1 files changed, 15 insertions, 0 deletions

diff --git a/sys/vm/vnode_pager.c b/sys/vm/vnode_pager.c
index 0f3ea7300654..fa9f4cab16f9 100644
--- a/sys/vm/vnode_pager.c
+++ b/sys/vm/vnode_pager.c
@@ -1139,6 +1139,21 @@ vnode_pager_generic_getpages_done(struct buf *bp)
 		bp->b_data = unmapped_buf;
 	}
 
+	/*
+	 * If the read failed, we must free any read ahead/behind pages here.
+	 * The requested pages are freed by the caller (for sync requests)
+	 * or by the bp->b_pgiodone callback (for async requests).
+	 */
+	if (error != 0) {
+		VM_OBJECT_WLOCK(object);
+		for (i = 0; i < bp->b_pgbefore; i++)
+			vm_page_free_invalid(bp->b_pages[i]);
+		for (i = bp->b_npages - bp->b_pgafter; i < bp->b_npages; i++)
+			vm_page_free_invalid(bp->b_pages[i]);
+		VM_OBJECT_WUNLOCK(object);
+		return (error);
+	}
+
 	/* Read lock to protect size. */
 	VM_OBJECT_RLOCK(object);
 	for (i = 0, tfoff = IDX_TO_OFF(bp->b_pages[0]->pindex);