Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
perf bench inject-buildid: 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>
+2
-1
+2
-1
tools/perf/bench/inject-buildid.c
+2
-1
tools/perf/bench/inject-buildid.c
···
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12
#include <linux/time64.h>
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13
#include <linux/list.h>
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#include <linux/err.h>
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+
#include <linux/zalloc.h>
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#include <internal/lib.h>
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#include <subcmd/parse-options.h>
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···
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for (i = 0; i < nr_dsos; i++) {
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struct bench_dso *dso = &dsos[i];
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-
free(dso->name);
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+
zfree(&dso->name);
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}
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free(dsos);
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}