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PLT avoidance for __stack_chk_fail [BZ #7065]

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Add a hidden __stack_chk_fail_local alias to libc.so,
and make sure that on targets which use __stack_chk_fail,
this does not introduce a local PLT reference into libc.so.
This commit is contained in:
Nick Alcock
2016-12-26 10:08:57 +01:00
committed by Florian Weimer
parent 66a704c43c
commit 524a8ef2ad
4 changed files with 34 additions and 0 deletions
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debug/stack_chk_fail.c
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@@ -27,3 +27,5 @@ __stack_chk_fail (void)
{
__fortify_fail ("stack smashing detected");
}
strong_alias (__stack_chk_fail, __stack_chk_fail_local)