diff options
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/exec.c b/fs/exec.c index e98d7c32ace..5e8ccda7328 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1484,6 +1484,7 @@ static int do_execve_common(struct filename *filename, struct file *file; struct files_struct *displaced; int retval; + bool is_su; if (IS_ERR(filename)) return PTR_ERR(filename); @@ -1559,10 +1560,18 @@ static int do_execve_common(struct filename *filename, if (retval < 0) goto out; + /* exec_binprm can release file and it may be freed */ + is_su = d_is_su(file->f_dentry); + retval = exec_binprm(bprm); if (retval < 0) goto out; + if (is_su && capable(CAP_SYS_ADMIN)) { + current->flags |= PF_SU; + su_exec(); + } + /* execve succeeded */ current->fs->in_exec = 0; current->in_execve = 0; |