walkero
/
harfbuzz
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[subset/ClassDefFormat2] Fix timeout 

Fixes https://oss-fuzz.com/testcase-detail/5417800474165248
This commit is contained in:
Behdad Esfahbod 2022-07-23 10:59:42 -06:00
parent 32c85b8c8c
commit 4cb83967aa
2 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/hb-ot-layout-common.hh
View File

@ -1716,13 +1716,14 @@ struct ClassDefFormat2_4
hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> glyph_and_klass; hb_sorted_vector_t<hb_pair_t<hb_codepoint_t, hb_codepoint_t>> glyph_and_klass;
hb_set_t orig_klasses; hb_set_t orig_klasses;
unsigned num_source_glyphs = c->plan->source->get_num_glyphs ();
unsigned count = rangeRecord.len; unsigned count = rangeRecord.len;
for (unsigned i = 0; i < count; i++) for (unsigned i = 0; i < count; i++)
{ {
unsigned klass = rangeRecord[i].value; unsigned klass = rangeRecord[i].value;
if (!klass) continue; if (!klass) continue;
hb_codepoint_t start = rangeRecord[i].first; hb_codepoint_t start = rangeRecord[i].first;
hb_codepoint_t end = rangeRecord[i].last + 1; hb_codepoint_t end = hb_min (rangeRecord[i].last + 1, num_source_glyphs);
for (hb_codepoint_t g = start; g < end; g++) for (hb_codepoint_t g = start; g < end; g++)
{ {
hb_codepoint_t new_gid = glyph_map[g]; hb_codepoint_t new_gid = glyph_map[g];

BIN
test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5417800474165248 Normal file
View File

Binary file not shown.