linux-kernel - Re: [syzbot] [bcachefs?] KASAN: slab-out-of-bounds Read in bch2_btree_node_read

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Message-ID: <68db5202.a70a0220.10c4b.00e6.GAE@google.com>
Date: Mon, 29 Sep 2025 20:44:02 -0700
From: syzbot <syzbot+ba71155d3eacc8f42477@...kaller.appspotmail.com>
To: eadavis@...com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bcachefs?] KASAN: slab-out-of-bounds Read in bch2_btree_node_read_done

Hello,

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

failed to apply patch:
can't find file to patch at input line 5
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
|index 590cd29f3e86..ab14fff1452f 100644
|--- a/fs/bcachefs/btree_io.c
|+++ b/fs/bcachefs/btree_io.c
--------------------------
No file to patch.  Skipping patch.
1 out of 1 hunk ignored



Tested on:

commit:         30d4efb2 Merge tag 'for-linus-6.18-rc1-tag' of git://g..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=f5b21423ca3f0a96
dashboard link: https://syzkaller.appspot.com/bug?extid=ba71155d3eacc8f42477
compiler:       
patch:          https://syzkaller.appspot.com/x/patch.diff?x=16afc334580000