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ldd: never run file directly

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Andreas Schwab 2017-08-16 15:59:55 +02:00 committed by Florian Weimer
parent f59f7adb4a
commit eedca9772e
2 changed files with 5 additions and 13 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2017-08-16 Andreas Schwab <schwab@suse.de>
* elf/ldd.bash.in: Never run file directly.
2017-08-15 H.J. Lu <hongjiu.lu@intel.com>
[BZ #21955]

14
elf/ldd.bash.in
View file

@ -164,18 +164,6 @@ warning: you do not have execution permission for" "\`$file'" >&2
fi
done
case $ret in
0)
# If the program exits with exit code 5, it means the process has been
# invoked with __libc_enable_secure. Fall back to running it through
# the dynamic linker.
try_trace "$file"
rc=$?
if [ $rc = 5 ]; then
try_trace "$RTLD" "$file"
rc=$?
fi
[ $rc = 0 ] || result=1
;;
1)
# This can be a non-ELF binary or no binary at all.
nonelf "$file" || {
@ -183,7 +171,7 @@ warning: you do not have execution permission for" "\`$file'" >&2
result=1
}
;;
2)
0|2)
try_trace "$RTLD" "$file" || result=1
;;
*)