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-rw-r--r--security/selinux/hooks.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index afb18a9..2a8a0a9 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2333,13 +2333,15 @@ static void selinux_bprm_committing_creds(struct linux_binprm *bprm)
rc = avc_has_perm(new_tsec->osid, new_tsec->sid, SECCLASS_PROCESS,
PROCESS__RLIMITINH, NULL);
if (rc) {
+ /* protect against do_prlimit() */
+ task_lock(current);
for (i = 0; i < RLIM_NLIMITS; i++) {
rlim = current->signal->rlim + i;
initrlim = init_task.signal->rlim + i;
rlim->rlim_cur = min(rlim->rlim_max, initrlim->rlim_cur);
}
- update_rlimit_cpu(current,
- current->signal->rlim[RLIMIT_CPU].rlim_cur);
+ task_unlock(current);
+ update_rlimit_cpu(current, rlimit(RLIMIT_CPU));
}
}
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