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SubjectRe: [PATCH] sysctl: Check length at deprecated_sysctl_warning.

Andrew Morton wrote:
> I believe (args->nlen > CTL_MAXNAME) was correct.
I'll leave it to you.
But if you want to allow args->nlen == CTL_MAXNAME,
you also need to update do_sysctl().

int do_sysctl(int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp,
void __user *newval, size_t newlen)
if (nlen <= 0 || nlen >= CTL_MAXNAME)
return -ENOTDIR;

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