From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 28 Sep 2022 04:42:01 +0000 (+0900)
Subject: fuzz: tighten acceptable data size
X-Git-Tag: v252-rc1~77
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5654483dc53470942620cde7ff8d3df6083e9d3;p=thirdparty%2Fsystemd.git

fuzz: tighten acceptable data size

Fixes oss-fuzz#51887 (https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=51887).
Fixes #24833.
---

diff --git a/src/boot/efi/fuzz-efi-string.c b/src/boot/efi/fuzz-efi-string.c
index 4d4d01f0269..3c0f0f34b4c 100644
--- a/src/boot/efi/fuzz-efi-string.c
+++ b/src/boot/efi/fuzz-efi-string.c
@@ -13,7 +13,7 @@ static char16_t *memdup_str16(const uint8_t *data, size_t size) {
 }
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
-        if (outside_size_range(size, sizeof(size_t), 1024 * 1024))
+        if (outside_size_range(size, sizeof(size_t), 64 * 1024))
                 return 0;
 
         size_t len, len2;