From that trace, it looks like it is in this code in dhcp_config_free()
when it makes the free() call:
#ifdef HAVE_DHCP6
if (config->flags & CONFIG_ADDR6)
{
struct addrlist *addr, *tmp;
for (addr = config->addr6; addr; addr = tmp)
{
tmp = addr->next;
free(addr);
}
}
#endif
That *seems* Ok at first look, right? I do like the while() loop above
it better :)
I do see a potential issue when IPv6 addresses are added to this list,
but I think it would just cause a memory leak, search for CONFIG_ADDR6
in that file. Guess I'll have to send that to the list, I can't unsee it
now.
You might just need to step through that code to see what 'addr'
actually is.
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https://bugs.launchpad.net/bugs/2026757
Title:
dnsmasq on Ubuntu Jammy crashes on neutron-dhcp-agent updates
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