From: Abdun Nihaal Date: Tue, 23 Dec 2025 06:30:11 +0000 (+0530) Subject: scsi: xen: scsiback: Fix potential memory leak in scsiback_remove() X-Git-Tag: v6.19-rc7~1^2~5 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=901a5f309daba412e2a30364d7ec1492fa11c32c;p=thirdparty%2Fkernel%2Flinux.git scsi: xen: scsiback: Fix potential memory leak in scsiback_remove() Memory allocated for struct vscsiblk_info in scsiback_probe() is not freed in scsiback_remove() leading to potential memory leaks on remove, as well as in the scsiback_probe() error paths. Fix that by freeing it in scsiback_remove(). Cc: stable@vger.kernel.org Fixes: d9d660f6e562 ("xen-scsiback: Add Xen PV SCSI backend driver") Signed-off-by: Abdun Nihaal Reviewed-by: Juergen Gross Link: https://patch.msgid.link/20251223063012.119035-1-nihaal@cse.iitm.ac.in Signed-off-by: Martin K. Petersen --- diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c index 0c51edfd13dc..7d5117e5efe0 100644 --- a/drivers/xen/xen-scsiback.c +++ b/drivers/xen/xen-scsiback.c @@ -1262,6 +1262,7 @@ static void scsiback_remove(struct xenbus_device *dev) gnttab_page_cache_shrink(&info->free_pages, 0); dev_set_drvdata(&dev->dev, NULL); + kfree(info); } static int scsiback_probe(struct xenbus_device *dev,