On Sat, 12 Jan 2019 11:28:02 +0900 Masami Hiramatsu <mhira...@kernel.org> wrote:
> Newer gcc can generate some different instances of a function > with suffixed symbols if the function is optimized and only > has a part of that. (e.g. .constprop, .part etc.) > > In this case, it is not enough to check the entry of kprobe > blacklist because it only records non-suffixed symbol address. > > To fix this issue, search non-suffixed symbol in blacklist if > given address is within a symbol which has a suffix. > > Note that this can cause false positive cases if a kprobe-safe > function is optimized to suffixed instance and has same name > symbol which is blacklisted. > But I would like to chose a fail-safe design for this issue. > > Signed-off-by: Masami Hiramatsu <mhira...@kernel.org> Reviewed-by: Steven Rostedt (VMware) <rost...@goodmis.org> -- Steve
