From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f80.google.com (mail-ot1-f80.google.com [209.85.210.80]) (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 9AACA2571A9 for ; Sun, 10 May 2026 21:02:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778446955; cv=none; b=nTwZ7xQ7uesvCrZ7JN6mjzc5bsy4xOb2VNE5QESrlyNyyRx+B+L3TX0yr6TZ0jJyWejuJ3rKFO7TzZIzCjOTVLl4r5sHSyob1ci+IlDV0Is6ASKDFK6AhUfWO9M78LniwdO6BcP6/O88p/xxlsk67bKT5ikUERogGvX0/PXSagk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778446955; c=relaxed/simple; bh=qiMiUP4GWNA2w9vRiyBT9N3XWrpmuvhai0+xrt4hld8=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=sodPIRYnX+4s0Rj2h1KxKeatM3Vj4Qm8FC3xVS0/UCLPQWmdMueWw63xxPywVMjo55oK5eRLQFwuu1/qBUGtoUriQYbdQg73TwoKK5tKCAmbyNsu47rmVHUjPvlR13uQDThYRhhXwSBQygSUlcDjf5lMyTIJvjYWLTlMQeMPcG0= 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=209.85.210.80 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-f80.google.com with SMTP id 46e09a7af769-7de75c9be4aso7692607a34.0 for ; Sun, 10 May 2026 14:02:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778446952; x=1779051752; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=tQFzIGJ6E8REtW8EJbiqWNpybEWzfPqgcYj9hEdNyVo=; b=FsjCRC6QGNx79EapvatwZUgKG/nPx/s/cwybupX352D4UENjlfQVVYa/HZ0UfzMZ0b kXkv/jJ5uCZRoFtqr7bmmRC1ocsRkUZK9HKXgqDHPvpVDpSo3eUUJQpMj8NIer0JyIae uYceNFgizjb8RhMinoZLOqoeKrfTRQS1IcpEABetktsDsT0QwrV5gPBxWHfHIk4XVByC y8eStWpfDeXUv/yt3cN0sm2UfHb0cHUVUbEOX7yXkOcr3HdsFhkUt+nbXOBOHlVi/tWJ XhK1+zciYQRQGjXUbDCGouwQF/ODoqVEqTqcYaUFu65XyQOuoTAVCCb5f1KiM3d9fPcY NW5Q== X-Forwarded-Encrypted: i=1; AFNElJ926QDDNY8qXJ9gJgHZSWFItuvpOS/P0kXGrXaiN6Q54+Vz2jwJ38lw4G/GiiqKR98gNFWy7us=@vger.kernel.org X-Gm-Message-State: AOJu0Ywt7PGryTZuI7I9eEZzPKNBo8KusSL8eS4KEIMr21AOnpu0YQn+ wxGqg/hkdYdBX2sSR1TNJoyoWFofp8cqLT40jtaRGJWvZjBLG4Pi2d5+BNE83k2nDY0k1WSNp1f A/Dc1XwHCgsZihReDgcjxhHsX2vOhoRbW9mpR/GuFBspB4rkl1q8szbkE+a0= Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2905:b0:696:924d:2956 with SMTP id 006d021491bc7-69998cc6047mr12641138eaf.14.1778446952588; Sun, 10 May 2026 14:02:32 -0700 (PDT) Date: Sun, 10 May 2026 14:02:32 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a00f268.170a0220.1c0296.021c.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in mac80211_hwsim_tx (2) 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: adc1e5c6203c Merge tag 'efi-fixes-for-v7.1-1' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1369cd06580000 kernel config: https://syzkaller.appspot.com/x/.config?x=59da38148f3a3d24 dashboard link: https://syzkaller.appspot.com/bug?extid=435fdb053cf98bfa5778 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/e1ec8b63537e/disk-adc1e5c6.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2030fc4d0035/vmlinux-adc1e5c6.xz kernel image: https://storage.googleapis.com/syzbot-assets/a50679f39f63/bzImage-adc1e5c6.