From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (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 73941139CF7 for ; Sun, 26 May 2024 20:55:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716756931; cv=none; b=gXUVVVTs8EdMEkJ2uGed20VGft+QCc1jQtrzQQ3CNKJFRgqAPv0fSjMszgs3o5Gh3CmLUV+Y5D775g+wLNwDgDoWHj2B3UjTD6zwXuOK8U1YKIxtsRoUSyJMBxA3AeO85bLDCzM2IfBp4A9k9ZZ8bQpr7ioE/quZZC2kXmHiWLE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716756931; c=relaxed/simple; bh=UImQxAPOx24VQj0f4Xlu8jEy6VeoT2nd6Lxbc1zqsKA=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=g57DHLgUClbFqd5ETVLazSDBn3tfeteezuz2XDkJzhG5WuypM4DvCiZCiBbp/R+zYtKLZFFMEYp+7Yd3s+GGYi/6V8MQ+hib5wYnpCFpfMcyfKabKaNVmAAm6eS9K0Yf6xcxedPEBkVygJ06Rwes0JqCTnEmcmw31flRVPmioEk= 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=209.85.166.207 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-f207.google.com with SMTP id e9e14a558f8ab-3737b3ee909so27637605ab.2 for ; Sun, 26 May 2024 13:55:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716756928; x=1717361728; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=T8Ff/1i31+BE7EFvYOmkzv6BYjG0wA2YgwTzF6+Ho68=; b=B9+0omWimLYROmwj0dTD4xVQ+3jIcB5zhK3Ix3zOc5FnHP7GrhlqJf3xmYkFDGqPXj XI7utcgqyRTiCpAd0QPyR7PhB4yGboBhVqqvfR8copdz4q61aj1rI3c84NuqfCEL9/It Pr82x8ZIGzi3gKmCCnThQAmIjGnEtvzF7PK6Oa1ZX7wqaEutBibB6MQqwdmuBrUv2deJ AvaLRTb9q0aC88eUKJTm5ZrVuR0+blCtoQJpM33FkxCgEuPGP8CsVODCXLkAoKjnfVhw Or/6ZXNTiJsnxMmsTR6xBb+e7ozBKazmR/BrkrKuTYGhrKuMoEO5TTe6SQ03Od1ePmiR zobQ== X-Forwarded-Encrypted: i=1; AJvYcCWeETej5dPie78dIsI93zTFs1A6zJBsdWelHt/cXQI/S/ldvlM3D/GH8Y+25Qe4h9aGIGg88Jvs0C8Q2j65HM7ieaV10R+kUGhtKt23rDo= X-Gm-Message-State: AOJu0YymQFgnhejU+F3Lks/BS2gf2dt0iAgwCrWIdRxJdhIl1BRiZ+Yw QJT8Pf+LoS0BU+BixMUYy0114ZPnYVcCuDi9DDME2jickEp1lXexYXEeij5IGJHDZoB9SZhV/2m +1lyz2U+wpE/4SCpSSDmr02fY8OjAtu543D8dUh7qT86HdfoTFcvTsEg= X-Google-Smtp-Source: AGHT+IHKtIYDeim0+FderWP+Oqk6I75pKU2LVNzMNywyRdzmWMGswo8cRl9x+ksnl0xQupaLUAzmDNKQenn7vTK7+xQVqHqKHx/q Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c09:b0:374:5382:72be with SMTP id e9e14a558f8ab-37453827482mr1696825ab.3.1716756928762; Sun, 26 May 2024 13:55:28 -0700 (PDT) Date: Sun, 26 May 2024 13:55:28 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e7a9080619619e8a@google.com> Subject: [syzbot] [wireless?] general protection fault in ieee80211_unregister_hw From: syzbot To: davem@davemloft.net, edumazet@google.com, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 2a8120d7b482 Merge tag 's390-6.10-2' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1574fadc980000 kernel config: https://syzkaller.appspot.com/x/.config?x=5dd4fde1337a9e18 dashboard link: https://syzkaller.appspot.com/bug?extid=b48ecffcca0f460a4cf4 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-2a8120d7.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/78c72ae6bdaf/vmlinux-2a8120d7.xz kernel image: https://storage.googleapis.com/syzbot-assets/99dbb805b738/bzImage-2a8120d7.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b48ecffcca0f460a4cf4@syzkaller.appspotmail.com Oops: general protection fault, probably for non-canonical address 0xe01ffbf11002a963: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x00ffff8880154b18-0x00ffff8880154b1f] CPU: 2 PID: 1185 Comm: kworker/u32:10 Not tainted 6.9.0-syzkaller-10713-g2a8120d7b482 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Workqueue: netns cleanup_net RIP: 0010:__lock_acquire+0xe3e/0x3b30 kernel/locking/lockdep.c:5005 Code: 11 00 00 39 05 b3 cf 1f 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 a0 3d e3 92 0f 84 98 f2 RSP: 0018:ffffc90006ecf7a0 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 001ffff11002a963 RSI: ffff888020952440 RDI: 00ffff8880154b18 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8fe29817 R11: 0000000000000004 R12: 00ffff8880154b18 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88802c200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f711b1cd440 CR3: 000000002686c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170 put_pwq_unlocked kernel/workqueue.c:1662 [inline] put_pwq_unlocked kernel/workqueue.c:1655 [inline] destroy_workqueue+0x5df/0xaa0 kernel/workqueue.c:5851 ieee80211_unregister_hw+0x276/0x3a0 net/mac80211/main.c:1676 mac80211_hwsim_del_radio+0x266/0x370 drivers/net/wireless/virtual/mac80211_hwsim.c:5576 hwsim_exit_net+0x33f/0x6d0 drivers/net/wireless/virtual/mac80211_hwsim.c:6453 ops_exit_list+0xb0/0x180 net/core/net_namespace.c:173 cleanup_net+0x5b7/0xbf0 net/core/net_namespace.c:640 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xe3e/0x3b30 kernel/locking/lockdep.c:5005 Code: 11 00 00 39 05 b3 cf 1f 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 a0 3d e3 92 0f 84 98 f2 RSP: 0018:ffffc90006ecf7a0 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 001ffff11002a963 RSI: ffff888020952440 RDI: 00ffff8880154b18 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8fe29817 R11: 0000000000000004 R12: 00ffff8880154b18 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88802c200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f711b1cd440 CR3: 000000002686c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 11 00 adc %eax,(%rax) 2: 00 39 add %bh,(%rcx) 4: 05 b3 cf 1f 12 add $0x121fcfb3,%eax 9: 0f 82 be 05 00 00 jb 0x5cd f: ba 01 00 00 00 mov $0x1,%edx 14: e9 e4 00 00 00 jmp 0xfd 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 e2 mov %r12,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 82 1f 00 00 jne 0x1fb6 34: 49 81 3c 24 a0 3d e3 cmpq $0xffffffff92e33da0,(%r12) 3b: 92 3c: 0f .byte 0xf 3d: 84 .byte 0x84 3e: 98 cwtl 3f: f2 repnz --- 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