From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f206.google.com (mail-il1-f206.google.com [209.85.166.206]) (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 C998C335C7 for ; Tue, 17 Jun 2025 02:32:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750127551; cv=none; b=hUCr89ayWCqKAkdXrdoXysff1CAWiNproPZI6oBw+zS3JrC0AxSfFpO3W2drivLzAZxYe3Rhski47BSuoEk6fz0OGrunLY8sey+b6t/4zLANJO54IsS3NI5bYwvEnXm2stZcVaDlUt/5Lvg6U5+8/qf41hjLpAfGnNBtWhcvzxQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750127551; c=relaxed/simple; bh=h4q1rdV/jvVwTNYLtRk4eAkzcqF8Q9upnPzV7KCRXuM=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Z5JeEwXMX3Bp/2BbUA/OlaD1KQR03VPLou/gyQyCCvzRRg5503aG8gfnMUlLTAmn2qRWobmZTeoXhA99cOS8noclSqExJkLHjf6NmWL14GdRgBbcd7TYPQkCsTaiiGqB6POqGhGDqa2nmcVgJp07eFVQAhIG88qm+Qo82w1cag4= 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=209.85.166.206 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-f206.google.com with SMTP id e9e14a558f8ab-3ddc6d66787so71820845ab.3 for ; Mon, 16 Jun 2025 19:32:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750127549; x=1750732349; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=2kFs6ehQrsbeV5OtP9QYHlGeA6LyGbaav1qAD3QYV/E=; b=IWorEp8SlnDrDvJUxrFHJ33knwotZHMZWr4CX2FkpwZjpO458SJPNpbhL6pxFLIr8q gRBhYaNqgm+9ni4ww3vz53anF7p77eJcBCsElcJ6MVvyjRmcWBto+BGerSeOxcF9IPH9 vsZRHuhdXoAk8FIWS+5Uz7S16fBsYPh/ZnZq5tbIbqrgljONuTYoPZjtsFS2mlaAVxmF xicQJssZpxs3yBRt1zZx0rtcVM7fdeFR8tzAZalQAigimF02eVfb+5vhaLcLesIIhgl9 /m7+WDER58KioMdEE+6mCpq5nVrKMncKoU6B3THK4j45FuhBhhIINMVWpq33KGNCTMAN cSKg== X-Forwarded-Encrypted: i=1; AJvYcCUIpC29W7J2BSnxvAguDeUyDi7bp8TIbTj5PKwUX9K1nfvxTVpC9fdUzPyfKnkDv8lFYAjPyKA=@vger.kernel.org X-Gm-Message-State: AOJu0Yzr5O8xbpGOme7BA3sxX2HlmvHTTm4fOJvKbYyOI4lJmkH0AJeW fvVx8ED4nda6/EEU8auKUj3NJr3ZUPhXuuAYebj6IUm3Mt5JWOSNoBV7HgPslBhkHDXJRJ19VFd GLIwqByMaQf9EjA0lT37Ty1M9xjTl5SAga5R3t4x590gob9goczijzuXG3lw= X-Google-Smtp-Source: AGHT+IGojPqlwd05Ofb94SwCCl6PaTM0bN7hniK2siRdvVj6Tbgu9X+chhmupx/zHOzGW4YUeA41zt3BbVmujP3nhoOv+1667f7c Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a2b:b0:3dd:d746:25eb with SMTP id e9e14a558f8ab-3de07cd170amr127784865ab.16.1750127549067; Mon, 16 Jun 2025 19:32:29 -0700 (PDT) Date: Mon, 16 Jun 2025 19:32:29 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6850d3bd.a70a0220.395abc.01fa.GAE@google.com> Subject: [syzbot] [wireless?] WARNING: net/mac80211/tx.c:LINE at __ieee80211_beacon_get, CPU: syz.NUM.NUM/NUM 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: 050f8ad7b58d Add linux-next specific files for 20250616 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=125e190c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d2efc7740224b93a dashboard link: https://syzkaller.appspot.com/bug?extid=468656785707b0e995df compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/49faa18d2f53/disk-050f8ad7.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/7c6f9cd7fe5d/vmlinux-050f8ad7.xz kernel image: https://storage.googleapis.com/syzbot-assets/84a08d6403ee/bzImage-050f8ad7.