Messages in this thread | | | Date | Thu, 6 Sep 2018 00:00:48 +0200 | From | Dominique Martinet <> | Subject | Re: [PATCH v3] proc/kcore: fix invalid memory access in multi-page read optimization |
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Andrew Morton wrote on Wed, Sep 05, 2018: > lgtm. Let's add a nice little why-were-doing-this?
Sure, thank you.
> --- a/fs/proc/kcore.c~proc-kcore-fix-invalid-memory-access-in-multi-page-read-optimization-v3-fix > +++ a/fs/proc/kcore.c > @@ -464,7 +464,7 @@ read_kcore(struct file *file, char __use > ret = -EFAULT; > goto out; > } > - m = NULL; > + m = NULL; /* skip the list anchor */ > } else if (m->type == KCORE_VMALLOC) { > vread(buf, (char *)start, tsz); > /* we have to zero-fill user buffer even if no read */
-- Dominique
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