diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/exec.c | 5 | ||||
| -rw-r--r-- | fs/namei.c | 1 | ||||
| -rw-r--r-- | fs/proc/base.c | 14 |
3 files changed, 12 insertions, 8 deletions
diff --git a/fs/exec.c b/fs/exec.c index 977319fd77f3..7ea097f6b341 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1380,10 +1380,6 @@ int search_binary_handler(struct linux_binprm *bprm) if (retval) return retval; - retval = audit_bprm(bprm); - if (retval) - return retval; - retval = -ENOENT; retry: read_lock(&binfmt_lock); @@ -1431,6 +1427,7 @@ static int exec_binprm(struct linux_binprm *bprm) ret = search_binary_handler(bprm); if (ret >= 0) { + audit_bprm(bprm); trace_sched_process_exec(current, old_pid, bprm); ptrace_event(PTRACE_EVENT_EXEC, old_vpid); current->did_exec = 1; diff --git a/fs/namei.c b/fs/namei.c index e029a4cbff7d..8f77a8cea289 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2435,6 +2435,7 @@ static int may_delete(struct inode *dir, struct dentry *victim, bool isdir) */ static inline int may_create(struct inode *dir, struct dentry *child) { + audit_inode_child(dir, child, AUDIT_TYPE_CHILD_CREATE); if (child->d_inode) return -EEXIST; if (IS_DEADDIR(dir)) diff --git a/fs/proc/base.c b/fs/proc/base.c index 1485e38daaa3..03c8d747be48 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1151,10 +1151,16 @@ static ssize_t proc_loginuid_write(struct file * file, const char __user * buf, goto out_free_page; } - kloginuid = make_kuid(file->f_cred->user_ns, loginuid); - if (!uid_valid(kloginuid)) { - length = -EINVAL; - goto out_free_page; + + /* is userspace tring to explicitly UNSET the loginuid? */ + if (loginuid == AUDIT_UID_UNSET) { + kloginuid = INVALID_UID; + } else { + kloginuid = make_kuid(file->f_cred->user_ns, loginuid); + if (!uid_valid(kloginuid)) { + length = -EINVAL; + goto out_free_page; + } } length = audit_set_loginuid(kloginuid); |