linux-kernel - Re: [syzbot] [fs?] general protection fault in pagemap_scan_hugetlb

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Message-ID: <000000000000fa801f060bdd4cef@google.com>
Date:   Wed, 06 Dec 2023 12:36:07 -0800
From:   syzbot <syzbot+6e2ccedb96d1174e6a5f@...kaller.appspotmail.com>
To:     akpm@...ux-foundation.org, dan.carpenter@...aro.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, llvm@...ts.linux.dev, mike.kravetz@...cle.com,
        muchun.song@...ux.dev, nathan@...nel.org, ndesaulniers@...gle.com,
        sidhartha.kumar@...cle.com, syzkaller-bugs@...glegroups.com,
        trix@...hat.com
Subject: Re: [syzbot] [fs?] general protection fault in pagemap_scan_hugetlb_entry

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+6e2ccedb96d1174e6a5f@...kaller.appspotmail.com

Tested on:

commit:         41f87dea kexec: select CRYPTO from KEXEC_FILE instead ..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-hotfixes-unstable
console output: https://syzkaller.appspot.com/x/log.txt?x=144310d4e80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=3513b9514190e290
dashboard link: https://syzkaller.appspot.com/bug?extid=6e2ccedb96d1174e6a5f
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.