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Paolo Bonzini 563135ec66 KVM: x86: fix shift out of bounds reported by UBSAN 
commit 2f80d502d6 upstream.

Since we know that e >= s, we can reassociate the left shift,
changing the shifted number from 1 to 2 in exchange for
decreasing the right hand side by 1.

Reported-by: syzbot+e87846c48bf72bc85311@syzkaller.appspotmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2021-01-12 20:18:26 +01:00
..
alpha local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
arc local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
arm ARM: dts: OMAP3: disable AES on N950/N9 2021-01-12 20:18:25 +01:00
arm64 arm64: link with -z norelro for LLD or aarch64-elf 2021-01-12 20:18:24 +01:00
c6x arch-cleanup-2020-10-22 2020-10-23 10:06:38 -07:00
csky local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
h8300 local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
hexagon local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
ia64 local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
m68k local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
microblaze local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
mips local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
nds32 local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
nios2 sched/idle: Fix arch_cpu_idle() vs tracing 2020-11-24 16:47:35 +01:00
openrisc sched/idle: Fix arch_cpu_idle() vs tracing 2020-11-24 16:47:35 +01:00
parisc local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
powerpc powerpc: Handle .text.{hot,unlikely}.* in linker script 2021-01-12 20:18:17 +01:00
riscv local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
s390 local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
sh local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
sparc local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
um um: ubd: Submit all data segments atomically 2021-01-06 14:56:55 +01:00
x86 KVM: x86: fix shift out of bounds reported by UBSAN 2021-01-12 20:18:26 +01:00
xtensa local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
Kconfig Revert: "ring-buffer: Remove HAVE_64BIT_ALIGNED_ACCESS" 2020-12-30 11:54:29 +01:00