From: Konstantinos Margaritis <markos@users.noreply.github.com>
Date: Fri, 16 May 2025 10:44:36 +0000 (+0300)
Subject: partial_load_u64 will fail if buf == NULL/c_len == 0 (#331)
X-Git-Tag: vectorscan/5.4.12^2~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F323%2Fhead;p=thirdparty%2Fvectorscan.git

partial_load_u64 will fail if buf == NULL/c_len == 0 (#331)
---

diff --git a/src/rose/program_runtime.c b/src/rose/program_runtime.c
index 1273f799..3e7752c7 100644
--- a/src/rose/program_runtime.c
+++ b/src/rose/program_runtime.c
@@ -688,7 +688,9 @@ int roseCheckMask(const struct core_info *ci, u64a and_mask, u64a cmp_mask,
                 shift_l = c_len - ci->len;
                 c_len = ci->len;
             }
-            data = partial_load_u64a(ci->buf, c_len);
+            if (c_len) {
+                data = partial_load_u64a(ci->buf, c_len);
+            }
             data <<= h_len << 3;
             data |= data_h;
         }