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Ryan Roberts b6bcdc9f6b KVM: arm64: Fix bad dereference on MTE-enabled systems 
enter_exception64() performs an MTE check, which involves dereferencing
vcpu->kvm. While vcpu has already been fixed up to be a HYP VA pointer,
kvm is still a pointer in the kernel VA space.

This only affects nVHE configurations with MTE enabled, as in other
cases, the pointer is either valid (VHE) or not dereferenced (!MTE).

Fix this by first converting kvm to a HYP VA pointer.

Fixes: ea7fc1bb1c ("KVM: arm64: Introduce MTE VM feature")
Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
Reviewed-by: Steven Price <steven.price@arm.com>
[maz: commit message tidy-up]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20221027120945.29679-1-ryan.roberts@arm.com
2022-10-27 19:49:40 +01:00
..
alpha asm-generic: arch/alpha regression fix for 6.1 2022-10-14 13:47:42 -07:00
arc - hfs and hfsplus kmap API modernization from Fabio Francesco 2022-10-12 11:00:22 -07:00
arm Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
arm64 KVM: arm64: Fix bad dereference on MTE-enabled systems 2022-10-27 19:49:40 +01:00
csky - hfs and hfsplus kmap API modernization from Fabio Francesco 2022-10-12 11:00:22 -07:00
hexagon - hfs and hfsplus kmap API modernization from Fabio Francesco 2022-10-12 11:00:22 -07:00
ia64 - hfs and hfsplus kmap API modernization from Fabio Francesco 2022-10-12 11:00:22 -07:00
loongarch Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
m68k - hfs and hfsplus kmap API modernization from Fabio Francesco 2022-10-12 11:00:22 -07:00
microblaze - hfs and hfsplus kmap API modernization from Fabio Francesco 2022-10-12 11:00:22 -07:00
mips Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
nios2 - hfs and hfsplus kmap API modernization from Fabio Francesco 2022-10-12 11:00:22 -07:00
openrisc OpenRISC 6.1 Updates 2022-10-15 16:47:33 -07:00
parisc Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
powerpc Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
riscv RISC-V: KVM: Fix kvm_riscv_vcpu_timer_pending() for Sstc 2022-10-21 11:52:45 +05:30
s390 Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
sh - hfs and hfsplus kmap API modernization from Fabio Francesco 2022-10-12 11:00:22 -07:00
sparc Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
um Random number generator fixes for Linux 6.1-rc1. 2022-10-16 15:27:07 -07:00
x86 RISC-V: 2022-10-23 15:00:43 -07:00
xtensa - hfs and hfsplus kmap API modernization from Fabio Francesco 2022-10-12 11:00:22 -07:00
.gitignore
Kconfig - Yu Zhao's Multi-Gen LRU patches are here. They've been under test in 2022-10-10 17:53:04 -07:00