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| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2016-03-21 10:02:42 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-03-31 09:54:07 +0200 |
| commit | 201c2f85bd0bc13b712d9c0b3d11251b182e06ae (patch) | |
| tree | f6cee3978f4e8cc0da26f9272cd483d815d1d404 | |
| parent | 8fdc65391c6ad16461526a685f03262b3b01bfde (diff) | |
| download | linux-201c2f85bd0bc13b712d9c0b3d11251b182e06ae.tar.gz linux-201c2f85bd0bc13b712d9c0b3d11251b182e06ae.tar.bz2 linux-201c2f85bd0bc13b712d9c0b3d11251b182e06ae.zip | |
perf/core: Don't leak event in the syscall error path
In the error path, event_file not being NULL is used to determine
whether the event itself still needs to be free'd, so fix it up to
avoid leaking.
Reported-by: Leon Yu <chianglungyu@gmail.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Fixes: 130056275ade ("perf: Do not double free")
Link: http://lkml.kernel.org/r/87twk06yxp.fsf@ashishki-desk.ger.corp.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | kernel/events/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 8c11388e92a5..52bedc5a5aaa 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -8542,6 +8542,7 @@ SYSCALL_DEFINE5(perf_event_open, f_flags); if (IS_ERR(event_file)) { err = PTR_ERR(event_file); + event_file = NULL; goto err_context; } |