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

[Danilo Egea Gondolfo]

The problem seems to be related to the "run" scripts.

Increasing the data segment limit makes it work:

# envuidgid root envdir ./env softlimit -d 400000 tinydns
tinydns: error while loading shared libraries: libc.so.6: cannot map zero-fill pages

# envuidgid root envdir ./env softlimit -d 4000000 tinydns
starting tinydns

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Title:
  tinydns: allocation failures with glibc 2.38/s390x

Status in djbdns package in Ubuntu:
  New
Status in glibc package in Ubuntu:
  New

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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