Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=492c8b332e3af279ffadf49b85967d5e43810923
Commit: 492c8b332e3af279ffadf49b85967d5e43810923
Parent: 5a1b63914815e4223ceb3d079286e18f9ee92b4b
Author: Christoph Hellwig <[EMAIL PROTECTED]>
AuthorDate: Wed May 23 13:57:53 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed May 23 20:14:13 2007 -0700
uselib: add missing MNT_NOEXEC check
We don't allow loading ELF shared library from noexec points so the
same should apply to sys_uselib aswell.
Signed-off-by: Christoph Hellwig <[EMAIL PROTECTED]>
Cc: Ulrich Drepper <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
fs/exec.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/fs/exec.c b/fs/exec.c
index 0b68588..f20561f 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -134,6 +134,9 @@ asmlinkage long sys_uselib(const char __user * library)
if (error)
goto out;
+ error = -EACCES;
+ if (nd.mnt->mnt_flags & MNT_NOEXEC)
+ goto exit;
error = -EINVAL;
if (!S_ISREG(nd.dentry->d_inode->i_mode))
goto exit;
-
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