On Tue, 29 May 2007, Pekka Enberg wrote: > Hi Tero, > > On 5/29/07, Tero Roponen <[email protected]> wrote: > > FYI, I just tested 2.6.21.3. I couldn't reproduce the problem with > > that kernel. > [snip] > > Warning: dev (tty4) tty->count(3) != #fd's(2) in release_dev > > release_dev: driver.table[3] not tty for (tty4) > > Presumably someone tries to close the file again which is why we get a > new complaint that reference counting has gone bad. > > Unfortunately, I have no idea why drivers->tty does not match. It > could be a race with release_tty() or real use-after-free but I am > unable to find anything obvious in 2.6.21 -> 2.6.22-rc3 that would > break it. Doing the git bisect dance here would really help... Hmmm, I just found something interesting. In 2.6.21.3 the /sbin/init gets corrupted when I watch the video! $ cp /sbin/init init.before $ mplayer kiwi.flv $ cp /sbin/init init.after The sha1sums are here: 52c8d643057619cbe137b8e69d4709ce3bdd832d init.after 8efc7864a5b535a9e336fa82e9d7f112f3d956c1 init.before It seems that something corrupts memory somewhere... I attached those files in case someone can figure out what is happening. _ Tero Roponen
Attachment:
init.before
Description: Binary data
Attachment:
init.after
Description: Binary data
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