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[binutils-gdb] libiberty: Fix memory leak in ada_demangle when symbol cannot be demangled.
- From: sergiodj+buildbot at sergiodj dot net
- To: gdb-testers at sourceware dot org
- Date: Fri, 18 Nov 2016 11:14:41 -0500
- Subject: [binutils-gdb] libiberty: Fix memory leak in ada_demangle when symbol cannot be demangled.
- Authentication-results: sourceware.org; auth=none
*** TEST RESULTS FOR COMMIT aba19b625f34fb3d61263fe8044cf0c6d8804570 ***
Author: Mark Wielaard <mjw@redhat.com>
Branch: master
Commit: aba19b625f34fb3d61263fe8044cf0c6d8804570
libiberty: Fix memory leak in ada_demangle when symbol cannot be demangled.
When a symbol cannot be demangled in ada_demangle a new demangled VEC
will be allocated without deleting the demangled VEC already in use.
Running testsuite/test-demangle under valgrind will show the leak for
this entry in testsuite/demangle-expected:
# Elaborated flag (not demangled)
--format=gnat
x_E
<x_E>
11 bytes in 1 blocks are definitely lost in loss record 1 of 1
at 0x4C27BE3: malloc (vg_replace_malloc.c:299)
by 0x413FE7: xmalloc (xmalloc.c:148)
by 0x4025EC: ada_demangle (cplus-dem.c:930)
by 0x402C59: cplus_demangle (cplus-dem.c:892)
by 0x400FEC: main (test-demangle.c:317)
libiberty/ChangeLog:
* cplus-dem.c (ada_demangle): Initialize demangled to NULL and
XDELETEVEC demangled when unknown.
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