Malformed font leads to crash in Apple's ATSUI [@OTL::GCommon::ApplyLookupAt]

VERIFIED FIXED

Status

()

Core
Graphics
--
critical
VERIFIED FIXED
7 years ago
5 years ago

People

(Reporter: posidron, Assigned: jfkthame)

Tracking

(Blocks: 1 bug, {verified1.9.2})

1.9.2 Branch
x86
Mac OS X
verified1.9.2
Points:
---
Dependency tree / graph

Firefox Tracking Flags

(status1.9.2 .13-fixed, status1.9.1 .16-fixed)

Details

Attachments

(2 attachments)

(Reporter)

Description

7 years ago
Created attachment 474565 [details]
testcase

This bug has a simliar callstack to:
https://bugzilla.mozilla.org/show_bug.cgi?id=594627

Table: b'GSUB'
Number of replaced values: 4
Offset:   156/0x00009c	Value: ['20', '00']
Offset:   431/0x0001af	Value: ['00', '00', '00', '01']
Offset:  1142/0x000476	Value: ['80', '00', '00', '00']
Offset:  1382/0x000566	Value: ['80', '00', '00', '00']

Table: b'GPOS'
Number of replaced values: 2
Offset:  1730/0x0006c2	Value: ['ff', 'c4', '40', '0f']
Offset:  4438/0x001156	Value: ['80', '00']
(Reporter)

Comment 1

7 years ago
Created attachment 474566 [details]
callstack

Updated

7 years ago
Assignee: nobody → jdaggett

Updated

7 years ago
Summary: Malformed font leads to crash [@OTL::GCommon::ApplyLookupAt] → Malformed font leads to crash in Apple's ATSUI [@OTL::GCommon::ApplyLookupAt]
(Assignee)

Comment 2

7 years ago
This will be fixed by the OTS sanitizer (bug 527276).
Depends on: 527276
(Assignee)

Updated

7 years ago
Assignee: jdaggett → jfkthame
Status: NEW → RESOLVED
Last Resolved: 7 years ago
status1.9.2: --- → .13-fixed
Resolution: --- → FIXED
Verified fixed in 1.9.2.13 with Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6;
en-US; rv:1.9.2.13pre) Gecko/20101118 Namoroka/3.6.13pre using testcase. Test
no longer crashes as it does in 1.9.2.12.
Status: RESOLVED → VERIFIED
Keywords: verified1.9.2
status1.9.1: --- → .16-fixed
(Reporter)

Updated

5 years ago
Blocks: 750695
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