[Webkit-unassigned] [Bug 222233] New: [macOS] Crash under AuxiliaryProcess::initializeSandbox

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=222233

            Bug ID: 222233
           Summary: [macOS] Crash under
                    AuxiliaryProcess::initializeSandbox
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pvollan at apple.com

When a WebKit client provides a user directory suffix in the process initialization parameters, confstr with the new user suffix applied will fail to create the full directory path if it does not exist, and return an empty result. This will lead to empty paths in the sandbox parameters, which will cause the sandbox to fail to compile, which will eventually crash the WebKit process.

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