From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f207.google.com (mail-oi1-f207.google.com [209.85.167.207]) (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 1C25E31E84B for ; Wed, 19 Aug 2026 01:17:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787102253; cv=none; b=h6X72n49TjV3vACy3CH2O9f7tFqWfkwtXdWh1pPm57slW4+vPG+TgS6VTneIJ86P/KitaVUNK/C2FBJSNS1NsM/HjBSBDMFYwp7PXSUmmvhZMP8B7zw6rEukLEthrHM7KWhxfFik1+2CT02RHAWGqAAXMAKcu+8mf4rkqwnCPZM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787102253; c=relaxed/simple; bh=xg52mKlSGHve+lPWt95q+wJsDkxvKr+nIQQlwQoFe/U=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=GYuB5zSHSZ++KNSubISs4XQpBX4nd9bukMGS4iRPaL8DMb/fjxIbh1uqtIT47Xoj6MBwne8h97z/+ncopmsrTBhpyJwWkzxnCHshS+AvWDotm5d7arhXIPkGW8z/hFqu/QQCaH5F0iZ5rqJrjldVnwdns3gqGAHeZzojp80tlMc= 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=209.85.167.207 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-oi1-f207.google.com with SMTP id 5614622812f47-4ab4dd46ddeso370863b6e.3 for ; Tue, 18 Aug 2026 18:17:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787102251; x=1787707051; 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=AsDt2aDCe3uKGplyc2i5OvRVIlvxlznmqAIuqlhbu2k=; b=gPwnvb1d91vIkWUVoC7LFW23ABE3WaF1a5kwrv4APjLI1arSIJij7rCCy54YDc0hsc 72EH7jvihJCrIbG99ER1563plBseIxbKVAFbPw8vSriJ4cyDEdPnfMKMc4mIOjAfNh6P psP/uG9vYPn75/jjmE6gw7Hi5Pzd4KgTVxnGdyL4Lz7s3+TT2tUjYERGnMuapQK8e0Vn ObUKh5+h5kwhOxWRrSTPmTHWeNCcLK2ZQWz2DDZroB/S+POFV60PrQRZloyxouJ6U4Ey uwl1gxqSc2HHvwgi+/7ST4bDvYPlXEv/5pCEmfvqvNYZCTUy/cqqytNx0f5rMTiHGXC+ pzqA== X-Forwarded-Encrypted: i=1; AHgh+RqwiLJRhg+fNqnYE876/ERAZ6JHdlSWRf4tNjtp2n4JgQ4uVoNviniVrR3Zcse9vT+4lZUUnReNHMJY4NE=@vger.kernel.org X-Gm-Message-State: AOJu0YzTQ4d0QhMJznx7chmPdaObV2LtxCgrXw2T7yg+wm4+iTiC6XOn GsaIL85Arg6KeHBw/mLwlS7dPrFFViiQP7eB6A7I2KfrEjyVMFwyfm1Dh5R4aldnQKXehRLLNkk Cq01ZaMscNAj1XNqAnpx/NJrQx9X2B/Xrtmr5wXv3055CToQZ4+5bAtLmR7I= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:3197:b0:4b2:8e1c:5920 with SMTP id 5614622812f47-4b2bc93d9c7mr778024b6e.9.1787102250988; Tue, 18 Aug 2026 18:17:30 -0700 (PDT) Date: Tue, 18 Aug 2026 18:17:30 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a85042a.4d75e56a.c9a88.001f.GAE@google.com> Subject: [syzbot] [net?] WARNING in vmxnet3_probe_device From: syzbot To: andrew+netdev@lunn.ch, bcm-kernel-feedback-list@broadcom.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, ronak.doshi@broadcom.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: a5161661ae99 Merge tag 'sound-7.2' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10fb6279580000 kernel config: https://syzkaller.appspot.com/x/.config?x=ead6a6de2292ff28 dashboard link: https://syzkaller.appspot.com/bug?extid=e39090bc9b3cf457717f 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 (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-a5161661.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/495a21a014c3/vmlinux-a5161661.xz kernel image: https://storage.googleapis.com/syzbot-assets/c83a709756a2/bzImage-a5161661.