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Boris Ostrovsky 8c6de56a42 x86/kvm: Be careful not to clear KVM_VCPU_FLUSH_TLB bit
kvm_steal_time_set_preempted() may accidentally clear KVM_VCPU_FLUSH_TLB
bit if it is called more than once while VCPU is preempted.

This is part of CVE-2019-3016.

(This bug was also independently discovered by Jim Mattson
<jmattson@google.com>)

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-30 18:45:54 +01:00
..
alpha alpha: use pgtable-nopud instead of 4level-fixup 2019-12-04 19:44:14 -08:00
arc ARC fixes for v5.5-rc6 2020-01-06 10:16:48 -08:00
arm KVM/arm fixes for .5.5, take #1 2019-12-18 17:47:38 +01:00
arm64 arm64: Revert support for execute-only user mappings 2020-01-06 10:10:07 -08:00
c6x c6x: use pgtable-nopud instead of 4level-fixup 2019-12-04 19:44:15 -08:00
csky dma-mapping updates for 5.5-rc1 2019-11-28 11:16:43 -08:00
h8300 h8300: Move EXCEPTION_TABLE to RO_DATA segment 2019-11-04 18:12:55 +01:00
hexagon hexagon: define ioremap_uc 2020-01-04 13:55:09 -08:00
ia64 mm/memory_hotplug: shrink zones when offlining memory 2020-01-04 13:55:08 -08:00
m68k Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu 2019-12-05 12:20:42 -08:00
microblaze microblaze: use pgtable-nopmd instead of 4level-fixup 2019-12-04 19:44:15 -08:00
mips A collection of MIPS fixes: 2020-01-04 14:16:57 -08:00
nds32 nds32: use pgtable-nopmd instead of 4level-fixup 2019-12-04 19:44:15 -08:00
nios2 nios2: Fix ioremap 2019-12-12 16:34:33 +08:00
openrisc OpenRISC updates for 5.5 2019-12-02 17:18:43 -08:00
parisc parisc: Fix compiler warnings in debug_core.c 2019-12-20 21:01:42 +01:00
powerpc mm/memory_hotplug: shrink zones when offlining memory 2020-01-04 13:55:08 -08:00
riscv riscv: prefix IRQ_ macro names with an RV_ namespace 2020-01-04 21:48:59 -08:00
s390 mm/memory_hotplug: shrink zones when offlining memory 2020-01-04 13:55:08 -08:00
sh mm/memory_hotplug: shrink zones when offlining memory 2020-01-04 13:55:08 -08:00
sparc treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
um um: add support for folded p4d page tables 2019-12-04 19:44:15 -08:00
unicore32 generic ioremap support 2019-11-28 10:57:12 -08:00
x86 x86/kvm: Be careful not to clear KVM_VCPU_FLUSH_TLB bit 2020-01-30 18:45:54 +01:00
xtensa arch: sembuf.h: make uapi asm/sembuf.h self-contained 2019-12-04 19:44:14 -08:00
.gitignore
Kconfig arch/Kconfig: fix indentation 2019-12-04 19:44:12 -08:00