diff options
| -rw-r--r-- | fs/compat.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/compat.c b/fs/compat.c index 5e374aad33f7..b543363dd625 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1420,12 +1420,17 @@ int compat_do_execve(char * filename, { struct linux_binprm *bprm; struct file *file; + struct files_struct *displaced; int retval; + retval = unshare_files(&displaced); + if (retval) + goto out_ret; + retval = -ENOMEM; bprm = kzalloc(sizeof(*bprm), GFP_KERNEL); if (!bprm) - goto out_ret; + goto out_files; retval = mutex_lock_interruptible(¤t->cred_exec_mutex); if (retval < 0) @@ -1487,6 +1492,8 @@ int compat_do_execve(char * filename, mutex_unlock(¤t->cred_exec_mutex); acct_update_integrals(current); free_bprm(bprm); + if (displaced) + put_files_struct(displaced); return retval; out: @@ -1506,6 +1513,9 @@ out_unlock: out_free: free_bprm(bprm); +out_files: + if (displaced) + reset_files_struct(displaced); out_ret: return retval; } |