[webkit-changes] [WebKit/WebKit] 9e273b: Null pointer dereference in `U2fAuthenticator::iss...

[Charlie Wolfe]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 9e273ba798318ec4c9710c4ba9b553a91bc0e7bb
      https://github.com/WebKit/WebKit/commit/9e273ba798318ec4c9710c4ba9b553a91bc0e7bb
  Author: Charlie Wolfe <charliew at apple.com>
  Date:   2024-03-12 (Tue, 12 Mar 2024)

  Changed paths:
    M Source/WebKit/UIProcess/WebAuthentication/fido/U2fAuthenticator.cpp

  Log Message:
  -----------
  Null pointer dereference in `U2fAuthenticator::issueSignCommand`
https://bugs.webkit.org/show_bug.cgi?id=270873
rdar://124475802

Reviewed by Pascoe.

Crash logs indicate it's possible for `u2fCmd` to be null. Avoid crashing in this case.

* Source/WebKit/UIProcess/WebAuthentication/fido/U2fAuthenticator.cpp:
(WebKit::U2fAuthenticator::issueSignCommand):

Canonical link: https://commits.webkit.org/276002@main



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