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authorRichard Guy Briggs <rgb@redhat.com>2013-12-10 22:10:41 -0500
committerEric Paris <eparis@redhat.com>2014-03-20 10:11:55 -0400
commitc92cdeb45eea38515e82187f48c2e4f435fb4e25 (patch)
treef3eedc38f7e5b6012d053e6c05ad2df3975f4c08 /security/lsm_audit.c
parentad36d28293936b03d6b7996e9d6aadfd73c0eb08 (diff)
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audit: convert PPIDs to the inital PID namespace.
sys_getppid() returns the parent pid of the current process in its own pid namespace. Since audit filters are based in the init pid namespace, a process could avoid a filter or trigger an unintended one by being in an alternate pid namespace or log meaningless information. Switch to task_ppid_nr() for PPIDs to anchor all audit filters in the init_pid_ns. (informed by ebiederman's 6c621b7e) Cc: stable@vger.kernel.org Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Diffstat (limited to 'security/lsm_audit.c')
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