mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+a0c841e02f328005bbcc@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [iommu?] KMSAN: uninit-value in iopt_pages_unfill_xarray
Date: Mon, 26 Jan 2026 10:29:23 +0800	[thread overview]
Message-ID: <tencent_BE4FD18DAFA5A80DF7122C5D92DD98997507@qq.com> (raw)
In-Reply-To: <6975b1f4.a00a0220.33ccc7.001f.GAE@google.com>

#syz test

diff --git a/drivers/iommu/iommufd/pages.c b/drivers/iommu/iommufd/pages.c
index dbe51ecb9a20..f606148920fa 100644
--- a/drivers/iommu/iommufd/pages.c
+++ b/drivers/iommu/iommufd/pages.c
@@ -289,6 +289,7 @@ static void batch_clear(struct pfn_batch *batch)
 	batch->end = 0;
 	batch->pfns[0] = 0;
 	batch->npfns[0] = 0;
+	batch->kind = 0;
 }
 
 /*


  reply	other threads:[~2026-01-26  2:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-25  6:02 syzbot
2026-01-26  2:29 ` Edward Adam Davis [this message]
2026-01-26  3:10   ` syzbot
2026-01-28 16:50 ` Jason Gunthorpe

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=tencent_BE4FD18DAFA5A80DF7122C5D92DD98997507@qq.com \
    --to=eadavis@qq.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=syzbot+a0c841e02f328005bbcc@syzkaller.appspotmail.com \
    --cc=syzkaller-bugs@googlegroups.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®