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proc: make oom adjustment files user read-only

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Make oom_adj and oom_score_adj user read-only.

Bug: 19636629
Change-Id: I055bb172d5b4d3d856e25918f3c5de8edf31e4a3
Signed-off-by: Rom Lemarchand <romlem@google.com>
This commit is contained in:
Rom Lemarchand 2015-03-07 09:38:05 -08:00 • committed by John Stultz
parent 9d19f72b43
commit 55541f1ac3
1 changed files with 5 additions and 4 deletions
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9
fs/proc/base.c
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@ -2793,8 +2793,9 @@ static const struct pid_entry tgid_base_stuff[] = {
ONE("cgroup", S_IRUGO, proc_cgroup_show),
#endif
ONE("oom_score", S_IRUGO, proc_oom_score),
REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
INF("oom_score", S_IRUGO, proc_oom_score),
REG("oom_adj", S_IRUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUSR, proc_oom_score_adj_operations),
#ifdef CONFIG_AUDITSYSCALL
REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations),
REG("sessionid", S_IRUGO, proc_sessionid_operations),
@ -3141,8 +3142,8 @@ static const struct pid_entry tid_base_stuff[] = {
ONE("cgroup", S_IRUGO, proc_cgroup_show),
#endif
ONE("oom_score", S_IRUGO, proc_oom_score),
REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
REG("oom_adj", S_IRUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUSR, proc_oom_score_adj_operations),
#ifdef CONFIG_AUDITSYSCALL
REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations),
REG("sessionid", S_IRUGO, proc_sessionid_operations),