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e39090bc9b3cf457717f@syzkaller.appspotmail.com oom_control is deprecated and will be removed. Please report your usecase to linux-mm-@kvack.org if you depend on this functionality. openvswitch: netlink: IP tunnel dst address not specified ------------[ cut here ]------------ vmxnet3 0000:00:00.0: rejecting DMA map of vmalloc memory WARNING: ./include/linux/dma-mapping.h:524 at dma_map_single_attrs include/linux/dma-mapping.h:523 [inline], CPU#0: syz.0.0/5315 WARNING: ./include/linux/dma-mapping.h:524 at vmxnet3_probe_device+0xab8/0x2e70 drivers/net/vmxnet3/vmxnet3_drv.c:4047, CPU#0: syz.0.0/5315 Modules linked in: CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:dma_map_single_attrs include/linux/dma-mapping.h:523 [inline] RIP: 0010:vmxnet3_probe_device+0xb32/0x2e70 drivers/net/vmxnet3/vmxnet3_drv.c:4047 Code: 89 ff e8 d1 9e 02 fb 4d 8b 2f eb 15 e8 f7 68 93 fa 41 bf 04 00 00 00 41 b6 03 eb 7d e8 e7 68 93 fa 48 89 df 4c 89 f6 4c 89 ea <67> 48 0f b9 3a 48 8b 04 24 48 05 88 c4 00 00 49 89 c6 48 c1 e8 03 RSP: 0018:ffffc9000e24f820 EFLAGS: 00010246 RAX: 1ffff11003a4bc1a RBX: ffffffff90657ca0 RCX: dffffc0000000000 RDX: ffff88801fa17240 RSI: ffffffff8f872e20 RDI: ffffffff90657ca0 RBP: ffffc9000e24f9b0 R08: 0000000000000003 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1003a4bcb3 R12: 0000000000000001 R13: ffff88801fa17240 R14: ffffffff8f872e20 R15: ffff88801d25e0d0 FS: 00007fcafb3346c0(0000) GS:ffff88808c53e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcafb33d230 CR3: 000000001c30b000 CR4: 0000000000352ef0 Call Trace: local_pci_probe drivers/pci/pci-driver.c:332 [inline] pci_call_probe drivers/pci/pci-driver.c:394 [inline] __pci_device_probe drivers/pci/pci-driver.c:455 [inline] pci_device_probe+0x431/0xc90 drivers/pci/pci-driver.c:489 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:706 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868 device_driver_attach+0xe0/0x1d0 drivers/base/dd.c:1203 bind_store+0x1d0/0x220 drivers/base/bus.c:267 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_write+0x150/0x270 fs/read_write.c:739 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: 0033:0x7fcafa39e0d9 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:00007fcafb333fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fcafa625fa0 RCX: 00007fcafa39e0d9 RDX: 000000000000000c RSI: 0000200000000140 RDI: 000000000000000a RBP: 00007fcafa435024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fcafa626038 R14: 00007fcafa625fa0 R15: 00007ffc9d800cc8 ---------------- Code disassembly (best guess): 0: 89 ff mov %edi,%edi 2: e8 d1 9e 02 fb call 0xfb029ed8 7: 4d 8b 2f mov (%r15),%r13 a: eb 15 jmp 0x21 c: e8 f7 68 93 fa call 0xfa936908 11: 41 bf 04 00 00 00 mov $0x4,%r15d 17: 41 b6 03 mov $0x3,%r14b 1a: eb 7d jmp 0x99 1c: e8 e7 68 93 fa call 0xfa936908 21: 48 89 df mov %rbx,%rdi 24: 4c 89 f6 mov %r14,%rsi 27: 4c 89 ea mov %r13,%rdx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 48 8b 04 24 mov (%rsp),%rax 33: 48 05 88 c4 00 00 add $0xc488,%rax 39: 49 89 c6 mov %rax,%r14 3c: 48 c1 e8 03 shr $0x3,%rax --- 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