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Date: Thu, 21 Dec 2017 08:44:03 +0100 From: Dmitry Vyukov <dvyukov@...gle.com> To: Eric Biggers <ebiggers3@...il.com> Cc: syzbot <bot+428944d1a848e9d7464aa96da32ba353cc812457@...kaller.appspotmail.com>, David Miller <davem@...emloft.net>, Herbert Xu <herbert@...dor.apana.org.au>, linux-crypto@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, syzkaller-bugs@...glegroups.com Subject: Re: BUG: unable to handle kernel paging request in hmac_init_tfm On Thu, Dec 21, 2017 at 12:09 AM, Eric Biggers <ebiggers3@...il.com> wrote: > On Mon, Dec 18, 2017 at 11:36:01AM -0800, syzbot wrote: >> Hello, >> >> syzkaller hit the following crash on >> 6084b576dca2e898f5c101baef151f7bfdbb606d >> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master >> compiler: gcc (GCC) 7.1.1 20170620 >> .config is attached > > FYI, in linux-next KASAN and other memory debugging options are now behind > CONFIG_DEBUG_MEMORY. So, I think KASAN isn't getting turned on anymore, despite > the CONFIG_KASAN=y. (Patch was "lib/: make "Memory Debugging" a menuconfig to > ease disabling it all".) Ouch! That would be pretty bad. But I've tried both linux-next HEAD at: commit 0e08c463db387a2adcb0243b15ab868a73f87807 (HEAD, tag: next-20171221, linux-next/master) Author: Stephen Rothwell <sfr@...b.auug.org.au> Date: Thu Dec 21 15:37:39 2017 +1100 Add linux-next specific files for 20171221 and mmots HEAD at: commit 75aa5540627fdb3d8f86229776ea87f995275351 (HEAD, tag: v4.15-rc4-mmots-2017-12-20-19-10, mmots/master) Author: Linus Torvalds <torvalds@...ux-foundation.org> Date: Thu Dec 21 04:02:17 2017 +0000 pci: test for unexpectedly disabled bridges and after running make olddefconfig I still see CONFIG_KASAN=y in .config, nor I can find CONFIG_DEBUG_MEMORY in menuconfig. What am I missing? What commit has added the config?
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