In 2c964a2f "drivers: tty: Merge alloc_tty_struct and initialize_tty_struct", I messed up the refactorization of pty_common_install, causing use-after-free and NULL pointer derefs on various error paths. This should fix it.
Reported-by: Julia Lawall <[email protected]> Reported-by: Dan Carpenter <[email protected]> Signed-off-by: Rasmus Villemoes <[email protected]> --- drivers/tty/pty.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index ac723e3..9bbdb1d 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -388,7 +388,7 @@ err_deinit_tty: deinitialize_tty_struct(o_tty); free_tty_struct(o_tty); err_put_module: - module_put(o_tty->driver->owner); + module_put(driver->other->owner); err: kfree(ports[0]); kfree(ports[1]); -- 1.9.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
