Suricata

A quick pcap + rules run with ubsan enabled suggests many issues in misaligned memory access

decode-icmpv4.c:62:9: runtime error: load of misaligned address 0x61e001c45c7a for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
decode-icmpv4.c:62:9: runtime error: member access within misaligned address 0x61e001c45c7a for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-icmpv4.c:74:33: runtime error: member access within misaligned address 0x61e001c45c7a for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-icmpv4.c:74:33: runtime error: member access within misaligned address 0x61e001c45c86 for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
decode-icmpv4.c:74:33: runtime error: member access within misaligned address 0x61e001c45c86 for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
decode-icmpv4.c:75:33: runtime error: member access within misaligned address 0x61e001c45c7a for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-icmpv4.c:75:33: runtime error: member access within misaligned address 0x61e001c45c86 for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
decode-icmpv4.c:75:33: runtime error: member access within misaligned address 0x61e001c45c86 for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
decode-icmpv4.c:77:32: runtime error: load of misaligned address 0x61e001c45c7a for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
decode-icmpv4.c:77:32: runtime error: member access within misaligned address 0x61e001c45c7a for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-icmpv4.c:79:13: runtime error: member access within misaligned address 0x61e001c45c7a for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:485:9: runtime error: load of misaligned address 0x61e001c45c5e for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
decode-ipv4.c:490:9: runtime error: load of misaligned address 0x61e001c45c5e for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
decode-ipv4.c:490:9: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:495:9: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:501:5: runtime error: load of misaligned address 0x61e001c45c6a for type 'in_addr_t' (aka 'unsigned int'), which requires 4 byte alignment
decode-ipv4.c:501:5: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:501:5: runtime error: member access within misaligned address 0x61e001c45c6a for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
decode-ipv4.c:501:5: runtime error: member access within misaligned address 0x61e001c45c6a for type 'struct in_addr', which requires 4 byte alignment
decode-ipv4.c:501:5: runtime error: member access within misaligned address 0x61e001c45c6a for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
decode-ipv4.c:502:5: runtime error: load of misaligned address 0x61e001c45c6e for type 'in_addr_t' (aka 'unsigned int'), which requires 4 byte alignment
decode-ipv4.c:502:5: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:502:5: runtime error: member access within misaligned address 0x61e001c45c6a for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
decode-ipv4.c:502:5: runtime error: member access within misaligned address 0x61e001c45c6a for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
decode-ipv4.c:502:5: runtime error: member access within misaligned address 0x61e001c45c6e for type 'struct in_addr', which requires 4 byte alignment
decode-ipv4.c:505:26: runtime error: load of misaligned address 0x61e001c45c5e for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
decode-ipv4.c:505:26: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:533:16: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:536:9: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:560:13: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:562:41: runtime error: load of misaligned address 0x61e001c45c5e for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
decode-ipv4.c:562:41: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:563:23: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:563:43: runtime error: load of misaligned address 0x61e001c45c5e for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
decode-ipv4.c:563:43: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:566:41: runtime error: load of misaligned address 0x61e001c45c5e for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
decode-ipv4.c:566:41: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:567:23: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:567:43: runtime error: load of misaligned address 0x61e001c45c5e for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
decode-ipv4.c:567:43: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:570:44: runtime error: load of misaligned address 0x61e001c45c5e for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
decode-ipv4.c:570:44: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:571:26: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
decode-ipv4.c:571:46: runtime error: load of misaligned address 0x61e001c45c5e for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
decode-ipv4.c:571:46: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
flow.c:443:35: runtime error: load of misaligned address 0x61e001c45c66 for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
flow.c:443:35: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
flow.c:465:35: runtime error: load of misaligned address 0x61e001c45c66 for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
flow.c:465:35: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
flow-hash.c:149:29: runtime error: load of misaligned address 0x61e001c45c86 for type 'in_addr_t' (aka 'unsigned int'), which requires 4 byte alignment
flow-hash.c:149:29: runtime error: member access within misaligned address 0x61e001c45c7a for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
