linux-kernel - Re: [syzbot] [block?] BUG: unable to handle kernel NULL pointer dereference in guard_bio

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Message-ID: <680e54f9.050a0220.2b69d1.00dc.GAE@google.com>
Date: Sun, 27 Apr 2025 09:02:01 -0700
From: syzbot <syzbot+3291296495fc970e4b1c@...kaller.appspotmail.com>
To: axboe@...nel.dk, contact@...aud-lcm.com, linux-block@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [block?] BUG: unable to handle kernel NULL pointer
 dereference in guard_bio_eod

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

block/bio.c:695:17: error: expected ')' before 'return'
block/bio.c:715:1: error: expected expression before '}' token

Tested on:

commit:         5bc10186 Merge tag 'pci-v6.15-fixes-3' of git://git.ke..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=b7c08f42e927242f
dashboard link: https://syzkaller.appspot.com/bug?extid=3291296495fc970e4b1c
compiler:       aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
patch:          https://syzkaller.appspot.com/x/patch.diff?x=11578374580000