Re: [LKP] Re: [pipe] d60337eff1: BUG:kernel_NULL_pointer_dereference,address
From: kernel test robot <hidden>
Date: 2019-11-18 07:53:36
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Hi David, Yes, it can fix the problem. Best Regards, Rong Chen On 11/16/2019 12:22 AM, David Howells wrote:
quoted hunk ↗ jump to hunk
Actually, no, this is the fix:diff --git a/lib/iov_iter.c b/lib/iov_iter.c index 7006b5b2106d..be2fc5793ddd 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c@@ -537,7 +537,7 @@ static size_t push_pipe(struct iov_iter *i, size_t size, buf->ops = &default_pipe_buf_ops; buf->page = page; buf->offset = 0; - buf->len = max_t(ssize_t, left, PAGE_SIZE); + buf->len = min_t(ssize_t, left, PAGE_SIZE); left -= buf->len; iter_head++; pipe->head = iter_head;David _______________________________________________ LKP mailing list -- lkp@lists.01.org To unsubscribe send an email to lkp-leave@lists.01.org