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 583D917BB5 for ; Mon, 15 Jul 2024 18:18:26 +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=1721067507; cv=none; b=W4xeVlxuh2ug+ITfn6fGS0fiekyO3ve/7pGfNKbXoQ9XpJd5575/GmvIIohU2LsLbPGIByeiYSs2p4KWDf3a8oEwR4Tq7vxR2PCMDjwoGDtn9yytw8Z6uzw0P8ha4BAQUaVqEfyG4cRrAdhX8h7G+kGHZZ17LUoI7y3oNRhSZOg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721067507; c=relaxed/simple; bh=OBznxfoYKy1Zf974n+ASvWJ9uXh8KBeGGa1OHU3//EI=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=BBGDgpUyDCtq6xKK2gKTm+7NAH0SWho90SH8MuqFplpesmVfNJgYqMd2CO958/sFvTPibAR3st+5cvTK7z8ms0rBCr+Ba+JxBuOYJ2yIEosBo8bapaRTPblXrz7XhsPW5iST39iO5ayqHn71BSyf7JCNvgOab3sQEveqMO6RP/4= 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-376210a881dso53105005ab.1 for ; Mon, 15 Jul 2024 11:18:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721067505; x=1721672305; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Y9L7surq7e5cJ+iFDr3RDLEh2S5o7LANGMRFfpgtm4I=; b=BZsIgVbpUDwQkW3exB9qQfdQb3QvrW5pZJogFfBJcPR+nZizKNsGVSmG7dUT8cAbKy /cTjLCfltcfVg1S8LXLEKFo+ojABGNHwxKAfkjv0ODpdxzvc/H9QVD4eH9yDCrykHbfX dAiq98sz3kNXefuKJg5I/8FXcRvW6WI8o8/sjprYQNMcHVXAUtUVBnIwzL0YEY4jv0Gf Wzzhk64eYbHHAWQ3ecmCf7sealm4UpUjB4RlSJq0L3eaTacD7DLNU3efeEZ6wRwGm0xf X7nha5waYzbEzLGkTu+dIDdIQbMgjPGC+DFXmYiDkBSrue3y5rYi73BXCWaRi6cozeKv B5ng== X-Forwarded-Encrypted: i=1; AJvYcCWuPMuIgF3vkWk6t9l4PrD62wo7pF+KSFt/2D4zeEdvCMQdwlirPXefwX0u7EhBFuTB9nSKszPCiasTJPFZCqyWFRL7PeKM X-Gm-Message-State: AOJu0YwaL1J69mIgtNgbRkT/ZCTEcl8ifjsJ3YrOlw1BDsI+Td8Buh39 xDJqPwL5WH8ZJuCozS/pzc3XALUsbxQXzCssWo2+ZIPKJ8QgOAGDllQKs9z1sRo/ji4BJO3g20H T611RSxVaRoKGAxESyHmX3qH8f1lQD+hw1xqUbaI6U0hUdzZYVEd28s8= X-Google-Smtp-Source: AGHT+IGvaAmICzGAjLmKfxj+Tf0nNdpleoxIcGAnXRywkDzcjemvQr9koMk4Qo8p6WOSIkGSpIZhfL9f/b69V1iSna2jGbm4IwCp Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1985:b0:380:fd76:29e4 with SMTP id e9e14a558f8ab-393a0ec10edmr406765ab.4.1721067505542; Mon, 15 Jul 2024 11:18:25 -0700 (PDT) Date: Mon, 15 Jul 2024 11:18:25 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004d78dd061d4d4190@google.com> Subject: [syzbot] [wireless?] WARNING in drv_link_info_changed (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" Hello, syzbot found the following issue on: HEAD commit: 9d9a2f29aefd Merge tag 'mm-hotfixes-stable-2024-07-10-13-1.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11988fb9980000 kernel config: https://syzkaller.appspot.com/x/.config?x=b63b35269462a0e0 dashboard link: https://syzkaller.appspot.com/bug?extid=91af2efe46a484b223f0 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c1cad98f467f/disk-9d9a2f29.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e4f4b4b7a5f8/vmlinux-9d9a2f29.xz kernel image: https://storage.googleapis.com/syzbot-assets/ed300468d50d/bzImage-9d9a2f29.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+91af2efe46a484b223f0@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 18830 at net/mac80211/driver-ops.c:465 drv_link_info_changed+0x153/0x8b0 net/mac80211/driver-ops.c:460 Modules linked in: CPU: 1 PID: 18830 Comm: syz.2.3286 Not tainted 6.10.0-rc7-syzkaller-00076-g9d9a2f29aefd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:drv_link_info_changed+0x153/0x8b0 net/mac80211/driver-ops.c:460 Code: 83 fd 01 75 1f e8 cd 3b a6 f6 eb 32 e8 c6 3b a6 f6 eb 2b 83 fd 03 74 21 83 fd 05 75 07 e8 b5 3b a6 f6 eb 1a e8 ae 3b a6 f6 90 <0f> 0b 90 e9 c3 01 00 00 e8 a0 3b a6 f6 eb 05 e8 99 3b a6 f6 4d 8d RSP: 0018:ffffc9000e11ece8 EFLAGS: 00010283 RAX: ffffffff8aefec72 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc9000a6de000 RSI: 0000000000000f5a RDI: 0000000000000f5b RBP: 0000000080000000 R08: 0000000000000005 R09: ffffffff8aefec40 R10: 0000000000000004 R11: ffff88801dc30000 R12: 0000000000000000 R13: 0000000000000200 R14: ffff88806d0c0ca0 R15: ffff88801f218e20 FS: 00007f81b55296c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e311ff8 CR3: 000000002d852000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_offchannel_stop_vifs+0x25c/0x590 net/mac80211/offchannel.c:122 ieee80211_start_sw_scan net/mac80211/scan.c:559 [inline] __ieee80211_start_scan+0x1a7d/0x1e00 net/mac80211/scan.c:849 rdev_scan net/wireless/rdev-ops.h:466 [inline] cfg80211_conn_scan+0x9de/0xe80 net/wireless/sme.c:133 cfg80211_sme_connect net/wireless/sme.c:630 [inline] cfg80211_connect+0x14a4/0x1cf0 net/wireless/sme.c:1524 nl80211_connect+0x188f/0x1fe0 net/wireless/nl80211.c:12035 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2564 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2585 ___sys_sendmsg net/socket.c:2639 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2668 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f81b4775bd9 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:00007f81b5529048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f81b4904038 RCX: 00007f81b4775bd9 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 RBP: 00007f81b47e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f81b4904038 R15: 00007f81b4a2fa78 --- 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 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