From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f78.google.com (mail-ot1-f78.google.com [209.85.210.78]) (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 8620942050 for ; Fri, 7 Aug 2026 00:01:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.78 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786060896; cv=none; b=TbzSXCtxAzM+1tvqkJ9qtSBYHbfwufFXJth8ETKWAb8d3X0+ODDve1IK6n+hXqzqj6gtRc02htmej9DCqHfOMSrypmCrU/m0g3c8TlSXDc7GB9+TIrFWX1z4uc3WTXpFZ1eYHxBl4XsRMHEpZ6BBeFdGCh1Iyj0kPEGeAYwVcGQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786060896; c=relaxed/simple; bh=1bJWVyeZnRuOuHntp7+lTeu0y4ITdPXkHSJVDH6DNUk=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=DJnMd7eMMWfSN2oCDINhU78pN+e778O14sPbYznvLqSlcbaKBAiwZHW7ZGWIy88xrjf8Ud6bL9SVCp2VjIT0XBoDxbALxF21NJfvw9u1BC95pCp2O01H/f5MwHeAtLr7LZmcSwX1CVu9OtGEuukIbWbmbX/tK457v7vdBoZGT7A= 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=209.85.210.78 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-f78.google.com with SMTP id 46e09a7af769-7eb64224fd2so4261239a34.0 for ; Thu, 06 Aug 2026 17:01:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786060893; x=1786665693; 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=JhlxfeYKuuhGGTKptt6/0FUkLSlB4juTWmeosV4wFr8=; b=PTbfrDetCB/RSuT0bp4B+DqJs+6jDkbNB3dhsy0kQ0CMj5ouGfKkh6dx63G+5iheSU gynP2fAdMV8SRDn2PpDiqaBkoKSZENC1f+QqQJ5lFCi4+TCQrFoH0cSirxP7ZV78V2dR 8YhXLNgmPh34BoTavZFZv/LTMgDrz8XU1oAqn5okeXz9uLvcCXel7zeye33IOIXjKos6 vC2l2qgw/Wd0JB1aiO0R8gY4aTOt76c7th8rCZ3J2/uRxWWY2m1BuVCryj1tua03vdNJ I0TxuRVHa9zx3yrgIBpz0VLC888BFd3x9dDeeNbG4qgcFHMl7cq11OO5jK9Nyc9gHht+ nfrA== X-Forwarded-Encrypted: i=1; AHgh+RpDhhoghnQQmo66z00QtKt4YCkyTa8yMF3ItzbahUtna/6IqgxLY0hxHBINtvc2yVPhRsnrSHQMWNoTviY=@vger.kernel.org X-Gm-Message-State: AOJu0Yxs1byMrmAvlJx0nmwk/o0EO6vXF6kRwHO9HrMObjfC4sRbwGS3 qtC6PTispJu1KVr9tcm2GP07LMjNpq0rs73ssirnG1POOkHy1lz/mxcv1HJ6c43Pie4C1qA01v2 xZyMgt3cMHi+U3DOruoHrPXZ+y+C9nyhVqcr5LhsifnnxnpTkV91a8uYQbsg= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:ee0a:0:b0:6ae:6f38:dac with SMTP id 006d021491bc7-6ae96c8490emr9917601eaf.10.1786060893028; Thu, 06 Aug 2026 17:01:33 -0700 (PDT) Date: Thu, 06 Aug 2026 17:01:33 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a75205d.01d0871a.3a0d52.0034.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in cfg80211_wext_siwrate 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: 31a420a822ff bpf: Check sk_state before sk_protocol in bpf.. git tree: bpf console output: https://syzkaller.appspot.com/x/log.txt?x=14370132580000 kernel config: https://syzkaller.appspot.com/x/.config?x=4e38b15c29e6a1d9 dashboard link: https://syzkaller.appspot.com/bug?extid=af177aa139efdd13a9da 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/180a2e05da8a/disk-31a420a8.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/7e4b97c130ad/vmlinux-31a420a8.xz kernel image: https://storage.googleapis.com/syzbot-assets/589c3b9f04af/bzImage-31a420a8.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+af177aa139efdd13a9da@syzkaller.appspotmail.com ------------[ cut here ]------------ wlan1: 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#1: syz.1.7134/31079 WARNING: net/mac80211/driver-ops.h:884 at ieee80211_set_bitrate_mask+0x1034/0x1320 net/mac80211/cfg.c:4134, CPU#1: syz.1.7134/31079 Modules linked in: CPU: 1 UID: 0 PID: 31079 Comm: syz.1.7134 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 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:4134 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 ad 3b 82 f6 90 0f 0b 90 e9 41 fe RSP: 0018:ffffc90004457778 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff11006ac0325 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff888035600120 RDI: ffffffff9069c4f0 RBP: ffff888035600120 R08: ffff888069d60faf R09: 1ffff1100d3ac1f5 R10: dffffc0000000000 R11: ffffed100d3ac1f6 R12: ffff888069d60740 R13: ffffffff9069c4f0 R14: ffff888035601938 R15: ffff888035601928 FS: 00007f1ff74ce6c0(0000) GS:ffff888125050000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f81aff8 CR3: 000000007c55c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: rdev_set_bitrate_mask net/wireless/rdev-ops.h:683 [inline] cfg80211_wext_siwrate+0x78d/0x9d0 net/wireless/wext-compat.c:1238 ioctl_standard_call+0xc5/0x160 net/wireless/wext-core.c:1042 wireless_process_ioctl net/wireless/wext-core.c:-1 [inline] wext_ioctl_dispatch+0xee/0x410 net/wireless/wext-core.c:1013 wext_handle_ioctl+0x110/0x1d0 net/wireless/wext-core.c:1074 sock_ioctl+0x159/0x7e0 net/socket.c:1353 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 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: 0033:0x7f1ff659e0d9 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:00007f1ff74ce028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1ff6825fa0 RCX: 00007f1ff659e0d9 RDX: 0000200000000040 RSI: 0000000000008b20 RDI: 0000000000000008 RBP: 00007f1ff6635024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1ff6826038 R14: 00007f1ff6825fa0 R15: 00007ffebb92fee8 ---------------- 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 ad 3b 82 f6 call 0xf6823be6 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