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+468656785707b0e995df@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: net/mac80211/tx.c:5024 at __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline], CPU#1: syz.4.243/6807 WARNING: net/mac80211/tx.c:5024 at __ieee80211_beacon_get+0x125d/0x1630 net/mac80211/tx.c:5453, CPU#1: syz.4.243/6807 Modules linked in: CPU: 1 UID: 0 PID: 6807 Comm: syz.4.243 Not tainted 6.16.0-rc2-next-20250616-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline] RIP: 0010:__ieee80211_beacon_get+0x125d/0x1630 net/mac80211/tx.c:5453 Code: e7 e8 27 f2 2f f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 78 fe ff ff e8 92 bf d6 f6 90 0f 0b 90 e9 e0 f7 ff ff e8 84 bf d6 f6 90 <0f> 0b 90 e9 38 fb ff ff e8 76 bf d6 f6 48 c7 c7 a0 5c 79 8f 4c 89 RSP: 0018:ffffc90000a089f8 EFLAGS: 00010246 RAX: ffffffff8ae9aaac RBX: ffffffff8ae99886 RCX: ffff888025e8da00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff888025e8da00 R09: 0000000000000003 R10: 0000000000000007 R11: 0000000000000100 R12: ffff888058976500 R13: dffffc0000000000 R14: ffff8880589769d0 R15: ffff888032955024 FS: 00007fbd84f5b6c0(0000) GS:ffff888125d40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555570bf35c8 CR3: 000000002eed6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5580 ieee80211_beacon_get include/net/mac80211.h:5638 [inline] mac80211_hwsim_beacon_tx+0x3ce/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2319 __iterate_interfaces+0x2a8/0x590 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xbb/0x1c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2353 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x529/0xc60 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842 handle_softirqs+0x283/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:finish_wait+0x5/0x1f0 kernel/sched/wait.c:358 Code: 0f 1e fa 44 89 ef e8 7a 68 f5 ff eb 96 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 <41> 57 41 56 41 55 41 54 53 48 83 ec 10 48 89 f3 49 89 fd 48 bd 00 RSP: 0018:ffffc9001bccf5f0 EFLAGS: 00000246 RAX: 7fffffffffffffff RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffc9001bccf640 RDI: ffff888028058700 RBP: ffffc9001bccf6f0 R08: ffffffff8fa14ff7 R09: 1ffffffff1f429fe R10: dffffc0000000000 R11: fffffbfff1f429ff R12: ffff888028058700 R13: ffffc9001bccf640 R14: 1ffff92003799ec4 R15: 7fffffffffffffff unix_wait_for_peer+0x22f/0x2e0 net/unix/af_unix.c:1587 unix_dgram_sendmsg+0xb1f/0x1870 net/unix/af_unix.c:2188 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:727 ____sys_sendmsg+0x52d/0x830 net/socket.c:2566 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620 __sys_sendmmsg+0x227/0x430 net/socket.c:2709 __do_sys_sendmmsg net/socket.c:2736 [inline] __se_sys_sendmmsg net/socket.c:2733 [inline] __x64_sys_sendmmsg+0xa0/0xc0 net/socket.c:2733 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: 0033:0x7fbd8418e929 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:00007fbd84f5b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fbd843b5fa0 RCX: 00007fbd8418e929 RDX: 0400000000000041 RSI: 0000200000000000 RDI: 0000000000000005 RBP: 00007fbd84210b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbd843b5fa0 R15: 00007ffe98cac8e8 ---------------- Code disassembly (best guess): 0: 0f 1e fa nop %edx 3: 44 89 ef mov %r13d,%edi 6: e8 7a 68 f5 ff call 0xfff56885 b: eb 96 jmp 0xffffffa3 d: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 14: 00 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: f3 0f 1e fa endbr64 29: 55 push %rbp * 2a: 41 57 push %r15 <-- trapping instruction 2c: 41 56 push %r14 2e: 41 55 push %r13 30: 41 54 push %r12 32: 53 push %rbx 33: 48 83 ec 10 sub $0x10,%rsp 37: 48 89 f3 mov %rsi,%rbx 3a: 49 89 fd mov %rdi,%r13 3d: 48 rex.W 3e: bd .byte 0xbd --- 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