diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/exec.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/fs/exec.c b/fs/exec.c index 2d1e52a58fe9..4d95b4709ea0 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1373,7 +1373,6 @@ int search_binary_handler(struct linux_binprm *bprm) unsigned int depth = bprm->recursion_depth; int try,retval; struct linux_binfmt *fmt; - pid_t old_pid, old_vpid; /* This allows 4 levels of binfmt rewrites before failing hard. */ if (depth > 5) @@ -1387,12 +1386,6 @@ int search_binary_handler(struct linux_binprm *bprm) if (retval) return retval; - /* Need to fetch pid before load_binary changes it */ - old_pid = current->pid; - rcu_read_lock(); - old_vpid = task_pid_nr_ns(current, task_active_pid_ns(current->parent)); - rcu_read_unlock(); - retval = -ENOENT; for (try=0; try<2; try++) { read_lock(&binfmt_lock); @@ -1407,16 +1400,11 @@ int search_binary_handler(struct linux_binprm *bprm) retval = fn(bprm); bprm->recursion_depth = depth; if (retval >= 0) { - if (depth == 0) { - trace_sched_process_exec(current, old_pid, bprm); - ptrace_event(PTRACE_EVENT_EXEC, old_vpid); - } put_binfmt(fmt); allow_write_access(bprm->file); if (bprm->file) fput(bprm->file); bprm->file = NULL; - current->did_exec = 1; proc_exec_connector(current); return retval; } @@ -1450,9 +1438,29 @@ int search_binary_handler(struct linux_binprm *bprm) } return retval; } - EXPORT_SYMBOL(search_binary_handler); +static int exec_binprm(struct linux_binprm *bprm) +{ + pid_t old_pid, old_vpid; + int ret; + + /* Need to fetch pid before load_binary changes it */ + old_pid = current->pid; + rcu_read_lock(); + old_vpid = task_pid_nr_ns(current, task_active_pid_ns(current->parent)); + rcu_read_unlock(); + + ret = search_binary_handler(bprm); + if (ret >= 0) { + trace_sched_process_exec(current, old_pid, bprm); + ptrace_event(PTRACE_EVENT_EXEC, old_vpid); + current->did_exec = 1; + } + + return ret; +} + /* * sys_execve() executes a new program. */ @@ -1541,7 +1549,7 @@ static int do_execve_common(const char *filename, if (retval < 0) goto out; - retval = search_binary_handler(bprm); + retval = exec_binprm(bprm); if (retval < 0) goto out; |