]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
exec: introduce exec_binprm() for "depth == 0" code
authorOleg Nesterov <oleg@redhat.com>
Wed, 11 Sep 2013 21:24:38 +0000 (14:24 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 11 Sep 2013 22:59:03 +0000 (15:59 -0700)
commit5d1baf3b63bfc8c709dc44df85ff1475c7ef489d
treec22cad96687d70a544674f7eb823026aecf4ceeb
parent96d0df79f2644fc823f26c06491e182d87a90c2a
exec: introduce exec_binprm() for "depth == 0" code

task_pid_nr_ns() and trace/ptrace code in the middle of the recursive
search_binary_handler() looks confusing and imho annoying.  We only need
this code if "depth == 0", lets add a simple helper which calls
search_binary_handler() and does trace_sched_process_exec() +
ptrace_event().

The patch also moves the setting of task->did_exec, we need to do this
only once.

Note: we can kill either task->did_exec or PF_FORKNOEXEC.

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>
fs/exec.c