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| author |   Peter Zijlstra <peterz@infradead.org> | 2018-04-20 14:03:18 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2018-05-05 08:37:27 +0200 |
| commit | 4411ec1d1993e8dbff2898390e3fed280d88e446 (patch) | |
| tree | 9ffa1e252152bfa28724ece94ae95f7f7976e3da /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py | |
| parent | sched/autogroup: Fix possible Spectre-v1 indexing for sched_prio_to_weight[] (diff) | |
| download | wireguard-linux-4411ec1d1993e8dbff2898390e3fed280d88e446.tar.xz wireguard-linux-4411ec1d1993e8dbff2898390e3fed280d88e446.zip | |
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 <dan.carpenter@oracle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: <stable@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
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>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/SchedGui.py')
0 files changed, 0 insertions, 0 deletions