File U_08-Use-safe_unpack32.patch of Package slurm.32313

From: Tim Wickberg <tim@schedmd.com>
Date: Tue Nov 28 23:07:38 2023 -0700
Subject: [PATCH 8/28]Use safe_unpack32().
Patch-mainline: Upstream
Git-repo: https://github.com/SchedMD/slurm
Git-commit: 39340cb08202c8cd6252da6c70dc619d950fbc2a
References: bsc#1218046, bsc#1218050, bsc#1218051, bsc#1218053
Signed-off-by: Egbert Eich <eich@suse.de>

---
 src/common/pack.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/src/common/pack.c b/src/common/pack.c
index 843fee9d85..cd924df86c 100644
--- a/src/common/pack.c
+++ b/src/common/pack.c
@@ -1076,15 +1076,9 @@ void packstr_array(char **valp, uint32_t size_val, Buf buffer)
 int unpackstr_array(char ***valp, uint32_t * size_valp, Buf buffer)
 {
 	int i;
-	uint32_t ns;
 	uint32_t uint32_tmp;
 
-	if (remaining_buf(buffer) < sizeof(ns))
-		return SLURM_ERROR;
-
-	memcpy(&ns, &buffer->head[buffer->processed], sizeof(ns));
-	*size_valp = ntohl(ns);
-	buffer->processed += sizeof(ns);
+	safe_unpack32(size_valp, buffer);
 
 	if (*size_valp > MAX_ARRAY_LEN_MEDIUM) {
 		error("%s: Buffer to be unpacked is too large (%u > %u)",
@@ -1106,6 +1100,9 @@ int unpackstr_array(char ***valp, uint32_t * size_valp, Buf buffer)
 	} else
 		*valp = NULL;
 	return SLURM_SUCCESS;
+
+unpack_error:
+	return SLURM_ERROR;
 }
 
 /*