linux/arch/x86/kernel/kprobes
Wang Nan 256aae5eac kprobes/x86: Free 'optinsn' cache when range check fails
This patch frees the 'optinsn' slot when we get a range check error,
to prevent memory leaks.

Before this patch, cache entry in kprobe_insn_cache() won't be freed
if kprobe optimizing fails due to range check failure.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Pei Feiyue <peifeiyue@huawei.com>
Link: http://lkml.kernel.org/r/1406550019-70935-1-git-send-email-wangnan0@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-08-27 20:24:32 +02:00
..
Makefile kprobes/x86: Move kprobes stuff under arch/x86/kernel/kprobes/ 2013-01-21 13:22:37 -05:00
common.h kprobes/x86: Use text_poke_bp() instead of text_poke_smp*() 2013-07-19 09:57:04 +02:00
core.c kprobes/x86: Don't try to resolve kprobe faults from userspace 2014-07-16 14:16:32 +02:00
ftrace.c kprobes, x86: Use NOKPROBE_SYMBOL() instead of __kprobes annotation 2014-04-24 10:26:38 +02:00
opt.c kprobes/x86: Free 'optinsn' cache when range check fails 2014-08-27 20:24:32 +02:00