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Groups > linux.kernel > #1723520
| From | Mike Galbraith <efault@gmx.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection |
| Date | 2017-08-30 19:20 +0200 |
| Message-ID | <ukeOK-2Hq-9@gated-at.bofh.it> (permalink) |
| References | (2 earlier) <ujS1P-54r-5@gated-at.bofh.it> <ujThf-63v-11@gated-at.bofh.it> <ujTKh-6eS-3@gated-at.bofh.it> <uk3qh-44H-5@gated-at.bofh.it> <ukec3-2f2-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, 2017-08-30 at 09:35 -0700, Kees Cook wrote:
> On Tue, Aug 29, 2017 at 10:02 PM, Mike Galbraith <efault@gmx.de> wrote:
> > On Tue, 2017-08-29 at 11:41 -0700, Kees Cook wrote:
> >> Can you also test with 14afee4b6092 ("net: convert sock.sk_wmem_alloc
> >> from atomic_t to refcount_t") reverted (instead of ARCH_HAS_REFCOUNT
> >> disabled)?
> >
> > Nogo.
>
> Thanks for checking!
>
> > [ 44.901930] WARNING: CPU: 5 PID: 0 at net/netlink/af_netlink.c:374 netlink_sock_destruct+0x82/0xa0
>
> This is so odd if 14afee4b6092 is reverted. What is line 374 for you
> in net/netlink/af_netlink.c?
374 WARN_ON(atomic_read(&sk->sk_rmem_alloc));
That line is unchanged by 14afee4b6092.
-Mike
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tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-08-29 11:00 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-29 18:00 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-08-29 20:20 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-29 20:50 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-08-30 07:10 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-30 18:40 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-08-30 19:20 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-30 19:40 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-08-30 20:00 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-30 21:20 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-30 21:50 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-08-31 04:20 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-31 04:30 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-08-31 05:20 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-31 06:10 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-31 06:20 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-08-31 06:40 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-08-31 16:00 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-31 19:10 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-08-31 19:30 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-31 20:50 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-09-01 09:00 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-09-01 15:20 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-09-01 19:20 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-09-01 20:00 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-09-01 21:00 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Mike Galbraith <efault@gmx.de> - 2017-09-01 21:30 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-09-01 21:50 +0200
Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection Kees Cook <keescook@chromium.org> - 2017-08-31 21:30 +0200
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