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Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull ITER_PIPE fix from Al Viro:
 "Fix for old sloppiness in pipe_buffer reuse"

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  lib/iov_iter: initialize "flags" in new pipe_buffer
This commit is contained in:
Linus Torvalds 2022-02-22 10:31:53 -08:00
commit 917bbdb107
1 changed files with 2 additions and 0 deletions

2
lib/iov_iter.c
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@ -414,6 +414,7 @@ static size_t copy_page_to_iter_pipe(struct page *page, size_t offset, size_t by
return 0;
buf->ops = &page_cache_pipe_buf_ops;
buf->flags = 0;
get_page(page);
buf->page = page;
buf->offset = offset;
@ -577,6 +578,7 @@ static size_t push_pipe(struct iov_iter *i, size_t size,
break;
buf->ops = &default_pipe_buf_ops;
buf->flags = 0;
buf->page = page;
buf->offset = 0;
buf->len = min_t(ssize_t, left, PAGE_SIZE);