Linux/linux 0d73c3f — arch/arm/include/asm assembler.h, arch/arm/lib getuser.S
ARM: 8772/1: kprobes: Prohibit kprobes on get_user functions
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: 24ba613c9d6c ("ARM kprobes: core code")
Signed-off-by: Masami Hiramatsu <mhiramat at kernel.org>
Cc: stable at vger.kernel.org
Signed-off-by: Russell King <rmk+kernel at armlinux.org.uk>
| Delta | File | |
|---|---|---|
| +10 | -0 | arch/arm/include/asm/assembler.h |
| +10 | -0 | arch/arm/lib/getuser.S |
| +20 | -0 | 2 files |
