linux-kernel - Re: [bzImage64_load] BUG: KASAN: stack-out-of-bounds in deref_stack

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CA+55aFzXFn0_RnArCYiBNJGen1+8VoS9cuxVTjzf0bz-rXgDRw@mail.gmail.com>
Date:   Tue, 7 Nov 2017 08:32:19 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Fengguang Wu <fengguang.wu@...el.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     "the arch/x86 maintainers" <x86@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Thiago Jung Bauermann <bauerman@...ux.vnet.ibm.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [bzImage64_load] BUG: KASAN: stack-out-of-bounds in deref_stack_reg+0xb5/0x11a

On Tue, Nov 7, 2017 at 1:32 AM, Fengguang Wu <fengguang.wu@...el.com> wrote:
>
> [    7.795097] Kprobe smoke test: started
> [    7.807563] ==================================================================
> [    7.808007] BUG: KASAN: stack-out-of-bounds in deref_stack_reg+0xb5/0x11a

Ok, this is apparently with a new enough gcc to make it valid: gcc
version 6.2.0.

Adding Josh to the list of people, since it's in the unwinder. Josh,
I'll forward the original report with full dmesg and config in
private.

               Linus