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Issue 668822 link

Starred by 3 users

Issue metadata

Status: Verified
Owner:
Closed: Jan 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Undefined-shift in bmp_decode_rgb

Project Member Reported by ClusterFuzz, Nov 26 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6391998778179584

Fuzzer: libfuzzer_pdf_codec_bmp_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  bmp_decode_rgb
  CCodec_BmpModule::LoadImage
  CCodec_ProgressiveDecoder::ContinueDecode
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=400697:402043

Minimized Testcase (0.09 Kb): https://cluster-fuzz.appspot.com/download/AMIfv967xR7DLTgKDacfiryxXEORlU6Ez9y1dWuXyynwNYI8k8MlnpwTuZIQ5RwTViUyUH04VAAxY_r2NQi6Eker9M2hKII9JGhA_WgBSUH_KSkTIStreWNPkq-qPfGhL1cv4dd_GvEaj7bYeQeZrAvtguHzC481cQ?testcase_id=6391998778179584

Issue filed automatically.

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

Comment 1 by ajha@chromium.org, Nov 27 2016

Components: Internals>Plugins>PDF
Labels: M-55

Comment 2 by weili@chromium.org, Nov 28 2016

Cc: npm@chromium.org weili@chromium.org
Status: Available (was: Untriaged)

Comment 3 by npm@chromium.org, Jan 16 2017

Cc: -npm@chromium.org
Owner: npm@chromium.org
Status: Started (was: Available)
Project Member

Comment 4 by bugdroid1@chromium.org, Jan 16 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/b6440ca0b40a1c7065309bd6dafeaf535068020b

commit b6440ca0b40a1c7065309bd6dafeaf535068020b
Author: pdfium-deps-roller <pdfium-deps-roller@chromium.org>
Date: Mon Jan 16 23:31:19 2017

Roll src/third_party/pdfium/ cfb856c47..6b71f2209 (3 commits).

https://pdfium.googlesource.com/pdfium.git/+log/cfb856c4744a..6b71f22093fc

$ git log cfb856c47..6b71f2209 --date=short --no-merges --format='%ad %ae %s'
2017-01-16 npm Return early when gif_img_row_bytes is 0
2017-01-16 npm Check blue,green,red bit count in bmp_decode_rgb
2017-01-16 dsinclair Replace remaining CSS interfaces with concrete classes

BUG= 681170 , 668822 

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls

TBR=dsinclair@chromium.org

Review-Url: https://codereview.chromium.org/2636033003
Cr-Commit-Position: refs/heads/master@{#443961}

[modify] https://crrev.com/b6440ca0b40a1c7065309bd6dafeaf535068020b/DEPS

Project Member

Comment 5 by ClusterFuzz, Jan 17 2017

ClusterFuzz has detected this issue as fixed in range 443941:443961.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6391998778179584

Fuzzer: libfuzzer_pdf_codec_bmp_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  bmp_decode_rgb
  CCodec_BmpModule::LoadImage
  CCodec_ProgressiveDecoder::ContinueDecode
  
Sanitizer: undefined (UBSAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=400697:402043
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=443941:443961

Minimized Testcase (0.09 Kb): https://cluster-fuzz.appspot.com/download/AMIfv967xR7DLTgKDacfiryxXEORlU6Ez9y1dWuXyynwNYI8k8MlnpwTuZIQ5RwTViUyUH04VAAxY_r2NQi6Eker9M2hKII9JGhA_WgBSUH_KSkTIStreWNPkq-qPfGhL1cv4dd_GvEaj7bYeQeZrAvtguHzC481cQ?testcase_id=6391998778179584

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, Jan 17 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Started)
ClusterFuzz testcase 6391998778179584 is verified as fixed, so closing issue.

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

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