From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 21 Jan 2026 22:48:29 +0000 (+0100)
Subject: journal: do not use typecasts for range checks
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1efc26343307c4fcdeb383e25b17a8494493b273;p=thirdparty%2Fsystemd.git

journal: do not use typecasts for range checks
---

diff --git a/src/libsystemd/sd-journal/journal-file.c b/src/libsystemd/sd-journal/journal-file.c
index 8dcd599bbda..de5d7075e0c 100644
--- a/src/libsystemd/sd-journal/journal-file.c
+++ b/src/libsystemd/sd-journal/journal-file.c
@@ -1940,8 +1940,10 @@ static int maybe_decompress_payload(
         assert(f);
 
         /* We can't read objects larger than 4G on a 32-bit machine */
-        if ((uint64_t) (size_t) size != size)
+#if __SIZEOF_SIZE_T__ == 4
+        if (size > UINT32_MAX)
                 return -E2BIG;
+#endif
 
         if (compression != COMPRESSION_NONE) {
 #if HAVE_COMPRESSION