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Please fix the buggy rwlock!

Please fix the buggy rwlock!

Posted Jun 3, 2025 8:43 UTC (Tue) by PengZheng (subscriber, #108006)
In reply to: Please fix the buggy rwlock! by jwakely
Parent article: Glibc project revisits infrastructure security

I'm afraid that it is not, just as another commenter has already pointed out:

> glibc test-suite does not cover pthread well.

to post comments

Please fix the buggy rwlock!

Posted Jun 3, 2025 9:15 UTC (Tue) by PengZheng (subscriber, #108006) [Link]

Anyone follow my explanation in the bugzilla thread [0] will agree that this is obviously a severe bug.
It is common sense that infinite user space spin should almost NEVER be allowed.

This just illustrates the lack of testing infrastructure of glibc.

[0] https://sourceware.org/bugzilla/show_bug.cgi?id=31477#c9


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