summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--fs/compat.c2
-rw-r--r--fs/exec.c10
-rw-r--r--fs/internal.h2
3 files changed, 5 insertions, 9 deletions
diff --git a/fs/compat.c b/fs/compat.c
index b543363dd625..55efdfebdf5a 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1441,7 +1441,7 @@ int compat_do_execve(char * filename,
bprm->cred = prepare_exec_creds();
if (!bprm->cred)
goto out_unlock;
- check_unsafe_exec(bprm, current->files);
+ check_unsafe_exec(bprm);
file = open_exec(filename);
retval = PTR_ERR(file);
diff --git a/fs/exec.c b/fs/exec.c
index b9f1c144b7a1..c5128fbc9165 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1056,28 +1056,24 @@ EXPORT_SYMBOL(install_exec_creds);
* - the caller must hold current->cred_exec_mutex to protect against
* PTRACE_ATTACH
*/
-void check_unsafe_exec(struct linux_binprm *bprm, struct files_struct *files)
+void check_unsafe_exec(struct linux_binprm *bprm)
{
struct task_struct *p = current, *t;
unsigned long flags;
- unsigned n_fs, n_files, n_sighand;
+ unsigned n_fs, n_sighand;
bprm->unsafe = tracehook_unsafe_exec(p);
n_fs = 1;
- n_files = 1;
n_sighand = 1;
lock_task_sighand(p, &flags);
for (t = next_thread(p); t != p; t = next_thread(t)) {
if (t->fs == p->fs)
n_fs++;
- if (t->files == files)
- n_files++;
n_sighand++;
}
if (atomic_read(&p->fs->count) > n_fs ||
- atomic_read(&p->files->count) > n_files ||
atomic_read(&p->sighand->count) > n_sighand)
bprm->unsafe |= LSM_UNSAFE_SHARE;
@@ -1300,7 +1296,7 @@ int do_execve(char * filename,
bprm->cred = prepare_exec_creds();
if (!bprm->cred)
goto out_unlock;
- check_unsafe_exec(bprm, displaced);
+ check_unsafe_exec(bprm);
file = open_exec(filename);
retval = PTR_ERR(file);
diff --git a/fs/internal.h b/fs/internal.h
index 0d8ac497b3d5..53af885f1732 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -43,7 +43,7 @@ extern void __init chrdev_init(void);
/*
* exec.c
*/
-extern void check_unsafe_exec(struct linux_binprm *, struct files_struct *);
+extern void check_unsafe_exec(struct linux_binprm *);
/*
* namespace.c