From 5d3ad4f06e936eb6d2cb964cce31afef7bed32d3 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Thu, 5 Mar 2026 10:51:59 +0100
Subject: [PATCH] avutil/error: Fix overflow when negating

-INT_MIN is not representable in an int.
Fixes issue #22388.

Reviewed-by: Sean McGovern <gseanmcg@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavutil/error.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavutil/error.c b/libavutil/error.c
index 333d75e4ac..2c9f0028bd 100644
--- a/libavutil/error.c
+++ b/libavutil/error.c
@@ -140,7 +140,7 @@ int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
         }
     }
 #if HAVE_STRERROR_R
-    int ret = AVERROR(strerror_r(AVUNERROR(errnum), errbuf, errbuf_size));
+    int ret = AVERROR(strerror_r(AVUNERROR((unsigned)errnum), errbuf, errbuf_size));
 #else
     int ret = -1;
 #endif