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 e4a43d475ba6..a0e196f973b9 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -10560,8 +10560,11 @@ 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; } }