From: Jeremy Allison <jra@samba.org>
Date: Thu, 7 May 2020 19:42:10 +0000 (-0700)
Subject: s3: VFS: aio_fork: Change sys_pread() -> sys_pread_full() to protect against short... 
X-Git-Tag: ldb-2.2.0~542
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=60f590000d545292760018694deb34a7cc4ded6d;p=thirdparty%2Fsamba.git

s3: VFS: aio_fork: Change sys_pread() -> sys_pread_full() to protect against short reads.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14361

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
---

diff --git a/source3/modules/vfs_aio_fork.c b/source3/modules/vfs_aio_fork.c
index a1fed5c0655..285b331ff9c 100644
--- a/source3/modules/vfs_aio_fork.c
+++ b/source3/modules/vfs_aio_fork.c
@@ -342,7 +342,7 @@ static void aio_child_loop(int sockfd, struct mmap_area *map)
 
 		switch (cmd_struct.cmd) {
 		case READ_CMD:
-			ret_struct.size = sys_pread(
+			ret_struct.size = sys_pread_full(
 				fd, discard_const(map->ptr), cmd_struct.n,
 				cmd_struct.offset);
 #if 0