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[PATCH] proc_loginuid_write() uses simple_strtoul() on non-terminated array

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2006-05-18 08:28:02 -04:00
parent ac03221a4f
commit e018290929
1 changed files with 3 additions and 2 deletions
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5
fs/proc/base.c
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@ -1019,8 +1019,8 @@ static ssize_t proc_loginuid_write(struct file * file, const char __user * buf,
if (current != task)
return -EPERM;
if (count > PAGE_SIZE)
count = PAGE_SIZE;
if (count >= PAGE_SIZE)
count = PAGE_SIZE - 1;
if (*ppos != 0) {
/* No partial writes. */
@ -1033,6 +1033,7 @@ static ssize_t proc_loginuid_write(struct file * file, const char __user * buf,
if (copy_from_user(page, buf, count))
goto out_free_page;
page[count] = '\0';
loginuid = simple_strtoul(page, &tmp, 10);
if (tmp == page) {
length = -EINVAL;