From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f205.google.com (mail-il1-f205.google.com [209.85.166.205]) (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 907F520485B for ; Thu, 17 Jul 2025 10:15:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.205 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752747341; cv=none; b=Rn24zriAGYqEk+wdKlUVtb00gfd07dItJvKZj4Op7alCA1Lq+OsrMlSI6WmnX/kvOV7BBoM3cEttNB+KhYlln1r6mbQhej8ZZoPO5jHi1dmEX4Pl7s2FPhDJk0BrH0kHI+8bIlBCIuOvJrrNFBj9NaziTMI4LYkQLPS0yHnHubY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752747341; c=relaxed/simple; bh=Kc2TiflgLD8XqwFilb4h7Wvy43ym10UjTuvpKR/YsOY=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=dSwxHyAK4sYMYI+pVezOMdxdojtKDTMfiCOtG63Vih2lQcvES5AiTRHw9qjQusc6F2vC8IgJAoj1QhvaOcgn5q8ZfK28gthtwdGg3mUhM60fTiqSn+zaIaRZejDc8AUuR4sOn7kS2pg011OWqXV3sD/mWwKp1MVNjO3CkPkZs40= 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=209.85.166.205 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-f205.google.com with SMTP id e9e14a558f8ab-3ddd03db21cso13816815ab.1 for ; Thu, 17 Jul 2025 03:15:39 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752747338; x=1753352138; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=jwf4VoVCorBa5FpP7xdG1geXYjAyuoZokukQ+KjAL6Y=; b=HtdZOd3RkHQXYi8J4t8Ybd65FtI5AiSOjO+a4kdzwtIDQaVdvN4c9DtYqO2x9tBZ3O ObtvQd10Si7QzI9It7t5cq1lNJhSdUcWcV87qNQV2hOjV52fYzGzbPv8XYmJz7L7ubAT aNPceP4FcYE1vtYzg42rD4ECfdcHQu7KbL4avAah8tUPCUbNEPA9eB7Gqk+X90HwFVbv twva+NmvSJIxhJSbA8ScVgfSIsfkxTBIoo29gYy7z8BjpQhKViMhfJux0mt1eRGO3gE7 IYnSP0RFC/efJyGiisDEpNUs0g3npu/X6X3cmIif1LpNUPFCGJSBarRh9BFWmoH3laLE z1vw== X-Forwarded-Encrypted: i=1; AJvYcCU9GByOyf4UiS2nvE666v4ynmjq21bfTFSDgHAPA2gHlKbjUz7evSRZVtKBLhE+pex1YBj6dzs=@vger.kernel.org X-Gm-Message-State: AOJu0YyygqCO4Uk2amPnjSmF8G0AU/nGUy5TKqTCxCLc5cV8WBqjJGIi GWOJi5lgWDI1Gv+4Wab0LlqP0bRrOAGuWOBKUZGOqw6/sevlkKu9CbUX6UTKkYGlQWr2AZkcEQu Nn87HTAXxRFprCrkCbO5FiOFJLZNso/XlqBWT7ewYfGxC8dUl1Qz2Stl7FHY= X-Google-Smtp-Source: AGHT+IFNF3LWrTamx8JPdOfhsYOFMQ83W3eg3F+nRozTOHBTiXIwVSVwi+Sy+8nc2ALbQwmhKr9sh9NXhcNglon3qck5mOSVh2IA Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:471a:b0:3df:154d:aa5b with SMTP id e9e14a558f8ab-3e2823a6c2amr71719005ab.5.1752747337872; Thu, 17 Jul 2025 03:15:37 -0700 (PDT) Date: Thu, 17 Jul 2025 03:15:37 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6878cd49.a70a0220.693ce.0044.GAE@google.com> Subject: [syzbot] [crypto?] BUG: unable to handle kernel paging request in ieee80211_wep_encrypt From: syzbot To: ardb@kernel.org, bp@alien8.de, dave.hansen@linux.intel.com, ebiggers@kernel.org, hpa@zytor.com, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 5e28d5a3f774 net/sched: sch_qfq: Fix race condition on qfq.. git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=146550f0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=b309c907eaab29da dashboard link: https://syzkaller.appspot.com/bug?extid=d1008c24929007591b6b compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/897daa1d604c/disk-5e28d5a3.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/0d5527eee75d/vmlinux-5e28d5a3.xz kernel image: https://storage.googleapis.com/syzbot-assets/31ee968efcd7/bzImage-5e28d5a3.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d1008c24929007591b6b@syzkaller.appspotmail.com BUG: unable to handle page fault for address: ffff8880bfffd000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 1a201067 P4D 1a201067 PUD 23ffff067 PMD 23fffe067 PTE 0 Oops: Oops: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 8097 Comm: syz.1.594 Not tainted 6.16.0-rc5-syzkaller-00183-g5e28d5a3f774 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:crc32_lsb_pclmul_sse+0x8f/0x220 arch/x86/lib/crc32-pclmul.S:6 Code: 0f 3a 44 c7 11 66 0f ef ec 66 0f ef c5 f3 0f 6f 66 10 66 0f 6f e9 66 0f 3a 44 ef 00 66 0f 3a 44 cf 11 66 0f ef ec 66 0f ef cd 0f 6f 66 20 66 0f 6f ea 66 0f 3a 44 ef 00 66 0f 3a 44 d7 11 66 RSP: 