From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
sdf@fomichev.me, horms@kernel.org, netdev@vger.kernel.org,
eric.dumazet@gmail.com,
syzbot+3da2442641f0c6a705a2@syzkaller.appspotmail.com
Subject: Re: [PATCH net-next] net: ethtool: use correct device pointer in ethnl_default_dump_one()
Date: Sat, 08 Mar 2025 03:40:43 +0000 [thread overview]
Message-ID: <174140524355.2565853.9173025389821987118.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20250307083544.1659135-1-edumazet@google.com>
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 7 Mar 2025 08:35:44 +0000 you wrote:
> ethnl_default_dump_one() operates on the device provided in its @dev
> parameter, not from ctx->req_info->dev.
>
> syzbot reported:
>
> Oops: general protection fault, probably for non-canonical address 0xdffffc0000000197: 0000 [#1] PREEMPT SMP KASAN PTI
> KASAN: null-ptr-deref in range [0x0000000000000cb8-0x0000000000000cbf]
> RIP: 0010:netdev_need_ops_lock include/linux/netdevice.h:2792 [inline]
> RIP: 0010:netdev_lock_ops include/linux/netdevice.h:2803 [inline]
> RIP: 0010:ethnl_default_dump_one net/ethtool/netlink.c:557 [inline]
> RIP: 0010:ethnl_default_dumpit+0x447/0xd40 net/ethtool/netlink.c:593
> Call Trace:
> <TASK>
> genl_dumpit+0x10d/0x1b0 net/netlink/genetlink.c:1027
> netlink_dump+0x64d/0xe10 net/netlink/af_netlink.c:2309
> __netlink_dump_start+0x5a2/0x790 net/netlink/af_netlink.c:2424
> genl_family_rcv_msg_dumpit net/netlink/genetlink.c:1076 [inline]
> genl_family_rcv_msg net/netlink/genetlink.c:1192 [inline]
> genl_rcv_msg+0x894/0xec0 net/netlink/genetlink.c:1210
> netlink_rcv_skb+0x206/0x480 net/netlink/af_netlink.c:2534
> genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
> netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
> netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1339
> netlink_sendmsg+0x8de/0xcb0 net/netlink/af_netlink.c:1883
> sock_sendmsg_nosec net/socket.c:709 [inline]
> __sock_sendmsg+0x221/0x270 net/socket.c:724
> ____sys_sendmsg+0x53a/0x860 net/socket.c:2564
> ___sys_sendmsg net/socket.c:2618 [inline]
> __sys_sendmsg+0x269/0x350 net/socket.c:2650
>
> [...]
Here is the summary with links:
- [net-next] net: ethtool: use correct device pointer in ethnl_default_dump_one()
https://git.kernel.org/netdev/net-next/c/f36a9285828c
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2025-03-08 3:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-07 8:35 [PATCH net-next] net: ethtool: use correct device pointer in ethnl_default_dump_one() Eric Dumazet
2025-03-07 15:23 ` Stanislav Fomichev
2025-03-08 3:40 ` patchwork-bot+netdevbpf [this message]
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=174140524355.2565853.9173025389821987118.git-patchwork-notify@kernel.org \
--to=patchwork-bot+netdevbpf@kernel.org \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=eric.dumazet@gmail.com \
--cc=horms@kernel.org \
--cc=kuba@kernel.org \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=sdf@fomichev.me \
--cc=syzbot+3da2442641f0c6a705a2@syzkaller.appspotmail.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.