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bash: Disable custom memory allocator

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Bash is failing trying to allocate memory [1] using the custom
memory allocator if we disable it the issue is fixed.

The major distributions also disabled by default [2], so we
don't have a good reason to use it.

The underlying issue is due to bash’s malloc using brk() calls
to allocate memory, which fail when address randomization is
enabled in kernel. sbrk() based custom allocators are obsolete.
There may be some performance impact of this however correctness
is more important.

[YOCTO #8452]

[1] https://bugzilla.yoctoproject.org/show_bug.cgi?id=8452#c0
[2] https://bugzilla.yoctoproject.org/show_bug.cgi?id=8452#c5

(From OE-Core master rev: e42d8eff9eed7d1454b4f331d96dcee6dea232df)

(From OE-Core rev: 9f339f516ab03d598fae0e536b3a420ea4d8ee1a)

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Joshua Lock <joshua.lock@collabora.co.uk>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Aníbal Limón
2015-10-09 17:21:44 -05:00
committed by Richard Purdie
parent 72a8138908
commit 118acdcf67
1 changed files with 1 additions and 1 deletions
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2
meta/recipes-extended/bash/bash.inc
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@@ -7,7 +7,7 @@ DEPENDS = "ncurses bison-native"
inherit autotools gettext texinfo update-alternatives ptest
EXTRA_AUTORECONF += "--exclude=autoheader"
EXTRA_OECONF = "--enable-job-control"
EXTRA_OECONF = "--enable-job-control --without-bash-malloc"
ALTERNATIVE_${PN} = "sh"
ALTERNATIVE_LINK_NAME[sh] = "${base_bindir}/sh"