| Message ID | E1loPrH-00GFAU-1v@www.linuxtv.org |
|---|---|
| State | Accepted |
| Commit | 0a045eac8d0427b64577a24d74bb8347c905ac65 |
| Headers | show |
| Series | [git:media_stage/master] media: zr364xx: fix memory leak in zr364xx_start_readpipe | expand |
diff --git a/drivers/media/usb/zr364xx/zr364xx.c b/drivers/media/usb/zr364xx/zr364xx.c index 1ef611e08323..538a330046ec 100644 --- a/drivers/media/usb/zr364xx/zr364xx.c +++ b/drivers/media/usb/zr364xx/zr364xx.c @@ -1032,6 +1032,7 @@ static int zr364xx_start_readpipe(struct zr364xx_camera *cam) DBG("submitting URB %p\n", pipe_info->stream_urb); retval = usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL); if (retval) { + usb_free_urb(pipe_info->stream_urb); printk(KERN_ERR KBUILD_MODNAME ": start read pipe failed\n"); return retval; }
This is an automatic generated email to let you know that the following patch were queued: Subject: media: zr364xx: fix memory leak in zr364xx_start_readpipe Author: Pavel Skripkin <paskripkin@gmail.com> Date: Mon May 17 21:18:14 2021 +0200 syzbot reported memory leak in zr364xx driver. The problem was in non-freed urb in case of usb_submit_urb() fail. backtrace: [<ffffffff82baedf6>] kmalloc include/linux/slab.h:561 [inline] [<ffffffff82baedf6>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74 [<ffffffff82f7cce8>] zr364xx_start_readpipe+0x78/0x130 drivers/media/usb/zr364xx/zr364xx.c:1022 [<ffffffff84251dfc>] zr364xx_board_init drivers/media/usb/zr364xx/zr364xx.c:1383 [inline] [<ffffffff84251dfc>] zr364xx_probe+0x6a3/0x851 drivers/media/usb/zr364xx/zr364xx.c:1516 [<ffffffff82bb6507>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<ffffffff826018a9>] really_probe+0x159/0x500 drivers/base/dd.c:576 Fixes: ccbf035ae5de ("V4L/DVB (12278): zr364xx: implement V4L2_CAP_STREAMING") Cc: stable@vger.kernel.org Reported-by: syzbot+af4fa391ef18efdd5f69@syzkaller.appspotmail.com Signed-off-by: Pavel Skripkin <paskripkin@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> drivers/media/usb/zr364xx/zr364xx.c | 1 + 1 file changed, 1 insertion(+) ---