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Message-ID: <alpine.LFD.2.00.1006062036240.3515@i5.linux-foundation.org> Date: Sun, 6 Jun 2010 20:38:17 -0700 (PDT) From: Linus Torvalds <torvalds@...ux-foundation.org> To: Markus Trippelsdorf <markus@...ppelsdorf.de> cc: Theodore Tso <tytso@....EDU>, linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org Subject: Re: ext4 2.6.35-rc2 regression (ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files) On Sun, 6 Jun 2010, Markus Trippelsdorf wrote: > On Sun, Jun 06, 2010 at 01:59:47PM +0200, Markus Trippelsdorf wrote: > > On Sun, Jun 06, 2010 at 07:45:48AM -0400, Theodore Tso wrote: > > > > > > On Jun 6, 2010, at 4:16 AM, Markus Trippelsdorf wrote: > > > > > > > Commit 1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72 > > > > "ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files" > > > > causes the following kernel BUG on my machine (x86_64): > > > > > > > > BUG: Bad page map in process mpd pte:720072000000000 pmd:11d2f7067 This is the same "VGA pattern": 07200720 is two spaces. It causes lots of trouble, too bad it made it into -rc2. It has nothing to do with ext4. And I bet it gets fix by the same vt.c patch that apparently fixed some KMS issues. Look on lkml for a "poison overwritten" subject line. Or just revert 962400e8fd29981a7b166e463dd143b6ac6a3e76. Linus -- 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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