Commit 015d3116 authored Jan 31, 2022 by Adrian Hunter Committed by Greg Kroah-Hartman Apr 15, 2022

perf/core: Fix address filter parser for multiple filters



[ 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: 375637bc ("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>

parent 841f5b23

kernel/events/core.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}
		}