diff options
| author | Oleg Nesterov <[email protected]> | 2006-10-02 02:18:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2006-10-02 07:57:25 -0700 |
| commit | 1a657f78dcc8ea7c53eaa1f2a45ea2315738c15f (patch) | |
| tree | a19972027792082fed505c8d540f7d877e37c0ab /arch/mips/sgi-ip22/ip22-reset.c | |
| parent | 1c0d04c9e44f4a248335c33d2be7c7f7b06ff359 (diff) | |
[PATCH] introduce get_task_pid() to fix unsafe get_pid()
proc_pid_make_inode:
ei->pid = get_pid(task_pid(task));
I think this is not safe. get_pid() can be preempted after checking "pid
!= NULL". Then the task exits, does detach_pid(), and RCU frees the pid.
Signed-off-by: Oleg Nesterov <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'arch/mips/sgi-ip22/ip22-reset.c')
0 files changed, 0 insertions, 0 deletions