From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f80.google.com (mail-oa1-f80.google.com [209.85.160.80]) (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 068193C378D for ; Fri, 24 Jul 2026 21:56:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784930204; cv=none; b=KL0Nmk3BiwXSogaAiqgHqbfITuu9Ps7SgACfXb2YmJtf/u2VSagyYQFGWyLHSUL25YoL3fCCPTi1HegANh/6Y/jyWOdBaHDpbPRefEY6+LSdXfSKDlkKyk9l4gAvhiS7SaXMualc7Qgpj/a5aU/J1pELAgj+qA8VDJlhaI293so= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784930204; c=relaxed/simple; bh=4c1v2gKPJxoxMfqQsm1l2KpljohrD/R5BLwT+y9B9P0=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Jmt8m5rDnzn3NZDXHd+aRbkJ6AlUgLwxAJE5LvVBFjQ4jSyL1ipY+nvz4S0ES5gMEy/uDTUpPFZAij22s3Zk9+PY2R+1ksC2fIQdeYVc3UbPE5eSCRLhBZ2K02UmcsMPTgx/kGfBz/ycd+kM/bfi7A3k1PX2BSo4icW5WGJ25wg= 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=209.85.160.80 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-oa1-f80.google.com with SMTP id 586e51a60fabf-45134682038so395438fac.0 for ; Fri, 24 Jul 2026 14:56:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784930199; x=1785534999; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=QjVWOREysRIlXu+WlAK/dydMJtIiJmW7TsOBc9IpceY=; b=IEY+4uLGMtcKaBnGQ6ZO8RJ5ctLI84OKTZRZhhf1K51afLcTlirtwtxQyAxZXtqk+7 FfR/x0iUwvd+YLCsFQva1oX81/QPho+QxuJy07KkXYZC6G6xohOQpRVM/aVGvs80wNmB BzThEdOEtwvRYLwSZOfXYeLFBenXqn9qj5saFzbFsvme9U69foLJ79dZ62FM6Bj4AIpR 96Y8M7W5627HfF99KL93tSBC2sQ+oSEKwB+F1vVQp7+WZAgXBjMKrZFyf2vd6xtihxR2 EkSJ08h+jo8zsR6Gloi3OhCLTFFuR0yicyO652ZRIL6gI5C3264SYLfjSX2FR817DHjH 2gNA== X-Forwarded-Encrypted: i=1; AHgh+RpC2Ja3on2Ar+puXGg5QrE4+7f/klGWmk7vTxgsV8sYG/iSGN4WMZXDz4eMTLBjKqOEwWJtSMo=@vger.kernel.org X-Gm-Message-State: AOJu0YwSMPPPRjf02s4QJ5PbG1u6hH7NUlcHF1xV3f2P5AAj5BcCenkS HGrwqyvwTC7ibU2HTJTnafYp6ytd2lIErPcR5V6W3kLotybA+rwfyFcsJnUCr9rqjc+0c93+Uos o5MvfQV55FFNqkhw50yGT4OvebgAlhFPjzrGak4F6UVJOAukblDlajD0GGrU= Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:6b47:b0:492:9376:433a with SMTP id 5614622812f47-4ab6a1866c8mr239316b6e.37.1784930199449; Fri, 24 Jul 2026 14:56:39 -0700 (PDT) Date: Fri, 24 Jul 2026 14:56:39 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a63df97.a2ea2cc8.fbad6.000a.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in nl80211_set_tx_bitrate_mask 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: e13caf1c2658 Merge tag 'net-7.2-rc4' of git://git.kernel.o.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=12e732b9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=5c4196ba0e33631d dashboard link: https://syzkaller.appspot.com/bug?extid=dcaca020ca8377e7ced0 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/b71ec6e89047/disk-e13caf1c.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e865a2cae4e9/vmlinux-e13caf1c.xz kernel image: https://storage.googleapis.com/syzbot-assets/1cd52838b32f/bzImage-e13caf1c.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+dcaca020ca8377e7ced0@syzkaller.appspotmail.com ------------[ cut here ]------------ wlan0: Failed check-sdata-in-driver check, flags: 0x0 WARNING: net/mac80211/driver-ops.h:884 at drv_set_bitrate_mask net/mac80211/driver-ops.h:884 [inline], CPU#0: syz.3.1244/10657 WARNING: net/mac80211/driver-ops.h:884 at ieee80211_set_bitrate_mask+0x1034/0x1320 net/mac80211/cfg.c:4131, CPU#0: syz.3.1244/10657 Modules linked in: CPU: 0 UID: 0 PID: 10657 Comm: syz.3.1244 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 RIP: 0010:drv_set_bitrate_mask net/mac80211/driver-ops.h:884 [inline] RIP: 0010:ieee80211_set_bitrate_mask+0x1084/0x1320 net/mac80211/cfg.c:4131 Code: 20 01 00 00 48 85 c0 49 0f 44 ee 48 b8 00 00 00 00 00 fc ff df 0f b6 04 03 84 c0 0f 85 3b 01 00 00 41 8b 17 4c 89 ef 48 89 ee <67> 48 0f b9 3a e9 c3 fd ff ff e8 fd a2 82 f6 90 0f 0b 90 e9 41 fe RSP: 0018:ffffc90005adeff8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff1100ac7fb25 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff8880563fc120 RDI: ffffffff9069bb20 RBP: ffff8880563fc120 R08: ffff8880527d0faf R09: 1ffff1100a4fa1f5 R10: dffffc0000000000 R11: ffffed100a4fa1f6 R12: ffff8880527d0740 R13: ffffffff9069bb20 R14: ffff8880563fd938 R15: ffff8880563fd928 FS: 00007f230a4956c0(0000) GS:ffff888124f54000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f340e3fe9b0 CR3: 00000000590f6000 CR4: 00000000003526f0 Call Trace: rdev_set_bitrate_mask net/wireless/rdev-ops.h:683 [inline] nl80211_set_tx_bitrate_mask+0x30b/0x4f0 net/wireless/nl80211.c:14541 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775 __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2684 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738 __sys_sendmsg net/socket.c:2770 [inline] __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f230959de99 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:00007f230a495028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2309825fa0 RCX: 00007f230959de99 RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000005 RBP: 00007f2309633eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2309826038 R14: 00007f2309825fa0 R15: 00007ffc28746ce8 ---------------- Code disassembly (best guess): 0: 20 01 and %al,(%rcx) 2: 00 00 add %al,(%rax) 4: 48 85 c0 test %rax,%rax 7: 49 0f 44 ee cmove %r14,%rbp b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 12: fc ff df 15: 0f b6 04 03 movzbl (%rbx,%rax,1),%eax 19: 84 c0 test %al,%al 1b: 0f 85 3b 01 00 00 jne 0x15c 21: 41 8b 17 mov (%r15),%edx 24: 4c 89 ef mov %r13,%rdi 27: 48 89 ee mov %rbp,%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 c3 fd ff ff jmp 0xfffffdf7 34: e8 fd a2 82 f6 call 0xf682a336 39: 90 nop 3a: 0f 0b ud2 3c: 90 nop 3d: e9 .byte 0xe9 3e: 41 rex.B 3f: fe .byte 0xfe --- 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