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Subjectslab error in verify_redzone_free (2.6.27-rc5)
Sep  1 20:22:07 [kernel] [ 8541.403598] slab error in verify_redzone_free(): cache `ext3_inode_cache': memory outside object was overwritten
Sep 1 20:22:07 [kernel] [ 8541.403613] Pid: 206, comm: kswapd0 Not tainted 2.6.27-rc5 #362
Sep 1 20:22:07 [kernel] [ 8541.403620]
Sep 1 20:22:07 [kernel] [ 8541.403621] Call Trace:
Sep 1 20:22:07 [kernel] [ 8541.403635] [<ffffffff8028c034>] __slab_error+0x26/0x28
Sep 1 20:22:07 [kernel] [ 8541.403640] [<ffffffff8028c84d>] cache_free_debugcheck+0x13a/0x1fc
Sep 1 20:22:07 [kernel] [ 8541.403646] [<ffffffff802e966d>] ? ext3_destroy_inode+0x80/0x87
Sep 1 20:22:07 [kernel] [ 8541.403649] [<ffffffff8028cb53>] kmem_cache_free+0x4e/0xad
Sep 1 20:22:07 [kernel] [ 8541.403653] [<ffffffff802e966d>] ext3_destroy_inode+0x80/0x87
Sep 1 20:22:07 [kernel] [ 8541.403657] [<ffffffff802a45e5>] destroy_inode+0x37/0x4c
Sep 1 20:22:07 [kernel] [ 8541.403661] [<ffffffff802a4fdc>] dispose_list+0xcf/0x103
Sep 1 20:22:07 [kernel] [ 8541.403664] [<ffffffff802a51e6>] shrink_icache_memory+0x1d6/0x208
Sep 1 20:22:07 [kernel] [ 8541.403669] [<ffffffff802747ba>] shrink_slab+0xeb/0x181
Sep 1 20:22:07 [kernel] [ 8541.403673] [<ffffffff80274f60>] kswapd+0x317/0x4b4
Sep 1 20:22:07 [kernel] [ 8541.403677] [<ffffffff80273610>] ? isolate_pages_global+0x0/0x39
Sep 1 20:22:07 [kernel] [ 8541.403684] [<ffffffff80241394>] ? autoremove_wake_function+0x0/0x3d
Sep 1 20:22:07 [kernel] [ 8541.403688] [<ffffffff80274c49>] ? kswapd+0x0/0x4b4
Sep 1 20:22:07 [kernel] [ 8541.403692] [<ffffffff8024127f>] kthread+0x4e/0x7b
Sep 1 20:22:07 [kernel] [ 8541.403696] [<ffffffff8020c039>] child_rip+0xa/0x11
Sep 1 20:22:07 [kernel] [ 8541.403701] [<ffffffff80228a10>] ? finish_task_switch+0x5f/0xa5
Sep 1 20:22:07 [kernel] [ 8541.403705] [<ffffffff802289b1>] ? finish_task_switch+0x0/0xa5
Sep 1 20:22:07 [kernel] [ 8541.403708] [<ffffffff8020bb83>] ? restore_args+0x0/0x30
Sep 1 20:22:07 [kernel] [ 8541.403713] [<ffffffff80241231>] ? kthread+0x0/0x7b
Sep 1 20:22:07 [kernel] [ 8541.403716] [<ffffffff8020c02f>] ? child_rip+0x0/0x11
Sep 1 20:22:07 [kernel] [ 8541.403718]
Sep 1 20:22:07 [kernel] [ 8541.403721] ffff88000000f9d8: redzone 1:0xd84156c5635688c0, redzone 2:0x43220000ff3e0001.
Full log and .config is here: http://www.kadu.net/~joi/kernel/2008.09.03/
I don't remember what I was doing while this happened - I noticed this error today...

Marcin


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