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Date:      Mon, 17 Jun 2024 09:36:55 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 279653] Page fault in in6_selecthlim
Message-ID:  <bug-279653-7501-dyXIjGaQUL@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-279653-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-279653-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D279653

--- Comment #6 from Zhenlei Huang <zlei@FreeBSD.org> ---
(In reply to Daniel Ponte from comment #4)
I do not see any problems with the disassembled code from my limited x86-64=
 ASM
knowledge.

There're only two entries that will run to ffffffff80b10416, one is
> ffffffff80b103a0: 48 85 f6              testq   %rsi, %rsi
> ffffffff80b103a3: 75 64                 jne     0xffffffff80b10409 <in6_s=
electhlim+0x89>

, the another one is
> ffffffff80b103fe: 48 8b 78 20           movq    0x20(%rax), %rdi
> ffffffff80b10402: eb 08                 jmp     0xffffffff80b1040c <in6_s=
electhlim+0x8c>

So I suspect the line number 850 by kgdb is wrong, and the correct one shou=
ld
be 861.

I have no evidences but may you please have a try with the patch ?

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