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>
