This is an automatic generated email to let you know that the following patch
were queued:
Subject: media: dvbdev: drop refcount on error path in dvb_device_open()
Author: Dan Carpenter <dan.carpen...@linaro.org>
Date: Tue Oct 31 12:53:33 2023 +0300
If call to file->f_op->open() fails, then call dvb_device_put(dvbdev).
Fixes: 0fc044b2b5e2 ("media: dvbdev: adopts refcnt to avoid UAF")
Signed-off-by: Dan Carpenter <dan.carpen...@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/dvb-core/dvbdev.c | 2 ++
1 file changed, 2 insertions(+)
---
diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index 305bb21d843c..49f0eb7d0b9d 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -104,6 +104,8 @@ static int dvb_device_open(struct inode *inode, struct file
*file)
err = file->f_op->open(inode, file);
up_read(&minor_rwsem);
mutex_unlock(&dvbdev_mutex);
+ if (err)
+ dvb_device_put(dvbdev);
return err;
}
fail:
_______________________________________________
linuxtv-commits mailing list
linuxtv-commits@linuxtv.org
https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
