linux-kernel - Re: [syzbot] [xfs?] KASAN: use-after-free Read in hpfs_bplus

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Message-ID: <696af681.a70a0220.34546f.0080.GAE@google.com>
Date: Fri, 16 Jan 2026 18:40:01 -0800
From: syzbot <syzbot+8debf4b3f7c7391cd8eb@...kaller.appspotmail.com>
To: kartikey406@...il.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [xfs?] KASAN: use-after-free Read in hpfs_bplus_lookup

Hello,

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

failed to apply patch:
checking file fs/hpfs/anode.c
patch: **** missing line number at line 4: @@ -XX,6 +XX,16 @@ secno hpfs_bplus_lookup(struct super_block *s, struct inode *inode,

Tested on:

commit:         39d33893 Merge tag 'drm-fixes-2026-01-16' of https://g..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=7b058fb1d7dbe6b1
dashboard link: https://syzkaller.appspot.com/bug?extid=8debf4b3f7c7391cd8eb
compiler:       
patch:          https://syzkaller.appspot.com/x/patch.diff?x=15ee23fa580000