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Bug #4916

Updated by Victor Julien almost 3 years ago

In the logs he often writes: 
 <pre> 
 [3247] 19/12/2021 -- 11:32:41 - (source-af-packet.c:837) <Warning> (AFPWritePacket) -- [ERRCODE: SC_ERR_SOCKET(200)] - Sending packet failed on socket 20: Message too long 
 [3263] 19/12/2021 -- 11:33:13 - (source-af-packet.c:837) <Warning> (AFPWritePacket) -- [ERRCODE: SC_ERR_SOCKET(200)] - Sending packet failed on socket 68: Message too long 
 </pre> 

 Launched in the kvm virtual machine 

 name -a 
 <pre> [spoiler] 
 Linux VM-CK-IPS1 5.10.85-gentoo #1 SMP Wed Dec 15 22:01:04 MSK 2021 x86_64 Intel(R) Xeon(R) CPU E5-1680 v4 @ 3.40GHz GenuineIntel GNU/Linux 
 </pre> [/spoiler] 

 suricata --build-info 
 <pre> [spoiler] 
 This is Suricata version 6.0.5-dev (87f04475a 2021-12-14) 
 Features: PCAP_SET_BUFF AF_PACKET HAVE_PACKET_FANOUT LIBCAP_NG HAVE_HTP_URI_NORMALIZE_HOOK PCRE_JIT HAVE_NSS HTTP2_DECOMPRESSION HAVE_LIBJANSSON TLS TLS_C11 MAGIC RUST  
 SIMD support: SSE_4_2 SSE_4_1 SSE_3  
 Atomic intrinsics: 1 2 4 8 16 byte(s) 
 64-bits, Little-endian architecture 
 GCC version 11.2.0, C version 201112 
 compiled with _FORTIFY_SOURCE=2 
 L1 cache line size (CLS)=64 
 thread local storage method: _Thread_local 
 compiled with LibHTP v0.5.39, linked against LibHTP v0.5.39 

 Suricata Configuration: 
   AF_PACKET support:                         yes 
   eBPF support:                              yes 
   XDP support:                               yes 
   PF_RING support:                           no 
   NFQueue support:                           no 
   NFLOG support:                             no 
   IPFW support:                              no 
   Netmap support:                            no  
   DAG enabled:                               no 
   Napatech enabled:                          no 
   WinDivert enabled:                         no 

   Unix socket enabled:                       yes 
   Detection enabled:                         yes 

   Libmagic support:                          yes 
   libnss support:                            yes 
   libnspr support:                           yes 
   libjansson support:                        yes 
   hiredis support:                           no 
   hiredis async with libevent:               no 
   Prelude support:                           no 
   PCRE jit:                                  yes 
   LUA support:                               no 
   libluajit:                                 no 
   GeoIP2 support:                            yes 
   Non-bundled htp:                           no 
   Hyperscan support:                         yes 
   Libnet support:                            no 
   liblz4 support:                            yes 
   HTTP2 decompression:                       yes 

   Rust support:                              yes 
   Rust strict mode:                          no 
   Rust compiler path:                        /usr/bin/rustc 
   Rust compiler version:                     rustc 1.57.0 (gentoo) 
   Cargo path:                                /usr/bin/cargo 
   Cargo version:                             cargo 1.57.0 
   Cargo vendor:                              yes 

   Python support:                            yes 
   Python path:                               /usr/bin/python3 
   Python distutils                           yes 
   Python yaml                                yes 
   Install suricatactl:                       yes 
   Install suricatasc:                        yes 
   Install suricata-update:                   not bundled 

   Profiling enabled:                         no 
   Profiling locks enabled:                   no 

   Plugin support (experimental):             yes 

 Development settings: 
   Coccinelle / spatch:                       no 
   Unit tests enabled:                        no 
   Debug output enabled:                      no 
   Debug validation enabled:                  no 

 Generic build parameters: 
   Installation prefix:                       /usr 
   Configuration directory:                   /etc/suricata/ 
   Log directory:                             /var/log/suricata/ 

   --prefix                                   /usr 
   --sysconfdir                               /etc 
   --localstatedir                            /var 
   --datarootdir                              /usr/share 

   Host:                                      x86_64-pc-linux-gnu 
   Compiler:                                  gcc (exec name) / g++ (real) 
   GCC Protect enabled:                       no 
   GCC march native enabled:                  yes 
   GCC Profile enabled:                       yes 
   Position Independent Executable enabled: no 
   CFLAGS                                     -g -O2 -std=c11 -pg -march=native -I${srcdir}/../rust/gen -I${srcdir}/../rust/dist 
   PCAP_CFLAGS                                
   SECCFLAGS                                 
 </pre> [/spoiler] 

 fix script: 
 <pre> [spoiler] 
 ethtool -K enp0s19 tx off sg off gro off gso off lro off tso off 
 ethtool -K enp0s20 tx off sg off gro off gso off lro off tso off 
 ethtool -K enp0s21 tx off sg off gro off gso off lro off tso off 
 ethtool -K enp0s22 tx off sg off gro off gso off lro off tso off 
 ifconfig enp0s19 mtu 3000 
 ifconfig enp0s20 mtu 3000 
 ifconfig enp0s21 mtu 3000 
 ifconfig enp0s22 mtu 3000 
 ifconfig enp0s19 up 
 ifconfig enp0s20 up 
 ifconfig enp0s21 up 
 ifconfig enp0s22 up 
 ethtool -K enp0s19 tx off sg off gro off gso off lro off tso off 
 ethtool -K enp0s20 tx off sg off gro off gso off lro off tso off 
 ethtool -K enp0s21 tx off sg off gro off gso off lro off tso off 
 ethtool -K enp0s22 tx off sg off gro off gso off lro off tso off 
 ifconfig enp0s19 mtu 3000 
 ifconfig enp0s20 mtu 3000 
 ifconfig enp0s21 mtu 3000 
 ifconfig enp0s22 mtu 3000 
 rc-service suricata restart 
 </pre> [/spoiler] 

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