From: Adrian Hunter <adrian.hunter@intel.com>
To: "Prins Anton (ST-CO/ENG1.1)" <Anton.Prins@nl.bosch.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
"Mats Kärrman" <Mats.Karrman@tritech.se>,
"dedekind1@gmail.com" <dedekind1@gmail.com>
Subject: Re: UBIFS failure & stable page writes
Date: Tue, 18 Jun 2013 10:01:12 +0300 [thread overview]
Message-ID: <51C005B8.3000709@intel.com> (raw)
In-Reply-To: <85D877DD6EE67B4A9FCA9B9C3A4865670C3F4167DD@SI-MBX14.de.bosch.com>
On 18/06/13 09:31, Prins Anton (ST-CO/ENG1.1) wrote:
> Last night I did do additional tests with create/remove of files in a
> while loop on a synchronous mounted UBIFS. I did NOT get any node 0 or 1
> written over this night, but obvious enough I saw some strange node id in
> the orphan area: 0xdead4ead
>
> 0xdead4ead Is known to me as SPINLOCK_MAGIC; but no glue why It is in the
> orphan area if node number... Is something known about 0xdead4ead?
I am afraid I have not had time to analyze the effects of the double-free
but it is reasonable to assume that UBIFS may be writing an orphan from a
structure that has been freed and therefore re-used by, for example in this
case, a spinlock.
next prev parent reply other threads:[~2013-06-18 6:56 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <85D877DD6EE67B4A9FCA9B9C3A4865670C3E8CB9B7@SI-MBX14.de.bosch.com>
[not found] ` <4BE1E71893EF1E4F9E9DD99FB4EBF0032C02EA2D44@SI-MBX02.de.bosch.com>
[not found] ` <85D877DD6EE67B4A9FCA9B9C3A4865670C3E8CBA85@SI-MBX14.de.bosch.com>
2013-05-27 12:18 ` UBIFS failure & stable page writes Jan Kara
2013-05-27 13:13 ` Prins Anton (ST-CO/ENG1.1)
2013-05-28 2:57 ` Artem Bityutskiy
2013-05-28 7:07 ` Prins Anton (ST-CO/ENG1.1)
2013-05-28 7:44 ` Artem Bityutskiy
2013-05-28 8:18 ` Prins Anton (ST-CO/ENG1.1)
2013-05-28 9:11 ` Artem Bityutskiy
2013-05-28 11:13 ` Prins Anton (ST-CO/ENG1.1)
2013-05-29 6:49 ` Artem Bityutskiy
2013-05-29 11:06 ` Prins Anton (ST-CO/ENG1.1)
2013-05-31 9:51 ` Prins Anton (ST-CO/ENG1.1)
2013-06-03 6:01 ` Artem Bityutskiy
2013-06-11 12:16 ` Prins Anton (ST-CO/ENG1.1)
2013-06-12 7:58 ` Adrian Hunter
2013-06-12 8:28 ` Prins Anton (ST-CO/ENG1.1)
2013-06-12 11:40 ` Adrian Hunter
2013-06-12 11:13 ` Prins Anton (ST-CO/ENG1.1)
2013-06-12 12:00 ` Adrian Hunter
2013-06-12 11:57 ` Prins Anton (ST-CO/ENG1.1)
2013-06-12 13:09 ` Adrian Hunter
2013-06-12 13:57 ` Prins Anton (ST-CO/ENG1.1)
2013-06-13 10:54 ` Mats Kärrman
2013-06-13 13:31 ` Prins Anton (ST-CO/ENG1.1)
2013-06-13 13:41 ` Adrian Hunter
2013-06-13 14:02 ` Prins Anton (ST-CO/ENG1.1)
2013-06-15 22:25 ` Mats Kärrman
2013-06-13 19:24 ` Prins Anton (ST-CO/ENG1.1)
2013-06-15 22:45 ` Mats Kärrman
2013-06-17 11:20 ` Prins Anton (ST-CO/ENG1.1)
2013-06-18 6:31 ` Prins Anton (ST-CO/ENG1.1)
2013-06-18 7:01 ` Adrian Hunter [this message]
2013-06-18 7:17 ` Prins Anton (ST-CO/ENG1.1)
2013-06-25 8:21 ` Prins Anton (ST-CO/ENG1.1)
2013-06-28 9:05 ` Mats Kärrman
2013-06-28 9:27 ` Prins Anton (ST-CO/ENG1.1)
2013-07-25 13:18 ` Prins Anton (ST-CO/ENG1.1)
2013-06-12 7:12 ` Prins Anton (ST-CO/ENG1.1)
2013-05-28 13:00 ` Prins Anton (ST-CO/ENG1.1)
2013-06-13 7:41 ` Adrian Hunter
2013-05-28 8:15 ` Prins Anton (ST-CO/ENG1.1)
2013-05-28 9:09 ` Artem Bityutskiy
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