[haiku-bugs] Re: [Haiku] #9528: stop_watching() KDLs on page fault, monitoring a CDDA

  • From: "ttcoder" <trac@xxxxxxxxxxxx>
  • Date: Tue, 15 Apr 2014 18:30:32 -0000

#9528: stop_watching() KDLs on page fault, monitoring a CDDA
-----------------------------+----------------------------
   Reporter:  ttcoder        |      Owner:  axeld
       Type:  bug            |     Status:  new
   Priority:  normal         |  Milestone:  R1
  Component:  System/Kernel  |    Version:  R1/Development
 Resolution:                 |   Keywords:
 Blocked By:                 |   Blocking:
Has a Patch:  0              |   Platform:  All
-----------------------------+----------------------------

Comment (by ttcoder):

 The above comes from R. who has a knack for triggering this KDL with just
 a snap of fingers :-)

 Gotta crosspost this to #10259 since I've realized the following:
 - the four-bytes faulty addresses in the above KDLs correspond to ascii
 strings `lect` and `ric `, respectively. Could be legit on its face...
 Except that..:
 - reading the track list of the concerned CD that R. shared with me,
 there's a match in both cases for track number 15, whose title is `Are
 Friends Electric`

 I'm going to (try to make time to) scan the cdda source code with that in
 mind, and make custom builds of it with lots of features disabled
 (especially features related to track listing and titles), until we find
 the one memory-corrupting feature. I'm a out of my pool depth but could
 get lucky..

--
Ticket URL: <https://dev.haiku-os.org/ticket/9528#comment:5>
Haiku <https://dev.haiku-os.org>
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