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linux/fs/f2fs/node.c
Pan Bian 358101ff5c f2fs: read page index before freeing 
commit 0ea295dd85 upstream.

The function truncate_node frees the page with f2fs_put_page. However,
the page index is read after that. So, the patch reads the index before
freeing the page.

Fixes: bf39c00a9a ("f2fs: drop obsolete node page when it is truncated")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
2019-04-04 16:13:44 +01:00

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