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4e82f92c34
android_kernel_samsung_sm8650/arch
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Nicholas Piggin 4e82f92c34 powerpc/64s: Fix VAS mm use after free 
[ Upstream commit b4bda59b47879cce38a6ec5a01cd3cac702b5331 ]

The refcount on mm is dropped before the coprocessor is detached.

Reported-by: Sachin Sant <sachinp@linux.ibm.com>
Fixes: 7bc6f71bdf ("powerpc/vas: Define and use common vas_window struct")
Fixes: b22f2d88e4 ("powerpc/pseries/vas: Integrate API with open/close windows")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Tested-by: Sachin Sant <sachinp@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230607101024.14559-1-npiggin@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-19 16:21:38 +02:00
..
alpha mm/fault: convert remaining simple cases to lock_mm_and_find_vma() 2023-07-01 13:16:25 +02:00
arc mm/fault: convert remaining simple cases to lock_mm_and_find_vma() 2023-07-01 13:16:25 +02:00
arm ARM: dts: lan966x: kontron-d10: fix SPI CS 2023-07-19 16:21:34 +02:00
arm64 arm64: dts: mediatek: mt8192: Fix CPUs capacity-dmips-mhz 2023-07-19 16:21:31 +02:00
csky csky: fix up lock_mm_and_find_vma() conversion 2023-07-01 13:16:27 +02:00
hexagon mm/fault: convert remaining simple cases to lock_mm_and_find_vma() 2023-07-01 13:16:25 +02:00
ia64 mm: always expand the stack with the mmap write lock held 2023-07-01 13:16:25 +02:00
loongarch mm/fault: convert remaining simple cases to lock_mm_and_find_vma() 2023-07-01 13:16:25 +02:00
m68k mm: always expand the stack with the mmap write lock held 2023-07-01 13:16:25 +02:00
microblaze mm: always expand the stack with the mmap write lock held 2023-07-01 13:16:25 +02:00
mips mips/mm: Convert to using lock_mm_and_find_vma() 2023-07-01 13:16:24 +02:00
nios2 mm/fault: convert remaining simple cases to lock_mm_and_find_vma() 2023-07-01 13:16:25 +02:00
openrisc mm: always expand the stack with the mmap write lock held 2023-07-01 13:16:25 +02:00
parisc parisc: fix expand_stack() conversion 2023-07-01 13:16:26 +02:00
powerpc powerpc/64s: Fix VAS mm use after free 2023-07-19 16:21:38 +02:00
riscv riscv/mm: Convert to using lock_mm_and_find_vma() 2023-07-01 13:16:24 +02:00
s390 mm: always expand the stack with the mmap write lock held 2023-07-01 13:16:25 +02:00
sh mm/fault: convert remaining simple cases to lock_mm_and_find_vma() 2023-07-01 13:16:25 +02:00
sparc sparc32: fix lock_mm_and_find_vma() conversion 2023-07-01 13:16:26 +02:00
um mm: always expand the stack with the mmap write lock held 2023-07-01 13:16:25 +02:00
x86 x86/mm: Fix __swp_entry_to_pte() for Xen PV guests 2023-07-19 16:21:02 +02:00
xtensa mm/fault: convert remaining simple cases to lock_mm_and_find_vma() 2023-07-01 13:16:25 +02:00
.gitignore
Kconfig ftrace: Allow WITH_ARGS flavour of graph tracer with shadow call stack 2022-12-31 13:32:45 +01:00