diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2018-04-20 14:23:36 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-16 10:06:52 +0200 |
| commit | ae5751bee1e21dd17de021e7706abbab0b5e49da (patch) | |
| tree | 5ae9670e706fc307406349ca65f810c6171f8cd6 /kernel/bpf/arraymap.c | |
| parent | 5ff02cfcbbf6d09be1ef45796d24677a73d4e8a8 (diff) | |
perf/x86/msr: Fix possible Spectre-v1 indexing in the MSR driver
commit 06ce6e9b6d6c09d4129c6e24a1314a395d816c10 upstream.
> arch/x86/events/msr.c:178 msr_event_init() warn: potential spectre issue 'msr' (local cap)
Userspace controls @attr, sanitize cfg (attr->config) before using it
to index an array.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/bpf/arraymap.c')
0 files changed, 0 insertions, 0 deletions