[Bug nptl/33715] New: nptl: pthread_create might act as a cancellation entrypoint

adhemerval.zanella at linaro dot org sourceware-bugzilla@sourceware.org
Thu Dec 11 17:07:53 GMT 2025


https://sourceware.org/bugzilla/show_bug.cgi?id=33715

            Bug ID: 33715
           Summary: nptl: pthread_create might act as a cancellation
                    entrypoint
           Product: glibc
           Version: 2.34
            Status: NEW
          Severity: normal
          Priority: P2
         Component: nptl
          Assignee: unassigned at sourceware dot org
          Reporter: adhemerval.zanella at linaro dot org
                CC: drepper.fsp at gmail dot com
  Target Milestone: ---

The 'nptl: Deallocate the thread stack on setup failure (BZ #19511)' fix
(02189e8fb00c3c7f4e67476e21011a22c5dee707) added
a__futex_abstimed_wait_cancelable64 call on pthread_create and the function is
neither a cancellable entrypoint and it is marked as __THROWNL.

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