From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 065F91E3DE4 for ; Fri, 8 Nov 2024 11:24:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731065088; cv=none; b=uO9WxSwa+taH0uTFk/eMBLdJSPgn6CR/EvnqborDy5aRxUOavnrVYKLhOVIsMLZ2A+OOR7+eOB57gdEDk1Bs23PUqJPTDnODwqLQj66/oWao5VwRzaY4UUQg7OsLgRPoX7mhGHKxLvTbpYRCxkIQ50DO8h2pQXi0LgIGv7dzCHI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731065088; c=relaxed/simple; bh=8SoAMftcXLVFiamnDMQ3USZsK+wTOGhXwFEauq75swk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=FcjWUxcMMKfWxA7644AnWcF6udJp8eb0apF7pqi7xiXbpdh+EKfBbwPPZU9Hsyu/Bp+UlygYW9rzjQLQj7wtaAmUGPjqIf9X7UesHBGbC4H3H7kM5ej7QkowcxE65WDiJB/BIxQjwl8bIAKBzrfbQhXO/IrOGDA+hgSZG68lVco= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-3a3da2d46b9so22599845ab.0 for ; Fri, 08 Nov 2024 03:24:46 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731065086; x=1731669886; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=nXMTjcFXyKcZCBZQZj0WEVberb9k2EXzi12jjMhX470=; b=nsX+tjB4xvI30S0HKAiHB+e0X+9PHnvXXaUp9P4p9Krk2WtQZTuvYOfrv8ZoM/TOUc ZAwBXIKi5/0pxZGBMUGVb5gsmyV2ILzqPVmFqDFuVGyFzySFX27Hm8Zrk7yBOEAgWiVw SMQxiY3m/ecmNyxXcnJadCJsDcaLWsYXE8r3VF2/NpEFg77vP42a6zWUNqeNw276Bhmj pncXdSgjx6Vmvq6bQlCRatG6a8C7NrbUAx7ctM01zSrf3uCvXa7y35O8cA95Djurr+oz OFdsjSNVHJEESOYVWr37f3vVGCMpojWzKkk/7wa1Ucb0MXzWBJYhzSlCn+U8F41C4dPX qF7Q== X-Gm-Message-State: AOJu0YzrGhgfpzfpZjlSDAbkir+2LpW6wtJDlc7BfViL9i0CAFW+NiNn NLn966kWC8HgHs9f+wf6FOt9bKPytqq9j6wlCLocc32kS8RKxDR6AYtx7gmgu+HTTIW00JBoLab m54zuJI000jesuYMF4TDN6RxGcHrY7zx+5dnHiZB31llsM8hGzJxE+RY= X-Google-Smtp-Source: AGHT+IHiAJfVjiB0rFyGqX/kmn3Y/RFiaf6d/t2eoGtQ/Hsxsg5hbClMJCYi+cIhpQNySoSDE+yPInaRXyLSXoJik6XBWELWRqON Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:17c6:b0:3a0:a80a:997c with SMTP id e9e14a558f8ab-3a6f1a25691mr26224665ab.19.1731065086121; Fri, 08 Nov 2024 03:24:46 -0800 (PST) Date: Fri, 08 Nov 2024 03:24:46 -0800 In-Reply-To: <672b9f03.050a0220.350062.0276.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <672df4fe.050a0220.69fce.0011.GAE@google.com> Subject: Re: [syzbot] Re: [syzbot] [wpan?] [usb?] BUG: corrupted list in ieee802154_if_remove From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: Re: [syzbot] [wpan?] [usb?] BUG: corrupted list in ieee802154_if_remove Author: lizhi.xu@windriver.com net device has been unregistered ? #syz test diff --git a/net/mac802154/ieee802154_i.h b/net/mac802154/ieee802154_i.h index 08dd521a51a5..6771c0569516 100644 --- a/net/mac802154/ieee802154_i.h +++ b/net/mac802154/ieee802154_i.h @@ -101,6 +101,7 @@ enum { enum ieee802154_sdata_state_bits { SDATA_STATE_RUNNING, + SDATA_STATE_LISTDONE, }; /* Slave interface definition. diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c index c0e2da5072be..95f11d377fd3 100644 --- a/net/mac802154/iface.c +++ b/net/mac802154/iface.c @@ -683,6 +683,10 @@ void ieee802154_if_remove(struct ieee802154_sub_if_data *sdata) { ASSERT_RTNL(); + printk("sd: %p, sdl: %p, dev: %p, l: %p, if remove\n", sdata, sdata->list, sdata->dev, sdata->local); + if (test_bit(SDATA_STATE_LISTDONE, &sdata->state)) + return; + mutex_lock(&sdata->local->iflist_mtx); list_del_rcu(&sdata->list); mutex_unlock(&sdata->local->iflist_mtx); @@ -697,7 +701,9 @@ void ieee802154_remove_interfaces(struct ieee802154_local *local) mutex_lock(&local->iflist_mtx); list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) { + printk("sd: %p, sdl: %p, dev: %p, l: %p, rmv interfaces\n", sdata, sdata->list, sdata->dev, sdata->local); list_del(&sdata->list); + set_bit(SDATA_STATE_LISTDONE, &sdata->state); unregister_netdevice(sdata->dev); } diff --git a/net/mac802154/main.c b/net/mac802154/main.c index 21b7c3b280b4..81289719584e 100644 --- a/net/mac802154/main.c +++ b/net/mac802154/main.c @@ -279,6 +279,7 @@ void ieee802154_unregister_hw(struct ieee802154_hw *hw) rtnl_lock(); + printk("l: %p unreg hw\n", local); ieee802154_remove_interfaces(local); rtnl_unlock();