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avfilter/signature_lookup: Dont copy uninitialized stuff around 

Fixes: CID1403238 Uninitialized pointer read
Fixes: CID1403239 Uninitialized pointer read

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e7174e66ac)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-04-22 00:57:43 +02:00
parent 572985605f
commit 057b8d65e3
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
1 changed files with 2 additions and 2 deletions
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4
libavfilter/signature_lookup.c
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@ -453,14 +453,14 @@ static MatchingInfo evaluate_parameters(AVFilterContext *ctx, SignatureContext *
}
if (tolerancecount > 2) {
a = aprev;
b = bprev;
if (dir == DIR_NEXT) {
/* turn around */
a = infos->first;
b = infos->second;
dir = DIR_PREV;
} else {
a = aprev;
b = bprev;
break;
}
}