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Masami Hiramatsu ca477b42ae ARM: 8772/1: kprobes: Prohibit kprobes on get_user functions 
commit 0d73c3f8e7 upstream.

Since do_undefinstr() uses get_user to get the undefined
instruction, it can be called before kprobes processes
recursive check. This can cause an infinit recursive
exception.
Prohibit probing on get_user functions.

Fixes: 24ba613c9d ("ARM kprobes: core code")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-05-22 18:54:00 +02:00
..
alpha vgacon: Set VGA struct resource types 2018-03-24 11:01:25 +01:00
arc .gitignore: move *.dtb and *.dtb.S patterns to the top-level .gitignore 2018-02-13 10:19:46 +01:00
arm ARM: 8772/1: kprobes: Prohibit kprobes on get_user functions 2018-05-22 18:54:00 +02:00
arm64 KVM: arm/arm64: VGIC/ITS: protect kvm_read_guest() calls with SRCU lock 2018-05-22 18:53:57 +02:00
blackfin pinctrl: adi2: Fix Kconfig build problem 2017-12-20 10:10:34 +01:00
c6x License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
cris License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
frv License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
h8300 h8300: remove extraneous __BIG_ENDIAN definition 2018-03-28 18:24:38 +02:00
hexagon License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
ia64 ia64, sched/cputime: Fix build error if CONFIG_VIRT_CPU_ACCOUNTING_NATIVE=y 2018-03-03 10:24:35 +01:00
m32r m32r: fix endianness constraints 2018-02-28 10:19:44 +01:00
m68k m68k: add missing SOFTIRQENTRY_TEXT linker section 2018-02-25 11:07:58 +01:00
metag .gitignore: move *.dtb and *.dtb.S patterns to the top-level .gitignore 2018-02-13 10:19:46 +01:00
microblaze microblaze: Setup dependencies for ASM optimized lib functions 2018-04-29 11:33:16 +02:00
mips MIPS: Generic: Support GIC in EIC mode 2018-04-26 11:02:17 +02:00
mn10300 mn10300/misalignment: Use SIGSEGV SEGV_MAPERR to report a failed user copy 2018-02-16 20:23:11 +01:00
nios2 .gitignore: move *.dtb and *.dtb.S patterns to the top-level .gitignore 2018-02-13 10:19:46 +01:00
openrisc kmemcheck: remove annotations 2018-02-22 15:42:23 +01:00
parisc parisc: Fix HPMC handler by increasing size to multiple of 16 bytes 2018-04-19 08:56:16 +02:00
powerpc powerpc/powernv: Fix NVRAM sleep in invalid context when crashing 2018-05-22 18:53:58 +02:00
s390 s390: remove indirect branch from do_softirq_own_stack 2018-05-22 18:53:59 +02:00
score License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
sh SolutionEngine771x: fix Ether platform data 2018-03-03 10:24:36 +01:00
sparc sparc64: update pmdp_invalidate() to return old pmd value 2018-04-26 11:02:14 +02:00
tile fcntl: don't cap l_start and l_end values for F_GETLK64 in compat syscall 2017-12-17 15:07:59 +01:00
um um: Use POSIX ucontext_t instead of struct ucontext 2018-04-24 09:36:33 +02:00
unicore32 kmemcheck: stop using GFP_NOTRACK and SLAB_NOTRACK 2018-02-22 15:42:23 +01:00
x86 x86/mm: Drop TS_COMPAT on 64-bit exec() syscall 2018-05-22 18:54:00 +02:00
xtensa xtensa: fix high memory/reserved memory collision 2018-02-28 10:19:38 +01:00
.gitignore
Kconfig kprobes: Use synchronize_rcu_tasks() for optprobe with CONFIG_PREEMPT=y 2017-12-10 13:40:40 +01:00