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cache: Fix potential NULL deref in arcane situations.

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This commit is contained in:
Matthias Andree
2024-12-29 22:02:21 +01:00
committed by Simon Kelley
parent 0003db15cb
commit f162d344c0
1 changed files with 1 additions and 1 deletions
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2
src/cache.c
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@@ -479,7 +479,7 @@ static struct crec *cache_scan_free(char *name, union all_addr *addr, unsigned s
if ((crecp->flags & F_FORWARD) && hostname_isequal(cache_get_name(crecp), name)) if ((crecp->flags & F_FORWARD) && hostname_isequal(cache_get_name(crecp), name))
{ {
int rrmatch = 0; int rrmatch = 0;
if (crecp->flags & flags & F_RR) if (addr && (crecp->flags & flags & F_RR))
{ {
unsigned short rrc = (crecp->flags & F_KEYTAG) ? crecp->addr.rrblock.rrtype : crecp->addr.rrdata.rrtype; unsigned short rrc = (crecp->flags & F_KEYTAG) ? crecp->addr.rrblock.rrtype : crecp->addr.rrdata.rrtype;
unsigned short rra = (flags & F_KEYTAG) ? addr->rrblock.rrtype : addr->rrdata.rrtype; unsigned short rra = (flags & F_KEYTAG) ? addr->rrblock.rrtype : addr->rrdata.rrtype;