New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 732165 link

Starred by 1 user

Issue metadata

Status: WontFix
Owner:
Closed: Oct 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 2
Type: Bug

Blocking:
issue 62400



Sign in to add a comment

Out-of-memory in pdf_codec_jpeg_fuzzer

Project Member Reported by ClusterFuzz, Jun 11 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4897586728402944

Fuzzer: libFuzzer_pdf_codec_jpeg_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Out-of-memory (exceeds 2048 MB)
Crash Address: 
Crash State:
  pdf_codec_jpeg_fuzzer
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=398366:399171

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4897586728402944


Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Cc: msrchandra@chromium.org
Labels: M-61 Test-Predator-Correct-CLs
Owner: thestig@chromium.org
Status: Assigned (was: Untriaged)
Assigning to the concern owner from Predator results --
The result is a list of CLs that change the crashed files. 

Author: thestig
Project: chromium-pdfium
Changelist: https://pdfium.googlesource.com/pdfium.git/+/fcf61b39ee597c73e80ba789833fb7fe49878422
Time: Thu Jun 09 18:29:35 2016 -0700
Lines 1850-1857, 1873-1877 of file fx_codec_progress.cpp which potentially caused crash are changed in this cl (frame #7, "CCodec_ProgressiveDecoder::StartDecode").
Minimum distance from crash line to modified line: 0. (file: fx_codec_progress.cpp, crashed on: 1850, modified: 1850).

@thestig -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.
Components: Internals>Plugins>PDF
Labels: -Pri-1 -M-61 Pri-2
Owner: dsinclair@chromium.org
"Regressed" because we added the fuzzer.
Blocking: 62400
Project Member

Comment 4 by ClusterFuzz, Jun 27 2017

Labels: OS-Mac
Project Member

Comment 5 by ClusterFuzz, Jun 29 2017

ClusterFuzz has detected this issue as fixed in range 481576:482713.

Detailed report: https://clusterfuzz.com/testcase?key=4897586728402944

Fuzzer: libFuzzer_pdf_codec_jpeg_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Out-of-memory (exceeds 2048 MB)
Crash Address: 
Crash State:
  pdf_codec_jpeg_fuzzer
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=398366:399171
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=481576:482713

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4897586728402944


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 6 by ClusterFuzz, Jun 29 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4897586728402944 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

Comment 7 by npm@chromium.org, Jun 30 2017

Status: Assigned (was: Verified)
I don't see any reason for this to be resolved. Could it think it's resolved due to https://pdfium-review.googlesource.com/c/6552/?
Owner: rharrison@chromium.org

Comment 9 by mmoroz@chromium.org, Oct 24 2017

For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md.

The link referenced in the description is no longer valid.

(bulk edit)
Status: WontFix (was: Assigned)
This image is 14895x17157. Given a sufficiently high memory limit it will complete, but the codec is behaving as expected.

Sign in to add a comment