Re: [syzbot] [media?] [usb?] WARNING in imon_probe

Ricardo B. Marliere
2023-09-26T15:52:32Z

> If you want syzbot to run the reproducer, reply with:
> #syz test: git://repo/address.git branch-or-commit-hash
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a48fa7efaf1161c1c898931fe4c7f0070964233a

diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c
index 74546f7e3469..5719dda6e0f0 100644
--- a/drivers/media/rc/imon.c
+++ b/drivers/media/rc/imon.c
@@ -2427,6 +2427,12 @@ static int imon_probe(struct usb_interface *interface,
goto fail;
}

+ if (first_if->dev.driver != interface->dev.driver) {
+ dev_err(&interface->dev, "inconsistent driver matching\n");
+ ret = -EINVAL;
+ goto fail;
+ }
+
if (ifnum == 0) {
ictx = imon_init_intf0(interface, id);
if (!ictx) {