[Bug 796611] Re: nfs-utils: kernel version handling leads to segv on short versions (x.y)

[Launchpad Bug Tracker]

This bug was fixed in the package nfs-utils - 1:1.2.2-4ubuntu7

---------------
nfs-utils (1:1.2.2-4ubuntu7) oneiric; urgency=low

  [ Andy Whitcroft ]
  * ubuntu-fix-kernel-version-handling: avoid segfaults from short kernel
    version numbers. (LP: #796611)
 -- Evan Dandrea <ev at ubuntu.com>   Tue, 14 Jun 2011 17:13:14 +0100

** Changed in: nfs-utils (Ubuntu Oneiric)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/796611

Title:
  nfs-utils: kernel version handling leads to segv on short versions
  (x.y)

Status in “linux” package in Ubuntu:
  Triaged
Status in “nfs-utils” package in Ubuntu:
  Fix Released
Status in “linux” source package in Oneiric:
  Triaged
Status in “nfs-utils” source package in Oneiric:
  Fix Released

Bug description:
  for example version "3.0" break mount.nfs, because this code catch
  segfault on "3.0"

  static inline unsigned int linux_version_code(void)
  {
  	struct utsname my_utsname;
  	unsigned int p, q, r;

  	if (uname(&my_utsname))
  		return 0;

  	p = atoi(strtok(my_utsname.release, "."));
  	q = atoi(strtok(NULL, "."));
  	r = atoi(strtok(NULL, "."));
  	return MAKE_VERSION(p, q, r);
  }

  and this is very common hack, linux version always starts with three
  numbers.

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