Messages in this thread | | | Date | Tue, 27 Oct 2015 18:06:50 +0200 | From | Aaro Koskinen <> | Subject | Re: 4.3-rc7: kmemleak BUG: Redzone overwritten |
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Hi,
On Tue, Oct 27, 2015 at 05:56:11PM +0200, Andy Shevchenko wrote: > On Tue, 2015-10-27 at 17:46 +0200, Aaro Koskinen wrote: > > With 4.3-rc7 and slub_debug=FZUP, I get the below when reading > > /sys/kernel/debug/kmemleak with a large number of reported entries. > > It's pretty repeatable. HW is MIPS64. > > > > With the SLUB debugging disabled, box crashes randomly in > > kmem_cache_free > > or kmem_cache_alloc when the kmemleak file is read on a running > > system. > > > > Seems to start with 6fc37c490076 ("kmemleak: use seq_hex_dump() to > > dump buffers"). > > So, you mean reverting it does help?
Yes.
> Btw, we have kmemleak test suite. Any suggestion how can it be > reproducible with it?
Maybe a add test for big number of objects? In this case there are 3072 reported objects.
A.
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