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From: syzbot <syzbot+6c25f4750230faf70be9@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Forwarded: Re: [syzbot] netdevsim fix
Date: Thu, 18 Jun 2026 01:51:39 -0700	[thread overview]
Message-ID: <6a33b19b.d85dbdf7.1299fc.0009.GAE@google.com> (raw)
In-Reply-To: <6a32e8e7.9e4c924b.10726f.0023.GAE@google.com>

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***

Subject: Re: [syzbot] netdevsim fix
Author: hrushirajg23@gmail.com

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master

diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index f00fc2f9ebde..77417dd0f752 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -1544,8 +1544,8 @@ static void __nsim_dev_port_del(struct
nsim_dev_port *nsim_dev_port)
     list_del(&nsim_dev_port->list);
     if (nsim_dev_port_is_vf(nsim_dev_port))
         devl_rate_leaf_destroy(&nsim_dev_port->devlink_port);
-    nsim_destroy(nsim_dev_port->ns);
     nsim_dev_port_debugfs_exit(nsim_dev_port);
+    nsim_destroy(nsim_dev_port->ns);
     if (nsim_dev_port_is_pf(nsim_dev_port))
         devl_port_resources_unregister(devlink_port);
     devl_port_unregister(devlink_port);

  parent reply	other threads:[~2026-06-18  8:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-17 18:35 [syzbot] [fs?] KASAN: slab-use-after-free Read in debugfs_u32_get (2) syzbot
2026-06-18  7:40 ` Forwarded: netdevsim: fix use-after-free in __nsim_dev_port_del syzbot
2026-06-18  8:51 ` syzbot [this message]
2026-06-18  9:01 ` Forwarded: [PATCH] " syzbot
2026-06-18 12:34 ` syzbot
2026-06-18 13:12 ` syzbot

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