From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f197.google.com (mail-oi1-f197.google.com [209.85.167.197]) (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 60A3B1D47AC for ; Sun, 6 Sep 2026 06:23:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788675825; cv=none; b=Zk3OTUVsWJQ9AYWQmzzfvtUr73Dj6/6KTS1zroH6KzBox9a1YK4r3mGELWf/H5wuEGKptvUmdEf2w+1AeUD9lY92xmwxJ16FGpMcbNoeP0vrm4eEykkw4qxXIbQoJo0c5fRFcmzRLwqIMPh12rPEIVX51lP9CqRV19TMwWOZImw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788675825; c=relaxed/simple; bh=48BftR2fV0rA8IpaJEaptkIppidijhLu+FVBM6mRE6s=; h=MIME-Version:Date:Message-ID:Subject:From:To:Cc:Content-Type; b=SimppPko4+rwrzpWGnTZpytGZWI6NUuKgI1Gmf2wkN6Z730fw2XuoVWkbPyi4Ez1ql9LH7tFDqHrs+OeHgwR0368vJOvyxeIWhDcrUzNxNdcA8ayJNzTBQ8BiwbhuQuRKLOuOT/g6ve9B864Ls5arK3Wg39QRwR1iuyzhwgcNYc= 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=209.85.167.197 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-oi1-f197.google.com with SMTP id 5614622812f47-49aa4525b82so3159357b6e.1 for ; Sat, 05 Sep 2026 23:23:43 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788675822; x=1789280622; h=content-type:cc:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=LHpDhyEdk8/cZQUpYA+1TwV7nzFO0R408edrFsF6GwA=; b=VgTAynnaUFPu+LIk6ydzjVrCoHg3jTcGxttPxKU4scORz+/y3MpC1qJbSyBJZfIonY wFrugQLByAiPeqttPMCcytacDWN05HuW2CaXqNP4BSBJRuyBmIlkw14nov7+u/eeIEWU RtN4wS1yE/xtjoHMRchhSRBpPPG2egHJsCrccmQ8WP0mQGPViekwPaXoL0aD+swZnXeZ LkmbDodct5leOh3QNsgYC4N9mteHJrIq95o320R8IGSv/Gp4+bBWLHtSQYhXlCqzOnYI qyy/TR4yMkBni2mc2zC8ObXqskvDDhcGyXwsFe8Va6qQ0xSz/IKQYKC9OgNJ+mGWr96s O08w== X-Gm-Message-State: AFuF++nTff4KoNAgxjRrjKjfWulUHmSMGRmVCDrPBnENQ1fFumULLqi5 XFHXlSE6sigHlS9PSoITFmF+4pYwxpESMzrLKpSu+uN8hH9eHvoLgEA7/UNxTGLMHJW+zNdxXhf aHU8VmatI/MjWspBTvupv4q/P2lBj2+OM/EakOz07SZ7TP26NJQs0HkQ0vwk= Precedence: bulk X-Mailing-List: syzbot@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2211:b0:6b7:46fa:169c with SMTP id 006d021491bc7-6b746fa1a60mr9020722eaf.49.1788675822309; Sat, 05 Sep 2026 23:23:42 -0700 (PDT) Date: Sat, 05 Sep 2026 23:23:42 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a9d06ee.a5e650b3.26d8a.0015.GAE@google.com> Subject: [moderation/CI] Re: wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping From: syzbot ci To: syzkaller-upstream-moderation@googlegroups.com Cc: syzbot@lists.linux.dev Content-Type: text/plain; charset="UTF-8" syzbot ci has tested the following series [v1] wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping https://lore.kernel.org/all/20260904170140.5f69a10d606b.I4a7921d00643f69e439c7a3b221d104f66a3dcdc@changeid * [PATCH wireless] wifi: mac80211_hwsim: don't hand frames to mac80211 while stopping and found the following issue: BUG: unable to handle kernel paging request in hwsim_cloned_frame_received_nl Full report is available here: https://ci.syzbot.org/series/219738fc-ed0e-47c8-8100-a5940fbc20b7 *** BUG: unable to handle kernel paging request in hwsim_cloned_frame_received_nl tree: wireless-next URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/wireless/wireless-next.git base: 1b60ed34f712e9f606d80951f1586f4274ebadf1 arch: amd64 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 config: https://ci.syzbot.org/builds/f0e5a89a-2d3b-4813-b1a1-01cf1b6e2ce4/config syz repro: https://ci.syzbot.org/findings/457734e4-6b31-48a4-9aa6-ac6a4c6d65ee/syz_repro BUG: unable to handle page fault for address: 00000000000048d0 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 10ab48067 P4D 10ab48067 PUD 0 Oops: Oops: 0000 [#1] SMP KASAN NOPTI CPU: 1 UID: 0 PID: 5793 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:lock_release+0x85/0x3c0 kernel/locking/lockdep.c:5923 Code: 84 26 02 00 00 65 8b 05 71 68 f1 11 85 c0 0f 85 17 02 00 00 65 4c 8b 