diff options
author | V3n3RiX <venerix@redcorelinux.org> | 2018-10-07 11:03:14 +0100 |
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committer | V3n3RiX <venerix@redcorelinux.org> | 2018-10-07 11:03:14 +0100 |
commit | 957235cf19a691360c720f7913672adda4258ed0 (patch) | |
tree | 812bba7928f4293ead05a7ee9c1ac39c5ef9f12e /media-libs/libtheora/files/libtheora-1.1.1-fix-UB.patch | |
parent | 62f67115b5c46134c34f88f4b1cbdacc19384c0a (diff) |
gentoo resync : 07.10.2018
Diffstat (limited to 'media-libs/libtheora/files/libtheora-1.1.1-fix-UB.patch')
-rw-r--r-- | media-libs/libtheora/files/libtheora-1.1.1-fix-UB.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/media-libs/libtheora/files/libtheora-1.1.1-fix-UB.patch b/media-libs/libtheora/files/libtheora-1.1.1-fix-UB.patch new file mode 100644 index 000000000000..862d6a3b8164 --- /dev/null +++ b/media-libs/libtheora/files/libtheora-1.1.1-fix-UB.patch @@ -0,0 +1,47 @@ +From 0ae66d565e6bead8604d312bc1a4e9dccf245c88 Mon Sep 17 00:00:00 2001 +From: Tim Terriberry <tterribe@xiph.org> +Date: Tue, 8 May 2012 02:51:57 +0000 +Subject: [PATCH] Fix pp_sharp_mod calculation. + +This was broken when the dequant_tables indexing changed in commit + r16102, but it only affected post-processing quality, so we never + noticed. +With gcc 4.8.0, this can now trigger a segfault during decoder + initialization. + +svn path=/trunk/theora/; revision=18268 +--- + lib/decode.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +Note: The hunk header was modified from + + @@ -400,10 +400,10 @@ + +to + + @@ -397,10 +397,10 @@ + +to match the source code in the libtheora-1.1.1 tar-ball. + +diff --git a/lib/decode.c b/lib/decode.c +index b803505..9f2516a 100644 +--- a/lib/decode.c ++++ b/lib/decode.c +@@ -397,10 +397,10 @@ static int oc_dec_init(oc_dec_ctx *_dec,const th_info *_info, + int qsum; + qsum=0; + for(qti=0;qti<2;qti++)for(pli=0;pli<3;pli++){ +- qsum+=_dec->state.dequant_tables[qti][pli][qi][12]+ +- _dec->state.dequant_tables[qti][pli][qi][17]+ +- _dec->state.dequant_tables[qti][pli][qi][18]+ +- _dec->state.dequant_tables[qti][pli][qi][24]<<(pli==0); ++ qsum+=_dec->state.dequant_tables[qi][pli][qti][12]+ ++ _dec->state.dequant_tables[qi][pli][qti][17]+ ++ _dec->state.dequant_tables[qi][pli][qti][18]+ ++ _dec->state.dequant_tables[qi][pli][qti][24]<<(pli==0); + } + _dec->pp_sharp_mod[qi]=-(qsum>>11); + } +-- +2.10.2 |