From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (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 58EC414535B for ; Thu, 18 Jul 2024 17:29:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721323771; cv=none; b=EgPiYX5RzCBfbDj/8U3gY7Pjg1dlyeCxaIHGtPLGA3asppgdTGtr47dosjKk/i+/mTibtot+C4lMYlBTFQzr7+V8Z28NaaG13l2WaCMUBmT5UA3KpB5+/9Ea4VPd1HQFmTh/HLF2bP9tphrwfiBDv6HeOTkS4Pg8TiWeAt54FyI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721323771; c=relaxed/simple; bh=Me+zMtshmruILAJekqfPLJtdDLKanWL4ysXOljsidMM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=uOLzl0dYiNPIxgtsbBs7/7OahPqgVogFJpLXp3YpiktOorqo1b9Tzoq5jxGx8I5eDoKirhusFwyI1JzITcqStHea5ZDyGYdksbTRSMMyn/fhXEfI6ect4T0kth9pR63wukEx/z4sswgV5lOZYjYgsNY2ypPUaTURHNP9MJoK1Vk= 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=209.85.166.70 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-io1-f70.google.com with SMTP id ca18e2360f4ac-802d5953345so147911439f.3 for ; Thu, 18 Jul 2024 10:29:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721323769; x=1721928569; 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=MI6B+T6B6Yllk4n4lA/+kUOT7tKQRBNZs27asQNbJRk=; b=tCdemxjmSdxGxT5Tq/iFZjE2JwApghzjjGSgTZcCKkCjhTkuR0cQP77sBbZ71ubIiZ dgWABVinurQuvww3DaDhZwx4ZzT3uRlFtrDebi9qORhYqIYs3DeMIGL8iivLcdPQUPIq xXit/H03XiGgI9GXluncksx9iDwKPG/y1OSM8nKYIWzO5YWGkJUEonf+JH5m/4metG0H h48TfTeapa+xMTF068cI+ZXpXwh1oow56Xg7VgxdA35HY84rRjFEipEM8MZVjSBfyVlD RDpw1Ru2wkdROw+ZJyVWfcuB7RwoqX7B0XA3JlDL0piLh3amE3ybbYqIndbgdpRH2q93 A/Ig== X-Forwarded-Encrypted: i=1; AJvYcCWsPCaw/7Oqdcv83vlgoGQra9fAELZiKFexUl2zOdHD4NotY2Uf5TWegtw2kau/RgQdwvuLYy7Ivf0zxr9nIyo+R5y0Z0Wp X-Gm-Message-State: AOJu0YwmbVKKkNq/30el5vqm30ElVCCc5Sm0/i9H2nkgYrmmZFOl93p8 aG6j44EalSm4m0ov8Rl0HE4ciY12IcOtofQyGTRLxwnduDRp9bi1jE31hH9bnHYjMvZDh9HnuZE 4APSt2MMcnFbns4ZTMo3T2muAWL6UDzoECxCAL/kWg2h7JD2kzorwCM0= X-Google-Smtp-Source: AGHT+IERgHkd4uuoZ+3Je2Bx9HBGOS8T1yx931DaNK/jipVmfOTjBPpZ1rECyeaZyHUrMuyZnUOUzjyo8T/ubuuUb+p32FE0mk8b Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:6c04:b0:809:9052:663b with SMTP id ca18e2360f4ac-81710040ec1mr5068439f.1.1721323769504; Thu, 18 Jul 2024 10:29:29 -0700 (PDT) Date: Thu, 18 Jul 2024 10:29:29 -0700 In-Reply-To: <000000000000fdef8706191a3f7b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d3354f061d88ebca@google.com> Subject: Re: [syzbot] [wireless?] WARNING in __rate_control_send_low (2) From: syzbot To: davem@davemloft.net, edumazet@google.com, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has found a reproducer for the following issue on: HEAD commit: 51835949dda3 Merge tag 'net-next-6.11' of git://git.kernel.. git tree: net-next console+strace: https://syzkaller.appspot.com/x/log.txt?x=17a2f61d980000 kernel config: https://syzkaller.appspot.com/x/.config?x=d3bdd09ea2371c89 dashboard link: https://syzkaller.appspot.com/bug?extid=8dd98a9e98ee28dc484a compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14608749980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=178b9195980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/9690deac1819/disk-51835949.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/54d261dbb3f0/vmlinux-51835949.xz kernel image: https://storage.googleapis.com/syzbot-assets/e61465cd524f/bzImage-51835949.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8dd98a9e98ee28dc484a@syzkaller.appspotmail.com ------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 0 PID: 956 at net/mac80211/rate.c:385 __rate_control_send_low+0x659/0x890 net/mac80211/rate.c:380 Modules linked in: CPU: 0 PID: 956 Comm: kworker/u8:6 Not tainted 6.10.0-syzkaller-04472-g51835949dda3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:__rate_control_send_low+0x659/0x890 net/mac80211/rate.c:380 Code: 8b 14 24 0f 85 de 01 00 00 8b 0a 48 c7 c7 60 91 e2 8c 48 8b 74 24 10 44 89 f2 44 8b 44 24 1c 44 8b 4c 24 0c e8 98 47 5b f6 90 <0f> 0b 90 90 e9 71 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c db RSP: 0018:ffffc9000438f4c0 EFLAGS: 00010246 RAX: 2943e4de4f1a2b00 RBX: 000000000000000c RCX: ffff8880210a1e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88801f2367a8 R08: ffffffff815878a2 R09: fffffbfff1c39d94 R10: dffffc0000000000 R11: fffffbfff1c39d94 R12: 0000000000000800 R13: 000000000000000c R14: 00000000ffffffff R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000066a010 CR3: 000000007f050000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rate_control_send_low+0x1a8/0x770 net/mac80211/rate.c:405 rate_control_get_rate+0x20e/0x5e0 net/mac80211/rate.c:921 ieee80211_tx_h_rate_ctrl+0xc88/0x1a10 net/mac80211/tx.c:763 invoke_tx_handlers_late+0xb3/0x18e0 net/mac80211/tx.c:1848 ieee80211_tx+0x2e3/0x470 net/mac80211/tx.c:1969 __ieee80211_tx_skb_tid_band+0x4e2/0x610 net/mac80211/tx.c:6101 ieee80211_tx_skb_tid_band net/mac80211/ieee80211_i.h:2297 [inline] ieee80211_handle_roc_started+0x267/0x440 net/mac80211/offchannel.c:248 _ieee80211_start_next_roc+0x7a1/0xb00 net/mac80211/offchannel.c:381 cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 --- If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing.