Backported patch from: https://github.com/falcosecurity/libs/pull/2574

glibc-2.42 added __inet_ntop_chk fortification, which started to fail:

*** buffer overflow detected ***: terminated
Program received signal SIGABRT, Aborted.
0x00007ffff629b0dc in __pthread_kill_implementation () from /lib64/libc.so.6
(gdb) bt
#0  0x00007ffff629b0dc in __pthread_kill_implementation () from /lib64/libc.so.6
#1  0x00007ffff6242572 in raise () from /lib64/libc.so.6
#2  0x00007ffff6229f3b in abort () from /lib64/libc.so.6
#3  0x00007ffff622b148 in __libc_message_impl.cold () from /lib64/libc.so.6
#4  0x00007ffff6327337 in __fortify_fail () from /lib64/libc.so.6
#5  0x00007ffff6326c92 in __chk_fail () from /lib64/libc.so.6
#6  0x00007ffff6327a62 in __inet_ntop_chk () from /lib64/libc.so.6
#7  0x000055555569da3d in inet_ntop (__af=10, __src=0x555555ee0800, __dst=0x7fffffff4f90 "\260P\377\377\377\177", __dst_size=100) at /usr/include/bits/inet-fortified.h:36
#8  ipv6tuple_to_string[abi:cxx11](ipv6tuple*, bool) (tuple=0x555555ee0800, resolve=false) at /tmp/portage/dev-debug/sysdig-0.40.1/work/libs-0.20.0/userspace/libsinsp/utils.cpp:1110

Pass a target buffer size appropriate for IPv addresses.

--- libs-0.20.0/userspace/libsinsp/utils.cpp
+++ libs-0.20.0-new/userspace/libsinsp/utils.cpp
@@ -1089,13 +1089,13 @@ std::string ipv4tuple_to_string(ipv4tupl
 }
 
 std::string ipv6serveraddr_to_string(ipv6serverinfo* addr, bool resolve) {
-	char address[100];
-	char buf[200];
+	char address[INET6_ADDRSTRLEN];
 
-	if(NULL == inet_ntop(AF_INET6, addr->m_ip.m_b, address, 100)) {
+	if(NULL == inet_ntop(AF_INET6, addr->m_ip.m_b, address, INET6_ADDRSTRLEN)) {
 		return std::string();
 	}
 
+	char buf[200];
 	snprintf(buf,
 	         200,
 	         "%s:%s",
@@ -1107,12 +1107,12 @@ std::string ipv6serveraddr_to_string(ipv
 
 std::string ipv6tuple_to_string(ipv6tuple* tuple, bool resolve) {
 	char source_address[INET6_ADDRSTRLEN];
-	if(NULL == inet_ntop(AF_INET6, tuple->m_fields.m_sip.m_b, source_address, 100)) {
+	if(NULL == inet_ntop(AF_INET6, tuple->m_fields.m_sip.m_b, source_address, INET6_ADDRSTRLEN)) {
 		return std::string();
 	}
 
 	char destination_address[INET6_ADDRSTRLEN];
-	if(NULL == inet_ntop(AF_INET6, tuple->m_fields.m_dip.m_b, destination_address, 100)) {
+	if(NULL == inet_ntop(AF_INET6, tuple->m_fields.m_dip.m_b, destination_address, INET6_ADDRSTRLEN)) {
 		return std::string();
 	}