587589] ? trace_hardirqs_on+0xb4/0x310 [ 64.591927] kasan_end_report+0x47/0x4f [ 64.595899] kasan_report.cold.9+0x76/0x309 [ 64.600219] ? tls_write_space+0x29d/0x2d0 [ 64.604456] __asan_report_load8_noabort+0x14/0x20 [ 64.609386] tls_write_space+0x29d/0x2d0 [ 64.613448] tcp_check_space+0x53f/0x920 [ 64.617510] ? tcp_prune_ofo_queue.part.52+0x8e0/0x8e0 [ 64.622786] ? tcp_xmit_recovery.part.65+0x130/0x130 [ 64.627892] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 64.633433] tcp_rcv_established+0xde8/0x2120 [ 64.637932] ? tcp_data_queue+0x4790/0x4790 [ 64.642267] ? __local_bh_enable_ip+0x160/0x260 [ 64.646944] ? __local_bh_enable_ip+0x160/0x260 [ 64.651616] ? trace_hardirqs_on+0xbd/0x310 [ 64.655934] ? _raw_spin_unlock_bh+0x30/0x40 [ 64.660344] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 64.665791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 64.671330] tcp_v6_do_rcv+0x4b3/0x13c0 [ 64.675308] __release_sock+0x12f/0x3a0 [ 64.679295] ? do_raw_spin_lock+0xc1/0x200 [ 64.683536] release_sock+0xad/0x2c0 [ 64.687246] ? __release_sock+0x3a0/0x3a0 [ 64.691395] ? graph_lock+0x170/0x170 [ 64.695203] sk_stream_wait_memory+0x752/0x1290 [ 64.699886] ? sk_stream_kill_queues+0x530/0x530 [ 64.704647] ? __init_waitqueue_head+0x150/0x150 [ 64.709402] ? __kmalloc+0x5de/0x760 [ 64.713115] ? memset+0x31/0x40 [ 64.716402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 64.721938] ? __phys_addr+0xa6/0x120 [ 64.725740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 64.731273] ? get_rec+0x9c/0x630 [ 64.734730] tls_sw_sendmsg+0x6bb/0x17a0 [ 64.738803] ? get_rec+0x630/0x630 [ 64.742348] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 64.747274] ? aa_sk_perm+0x218/0x8b0 [ 64.751073] ? aa_af_perm+0x5a0/0x5a0 [ 64.754871] ? usercopy_warn+0x110/0x110 [ 64.758932] inet_sendmsg+0x1a1/0x690 [ 64.762730] ? ipip_gro_receive+0x100/0x100 [ 64.767051] ? apparmor_socket_sendmsg+0x29/0x30 [ 64.771805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 64.777351] ? security_socket_sendmsg+0x94/0xc0 [ 64.782107] ? ipip_gro_receive+0x100/0x100 [ 64.786437] sock_sendmsg+0xd5/0x120 [ 64.790158] __sys_sendto+0x3d7/0x670 [ 64.793964] ? __ia32_sys_getpeername+0xb0/0xb0 [ 64.799094] ? _raw_spin_unlock_bh+0x30/0x40 [ 64.803497] ? release_sock+0x1ec/0x2c0 [ 64.807468] ? __release_sock+0x3a0/0x3a0 [ 64.811629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 64.817176] ? _copy_from_user+0xdf/0x150 [ 64.821335] ? sk_stream_wait_memory+0x1290/0x1290 [ 64.826267] ? tls_setsockopt+0xb2/0x770 [ 64.830333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 64.835888] ? do_syscall_64+0x9a/0x820 [ 64.839864] ? do_syscall_64+0x9a/0x820 [ 64.843840] ? lockdep_hardirqs_on+0x421/0x5c0 [ 64.848421] ? trace_hardirqs_on+0xbd/0x310 [ 64.852746] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.858109] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 64.863568] __x64_sys_sendto+0xe1/0x1a0 [ 64.867630] do_syscall_64+0x1b9/0x820 [ 64.871519] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 64.876882] ? syscall_return_slowpath+0x5e0/0x5e0 [ 64.881809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.886662] ? trace_hardirqs_on_caller+0x310/0x310 [ 64.891679] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 64.896697] ? prepare_exit_to_usermode+0x291/0x3b0 [ 64.901711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.906553] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.911739] RIP: 0033:0x441109 [ 64.914933] Code: e8 ac e8 ff ff 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 0b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.933826] RSP: 002b:00007ffe807e6ff8 EFLAGS: 00000217 ORIG_RAX: 000000000000002c [ 64.941532] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441109 [ 64.948797] RDX: 000000000000c000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 64.956060] RBP: 0000000000000000 R08: 0000000020000000 R09: 000000000000001c [ 64.963327] R10: 0000000000000000 R11: 0000000000000217 R12: 000000000000e8e0 [ 64.970592] R13: 0000000000402030 R14: 0000000000000000 R15: 0000000000000000 [ 64.978732] Kernel Offset: disabled [ 64.982353] Rebooting in 86400 seconds..