linux-kernel - Re: [syzbot] [btrfs?] KASAN: slab-out-of-bounds Read in getname

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Date: Mon, 18 Dec 2023 18:50:04 -0800
From: syzbot <syzbot+33f23b49ac24f986c9e8@...kaller.appspotmail.com>
To: eadavis@...com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [btrfs?] KASAN: slab-out-of-bounds Read in
 getname_kernel (2)

Hello,

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

fs/btrfs/dev-replace.c:745:36: warning: empty character constant [-Winvalid-pp-token]
fs/btrfs/dev-replace.c:745:36: error: expected expression

Tested on:

commit:         3bd7d748 Merge tag 'io_uring-6.7-2023-12-15' of git://..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config:  https://syzkaller.appspot.com/x/.config?x=53ec3da1d259132f
dashboard link: https://syzkaller.appspot.com/bug?extid=33f23b49ac24f986c9e8
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1392a8d6e80000