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authorjc_gargma <jc_gargma@iserlohn-fortress.net>2021-11-19 09:04:51 -0800
committerjc_gargma <jc_gargma@iserlohn-fortress.net>2021-11-19 09:04:51 -0800
commit7f1d99472e5dd083d95ac10a815bca16216b1d2c (patch)
tree3a31c06f9a0a9c5037725d5a329518c667cf1914 /0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
parentUpdated to 5.12.2 (diff)
downloadlinux-7f1d99472e5dd083d95ac10a815bca16216b1d2c.tar.xz
Updated to 5.15.3
Diffstat (limited to '0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch')
-rw-r--r--0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch35
1 files changed, 18 insertions, 17 deletions
diff --git a/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch b/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
index 48371cd..9c90773 100644
--- a/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
+++ b/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
@@ -1,7 +1,8 @@
-From 048c6dda33c592ef025b372311eede5e05ef9cb7 Mon Sep 17 00:00:00 2001
+From 47d2645e7e3964621caea15feae6b806bd63ad92 Mon Sep 17 00:00:00 2001
From: "Jan Alexander Steffens (heftig)" <jan.steffens@gmail.com>
Date: Mon, 16 Sep 2019 04:53:20 +0200
-Subject: ZEN: Add sysctl and CONFIG to disallow unprivileged CLONE_NEWUSER
+Subject: [PATCH 1/8] ZEN: Add sysctl and CONFIG to disallow unprivileged
+ CLONE_NEWUSER
Our default behavior continues to match the vanilla kernel.
---
@@ -13,10 +14,10 @@ Our default behavior continues to match the vanilla kernel.
5 files changed, 53 insertions(+)
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
-index 6ef1c7109fc4..2140091b0b8d 100644
+index 33a4240e6a6f..82213f9c4c17 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
-@@ -106,6 +106,8 @@ void dec_ucount(struct ucounts *ucounts, enum ucount_type type);
+@@ -139,6 +139,8 @@ static inline void set_rlimit_ucount_max(struct user_namespace *ns,
#ifdef CONFIG_USER_NS
@@ -25,7 +26,7 @@ index 6ef1c7109fc4..2140091b0b8d 100644
static inline struct user_namespace *get_user_ns(struct user_namespace *ns)
{
if (ns)
-@@ -139,6 +141,8 @@ extern bool current_in_userns(const struct user_namespace *target_ns);
+@@ -172,6 +174,8 @@ extern bool current_in_userns(const struct user_namespace *target_ns);
struct ns_common *ns_get_owner(struct ns_common *ns);
#else
@@ -35,10 +36,10 @@ index 6ef1c7109fc4..2140091b0b8d 100644
{
return &init_user_ns;
diff --git a/init/Kconfig b/init/Kconfig
-index 0872a5a2e759..a40d8afeb1bb 100644
+index 11f8a845f259..02b7a0e455a5 100644
--- a/init/Kconfig
+++ b/init/Kconfig
-@@ -1173,6 +1173,22 @@ config USER_NS
+@@ -1226,6 +1226,22 @@ config USER_NS
If unsure, say N.
@@ -62,12 +63,12 @@ index 0872a5a2e759..a40d8afeb1bb 100644
bool "PID Namespaces"
default y
diff --git a/kernel/fork.c b/kernel/fork.c
-index 6d266388d380..635146a691c1 100644
+index 10885c649ca4..e0fe98e1afbd 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
-@@ -97,6 +97,10 @@
- #include <linux/scs.h>
+@@ -98,6 +98,10 @@
#include <linux/io_uring.h>
+ #include <linux/bpf.h>
+#ifdef CONFIG_USER_NS
+#include <linux/user_namespace.h>
@@ -76,7 +77,7 @@ index 6d266388d380..635146a691c1 100644
#include <asm/pgalloc.h>
#include <linux/uaccess.h>
#include <asm/mmu_context.h>
-@@ -1862,6 +1866,10 @@ static __latent_entropy struct task_struct *copy_process(
+@@ -1950,6 +1954,10 @@ static __latent_entropy struct task_struct *copy_process(
if ((clone_flags & (CLONE_NEWUSER|CLONE_FS)) == (CLONE_NEWUSER|CLONE_FS))
return ERR_PTR(-EINVAL);
@@ -87,7 +88,7 @@ index 6d266388d380..635146a691c1 100644
/*
* Thread groups must share signals as well, and detached threads
* can only be started up within the thread group.
-@@ -2927,6 +2935,12 @@ int ksys_unshare(unsigned long unshare_flags)
+@@ -3056,6 +3064,12 @@ int ksys_unshare(unsigned long unshare_flags)
if (unshare_flags & CLONE_NEWNS)
unshare_flags |= CLONE_FS;
@@ -101,10 +102,10 @@ index 6d266388d380..635146a691c1 100644
if (err)
goto bad_unshare_out;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
-index afad085960b8..a94828fb31c2 100644
+index 083be6af29d7..42aa3c7835b9 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
-@@ -103,6 +103,9 @@
+@@ -105,6 +105,9 @@
#ifdef CONFIG_LOCKUP_DETECTOR
#include <linux/nmi.h>
#endif
@@ -114,7 +115,7 @@ index afad085960b8..a94828fb31c2 100644
#if defined(CONFIG_SYSCTL)
-@@ -1902,6 +1905,15 @@ static struct ctl_table kern_table[] = {
+@@ -1949,6 +1952,15 @@ static struct ctl_table kern_table[] = {
.proc_handler = proc_dointvec,
},
#endif
@@ -131,7 +132,7 @@ index afad085960b8..a94828fb31c2 100644
{
.procname = "tainted",
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
-index e703d5d9cbe8..5758274feaee 100644
+index 6b2e3ca7ee99..0253002184f1 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -21,6 +21,13 @@
@@ -149,5 +150,5 @@ index e703d5d9cbe8..5758274feaee 100644
static DEFINE_MUTEX(userns_state_mutex);
--
-cgit v1.2.3-1-gf6bb5
+2.33.1