Messages in this thread | | | Date | Sat, 30 Aug 2014 10:28:55 -0400 | From | Sasha Levin <> | Subject | Re: mm: kernel BUG at mm/rmap.c:530 |
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On 08/20/2014 10:02 AM, Kirill A. Shutemov wrote: > Sasha Levin wrote: >> > Hi all, >> > >> > While fuzzing with trinity inside a KVM tools guest running the latest -next >> > kernel, I've stumbled on the following spew: >> > >> > [ 2581.180086] kernel BUG at mm/rmap.c:530! > Page is mapped where it shouldn't be. Or vma/struct page/pgtable is corrupted. > Basically, I have no idea what happend :-P > > We really should dump page and vma info there. It's strange we don't have > dump_vma() helper yet. >
Okay, so the dump_vma() helper shows:
[ 736.842506] vma ffff8808436fdc00 start (null) end (null) [ 736.842506] next (null) prev (null) mm (null) [ 736.842506] prot 0 anon_vma (null) vm_ops (null) [ 736.842506] pgoff 0 file (null) private_data (null) [ 736.846670] flags: 0x0(
Thanks, Sasha
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