exec: Limit arg stack to at most 75% of _STK_LIM

Browse source

To avoid pathological stack usage or the need to special-case setuid
execs, just limit all arg stack usage to at most 75% of _STK_LIM (6MB).

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

...

This commit is contained in:

Kees Cook 2017-07-07 11:57:29 -07:00 • committed by Linus Torvalds

parent 088737f44b

commit da029c11e6

1 changed files with 6 additions and 5 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

11

fs/exec.c

View file