1 files changed, 13 insertions, 0 deletions
diff --git a/third_party/libopenjpeg20/0031-undefined-shift-opj_bio_read.patch b/third_party/libopenjpeg20/0031-undefined-shift-opj_bio_read.patch
new file mode 100644
index 0000000000..22188bef99
--- /dev/null
+++ b/third_party/libopenjpeg20/0031-undefined-shift-opj_bio_read.patch
@@ -0,0 +1,13 @@
+diff --git a/third_party/libopenjpeg20/bio.c b/third_party/libopenjpeg20/bio.c
+index e4edb3724..e51d0e2b4 100644
+--- a/third_party/libopenjpeg20/bio.c
++++ b/third_party/libopenjpeg20/bio.c
+@@ -162,6 +162,8 @@ OPJ_UINT32 opj_bio_read(opj_bio_t *bio, OPJ_UINT32 n) {
+        OPJ_UINT32 i;
+     OPJ_UINT32 v;
+        v = 0;
++       if (n > 32)
++               n = 32;
+        for (i = n - 1; i < n; i--) {
+                v += opj_bio_getbit(bio) << i;
+        }