From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f77.google.com (mail-ot1-f77.google.com [209.85.210.77]) (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 47D05305E37 for ; Tue, 2 Dec 2025 08:10:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.77 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764663030; cv=none; b=i8QlirFwo7jsf7C+gqiPaEtTJrIpQjCT13URd5M1ZrkaM76cmnMsCB48B0nJvqjRDTJu1FblPHekj4VZWmfo5rB+o+0CIVEUHjFCnw8bejaJ/muM4YX4Kv5e22rZ6PLQpdhro+WxJLA/n33ePQP2wX8qeq9GecDjHz/g/DD3Slw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764663030; c=relaxed/simple; bh=11beu77m3XSH99iHZG6sxY2GKAm1g0CiV99okHR8i7o=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=YBVAuIpoBJ1xIXzX7h8OQ1dThnc3jsRbXj7jZW4Kxu89shHLVhFyBAmsORu05JqT2ZyXWrRGjawV+Q0uqDjhvKhEj/NQr5Zo8NM3FiYwi5sbL4RXSMOFQcmaz5VBucICL4jag8KJdMd33Z5M0+aEgSYnoE61Bd1Q27nh2/RJBgE= 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=209.85.210.77 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-ot1-f77.google.com with SMTP id 46e09a7af769-7c673f5f4b6so11054865a34.1 for ; Tue, 02 Dec 2025 00:10:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764663027; x=1765267827; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=fDMKEYnpuLlWaIZRDt0ZS3TJNITU/RQHRs90A4VxKEs=; b=O00pZ0uOjD4JoZVrZN1Xv1KWEB/SJbN/D0juhBe6VEEs2/X4stHFgnFF5npgz50wbQ JQPQ1CtjOTwnZrZPmJhv65WxAmgB3CqDBXI04RRWued7cAAWLzASjyskutNtnKF7Eguq YEUhf4J1E01pOoggA5NmW/Ani2NTZU6hxBOcDt8eIoFsOMrJWoxeWK5whQt9//BHUH92 bGJHl/uZzcfU9Kw8vS5fVvIvHV62IVoBCwNUk9UOCG6/n5b5hhPmaoFNy3sOKrcp9IX0 Y8tqTx8fz+rsqvR2Q+iYX8Tk1xKHjFpwfwBS5s+SI56bl/RzhstUkGbjBWVItP3OyI8u VUhg== X-Forwarded-Encrypted: i=1; AJvYcCVsByCFpf0wQCpM2B4UNNU+UGj1p1siG67PGStr4urYDKXmxBwwFUcnPoWaczAnt9y2/LNr9to=@vger.kernel.org X-Gm-Message-State: AOJu0YwtNr+krYXVmLwBQfXprFlwGfLHRXPQ15C4SyGeRxx6PI+4nTUh V1vU0hRyThm+rQS4RNt+be4XJnZiWd5chUErmSRUpx/Ql2wTK0tqxcXmXe974gPDE2eLVozhVD0 LGPYP6KJbW4almuviHvMgZxST9juAJSJaeKEF52rI0DfrLTpE+IyMMJyf8Ao= X-Google-Smtp-Source: AGHT+IFTdChVnoE9bhLekkEqW6e3Rh+Y/V9ODdbtrC1WLVSBuhLzlLfA+1HmjqBcmJ2t5Ow2ZzJSR2fj2CIb1lo5EvLaQTXH/+R3 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:6684:10b0:453:587c:8362 with SMTP id 5614622812f47-453587c83demr1925680b6e.11.1764663027383; Tue, 02 Dec 2025 00:10:27 -0800 (PST) Date: Tue, 02 Dec 2025 00:10:27 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <692e9ef3.a70a0220.d98e3.0196.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in ieee80211_determine_chan_mode From: syzbot To: johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: aa7243aaf194 Merge tag 'dma-mapping-6.18-2025-11-27' of gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1043de92580000 kernel config: https://syzkaller.appspot.com/x/.config?x=6824ec1757ea1310 dashboard link: https://syzkaller.appspot.com/bug?extid=639af5aa411f2581ad38 compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17ee24b4580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1443de92580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-aa7243aa.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/553231cb1529/vmlinux-aa7243aa.xz kernel image: https://storage.googleapis.com/syzbot-assets/ee81b2a17eb1/bzImage-aa7243aa.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+639af5aa411f2581ad38@syzkaller.appspotmail.com wlan1: No basic rates, using min rate instead ------------[ cut here ]------------ WARNING: CPU: 3 PID: 6085 at net/mac80211/mlme.c:1129 ieee80211_determine_chan_mode+0x13a0/0x41b0 net/mac80211/mlme.c:1129 Modules linked in: CPU: 3 UID: 0 PID: 6085 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ieee80211_determine_chan_mode+0x13a0/0x41b0 net/mac80211/mlme.c:1129 Code: 4c 24 08 ba 01 00 00 00 8b 41 04 83 f8 00 0f 47 c2 89 41 04 e9 da f6 ff ff 4d 89 e7 4c 8b a4 24 a0 00 00 00 e8 61 00 ce f6 90 <0f> 0b 90 e9 da fc ff ff e8 53 00 ce f6 90 0f 0b 90 e9 45 fa ff ff RSP: 0018:ffffc9000413e6d0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff8aeee63e RDX: ffff888029858000 RSI: ffffffff8aeee77f RDI: 0000000000000005 RBP: ffffed1009b74af6 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: ffff888025dc3000 R12: 1ffff92000827cf7 R13: ffffc9000413ea08 R14: ffffc9000413ea10 R15: ffff888025dc3000 FS: 00007f6cc669e6c0(0000) GS:ffff8880d6d05000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e663fff CR3: 0000000053ab0000 CR4: 0000000000352ef0 Call Trace: ieee80211_prep_channel+0x218/0x18c0 net/mac80211/mlme.c:6059 ieee80211_prep_connection+0x6df/0x1930 net/mac80211/mlme.c:9030 ieee80211_mgd_auth+0xdd3/0x19d0 net/mac80211/mlme.c:9320 rdev_auth net/wireless/rdev-ops.h:486 [inline] cfg80211_mlme_auth+0x564/0x980 net/wireless/mlme.c:291 cfg80211_conn_do_work+0x64c/0xfd0 net/wireless/sme.c:182 cfg80211_sme_connect net/wireless/sme.c:625 [inline] cfg80211_connect+0x1365/0x2130 net/wireless/sme.c:1527 nl80211_connect+0x1560/0x2140 net/wireless/nl80211.c:13298 genl_family_rcv_msg_doit+0x209/0x2f0 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0xa98/0xc70 net/socket.c:2630 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2684 __sys_sendmsg+0x16d/0x220 net/socket.c:2716 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6cc578f7c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6cc669e038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6cc59e5fa0 RCX: 00007f6cc578f7c9 RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000003 RBP: 00007f6cc5813f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6cc59e6038 R14: 00007f6cc59e5fa0 R15: 00007ffed3637698 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title 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. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup