perf trace: Use zfree() to reduce chances of use after free

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[ Upstream commit 9997d5dd17 ]

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>
Stable-dep-of: 7962ef1365 ("perf trace: Really free the evsel->priv area")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Arnaldo Carvalho de Melo 2023-04-12 09:50:08 -03:00 • committed by Greg Kroah-Hartman

parent eb17c3d005

commit e5dee8222d

1 changed files with 4 additions and 4 deletions

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tools/perf/builtin-trace.c

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