We should cancel hw->usb_work before kfree(hw). Reported-by: syzbot+6d2e7f6fa90e27be9d62@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Qiujun Huang <hqjagain@xxxxxxxxx> --- drivers/staging/wlan-ng/prism2usb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c index 352556f..4689b21 100644 --- a/drivers/staging/wlan-ng/prism2usb.c +++ b/drivers/staging/wlan-ng/prism2usb.c @@ -180,6 +180,7 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface) cancel_work_sync(&hw->link_bh); cancel_work_sync(&hw->commsqual_bh); + cancel_work_sync(&hw->usb_work); /* Now we complete any outstanding commands * and tell everyone who is waiting for their -- 1.8.3.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel