From 796667c9dc94ef9431d4ac620021527b273080e1 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Tue, 9 Sep 2025 09:55:06 +0200 Subject: [PATCH] fs/proc/namespaces: make ns_entries const Global variables that are never modified should be "const" so so that they live in the .rodata section instead of the .data section of the kernel, gaining the protection of the kernel's strict memory permissions as described in Documentation/security/self-protection.rst Signed-off-by: Max Kellermann Signed-off-by: Christian Brauner --- fs/proc/namespaces.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c index 4403a2e20c165..ea2b597fd92cd 100644 --- a/fs/proc/namespaces.c +++ b/fs/proc/namespaces.c @@ -12,7 +12,7 @@ #include "internal.h" -static const struct proc_ns_operations *ns_entries[] = { +static const struct proc_ns_operations *const ns_entries[] = { #ifdef CONFIG_NET_NS &netns_operations, #endif @@ -117,7 +117,7 @@ static struct dentry *proc_ns_instantiate(struct dentry *dentry, static int proc_ns_dir_readdir(struct file *file, struct dir_context *ctx) { struct task_struct *task = get_proc_task(file_inode(file)); - const struct proc_ns_operations **entry, **last; + const struct proc_ns_operations *const *entry, *const *last; if (!task) return -ENOENT; @@ -151,7 +151,7 @@ static struct dentry *proc_ns_dir_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct task_struct *task = get_proc_task(dir); - const struct proc_ns_operations **entry, **last; + const struct proc_ns_operations *const *entry, *const *last; unsigned int len = dentry->d_name.len; struct dentry *res = ERR_PTR(-ENOENT); -- 2.47.3