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Message-ID: <51E8D310.2050207@hitachi.com> Date: Fri, 19 Jul 2013 14:48:00 +0900 From: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@...achi.com> To: Amit Shah <amit.shah@...hat.com> Cc: linux-kernel@...r.kernel.org, Hidehiro Kawai <hidehiro.kawai.ez@...achi.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>, Arnd Bergmann <arnd@...db.de>, yrl.pp-manager.tt@...achi.com Subject: Re: Re: [PATCH 0/2] [BUGFIX] virtio/console: Fix two bugs of splice_write (2013/07/19 14:23), Amit Shah wrote: > 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@? Sure! I'll CC stable@ and virtualization@...ts.linux-foundation.org. Thanks! Yoshihiro YUNOMAE -- Yoshihiro YUNOMAE Software Platform Research Dept. Linux Technology Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: yoshihiro.yunomae.ez@...achi.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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