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Issue 923639 link

Starred by 1 user
Status: Assigned
Owner:
capn@chromium.org
Cc:
█ hevrard@google.com
kkaluri@chromium.org
metzman@chromium.org
█ afdx@google.com
sugoi@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in Ice::XNUMBER::InstImpl<Ice::XNUMBER::TargetX8664Traits>::InstX86Br::emitIAS

Project Member Reported by ClusterFuzz, Jan 19 (3 days ago) 
Detailed report: https://clusterfuzz.com/testcase?key=4909002530095104

Fuzzer: metzman_graphicsfuzz_crash_fuzzer
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  Ice::XNUMBER::InstImpl<Ice::XNUMBER::TargetX8664Traits>::InstX86Br::emitIAS
  Ice::CfgNode::emitIAS
  Ice::Cfg::emitIAS
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=624266:624267

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4909002530095104

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.
Project Member

Comment 1 by ClusterFuzz, Jan 19 (3 days ago)

Components: Internals>GPU>SwiftShader
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.

Comment 2 by kkaluri@chromium.org, Today (54 minutes ago)

Cc: kkaluri@chromium.org
Labels: M-73
Owner: capn@chromium.org
Status: Assigned (was: Untriaged)
1. Predator has provided 26 possible suspect CL's
2. Since it is related to Swiftshader component, assigning it to the capn@ for further triage.
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