Closed Bug 1255505 Opened 8 years ago Closed 8 years ago

graphite2: use of uninitialized memory in [@graphite2::vm::Machine::run]

Categories

(Core :: Graphics: Text, defect)

defect
Not set
critical

Tracking

()

RESOLVED FIXED
Tracking Status
firefox45 --- disabled
firefox46 --- fixed
firefox47 --- fixed
firefox48 --- fixed
firefox-esr38 46+ disabled
firefox-esr45 46+ disabled

People

(Reporter: tsmith, Unassigned)

References

(Blocks 1 open bug)

Details

(4 keywords)

Attachments

(2 files, 1 obsolete file)

3.32 KB, text/plain
Details
1.62 KB, application/x-font-ttf
Details
Attached file call_stack.txt
This was found while fuzzing graphite2 latest revision (c9f2e111409ca160d3efc46daca83bb9fafab289)

It is triggering a large number of crashes and is blocking fuzzing.

To reproduce run:
valgrind -q ./gr2fonttest test_case.ttf -auto
Attached file test_case.ttf (obsolete) —
Depends on: 1255158
Sorry. Can't reproduce :( I get an invalid font error. It is failing because the font has no glyphs in it. Did you send the right test_case?
Attached file test_case.ttf
(In reply to martin_hosken from comment #2)
> Sorry. Can't reproduce :( I get an invalid font error. It is failing because
> the font has no glyphs in it. Did you send the right test_case?

Ha I can't repro with it either. I must have mixed something up. This one works though. Sorry about that.
Attachment #8729091 - Attachment is obsolete: true
Fixed? in bea11149ef002af1439f0d6ffc9c1dada6394139
Verified with graphite revision bea11149ef002af1439f0d6ffc9c1dada6394139
Status: NEW → RESOLVED
Closed: 8 years ago
Resolution: --- → FIXED
Group: gfx-core-security → core-security-release
Graphite2 has been updated on all affected branches including ESRs.
Group: core-security-release
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