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| author | Al Viro <viro@zeniv.linux.org.uk> | 2011-06-20 18:59:02 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-07-20 01:43:18 -0400 |
| commit | 1fc0f78ca9f311c6277e2f1b7655bb4d43ceb311 (patch) | |
| tree | 9c6a5879558b7a189f94eae97ac80268e63fe29b /fs/proc | |
| parent | 178ea73521d64ba41d7aa5488fb9f549c6d4507d (diff) | |
| download | lwn-1fc0f78ca9f311c6277e2f1b7655bb4d43ceb311.tar.gz lwn-1fc0f78ca9f311c6277e2f1b7655bb4d43ceb311.zip | |
->permission() sanitizing: MAY_NOT_BLOCK
Duplicate the flags argument into mask bitmap.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/proc_sysctl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index d167de365a8d..349b22f434d8 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -316,7 +316,7 @@ static int proc_sys_permission(struct inode *inode, int mask,unsigned int flags) if (!table) /* global root - r-xr-xr-x */ error = mask & MAY_WRITE ? -EACCES : 0; else /* Use the permissions on the sysctl table entry */ - error = sysctl_perm(head->root, table, mask); + error = sysctl_perm(head->root, table, mask & ~MAY_NOT_BLOCK); sysctl_head_finish(head); return error; |