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Issue metadata

Status: Verified
Owner:
Closed: Sep 27
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in void service_manager::InterfaceProvider::GetInterface<blink::mojom::blink::FileS

Project Member Reported by ClusterFuzz, Sep 26

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5145317161566208

Fuzzer: lcamtuf_cross_fuzz
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  void service_manager::InterfaceProvider::GetInterface<blink::mojom::blink::FileS
  blink::FileSystemDispatcher::GetFileSystemManager
  blink::FileSystemDispatcher::ResolveURL
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=593980:593984

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5145317161566208

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Sep 26

Components: Blink>Storage>FileSystem
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, Sep 26

Labels: Test-Predator-Auto-Owner
Owner: adithyas@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/2eeb21dd6bd45b9bb46039b00b8b7629a013698e ([FileSystem] Remove WebFileSystem).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 3 by ClusterFuzz, Sep 27

ClusterFuzz has detected this issue as fixed in range 594502:594503.

Detailed report: https://clusterfuzz.com/testcase?key=5145317161566208

Fuzzer: lcamtuf_cross_fuzz
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  void service_manager::InterfaceProvider::GetInterface<blink::mojom::blink::FileS
  blink::FileSystemDispatcher::GetFileSystemManager
  blink::FileSystemDispatcher::ResolveURL
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=593980:593984
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=594502:594503

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5145317161566208

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 4 by ClusterFuzz, Sep 27

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5145317161566208 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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