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authorKees Cook <keescook@chromium.org>2017-07-07 21:57:29 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-08 06:05:08 +0300
commitda029c11e6b12f321f36dac8771e833b65cec962 (patch)
tree0ba6e0c9338f1b3de6498793ecff2643c4fd289c /lib/iov_iter.c
parent088737f44bbf6378745f5b57b035e57ee3dc4750 (diff)
downloadlinux-da029c11e6b12f321f36dac8771e833b65cec962.tar.xz
exec: Limit arg stack to at most 75% of _STK_LIM
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>
Diffstat (limited to 'lib/iov_iter.c')
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