diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-04-13 13:02:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-04-13 13:02:49 -0700 |
| commit | dc0dfa73381bc8b2ebd298face5dbe7e240cd80c (patch) | |
| tree | 99718e7fb9d7920fe081b91a7d10fe3b909e99bc /kernel | |
| parent | fc825e513cd494cfcbeb47acf5738fe64f3a9051 (diff) | |
| parent | 935a04923ad293cd89bf6ec23fc4efc9cf1a0142 (diff) | |
Merge tag 'namespaces-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull namespace update from Christian Brauner:
"Add two simple helper macros for the namespace infrastructure"
* tag 'namespaces-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
nsproxy: Add FOR_EACH_NS_TYPE() X-macro and CLONE_NS_ALL
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/fork.c | 7 | ||||
| -rw-r--r-- | kernel/nsproxy.c | 13 |
2 files changed, 7 insertions, 13 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index bc2bf58b93b6..a4ec2d1e25ee 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -46,6 +46,7 @@ #include <linux/mm_inline.h> #include <linux/memblock.h> #include <linux/nsproxy.h> +#include <linux/ns/ns_common_types.h> #include <linux/capability.h> #include <linux/cpu.h> #include <linux/cgroup.h> @@ -3045,11 +3046,9 @@ void __init proc_caches_init(void) */ static int check_unshare_flags(unsigned long unshare_flags) { - if (unshare_flags & ~(CLONE_THREAD|CLONE_FS|CLONE_NEWNS|CLONE_SIGHAND| + if (unshare_flags & ~(CLONE_THREAD|CLONE_FS|CLONE_SIGHAND| CLONE_VM|CLONE_FILES|CLONE_SYSVSEM| - CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWNET| - CLONE_NEWUSER|CLONE_NEWPID|CLONE_NEWCGROUP| - CLONE_NEWTIME)) + CLONE_NS_ALL)) return -EINVAL; /* * Not implemented, but pretend it works if there is nothing diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c index 259c4b4f1eeb..63b44ee79847 100644 --- a/kernel/nsproxy.c +++ b/kernel/nsproxy.c @@ -12,6 +12,7 @@ #include <linux/slab.h> #include <linux/export.h> #include <linux/nsproxy.h> +#include <linux/ns/ns_common_types.h> #include <linux/init_task.h> #include <linux/mnt_namespace.h> #include <linux/utsname.h> @@ -170,9 +171,7 @@ int copy_namespaces(u64 flags, struct task_struct *tsk) struct user_namespace *user_ns = task_cred_xxx(tsk, user_ns); struct nsproxy *new_ns; - if (likely(!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC | - CLONE_NEWPID | CLONE_NEWNET | - CLONE_NEWCGROUP | CLONE_NEWTIME)))) { + if (likely(!(flags & (CLONE_NS_ALL & ~CLONE_NEWUSER)))) { if ((flags & CLONE_VM) || likely(old_ns->time_ns_for_children == old_ns->time_ns)) { get_nsproxy(old_ns); @@ -214,9 +213,7 @@ int unshare_nsproxy_namespaces(unsigned long unshare_flags, struct user_namespace *user_ns; int err = 0; - if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC | - CLONE_NEWNET | CLONE_NEWPID | CLONE_NEWCGROUP | - CLONE_NEWTIME))) + if (!(unshare_flags & (CLONE_NS_ALL & ~CLONE_NEWUSER))) return 0; user_ns = new_cred ? new_cred->user_ns : current_user_ns(); @@ -292,9 +289,7 @@ int exec_task_namespaces(void) static int check_setns_flags(unsigned long flags) { - if (!flags || (flags & ~(CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC | - CLONE_NEWNET | CLONE_NEWTIME | CLONE_NEWUSER | - CLONE_NEWPID | CLONE_NEWCGROUP))) + if (!flags || (flags & ~CLONE_NS_ALL)) return -EINVAL; #ifndef CONFIG_USER_NS |