On Mon, Oct 27, 2014 at 06:51:43PM +0000, Daniel Thompson wrote:
> Since commit cd678fce4280 ("switch logger to ->write_iter()"), any
> attempt to write to the log results in the log data being written over
> its own metadata, thus rendering the log unreadable.
>
> The problem was first detected when I ran an Android userspace on the
> v3.18-rc1 kernel. However the issue can also be observed with a
> non-Android userspace by using echo/cat to write to/from /dev/log_main .
>
> This patch resolves the problem by using a temporary to track the status
> of not-yet-committed writes to the log buffer.
>
> Signed-off-by: Daniel Thompson <[email protected]>
> Cc: Al Viro <[email protected]>
Applied
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
