Use kzalloc instead of kmalloc in netfs_buffer_append_folio to fix a KMSAN uninit-value error in netfs_clear_buffer Signed-off-by: Chang Yu <marcus.yu.56@xxxxxxxxx> Reported-by: syzbot+921873345a95f4dae7e9@xxxxxxxxxxxxxxxxxxxxxxxxx Closes: https://syzkaller.appspot.com/bug?extid=921873345a95f4dae7e9 Fixes: cd0277ed0c18 ("netfs: Use new folio_queue data type and iterator instead of xarray iter") --- fs/netfs/misc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/netfs/misc.c b/fs/netfs/misc.c index 0ad0982ce0e2..6f967b6d30b6 100644 --- a/fs/netfs/misc.c +++ b/fs/netfs/misc.c @@ -22,7 +22,7 @@ int netfs_buffer_append_folio(struct netfs_io_request *rreq, struct folio *folio return -EIO; if (!tail || folioq_full(tail)) { - tail = kmalloc(sizeof(*tail), GFP_NOFS); + tail = kzalloc(sizeof(*tail), GFP_NOFS); if (!tail) return -ENOMEM; netfs_stat(&netfs_n_folioq); -- 2.46.0
