[PATCH 3.19 167/177] GFS2: Fix crash during ACL deletion in acl max entry check in gfs2_set_acl()
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2015-03-16 15:18:10
Also in:
lkml
3.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Andrew Elble <redacted>
commit 278702074ff77b1a3fa2061267997095959f5e2c upstream.
Fixes: e01580bf9e ("gfs2: use generic posix ACL infrastructure")
Reported-by: Eric Meddaugh <redacted>
Tested-by: Eric Meddaugh <redacted>
Signed-off-by: Andrew Elble <redacted>
Signed-off-by: Steven Whitehouse <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/gfs2/acl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c@@ -73,7 +73,7 @@ int gfs2_set_acl(struct inode *inode, st BUG_ON(name == NULL); - if (acl->a_count > GFS2_ACL_MAX_ENTRIES(GFS2_SB(inode))) + if (acl && acl->a_count > GFS2_ACL_MAX_ENTRIES(GFS2_SB(inode))) return -E2BIG; if (type == ACL_TYPE_ACCESS) {