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Issue 860323 link

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Issue metadata

Status: Verified
Owner:
Closed: Jul 7
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in PDF_DecodeText

Project Member Reported by ClusterFuzz, Jul 4

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4844063149522944

Fuzzer: attekett_surku_fuzzer
Job Type: linux_asan_chrome_media
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  PDF_DecodeText
  CPDF_Stream::GetUnicodeText
  CPDF_Action::GetJavaScript
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=572392:572393

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4844063149522944

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Jul 4

Components: Internals>Plugins>PDF
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Jul 4

Cc: thestig@chromium.org art-sn...@yandex-team.ru
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Remove a parameter from CPDF_SyntaxParser::FindTag(). by thestig@chromium.org - https://pdfium.googlesource.com/pdfium/+/a0aef45d9181aee30198fdb87557d61f62ad2a7c

Avoid duplicate data buffering in CPDF_SyntaxParser::ReadStream(). by art-snake@yandex-team.ru - https://pdfium.googlesource.com/pdfium/+/77f15f7883638a4ced131d74c053af10a5970ce9

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Owner: hnakashima@chromium.org
Likely a duplicate of  bug 860210 .
Project Member

Comment 4 by ClusterFuzz, Jul 7

ClusterFuzz has detected this issue as fixed in range 573054:573057.

Detailed report: https://clusterfuzz.com/testcase?key=4844063149522944

Fuzzer: attekett_surku_fuzzer
Job Type: linux_asan_chrome_media
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  PDF_DecodeText
  CPDF_Stream::GetUnicodeText
  CPDF_Action::GetJavaScript
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=572392:572393
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=573054:573057

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4844063149522944

See https://github.com/google/clusterfuzz-tools 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 5 by ClusterFuzz, Jul 7

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4844063149522944 is verified as fixed, so closing issue as verified.

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

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