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nd6: Fix the array size in union nd_opts

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ND_OPT_ROUTE_INFO is 24, so an access of that index is technically out
of bounds, though note that the per-option struct has an entry for this
option.  Fix the array size to appease -fsanitize=array-bounds.

Reviewed by:	pouria, glebius
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D59392
This commit is contained in:
Mark Johnston committed 2026-09-10 09:27:35 +00:00
1 parent 464b29857f
commit fc33bbb024
1 file changed
+1 -1
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sys/netinet6/nd6.h
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@@ -288,7 +288,7 @@ VNET_DECLARE(int, ip6_temp_regen_advance); /* seconds */
#define V_ip6_temp_regen_advance VNET(ip6_temp_regen_advance)
union nd_opts {
struct nd_opt_hdr *nd_opt_array[24]; /* max = ND_OPT_ROUTE_INFO */
struct nd_opt_hdr *nd_opt_array[25]; /* max = ND_OPT_ROUTE_INFO */
struct {
struct nd_opt_hdr *zero;
struct nd_opt_hdr *src_lladdr;