The patch titled
Subject: sysctl-handle-overflow-for-file-max-v4
has been added to the -mm tree. Its filename is
sysctl-handle-overflow-for-file-max-v4.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/sysctl-handle-overflow-for-file-max-v4.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/sysctl-handle-overflow-for-file-max-v4.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Christian Brauner <christian@xxxxxxxxxx>
Subject: sysctl-handle-overflow-for-file-max-v4
Link: http://lkml.kernel.org/r/20190210203943.8227-3-christian@xxxxxxxxxx
Cc: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Christian Brauner <christian@xxxxxxxxxx>
Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Cc: Joe Lawrence <joe.lawrence@xxxxxxxxxx>
Cc: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Cc: Waiman Long <longman@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sysctl.c | 4 ----
1 file changed, 4 deletions(-)
--- a/kernel/sysctl.c~sysctl-handle-overflow-for-file-max-v4
+++ a/kernel/sysctl.c
@@ -2847,10 +2847,6 @@ static int __do_proc_doulongvec_minmax(v
break;
if (neg)
continue;
- if ((max && val > *max) || (min && val < *min)) {
- err = -EINVAL;
- break;
- }
val = convmul * val / convdiv;
if ((min && val < *min) || (max && val > *max))
continue;
_
Patches currently in -mm which might be from christian@xxxxxxxxxx are
sysctl-handle-overflow-in-proc_get_long.patch
sysctl-handle-overflow-for-file-max.patch
sysctl-handle-overflow-for-file-max-v4.patch
