Bug 298292 – REGRESSION (299364@main): [ Sequoia WK2 ] http/tests/webgpu/webgpu/api/operation/sampling/sampler_texture.html is a consistent crash

• Status: CLOSED
• Resolution: DUPLICATE
• Component: WebGPU

[Jay Stfleur]

Description:
http/tests/webgpu/webgpu/api/operation/sampling/sampler_texture.html

Test is crashing on Sequoia+ WK2 after changes on 299364@main due to a a null pointer dereference occurred inside the WebKit GPU process.


History:
https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Fwebgpu%2Fwebgpu%2Fapi%2Foperation%2Fsampling%2Fsampler_texture.html

Diff/Image Diff/Crash Log:
{"app_name":"com.apple.WebKit.GPU.Development","timestamp":"2025-09-02 14:37:07.00 -0700","app_version":"623+","slice_uuid":"fa2294c5-b500-302f-8c03-d4ea247b5903","build_version":"623.1.7+","platform":1,"bundleID":"com.apple.WebKit.GPU","share_with_app_devs":0,"is_first_party":1,"bug_type":"309","os_version":"macOS 15.5 (24F74)","roots_installed":0,"name":"com.apple.WebKit.GPU.Development","incident_id":"06C961E6-7508-4FE6-A6BD-AADEAD536C78"}
{
  "uptime" : 61000,
  "procRole" : "Default",
  "version" : 2,
  "userID" : 501,
  "deployVersion" : 210,
  "modelCode" : "Macmini9,1",
  "coalitionID" : 554,
  "osVersion" : {
    "train" : "macOS 15.5",
    "build" : "24F74",
    "releaseType" : "User"
  },
  "captureTime" : "2025-09-02 14:36:53.1526 -0700",
  "codeSigningMonitor" : 1,
  "incident" : "06C961E6-7508-4FE6-A6BD-AADEAD536C78",
  "pid" : 72115,
  "translated" : false,
  "cpuType" : "ARM-64",
  "roots_installed" : 0,
  "bug_type" : "309",
  "procLaunch" : "2025-09-02 14:16:55.4611 -0700",
  "procStartAbsTime" : 1448585073526,
  "procExitAbsTime" : 1477330443581,
  "procName" : "com.apple.WebKit.GPU.Development",
  "procPath" : "\/Volumes\/VOLUME\/*\/com.apple.WebKit.GPU.Development",
  "bundleInfo" : {"CFBundleShortVersionString":"623+","CFBundleVersion":"623.1.7+","CFBundleIdentifier":"com.apple.WebKit.GPU"},
  "parentProc" : "launchd",
  "parentPid" : 1,
  "coalitionName" : "com.apple.buildbot",
  "crashReporterKey" : "81E28AD8-C50D-6190-89E7-14EBB36C86FD",
  "appleIntelligenceStatus" : {"reasons":["notOptedIn","siriAssetIsNotReady","assetIsNotReady"],"state":"unavailable"},
  "responsiblePid" : 72081,
  "throttleTimeout" : 10,
  "codeSigningID" : "com.apple.WebKit.GPU",
  "codeSigningTeamID" : "",
  "codeSigningFlags" : 570425861,
  "codeSigningValidationCategory" : 10,
  "codeSigningTrustLevel" : 4294967295,
  "codeSigningAuxiliaryInfo" : 0,
  "instructionByteStream" : {"beforePC":"ToVA+K6FAPi\/AQzro\/\/\/VApNQLkqAgA1KQELiwrdQHkLoUa4CCFG+A==","atPC":"KAEAeQz9UNMsBQB5DP1g0ywJAHkI\/XDTKA0AeSsRAHlofVDTKBUAeQ=="},
  "bootSessionUUID" : "9A8DE061-0865-4FE2-B3E6-B845319CEC92",
  "sip" : "enabled",
  "vmRegionInfo" : "0 is not in any region.  Bytes before following region: 4343693312\n      REGION TYPE                    START - END         [ VSIZE] PRT\/MAX SHRMOD  REGION DETAIL\n      UNUSED SPACE AT START\n--->  \n      __TEXT                      102e78000-102e7c000    [   16K] r-x\/r-x SM=COW  \/Volumes\/VOLUME\/*\/com.apple.WebKit.GPU.Development",
  "exception" : {"codes":"0x0000000000000001, 0x0000000000000000","rawCodes":[1,0],"type":"EXC_BAD_ACCESS","signal":"SIGSEGV","subtype":"KERN_INVALID_ADDRESS at 0x0000000000000000"},

[Radar WebKit Bug Importer]

<rdar://problem/159722626>

[EWS]

Test gardening commit 299479@main (071e76c3055d): <https://commits.webkit.org/299479@main>

Reviewed commits have been landed. Closing PR #50222 and removing active labels.

[Mike Wyrzykowski]

*** This bug has been marked as a duplicate of bug 249345 ***