| commit | 0d73c3f8e7f6ee2aab1bb350f60c180f5ae21a2c | [log] [tgz] |
|---|---|---|
| author | Masami Hiramatsu <mhiramat@kernel.org> | Sun May 13 05:04:29 2018 +0100 |
| committer | Russell King <rmk+kernel@armlinux.org.uk> | Sat May 19 11:35:56 2018 +0100 |
| tree | 1157529f1984e2f576326efb9fcc5dda67a9da86 | |
| parent | eb0146daefdde65665b7f076fbff7b49dade95b9 [diff] |
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@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>