Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
perf genelf: Use zfree() to reduce chances of use after free
Do defensive programming by using zfree() to initialize freed pointers
to NULL, so that eventual use after free result in a NULL pointer deref
instead of more subtle behaviour.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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-1
tools/perf/util/genelf_debug.c
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tools/perf/util/genelf_debug.c
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* @author Philippe Elie
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*/
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#include <linux/compiler.h>
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#include <linux/zalloc.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <getopt.h>
···
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static void
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buffer_ext_exit(struct buffer_ext *be)
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{
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-
free(be->data);
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zfree(&be->data);
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}
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static inline size_t