diff options
Diffstat (limited to 'fs/proc/self.c')
| -rw-r--r-- | fs/proc/self.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/proc/self.c b/fs/proc/self.c index 31326bb23b8b..4d7d061696b3 100644 --- a/fs/proc/self.c +++ b/fs/proc/self.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include <linux/cache.h> #include <linux/sched.h> #include <linux/slab.h> #include <linux/pid_namespace.h> @@ -17,11 +18,11 @@ static const char *proc_self_get_link(struct dentry *dentry, if (!tgid) return ERR_PTR(-ENOENT); - /* 11 for max length of signed int in decimal + NULL term */ - name = kmalloc(12, dentry ? GFP_KERNEL : GFP_ATOMIC); + /* max length of unsigned int in decimal + NULL term */ + name = kmalloc(10 + 1, dentry ? GFP_KERNEL : GFP_ATOMIC); if (unlikely(!name)) return dentry ? ERR_PTR(-ENOMEM) : ERR_PTR(-ECHILD); - sprintf(name, "%d", tgid); + sprintf(name, "%u", tgid); set_delayed_call(done, kfree_link, name); return name; } @@ -30,7 +31,7 @@ static const struct inode_operations proc_self_inode_operations = { .get_link = proc_self_get_link, }; -static unsigned self_inum; +static unsigned self_inum __ro_after_init; int proc_setup_self(struct super_block *s) { |