Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 109/475] perf/core: Fix address filter parser for multiple filters | Date | Thu, 14 Apr 2022 15:08:14 +0200 |
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From: Adrian Hunter <adrian.hunter@intel.com>
[ Upstream commit d680ff24e9e14444c63945b43a37ede7cd6958f9 ]
Reset appropriate variables in the parser loop between parsing separate filters, so that they do not interfere with parsing the next filter.
Fixes: 375637bc524952 ("perf/core: Introduce address range filtering") Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20220131072453.2839535-4-adrian.hunter@intel.com Signed-off-by: Sasha Levin <sashal@kernel.org> --- kernel/events/core.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/kernel/events/core.c b/kernel/events/core.c index f720a40ccaf5..52f4a9e46704 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -9490,8 +9490,11 @@ perf_event_parse_addr_filter(struct perf_event *event, char *fstr, } /* ready to consume more filters */ + kfree(filename); + filename = NULL; state = IF_STATE_ACTION; filter = NULL; + kernel = 0; } } -- 2.34.1
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