linux-kernel - Re: [syzbot] [iommu?] UBSAN: shift-out-of-bounds in iova_bitmap

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Message-ID: <6783b3e9.050a0220.d0267.0056.GAE@google.com>
Date: Sun, 12 Jan 2025 04:22:01 -0800
From: syzbot <syzbot+85992ace37d5b7b51635@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, qasdev00@...il.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [iommu?] UBSAN: shift-out-of-bounds in iova_bitmap_alloc

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+85992ace37d5b7b51635@...kaller.appspotmail.com
Tested-by: syzbot+85992ace37d5b7b51635@...kaller.appspotmail.com

Tested on:

commit:         b62cef9a Merge tag 'hwmon-for-v6.13-rc7' of git://git...
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11520a18580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4ef22c4fce5135b4
dashboard link: https://syzkaller.appspot.com/bug?extid=85992ace37d5b7b51635
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=109431df980000

Note: testing is done by a robot and is best-effort only.