[incubator-nuttx] branch master updated: fs/vfs: fix st_mode mask check

[pk...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

pkarashchenko pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new 4b6743591a fs/vfs: fix st_mode mask check
4b6743591a is described below

commit 4b6743591a524aeb00a263d9e4b37ad0c5451d90
Author: yinshengkai <yi...@xiaomi.com>
AuthorDate: Fri Apr 8 12:06:17 2022 +0800

    fs/vfs: fix st_mode mask check
    
    The full mask for st_mode is 0177777
    Now modify any file permissions in hostfs and all will fail
---
 fs/vfs/fs_chstat.c  | 2 +-
 fs/vfs/fs_fchstat.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/vfs/fs_chstat.c b/fs/vfs/fs_chstat.c
index 93c4db7e60..38c0fb44f8 100644
--- a/fs/vfs/fs_chstat.c
+++ b/fs/vfs/fs_chstat.c
@@ -118,7 +118,7 @@ static int chstat(FAR const char *path,
 
   /* Adjust and check buf and flags */
 
-  if ((flags & CH_STAT_MODE) && (buf->st_mode & ~07777))
+  if ((flags & CH_STAT_MODE) && (buf->st_mode & ~0177777))
     {
       goto errout;
     }
diff --git a/fs/vfs/fs_fchstat.c b/fs/vfs/fs_fchstat.c
index df9a6b87d1..44d8306988 100644
--- a/fs/vfs/fs_fchstat.c
+++ b/fs/vfs/fs_fchstat.c
@@ -112,7 +112,7 @@ int file_fchstat(FAR struct file *filep, FAR struct stat *buf, int flags)
 
   /* Adjust and check buf and flags */
 
-  if ((flags & CH_STAT_MODE) && (buf->st_mode & ~07777))
+  if ((flags & CH_STAT_MODE) && (buf->st_mode & ~0177777))
     {
       return -EINVAL;
     }