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net/sunrpc/svcauth_unix: Use strscpy() to copy strings into arrays

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Replacing strcpy() with strscpy() ensures that overflow of the target
buffer cannot happen.

Signed-off-by: David Laight <david.laight.linux@gmail.com>
Link: https://patch.msgid.link/20260608095523.2606-16-david.laight.linux@gmail.com
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
David Laight 2026-06-08 10:55:00 +01:00 committed by Chuck Lever
parent 40162cfea7
commit f882a31dee
1 changed files with 2 additions and 2 deletions
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4
net/sunrpc/svcauth_unix.c
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@ -133,7 +133,7 @@ static void ip_map_init(struct cache_head *cnew, struct cache_head *citem)
struct ip_map *new = container_of(cnew, struct ip_map, h);
struct ip_map *item = container_of(citem, struct ip_map, h);
strcpy(new->m_class, item->m_class);
strscpy(new->m_class, item->m_class);
new->m_addr = item->m_addr;
}
static void update(struct cache_head *cnew, struct cache_head *citem)
@ -296,7 +296,7 @@ static struct ip_map *__ip_map_lookup(struct cache_detail *cd, char *class,
struct ip_map ip;
struct cache_head *ch;
strcpy(ip.m_class, class);
strscpy(ip.m_class, class);
ip.m_addr = *addr;
ch = sunrpc_cache_lookup_rcu(cd, &ip.h,
hash_str(class, IP_HASHBITS) ^