From 7fbbab2d326bcbfa1592c6104b745cd5973f5aaa Mon Sep 17 00:00:00 2001 From: Shteryana Shopova Date: Fri, 10 Jan 2025 15:30:21 -0500 Subject: [PATCH] bsnmpwalk: Fix crash on invalid data PR: 258570 Reported by: Robert Morris Reviewed by: emaste, markj Differential Revision: https://reviews.freebsd.org/D48422 (cherry picked from commit f021e3573519ff192fc708cda9ca4bba264c96f7) --- usr.sbin/bsnmpd/tools/bsnmptools/bsnmpget.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/usr.sbin/bsnmpd/tools/bsnmptools/bsnmpget.c b/usr.sbin/bsnmpd/tools/bsnmptools/bsnmpget.c index 81108387d3a..9d5a693c7c6 100644 --- a/usr.sbin/bsnmpd/tools/bsnmptools/bsnmpget.c +++ b/usr.sbin/bsnmpd/tools/bsnmptools/bsnmpget.c @@ -502,7 +502,7 @@ snmptool_walk(struct snmp_toolinfo *snmptoolctx) outputs += rc; - if ((u_int)rc < resp.nbindings) { + if ((u_int)rc < resp.nbindings || resp.nbindings == 0) { snmp_pdu_free(&resp); break; }