Commit 9beb266f authored Sep 11, 2013 by Oleg Nesterov Committed by Linus Torvalds Sep 11, 2013

exec: proc_exec_connector() should be called only once



A separate one-liner with the minor fix.

PROC_EVENT_EXEC reports the "exec" event, but this message is sent at
least twice if search_binary_handler() is called by ->load_binary()
recursively, say, load_script().

Move it to exec_binprm(), this is "depth == 0" code too.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Zach Levis <zml@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 131b2f9f

fs/exec.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1404,7 +1404,6 @@ int search_binary_handler(struct linux_binprm *bprm)
		if (bprm->file)
		fput(bprm->file);
		bprm->file = NULL;
		proc_exec_connector(current);
		return retval;
		}
		read_lock(&binfmt_lock);
		@@ -1455,6 +1454,7 @@ static int exec_binprm(struct linux_binprm *bprm)
		trace_sched_process_exec(current, old_pid, bprm);
		ptrace_event(PTRACE_EVENT_EXEC, old_vpid);
		current->did_exec = 1;
		proc_exec_connector(current);
		}

		return ret;