0018:ffffc9001bcae6f8 EFLAGS: 00010296 RAX: e4cc01b02de40500 RBX: fffffffffffffffe RCX: ffffffff8be53dc0 RDX: ffffffff7301ca7e RSI: ffff8880bfffcfde RDI: 00000000ffffffff RBP: 00000000ffffffff R08: ffff88801cb09e07 R09: 1ffff110039613c0 R10: dffffc0000000000 R11: ffffed10039613c1 R12: fffffffffffffffe R13: ffff888033019a5e R14: ffff888033019a5e R15: ffff888067eeec80 FS: 00007f4779be36c0(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880bfffd000 CR3: 00000000671a8000 CR4: 00000000003526f0 Call Trace: crc32_le_arch+0x56/0xa0 arch/x86/lib/crc32.c:21 crc32_le include/linux/crc32.h:18 [inline] ieee80211_wep_encrypt_data net/mac80211/wep.c:114 [inline] ieee80211_wep_encrypt+0x228/0x410 net/mac80211/wep.c:158 wep_encrypt_skb net/mac80211/wep.c:277 [inline] ieee80211_crypto_wep_encrypt+0x1f6/0x320 net/mac80211/wep.c:300 invoke_tx_handlers_late+0x1145/0x1820 net/mac80211/tx.c:1846 ieee80211_tx_dequeue+0x3068/0x4340 net/mac80211/tx.c:3916 wake_tx_push_queue net/mac80211/util.c:294 [inline] ieee80211_handle_wake_tx_queue+0x125/0x2a0 net/mac80211/util.c:315 drv_wake_tx_queue net/mac80211/driver-ops.h:1367 [inline] schedule_and_wake_txq net/mac80211/driver-ops.h:1374 [inline] ieee80211_queue_skb+0x19e8/0x2180 net/mac80211/tx.c:1648 ieee80211_tx+0x297/0x420 net/mac80211/tx.c:1951 __ieee80211_tx_skb_tid_band+0x50f/0x680 net/mac80211/tx.c:6103 ieee80211_tx_skb_tid+0x266/0x420 net/mac80211/tx.c:6131 ieee80211_mgmt_tx+0x1c25/0x21d0 net/mac80211/offchannel.c:1023 rdev_mgmt_tx net/wireless/rdev-ops.h:762 [inline] cfg80211_mlme_mgmt_tx+0x7f2/0x1620 net/wireless/mlme.c:938 nl80211_tx_mgmt+0x9fd/0xd50 net/wireless/nl80211.c:12921 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x205/0x470 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+0x75c/0x8e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:727 ____sys_sendmsg+0x505/0x830 net/socket.c:2566 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620 __sys_sendmsg net/socket.c:2652 [inline] __do_sys_sendmsg net/socket.c:2657 [inline] __se_sys_sendmsg net/socket.c:2655 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4778d8e929 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:00007f4779be3038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f4778fb6080 RCX: 00007f4778d8e929 RDX: 0000000024008080 RSI: 0000200000000c00 RDI: 0000000000000005 RBP: 00007f4778e10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4778fb6080 R15: 00007ffff7e551c8 Modules linked in: CR2: ffff8880bfffd000 ---[ end trace 0000000000000000 ]--- RIP: 0010:crc32_lsb_pclmul_sse+0x8f/0x220 arch/x86/lib/crc32-pclmul.S:6 Code: 0f 3a 44 c7 11 66 0f ef ec 66 0f ef c5 f3 0f 6f 66 10 66 0f 6f e9 66 0f 3a 44 ef 00 66 0f 3a 44 cf 11 66 0f ef ec 66 0f ef cd 0f 6f 66 20 66 0f 6f ea 66 0f 3a 44 ef 00 66 0f 3a 44 d7 11 66 RSP: 0018:ffffc9001bcae6f8 EFLAGS: 00010296 RAX: e4cc01b02de40500 RBX: fffffffffffffffe RCX: ffffffff8be53dc0 RDX: ffffffff7301ca7e RSI: ffff8880bfffcfde RDI: 00000000ffffffff RBP: 00000000ffffffff R08: ffff88801cb09e07 R09: 1ffff110039613c0 R10: dffffc0000000000 R11: ffffed10039613c1 R12: fffffffffffffffe R13: ffff888033019a5e R14: ffff888033019a5e R15: ffff888067eeec80 FS: 00007f4779be36c0(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880bfffd000 CR3: 00000000671a8000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 3a 44 c7 11 cmp 0x11(%rdi,%rax,8),%al 4: 66 0f ef ec pxor %xmm4,%xmm5 8: 66 0f ef c5 pxor %xmm5,%xmm0 c: f3 0f 6f 66 10 movdqu 0x10(%rsi),%xmm4 11: 66 0f 6f e9 movdqa %xmm1,%xmm5 15: 66 0f 3a 44 ef 00 pclmullqlqdq %xmm7,%xmm5 1b: 66 0f 3a 44 cf 11 pclmulhqhqdq %xmm7,%xmm1 21: 66 0f ef ec pxor %xmm4,%xmm5 25: 66 0f ef cd pxor %xmm5,%xmm1 * 29: f3 0f 6f 66 20 movdqu 0x20(%rsi),%xmm4 <-- trapping instruction 2e: 66 0f 6f ea movdqa %xmm2,%xmm5 32: 66 0f 3a 44 ef 00 pclmullqlqdq %xmm7,%xmm5 38: 66 0f 3a 44 d7 11 pclmulhqhqdq %xmm7,%xmm2 3e: 66 data16 --- 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