[Bug 2031909] Re: tinydns: allocation failures with glibc 2.38/s390x

[Launchpad Bug Tracker]

This bug was fixed in the package glibc - 2.38-1ubuntu5

---------------
glibc (2.38-1ubuntu5) mantic; urgency=medium

  * Update from upstream release branche:
    - CVE-2023-4527: Stack read overflow with large TCP responses in
      no-aaaa mode
    - CVE-2023-4806: use after free in getcanonname
    - LP: #2031909: Fix oversized __io_vtables
  * d/p/u/0001-Fix-leak-in-getaddrinfo-introduced-by-the-fix-for-CV:
    Cherry-picked to fix a regression in one of the previous CVE fixes
    (LP: #2037516, CVE-2023-5156)
  * d/p/lp2032624.patch: add an escape hatch in arm64 math-vector.h.
    This should help fixing multiple FTBFS (LP: #2032624)

 -- Simon Chopin <schopin at ubuntu.com>  Wed, 27 Sep 2023 16:38:18 +0200

** Changed in: glibc (Ubuntu)
       Status: Triaged => Fix Released

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-4527

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-4806

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-5156

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https://bugs.launchpad.net/bugs/2031909

Title:
  tinydns: allocation failures with glibc 2.38/s390x

Status in djbdns package in Ubuntu:
  Fix Released
Status in glibc package in Ubuntu:
  Fix Released
Status in djbdns package in Debian:
  Fix Committed

Bug description:
  When using glibc 2.38, in some conditions tinydns fails with the
  following error:

  /usr/sbin/tinydns: error while loading shared libraries: libc.so.6:
  cannot map zero-fill pages

  This error shows up at least on the s390x autopkgtests for djbdns.

  This is blocking the glibc transition.

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