Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
perf annotate: 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.
Also include the missing linux/zalloc.h header directive.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
+2
-1
+2
-1
tools/perf/util/annotate.c
+2
-1
tools/perf/util/annotate.c
···
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#include <linux/bitops.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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+
#include <linux/zalloc.h>
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#include <subcmd/parse-options.h>
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#include <subcmd/run-command.h>
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44
···
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if (dl)
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annotation_line__add(&dl->al, ¬es->src->source);
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-
free(args->line);
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+
zfree(&args->line);
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return 0;
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}
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