flow-hash.c:149:29: runtime error: member access within misaligned address 0x61e001c45c86 for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
flow-hash.c:149:29: runtime error: member access within misaligned address 0x61e001c45c86 for type 'struct in_addr', which requires 4 byte alignment
flow-hash.c:149:29: runtime error: member access within misaligned address 0x61e001c45c86 for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
flow-hash.c:150:29: runtime error: load of misaligned address 0x61e001c45c8a for type 'in_addr_t' (aka 'unsigned int'), which requires 4 byte alignment
flow-hash.c:150:29: runtime error: member access within misaligned address 0x61e001c45c7a for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
flow-hash.c:150:29: runtime error: member access within misaligned address 0x61e001c45c86 for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
flow-hash.c:150:29: runtime error: member access within misaligned address 0x61e001c45c86 for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
flow-hash.c:150:29: runtime error: member access within misaligned address 0x61e001c45c8a for type 'struct in_addr', which requires 4 byte alignment
flow-hash.c:376:39: runtime error: load of misaligned address 0x61e001c45c86 for type 'in_addr_t' (aka 'unsigned int'), which requires 4 byte alignment
flow-hash.c:376:39: runtime error: member access within misaligned address 0x61e001c45c7a for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
flow-hash.c:376:39: runtime error: member access within misaligned address 0x61e001c45c86 for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
flow-hash.c:376:39: runtime error: member access within misaligned address 0x61e001c45c86 for type 'struct in_addr', which requires 4 byte alignment
flow-hash.c:376:39: runtime error: member access within misaligned address 0x61e001c45c86 for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
flow-hash.c:377:43: runtime error: load of misaligned address 0x61e001c45c8a for type 'in_addr_t' (aka 'unsigned int'), which requires 4 byte alignment
flow-hash.c:377:43: runtime error: member access within misaligned address 0x61e001c45c7a for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
flow-hash.c:377:43: runtime error: member access within misaligned address 0x61e001c45c86 for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
flow-hash.c:377:43: runtime error: member access within misaligned address 0x61e001c45c86 for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
flow-hash.c:377:43: runtime error: member access within misaligned address 0x61e001c45c8a for type 'struct in_addr', which requires 4 byte alignment
flow-hash.c:389:46: runtime error: load of misaligned address 0x61e001c45c86 for type 'in_addr_t' (aka 'unsigned int'), which requires 4 byte alignment
flow-hash.c:389:46: runtime error: member access within misaligned address 0x61e001c45c7a for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
flow-hash.c:389:46: runtime error: member access within misaligned address 0x61e001c45c86 for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
flow-hash.c:389:46: runtime error: member access within misaligned address 0x61e001c45c86 for type 'struct in_addr', which requires 4 byte alignment
flow-hash.c:389:46: runtime error: member access within misaligned address 0x61e001c45c86 for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
flow-hash.c:390:43: runtime error: load of misaligned address 0x61e001c45c8a for type 'in_addr_t' (aka 'unsigned int'), which requires 4 byte alignment
flow-hash.c:390:43: runtime error: member access within misaligned address 0x61e001c45c7a for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
flow-hash.c:390:43: runtime error: member access within misaligned address 0x61e001c45c86 for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
flow-hash.c:390:43: runtime error: member access within misaligned address 0x61e001c45c86 for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
flow-hash.c:390:43: runtime error: member access within misaligned address 0x61e001c45c8a for type 'struct in_addr', which requires 4 byte alignment
flow-util.c:156:9: runtime error: load of misaligned address 0x61e001c45c6a for type 'in_addr_t' (aka 'unsigned int'), which requires 4 byte alignment
flow-util.c:156:9: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
flow-util.c:156:9: runtime error: member access within misaligned address 0x61e001c45c6a for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
flow-util.c:156:9: runtime error: member access within misaligned address 0x61e001c45c6a for type 'struct in_addr', which requires 4 byte alignment
flow-util.c:156:9: runtime error: member access within misaligned address 0x61e001c45c6a for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
flow-util.c:157:9: runtime error: load of misaligned address 0x61e001c45c6e for type 'in_addr_t' (aka 'unsigned int'), which requires 4 byte alignment
flow-util.c:157:9: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment
flow-util.c:157:9: runtime error: member access within misaligned address 0x61e001c45c6a for type 'struct (anonymous struct at ./decode-ipv4.h:81:9)', which requires 4 byte alignment
flow-util.c:157:9: runtime error: member access within misaligned address 0x61e001c45c6a for type 'union (anonymous union at ./decode-ipv4.h:80:5)', which requires 4 byte alignment
flow-util.c:157:9: runtime error: member access within misaligned address 0x61e001c45c6e for type 'struct in_addr', which requires 4 byte alignment
flow-util.c:158:53: runtime error: load of misaligned address 0x61e001c45c66 for type 'uint8_t' (aka 'unsigned char'), which requires 4 byte alignment
flow-util.c:158:53: runtime error: member access within misaligned address 0x61e001c45c5e for type 'IPV4Hdr' (aka 'struct IPV4Hdr_'), which requires 4 byte alignment