diff options
Diffstat (limited to '0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch')
| -rw-r--r-- | 0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch b/0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch index c3364a49db0e..e57df3b15ce6 100644 --- a/0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch +++ b/0001-add-sysctl-to-disallow-unprivileged-CLONE_NEWUSER-by.patch @@ -1,9 +1,7 @@ -From 0b716bdb952b678d9bb5eb32198dbc82ec492df2 Mon Sep 17 00:00:00 2001 -Message-Id: <0b716bdb952b678d9bb5eb32198dbc82ec492df2.1515173964.git.jan.steffens@gmail.com> +From 1a47eb71988a919e811ce558f6f58855155c6218 Mon Sep 17 00:00:00 2001 From: Serge Hallyn <serge.hallyn@canonical.com> Date: Fri, 31 May 2013 19:12:12 +0100 -Subject: [PATCH 1/6] add sysctl to disallow unprivileged CLONE_NEWUSER by - default +Subject: [PATCH] add sysctl to disallow unprivileged CLONE_NEWUSER by default Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com> [bwh: Remove unneeded binary sysctl bits] @@ -15,10 +13,10 @@ Signed-off-by: Daniel Micay <danielmicay@gmail.com> 3 files changed, 30 insertions(+) diff --git a/kernel/fork.c b/kernel/fork.c -index 500ce64517d93e68..35f5860958b40e9b 100644 +index 8ed48ca2cc43..e02823819ab7 100644 --- a/kernel/fork.c +++ b/kernel/fork.c -@@ -102,6 +102,11 @@ +@@ -103,6 +103,11 @@ #define CREATE_TRACE_POINTS #include <trace/events/task.h> @@ -30,7 +28,7 @@ index 500ce64517d93e68..35f5860958b40e9b 100644 /* * Minimum number of threads to boot the kernel -@@ -1554,6 +1559,10 @@ static __latent_entropy struct task_struct *copy_process( +@@ -1625,6 +1630,10 @@ static __latent_entropy struct task_struct *copy_process( if ((clone_flags & (CLONE_NEWUSER|CLONE_FS)) == (CLONE_NEWUSER|CLONE_FS)) return ERR_PTR(-EINVAL); @@ -41,7 +39,7 @@ index 500ce64517d93e68..35f5860958b40e9b 100644 /* * Thread groups must share signals as well, and detached threads * can only be started up within the thread group. -@@ -2347,6 +2356,12 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags) +@@ -2421,6 +2430,12 @@ int ksys_unshare(unsigned long unshare_flags) if (unshare_flags & CLONE_NEWNS) unshare_flags |= CLONE_FS; @@ -55,7 +53,7 @@ index 500ce64517d93e68..35f5860958b40e9b 100644 if (err) goto bad_unshare_out; diff --git a/kernel/sysctl.c b/kernel/sysctl.c -index 56aca862c4f584f5..e8402ba393c1915d 100644 +index 2d9837c0aff4..eb5236c069fc 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -105,6 +105,9 @@ extern int core_uses_pid; @@ -68,7 +66,7 @@ index 56aca862c4f584f5..e8402ba393c1915d 100644 extern int pid_max; extern int pid_max_min, pid_max_max; extern int percpu_pagelist_fraction; -@@ -513,6 +516,15 @@ static struct ctl_table kern_table[] = { +@@ -519,6 +522,15 @@ static struct ctl_table kern_table[] = { .proc_handler = proc_dointvec, }, #endif @@ -85,12 +83,12 @@ index 56aca862c4f584f5..e8402ba393c1915d 100644 { .procname = "tainted", diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c -index c490f1e4313b998a..dd03bd39d7bf194d 100644 +index e5222b5fb4fe..c941a66e51d1 100644 --- a/kernel/user_namespace.c +++ b/kernel/user_namespace.c -@@ -24,6 +24,9 @@ - #include <linux/projid.h> - #include <linux/fs_struct.h> +@@ -26,6 +26,9 @@ + #include <linux/bsearch.h> + #include <linux/sort.h> +/* sysctl */ +int unprivileged_userns_clone; @@ -99,5 +97,5 @@ index c490f1e4313b998a..dd03bd39d7bf194d 100644 static DEFINE_MUTEX(userns_state_mutex); -- -2.15.1 +2.19.0 |