Messages in this thread | | | Date | Tue, 18 Jun 2019 19:48:21 +0100 | From | Al Viro <> | Subject | Re: d_lookup: Unable to handle kernel paging request |
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On Tue, Jun 18, 2019 at 07:35:48PM +0100, Al Viro wrote:
> So far it looks like something is buggering a forward reference > in hash chain in a fairly specific way - the values seen had been > 00000000010000000 and > 00008800010000000. Does that smell like anything from arm64-specific > data structures (PTE, etc.)?
make that 0000000001000000 and 0000880001000000 resp. Tests in the patch are correct, just mistyped it here...
> Alternatively, we might've gone off rails a step (or more) before, > with the previous iteration going through bogus, but at least mapped > address - the one that has never been a dentry in the first place.
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