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authorNeil Horman <nhorman@tuxdriver.com>2010-05-26 14:42:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-27 09:12:44 -0700
commit898b374af6f71041bd3bceebe257e564f3f1d458 (patch)
treeb1be6fd3cca69becfc75787eab906338f363d3cd /security
parentkmod: add init function to usermodehelper (diff)
downloadlinux-dev-898b374af6f71041bd3bceebe257e564f3f1d458.tar.xz
linux-dev-898b374af6f71041bd3bceebe257e564f3f1d458.zip
exec: replace call_usermodehelper_pipe with use of umh init function and resolve limit
The first patch in this series introduced an init function to the call_usermodehelper api so that processes could be customized by caller. This patch takes advantage of that fact, by customizing the helper in do_coredump to create the pipe and set its core limit to one (for our recusrsion check). This lets us clean up the previous uglyness in the usermodehelper internals and factor call_usermodehelper out entirely. While I'm at it, we can also modify the helper setup to look for a core limit value of 1 rather than zero for our recursion check Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'security')
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