| commit | 60f7bb66b88b649433bf700acfc60c3f24953871 | [log] [tgz] |
|---|---|---|
| author | Kees Cook <keescook@chromium.org> | Thu Jul 02 15:20:22 2020 -0700 |
| committer | Kees Cook <keescook@chromium.org> | Wed Jul 08 16:00:22 2020 -0700 |
| tree | a8645c78975252d456c17685eb840ee74f504ac4 | |
| parent | b25a7c5af9051850d4f3d93ca500056ab6ec724b [diff] |
kprobes: Do not expose probe addresses to non-CAP_SYSLOG
The kprobe show() functions were using "current"'s creds instead
of the file opener's creds for kallsyms visibility. Fix to use
seq_file->file->f_cred.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: stable@vger.kernel.org
Fixes: 81365a947de4 ("kprobes: Show address of kprobes if kallsyms does")
Fixes: ffb9bd68ebdb ("kprobes: Show blacklist addresses as same as kallsyms does")
Signed-off-by: Kees Cook <keescook@chromium.org>