linux-kernel - Re: [syzbot] upstream build error (18)

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]

Date:   Fri, 27 May 2022 16:25:00 +0800
From:   Baolin Wang <baolin.wang@...ux.alibaba.com>
To:     syzbot <syzbot+a0b95614aef2afe9e488@...kaller.appspotmail.com>,
        anshuman.khandual@....com, catalin.marinas@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        mike.kravetz@...cle.com, songmuchun@...edance.com,
        syzkaller-bugs@...glegroups.com, will@...nel.org
Subject: Re: [syzbot] upstream build error (18)

Hi,

On 5/27/2022 3:14 PM, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    7e284070abe5 Merge tag 'for-5.19/dm-changes' of git://git...
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1233ae81f00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=854cea6cbaeb1d1b
> dashboard link: https://syzkaller.appspot.com/bug?extid=a0b95614aef2afe9e488
> compiler:       aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
> userspace arch: arm64
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+a0b95614aef2afe9e488@...kaller.appspotmail.com
> 
> arch/arm64/mm/hugetlbpage.c:515:9: error: implicit declaration of function 'get_clear_flush'; did you mean 'ptep_clear_flush'? [-Werror=implicit-function-declaration]
> arch/arm64/mm/hugetlbpage.c:515:9: error: incompatible types when returning type 'int' but 'pte_t' was expected
> arch/arm64/mm/hugetlbpage.c:516:1: error: control reaches end of non-void function [-Werror=return-type]

I've sent out a fix patch [1], please try it. Thanks.

[1] 
https://lore.kernel.org/all/814e20c19b110209ee12ecae7cb05f8a78d021c8.1653625820.git.baolin.wang@linux.alibaba.com/