On Fri, 27 Oct 2023 16:37:29 -0700
Song Liu <song@xxxxxxxxxx> wrote:
> On Fri, Oct 27, 2023 at 4:31 PM Andrii Nakryiko <andrii@xxxxxxxxxx> wrote:
> >
> > Recent changes to count number of matching symbols when creating
> > a kprobe event failed to take into account kernel modules. As such, it
> > breaks kprobes on kernel module symbols, by assuming there is no match.
> >
> > Fix this my calling module_kallsyms_on_each_symbol() in addition to
> > kallsyms_on_each_match_symbol() to perform a proper counting.
> >
> > Cc: Francis Laniel <flaniel@xxxxxxxxxxxxxxxxxxx>
> > Cc: stable@xxxxxxxxxxxxxxx
> > Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
> > Fixes: b022f0c7e404 ("tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols")
> > Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
>
> Acked-by: Song Liu <song@xxxxxxxxxx>
Good catch! Thanks!
--
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