3d b1 23 f1 11 41 83 bf a4 0b 00 00 00 0f 85 01 02 00 00 <49> 81 3e e0 24 56 94 0f 84 f4 01 00 00 9c 5b fa 48 c7 c7 60 f2 48 RSP: 0018:ffffc900036ef418 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000004870 RCX: 8000000000000001 RDX: 0000000000000000 RSI: ffffffff8c6d9460 RDI: ffffffff8c6d9420 RBP: ffffc900036ef570 R08: ffffc900036ef60f R09: 0000000000000000 R10: ffffc900036ef5e0 R11: fffff520006ddec2 R12: ffff888171777aa4 R13: ffffffff873ae393 R14: 00000000000048d0 R15: ffff88810ccca580 FS: 00007fe9e40d46c0(0000) GS:ffff8882a8cd9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000048d0 CR3: 0000000113f11000 CR4: 0000000000352ef0 Call Trace: __mutex_unlock_slowpath+0x88/0x900 kernel/locking/mutex.c:989 hwsim_cloned_frame_received_nl+0x363/0xcf0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:6607 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+0x7bd/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:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe9e315e98e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007fe9e40d2ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fe9e40d46c0 RCX: 00007fe9e315e98e RDX: 0000000000000034 RSI: 00007fe9e40d2fe0 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007fe9e40d2f24 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fe9e40d2fe0 R15: 0000000000000000 Modules linked in: CR2: 00000000000048d0 ---[ end trace 0000000000000000 ]--- RIP: 0010:lock_release+0x85/0x3c0 kernel/locking/lockdep.c:5923 Code: 84 26 02 00 00 65 8b 05 71 68 f1 11 85 c0 0f 85 17 02 00 00 65 4c 8b 3d b1 23 f1 11 41 83 bf a4 0b 00 00 00 0f 85 01 02 00 00 <49> 81 3e e0 24 56 94 0f 84 f4 01 00 00 9c 5b fa 48 c7 c7 60 f2 48 RSP: 0018:ffffc900036ef418 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000004870 RCX: 8000000000000001 RDX: 0000000000000000 RSI: ffffffff8c6d9460 RDI: ffffffff8c6d9420 RBP: ffffc900036ef570 R08: ffffc900036ef60f R09: 0000000000000000 R10: ffffc900036ef5e0 R11: fffff520006ddec2 R12: ffff888171777aa4 R13: ffffffff873ae393 R14: 00000000000048d0 R15: ffff88810ccca580 FS: 00007fe9e40d46c0(0000) GS:ffff8882a8cd9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000048d0 CR3: 0000000113f11000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: 84 26 test %ah,(%rsi) 2: 02 00 add (%rax),%al 4: 00 65 8b add %ah,-0x75(%rbp) 7: 05 71 68 f1 11 add $0x11f16871,%eax c: 85 c0 test %eax,%eax e: 0f 85 17 02 00 00 jne 0x22b 14: 65 4c 8b 3d b1 23 f1 mov %gs:0x11f123b1(%rip),%r15 # 0x11f123cd 1b: 11 1c: 41 83 bf a4 0b 00 00 cmpl $0x0,0xba4(%r15) 23: 00 24: 0f 85 01 02 00 00 jne 0x22b * 2a: 49 81 3e e0 24 56 94 cmpq $0xffffffff945624e0,(%r14) <-- trapping instruction 31: 0f 84 f4 01 00 00 je 0x22b 37: 9c pushf 38: 5b pop %rbx 39: fa cli 3a: 48 rex.W 3b: c7 .byte 0xc7 3c: c7 (bad) 3d: 60 (bad) 3e: f2 repnz 3f: 48 rex.W *** If these findings have caused you to resend the series or submit a separate fix, please add the following tag to your commit message: Tested-by: syzbot@syzkaller.appspotmail.com --- This report is generated by a bot. It may contain errors. syzbot ci engineers can be reached at syzkaller@googlegroups.com. To test a fix for this bug, please reply with `#syz test` (on a separate line) and attach the patch to the email. Notes: - The patch will be applied on top of the tested series (as an incremental fix). - To test a new version of the whole series, please send it directly to syzbot@lists.linux.dev. - Arguments like custom git repos and branches are not supported. The email will later be sent to: [johannes.berg@intel.com johannes@sipsolutions.net linux-wireless@vger.kernel.org syzbot@syzkaller.appspotmail.com] If the report looks fine to you, reply with: #syz upstream If the report is a false positive, reply with #syz invalid