glibc/glibc-fix-double-loopback.diff
Andreas Schwab 06263ee4ef Accepting request 572614 from home:Andreas_Schwab:Factory
- Update to glibc 2.27
  * Optimized x86-64 asin, atan2, exp, expf, log, pow, atan, sin, cosf,
    sinf, sincosf and tan with FMA
  * Optimized x86-64 trunc and truncf for processors with SSE4.1
  * Optimized generic expf, exp2f, logf, log2f, powf, sinf, cosf and
    sincosf
  * In order to support faster and safer process termination the malloc API
    family of functions will no longer print a failure address and stack
    backtrace after detecting heap corruption
  * The abort function terminates the process immediately, without flushing
    stdio streams
  * On platforms where long double has the IEEE binary128 format (aarch64,
    alpha, mips64, riscv, s390 and sparc), the math library now implements
    _Float128 interfaces for that type, as defined by ISO/IEC TS 18661-3:2015
    These are the same interfaces added in version 2.26 for some platforms where
    this format is supported but is not the format of long double
  * On platforms with support for _Float64x (aarch64, alpha, i386, ia64,
    mips64, powerpc64le, riscv, s390, sparc and x86_64), the math library now
    implements interfaces for that type, as defined by ISO/IEC TS
    18661-3:2015
  * The math library now implements interfaces for the _Float32, _Float64 and
    _Float32x types, as defined by ISO/IEC TS 18661-3:2015
  * glibc now implements the memfd_create and mlock2 functions on Linux
  * Support for memory protection keys was added
  * The copy_file_range function was added
  * The ldconfig utility now processes `include' directives using the C/POSIX
    collation ordering
  * Support for two grammatical forms of month names has been added
  * Support for the RISC-V ISA running on Linux has been added
  * Statically compiled applications attempting to load locales compiled for the

OBS-URL: https://build.opensuse.org/request/show/572614
OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=491
2018-02-05 10:33:11 +00:00

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1.0 KiB
Diff

This fixes the problem of getent ahosts localhost returning 127.0.0.1
_twice_ on systems that have no ipv6 interfaces up (hence are regarded
as ipv4 only by the lookup code), but still have localhost entries for
::1 and 127.0.0.1 in /etc/hosts (like most current systems).
Remapping ::1 to 127.0.0.1 is bogus when /etc/hosts is correct.
bnc #684534, #606980
http://sources.redhat.com/bugzilla/show_bug.cgi?id=4980
Index: glibc-2.27/nss/nss_files/files-hosts.c
===================================================================
--- glibc-2.27.orig/nss/nss_files/files-hosts.c
+++ glibc-2.27/nss/nss_files/files-hosts.c
@@ -70,11 +70,6 @@ LINE_PARSER
{
if (IN6_IS_ADDR_V4MAPPED (entdata->host_addr))
memcpy (entdata->host_addr, entdata->host_addr + 12, INADDRSZ);
- else if (IN6_IS_ADDR_LOOPBACK (entdata->host_addr))
- {
- in_addr_t localhost = htonl (INADDR_LOOPBACK);
- memcpy (entdata->host_addr, &localhost, sizeof (localhost));
- }
else
/* Illegal address: ignore line. */
return 0;