Re: [PATCH 0/2] [BUGFIX] virtio/console: Fix two bugs of splice_write

From: Amit Shah
Date: Fri Jul 19 2013 - 01:24:16 EST


On (Fri) 19 Jul 2013 [08:19:27], Yoshihiro YUNOMAE wrote:
> Hi,
>
> This patch set fixes two bugs of splice_write in the virtio-console driver.
>
> [BUG1] Although pipe->nrbufs is empty, the driver tries to do splice_write.
> => This induces oops in sg_init_table().
>
> [BUG2] No lock for competition of splice_write.
> => This induces oops in splice_from_pipe_feed() by bug of any user
> application.

Spotted a bug in the 2nd patch. Do you want to also CC these to stable@?

Amit
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