Bug 244122 – wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm is a flaky failure

• Status: RESOLVED
• Resolution: FIXED
• Component: JavaScriptCore

[Karl Rackler]

Description:
wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm

The dashboard shows this test exhibiting flaky failures going back to Catalina.  I am unable to find a clear regression point. 

History:
https://results.webkit.org/?suite=javascriptcore-tests&test=wasm.yaml%2Fwasm%2FlowExecutableMemory%2Fimports-oom.js.default-wasm&platform=mac&limit=50000&recent=false

https://build.webkit.org/#/builders/430/builds/3693/steps/12/logs/stdio 

After try 1/13: completed 93428/93429 (1 flaky, 0 missing)
Running wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm
After try 2/13: completed 93428/93429 (1 flaky, 0 missing)
Running wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm
After try 3/13: completed 93428/93429 (1 flaky, 0 missing)
Running wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm
After try 4/13: completed 93428/93429 (1 flaky, 0 missing)
Running wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm
After try 5/13: completed 93428/93429 (1 flaky, 0 missing)
Running wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm
After try 6/13: completed 93428/93429 (1 flaky, 0 missing)
Running wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm
wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm: test_script_85303: line 2: 64134 Segmentation fault: 11  ( "$@" ../../../../.vm/JavaScriptCore.framework/Helpers/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --validateExceptionChecks\=true --useDollarVM\=true --maxPerThreadStackUsage\=1572864 --useConcurrentGC\=0 --useConcurrentJIT\=0 --jitMemoryReservationSize\=20000 --useBaselineJIT\=0 --useDFGJIT\=0 --useFTLJIT\=0 -m imports-oom.js )
wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm: ERROR: Unexpected exit code: 139
FAIL: wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm
After try 7/13: completed 93428/93429 (1 flaky, 0 missing)
Running wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm
wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm: test_script_85303: line 2: 64171 Segmentation fault: 11  ( "$@" ../../../../.vm/JavaScriptCore.framework/Helpers/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --validateExceptionChecks\=true --useDollarVM\=true --maxPerThreadStackUsage\=1572864 --useConcurrentGC\=0 --useConcurrentJIT\=0 --jitMemoryReservationSize\=20000 --useBaselineJIT\=0 --useDFGJIT\=0 --useFTLJIT\=0 -m imports-oom.js )
wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm: ERROR: Unexpected exit code: 139
FAIL: wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm
After try 8/13: completed 93428/93429 (1 flaky, 0 missing)
Running wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm
wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm: test_script_85303: line 2: 64211 Segmentation fault: 11  ( "$@" ../../../../.vm/JavaScriptCore.framework/Helpers/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --validateExceptionChecks\=true --useDollarVM\=true --maxPerThreadStackUsage\=1572864 --useConcurrentGC\=0 --useConcurrentJIT\=0 --jitMemoryReservationSize\=20000 --useBaselineJIT\=0 --useDFGJIT\=0 --useFTLJIT\=0 -m imports-oom.js )
wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm: ERROR: Unexpected exit code: 139
FAIL: wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm

** The following JSC stress test failures have been introduced:
	wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm


** The following JSC stress tests were flaky:
	wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default-wasm 5/9 passes, failed

[Radar WebKit Bug Importer]

<rdar://problem/98882300>

[Ryan Haddad]

This keeps popping up on bots and EWS. Can we skip it?

[Ryan Haddad]

Pull request: https://github.com/WebKit/WebKit/pull/9478

[Ryan Haddad]

Skipping wasm.yaml/wasm/lowExecutableMemory/imports-oom.js.default and wasm.yaml/wasm/lowExecutableMemory/exports-oom.js.default in the PR above.

[EWS]

Test gardening commit 259714@main (f89fd6b8491a): <https://commits.webkit.org/259714@main>

Reviewed commits have been landed. Closing PR #9478 and removing active labels.

[Michael Saboff]

Pull request: https://github.com/WebKit/WebKit/pull/19433

[EWS]

Committed 269682@main (551c2ebfb07a): <https://commits.webkit.org/269682@main>

Reviewed commits have been landed. Closing PR #19433 and removing active labels.