[PATCH 3.19 v3 1/2] x86, mpx: Short-circuit the instruction decoder for unexpected opcodes

2015-01-12 Thread Andy Lutomirski
This reduces the degree to which we're exposing the instruction decoder to malicious user code at very little complexity cost. Signed-off-by: Andy Lutomirski --- arch/x86/mm/mpx.c | 25 - 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/arch/x86/mm/mpx.c

[PATCH 3.19 v3 1/2] x86, mpx: Short-circuit the instruction decoder for unexpected opcodes

2015-01-12 Thread Andy Lutomirski
This reduces the degree to which we're exposing the instruction decoder to malicious user code at very little complexity cost. Signed-off-by: Andy Lutomirski l...@amacapital.net --- arch/x86/mm/mpx.c | 25 - 1 file changed, 16 insertions(+), 9 deletions(-) diff --git