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+435fdb053cf98bfa5778@syzkaller.appspotmail.com ------------[ cut here ]------------ sp->magic != HWSIM_STA_MAGIC WARNING: drivers/net/wireless/virtual/mac80211_hwsim.c:265 at hwsim_check_sta_magic drivers/net/wireless/virtual/mac80211_hwsim.c:265 [inline], CPU#1: syz.3.8603/32057 WARNING: drivers/net/wireless/virtual/mac80211_hwsim.c:265 at hwsim_check_sta_magic drivers/net/wireless/virtual/mac80211_hwsim.c:262 [inline], CPU#1: syz.3.8603/32057 WARNING: drivers/net/wireless/virtual/mac80211_hwsim.c:265 at mac80211_hwsim_tx+0x2085/0x2b10 drivers/net/wireless/virtual/mac80211_hwsim.c:2213, CPU#1: syz.3.8603/32057 Modules linked in: CPU: 1 UID: 0 PID: 32057 Comm: syz.3.8603 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:hwsim_check_sta_magic drivers/net/wireless/virtual/mac80211_hwsim.c:265 [inline] RIP: 0010:hwsim_check_sta_magic drivers/net/wireless/virtual/mac80211_hwsim.c:262 [inline] RIP: 0010:mac80211_hwsim_tx+0x2085/0x2b10 drivers/net/wireless/virtual/mac80211_hwsim.c:2213 Code: 44 24 20 e8 fd a6 dc fa 48 8d 3d a6 50 b8 09 48 8b 54 24 20 8b 74 24 30 89 d9 67 48 0f b9 3a e9 f7 ec ff ff e8 dc a6 dc fa 90 <0f> 0b 90 e9 a0 e3 ff ff e8 ce a6 dc fa 48 8d bb f1 07 00 00 48 b8 RSP: 0018:ffffc900040eeea0 EFLAGS: 00010283 RAX: 000000000000075e RBX: ffff888083a0eb78 RCX: ffffc90011de4000 RDX: 0000000000080000 RSI: ffffffff872bec44 RDI: ffff8880663e0000 RBP: 0000000000000000 R08: 0000000000000005 R09: 000000006d537749 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888067c460c0 R13: ffff888074694780 R14: ffff8880401231c0 R15: ffff888074694780 FS: 00007f439aedf6c0(0000) GS:ffff888124475000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000003540 CR3: 000000003994c000 CR4: 00000000003526f0 Call Trace: drv_tx net/mac80211/driver-ops.h:38 [inline] ieee80211_tx_frags+0x5c9/0xa70 net/mac80211/tx.c:1746 __ieee80211_tx+0x145/0x5b0 net/mac80211/tx.c:1801 ieee80211_tx+0x336/0x460 net/mac80211/tx.c:1984 ieee80211_xmit+0x30f/0x3e0 net/mac80211/tx.c:2076 __ieee80211_tx_skb_tid_band+0x2c2/0x720 net/mac80211/tx.c:6369 ieee80211_tx_skb_tid+0x1c1/0x550 net/mac80211/tx.c:6399 ieee80211_mgmt_tx+0x1326/0x2590 net/mac80211/offchannel.c:1029 rdev_mgmt_tx net/wireless/rdev-ops.h:767 [inline] cfg80211_mlme_mgmt_tx+0x803/0x1600 net/wireless/mlme.c:961 nl80211_tx_mgmt+0x9f9/0xf30 net/wireless/nl80211.c:14358 genl_family_rcv_msg_doit+0x214/0x300 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x560/0x800 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg net/socket.c:802 [inline] ____sys_sendmsg+0x9e1/0xb70 net/socket.c:2698 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2752 __sys_sendmsg+0x170/0x220 net/socket.c:2784 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4399f9cdd9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f439aedf028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f439a216090 RCX: 00007f4399f9cdd9 RDX: 0000000028004800 RSI: 0000200000003740 RDI: 0000000000000003 RBP: 00007f439a032d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f439a216128 R14: 00007f439a216090 R15: 00007ffff74f7008 --- 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