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Groups > linux.kernel > #1701282
| From | "davej@codemonkey.org.uk" <davej@codemonkey.org.uk> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [GIT PULL] Please pull NFS client changes for Linux 4.13 |
| Date | 2017-08-01 20:00 +0200 |
| Message-ID | <u9JCx-74V-9@gated-at.bofh.it> (permalink) |
| References | (5 earlier) <u4jz4-zE-11@gated-at.bofh.it> <u9l7b-82B-15@gated-at.bofh.it> <u9y4p-7Cw-1@gated-at.bofh.it> <u9HKq-5Q8-29@gated-at.bofh.it> <u9J9x-6UE-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Aug 01, 2017 at 10:20:31AM -0700, Linus Torvalds wrote: > So I think the 'pathname' part may actually be entirely a red herring, > and it's the underlying access itself that just picks up a random > pointer from a stack that now contains something different. And KASAN > didn't notice the stale stack access itself, because the stack slot is > still valid - it's just no longer the original 'verifier' allocation. > > Or *something* like that. > > None of this looks even remotely new, though - the code seems to go > back to 2009. Have you just changed what you're testing to trigger > these things? No idea why it only just showed up, but it isn't 100% reproducable either. A month or so ago I did disable the V4 code on the server completely (as I was using v3 everywhere else), so maybe I started hitting a fallback path somewhere. *shrug* Dave
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Re: [GIT PULL] Please pull NFS client changes for Linux 4.13 "davej@codemonkey.org.uk" <davej@codemonkey.org.uk> - 2017-07-31 17:50 +0200
Re: [GIT PULL] Please pull NFS client changes for Linux 4.13 Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-01 07:40 +0200
Re: [GIT PULL] Please pull NFS client changes for Linux 4.13 "davej@codemonkey.org.uk" <davej@codemonkey.org.uk> - 2017-08-01 18:00 +0200
Re: [GIT PULL] Please pull NFS client changes for Linux 4.13 Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-01 19:30 +0200
Re: [GIT PULL] Please pull NFS client changes for Linux 4.13 Trond Myklebust <trondmy@primarydata.com> - 2017-08-01 19:40 +0200
Re: [GIT PULL] Please pull NFS client changes for Linux 4.13 "davej@codemonkey.org.uk" <davej@codemonkey.org.uk> - 2017-08-01 20:00 +0200
Re: [GIT PULL] Please pull NFS client changes for Linux 4.13 Trond Myklebust <trondmy@primarydata.com> - 2017-08-01 20:00 +0200
Re: [GIT PULL] Please pull NFS client changes for Linux 4.13 Linus Torvalds <torvalds@linux-foundation.org> - 2017-08-01 20:00 +0200
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