Your message dated Wed, 02 Sep 2026 19:36:47 +0000
with message-id <[email protected]>
and subject line Bug#1146449: fixed in dovecot 1:2.4.5+dfsg1-2
has caused the Debian Bug report #1146449,
regarding dovecot: ftbfs: test suite failures on s390x
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1146449: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1146449
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: dovecot
Version: 1:2.4.5+dfsg1-1
Severity: serious
Tags: ftbfs upstream patch
X-Debbugs-Cc: [email protected]
User: [email protected]
Usertags: s390x
Dovecot includes an implementation of the xxh64 has algorithm. The
implementation contains an endianness bug that impacts builds on s390x and
other big-endian ports.
The issue is that xxh64 requires data to be stored in little-endian format,
but the dovecot implementation does not account for this when interpreting
multi-byte values as uint32_t and uint64_t. The solution is to call the
appropriate endian conversion function when reading these values from
memory.
The attached patch should accomplish this.
noah
Index: dovecot/src/lib/xxh64.c
===================================================================
--- dovecot.orig/src/lib/xxh64.c
+++ dovecot/src/lib/xxh64.c
@@ -8,6 +8,8 @@
#include "lib.h"
#include "xxh64.h"
+#include <endian.h>
+
#define XXH64_PRIME1 UINT64_C(0x9E3779B185EBCA87)
#define XXH64_PRIME2 UINT64_C(0xC2B2AE3D27D4EB4F)
#define XXH64_PRIME3 UINT64_C(0x165667B19E3779F9)
@@ -20,14 +22,14 @@ static inline uint64_t xxh64_read64(cons
{
uint64_t v;
memcpy(&v, p, sizeof(v));
- return v;
+ return le64toh(v); /* Convert from little-endian to host byte order */
}
static inline uint32_t xxh64_read32(const void *p)
{
uint32_t v;
memcpy(&v, p, sizeof(v));
- return v;
+ return le32toh(v); /* Convert from little-endian to host byte order */
}
static uint64_t ATTR_UNSIGNED_WRAPS xxh64_round(uint64_t acc, uint64_t input)
--- End Message ---
--- Begin Message ---
Source: dovecot
Source-Version: 1:2.4.5+dfsg1-2
Done: Noah Meyerhans <[email protected]>
We believe that the bug you reported is fixed in the latest version of
dovecot, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Noah Meyerhans <[email protected]> (supplier of updated dovecot package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Wed, 02 Sep 2026 12:17:57 -0400
Source: dovecot
Architecture: source
Version: 1:2.4.5+dfsg1-2
Distribution: unstable
Urgency: medium
Maintainer: Dovecot Maintainers <[email protected]>
Changed-By: Noah Meyerhans <[email protected]>
Closes: 1146449 1146490
Changes:
dovecot (1:2.4.5+dfsg1-2) unstable; urgency=medium
.
* [8b432dd] lib: xxh64: fix byte ordering issue on big-endian systems
(Closes: #1146449)
* [45b5e14] Fix loong64 ftbfs (Closes: #1146490)
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