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From: Catherine Zhang <cxzhang@watson.ibm.com> This patch implements a cleaner fix for the memory leak problem of the original unix datagram getpeersec patch. Instead of creating a security context each time a unix datagram is sent, we only create the security context when the receiver requests it. This new design requires modification of the current unix_getsecpeer_dgram LSM hook and addition of two new hooks, namely, secid_to_secctx and release_secctx. The former retrieves the security context and the latter releases it. A hook is required for releasing the security context because it is up to the security module to decide how that's done. In the case of Selinux, it's a simple kfree operation. Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| include | ||
| ss | ||
| avc.c | ||
| exports.c | ||
| hooks.c | ||
| Kconfig | ||
| Makefile | ||
| netif.c | ||
| netlink.c | ||
| nlmsgtab.c | ||
| selinuxfs.c | ||
| xfrm.c | ||