Messages in this thread | | | Date | Wed, 20 Jun 2012 08:14:01 +0200 | From | Torsten Hilbrich <> | Subject | Re: Kernel 3.3.8 breaks accidental ext3 mount of extended partition |
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Am 19.06.2012 19:43, schrieb Jeff Moyer:
[...]
> diff --git a/fs/buffer.c b/fs/buffer.c > index 838a9cf..769b30b 100644 > --- a/fs/buffer.c > +++ b/fs/buffer.c > @@ -930,7 +930,7 @@ init_page_buffers(struct page *page, struct block_device *bdev, > bh->b_blocknr = block; > if (uptodate) > set_buffer_uptodate(bh); > - if (block < end_block) > + if (block <= end_block) > set_buffer_mapped(bh); > } > block++;
I can confirm that this patch fixes the problem for my test case too. Here is the kernel output when performing the mount operation:
attempt to access beyond end of device sda4: rw=0, want=4, limit=2 EXT3-fs (sda4): error: unable to read superblock
Torsten
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