diff options
| author | Peter Zijlstra <[email protected]> | 2018-04-20 14:03:18 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2018-05-05 08:37:27 +0200 |
| commit | 4411ec1d1993e8dbff2898390e3fed280d88e446 (patch) | |
| tree | 9ffa1e252152bfa28724ece94ae95f7f7976e3da /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | 354d7793070611b4df5a79fbb0f12752d0ed0cc5 (diff) | |
perf/core: Fix possible Spectre-v1 indexing for ->aux_pages[]
> kernel/events/ring_buffer.c:871 perf_mmap_to_page() warn: potential spectre issue 'rb->aux_pages'
Userspace controls @pgoff through the fault address. Sanitize the
array index before doing the array dereference.
Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Vince Weaver <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions