mirror of https://github.com/mkerrisk/man-pages
ld.so.8: srcfix: Add FIXME: Document LD_POINTER_GUARD
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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man8/ld.so.8
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man8/ld.so.8
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@ -240,6 +240,18 @@ For security reasons, since glibc 2.4,
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is ignored for set-user-ID/set-group-ID binaries.
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.\" Only used if $ORIGIN can't be determined by normal means
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.\" (from the origin path saved at load time, or from /proc/self/exe)?
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.\"
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.\" FIXME
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.\" Document LD_POINTER_GUARD
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.\" Since glibc 2.4
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.\" Set to 0 to disable pointer guarding
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.\" Any other value enables pointer guarding, which is also the default.
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.\" Pointer guarding is a security mechanism(?) to minimize the
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.\" the risk of having usable pointer in the event of a buffer overrun
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.\" or stack smashing attack(?).
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.\" http://article.gmane.org/gmane.comp.gdb.patches/41147/match=ld_pointer_guard
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.\" http://sourceware.org/ml/gdb-patches/2008-04/msg00252.html
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.\" http://www.cygwin.com/ml/libc-alpha/2006-01/msg00011.html
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.TP
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.B LD_PROFILE
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(glibc since 2.1)
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