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cc6f0e3900
linux/arch/powerpc
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Christophe Leroy cc6f0e3900 powerpc/32: Fix missing NULL pmd check in virt_to_kpte() 
Commit 2efc7c085f ("powerpc/32: drop get_pteptr()"),
replaced get_pteptr() by virt_to_kpte(). But virt_to_kpte() lacks a
NULL pmd check and returns an invalid non NULL pointer when there
is no page table.

Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Fixes: 2efc7c085f ("powerpc/32: drop get_pteptr()")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/b1177cdfc6af74a3e277bba5d9e708c4b3315ebe.1583575707.git.christophe.leroy@c-s.fr
2020-03-13 21:13:05 +11:00
..
boot powerpc/Makefile: Mark phony targets as PHONY 2020-03-04 22:44:27 +11:00
configs virtio: fixes, cleanups 2020-02-07 12:26:34 -08:00
crypto crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN 2020-01-09 11:30:53 +08:00
include powerpc/32: Fix missing NULL pmd check in virt_to_kpte() 2020-03-13 21:13:05 +11:00
kernel Merge branch 'fixes' into next 2020-03-10 15:16:42 +11:00
kexec powerpc: Avoid clang warnings around setjmp and longjmp 2019-11-25 21:45:43 +11:00
kvm powerpc/kvm: no need to check return value of debugfs_create functions 2020-03-04 22:44:25 +11:00
lib powerpc: Fix __clear_user() with KUAP enabled 2019-12-16 23:19:44 +11:00
math-emu
mm Merge branch 'fixes' into next 2020-03-10 15:16:42 +11:00
net treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
oprofile powerpc updates for 5.6 2020-02-04 13:06:46 +00:00
perf powerpc/8xx: Use alternative scratch registers in DTLB miss handler 2020-01-27 22:36:16 +11:00
platforms powerpc/vphn: Check for error from hcall_vphn 2020-03-04 22:44:30 +11:00
purgatory treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
sysdev powerpc updates for 5.6 2020-02-04 13:06:46 +00:00
tools powerpc: Do not consider weak unresolved symbol relocations as bad 2020-01-31 20:17:22 +11:00
xmon powerpc/xmon: Fix whitespace handling in getstring() 2020-02-18 21:31:12 +11:00
Kbuild powerpc/kexec: Move kexec files into a dedicated subdir. 2019-11-21 15:41:34 +11:00
Kconfig powerpc updates for 5.6 2020-02-04 13:06:46 +00:00
Kconfig.debug powerpc/ptdump: Only enable PPC_CHECK_WX with STRICT_KERNEL_RWX 2020-01-23 21:31:13 +11:00
Makefile powerpc/Makefile: Mark phony targets as PHONY 2020-03-04 22:44:27 +11:00
Makefile.postlink powerpc: Do not consider weak unresolved symbol relocations as bad 2020-01-31 20:17:22 +11:00