perf synthetic events: Avoid write of uninitialized memory when generating...
perf synthetic events: Avoid write of uninitialized memory when generating PERF_RECORD_MMAP* records stable inclusion from stable-5.10.27 commit efb334c4e5ffd98d1de9d0ede16703ced913ad71 bugzilla: 51493 -------------------------------- [ Upstream commit 2a76f6de ] Account for alignment bytes in the zero-ing memset. Fixes: 1a853e36 ("perf record: Allow specifying a pid to record") Signed-off-by: NIan Rogers <irogers@google.com> Acked-by: NJiri Olsa <jolsa@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20210309234945.419254-1-irogers@google.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: NSasha Levin <sashal@kernel.org> Signed-off-by: NChen Jun <chenjun102@huawei.com> Acked-by: N Weilong Chen <chenweilong@huawei.com> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Showing
想要评论请 注册 或 登录