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Git pushed a commit to branch release/4.4
in repository ffmpeg.

commit 5080e6dfb3475823469824c524864b357967312f
Author:     Michael Niedermayer <[email protected]>
AuthorDate: Sat Feb 14 00:26:23 2026 +0100
Commit:     Michael Niedermayer <[email protected]>
CommitDate: Tue May 5 18:55:01 2026 +0200

    avformat/lrcdec: Check ss for finiteness
    
    Fixes: negation of -9223372036854775808 cannot be represented in type 
'int64_t' (aka 'long'); cast to an unsigned type to negate this value to itself
    Fixes: 
471604230/clusterfuzz-testcase-minimized-ffmpeg_dem_LRC_fuzzer-5474264750030848
    
    Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
    Signed-off-by: Michael Niedermayer <[email protected]>
    (cherry picked from commit bce0e221331649a3e937b6fa222ced851bd39b6e)
    Signed-off-by: Michael Niedermayer <[email protected]>
---
 libavformat/lrcdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/lrcdec.c b/libavformat/lrcdec.c
index 915b9ad36d..174a1ecc96 100644
--- a/libavformat/lrcdec.c
+++ b/libavformat/lrcdec.c
@@ -88,7 +88,7 @@ static int64_t read_ts(const char *p, int64_t *start)
         return 0;
     }
     int ret = sscanf(p, "%2[[-]%"SCNu32":%lf]", prefix, &mm, &ss);
-    if (ret != 3 || prefix[0] != '[' || ss < 0 || ss > 60) {
+    if (ret != 3 || prefix[0] != '[' || ss < 0 || ss > 60 || !isfinite(ss)) {
         return 0;
     }
     *start = llrint((mm * 60 + ss) * AV_TIME_BASE);

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