From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 93D0C26AEC for ; Fri, 14 Jun 2024 01:53:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718329985; cv=none; b=F9WZz5T5w3h9i1WCo/r2G7woMsJ5b8Wg+rJyUNLpqpS+ifp35VPcWWJVNFQHPniBG49QLNhj/Y8hP5kCJoIkhB5yFVcXOk4KSZCbJEuXj5AJ50o2F0wDlLlRiu0kY0q7u6HZRYtvKWkf1i+Z5sd2fIfQfxGENxh3UlQ9DuddZZM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718329985; c=relaxed/simple; bh=ZXLS7Meuj9b7gWiDEZtsoDJJdpAcvkCEEXSA5XocxaE=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=VSoUT5zC2Cda4ePNkUQeV7dp2XR/yUzUhn5fkfQo2bQmu5jIoAUPi26x93L39P+4Ctg5flbGkYuXOpANv+x+BFfWfwZQFocDLvmPo0Unjm4XX+Nr/Dd/PbsEu9MzIkrIbNdgAu6BnUvGalWUjLm62Yj1oUSFhp6i6XK61faZvNY= 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=209.85.166.197 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-il1-f197.google.com with SMTP id e9e14a558f8ab-36db3bbf931so17106305ab.0 for ; Thu, 13 Jun 2024 18:53:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718329982; x=1718934782; h=content-transfer-encoding:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=lGFZODxFU68El3Ust4/5uSYb8B9OfgBf0JcJEBsD44Q=; b=FKWTek02mvJnHTJBB6kzBhw1Lqd/gZCcIwzo9Uh47EyZxTlWbDAClGQP4CdxDf30nt qY8GQ4Kifi8hNnus+Ifg7XFekTgCRG1R4DGoIUvoD0RucDQON/XGC8AeP7hygSVXuiZd UGLY38U1XhT9+Z/ElKn41Lh4wi35P5SXiO6lI0SuVZTd4bs/LVvFsGNs44BIHq3QFZP/ 707sONv4jOzhm9SFW0w9g3iW9UQP2fjafqY/HdtS+DY7gyAKgWvGysYWQKd9gEyQVcf4 uWzqqfdHFJDcKISTJBNpMBWenJc4hBjmili3jsKdoQVCaDvW74OjZcmYuUAzWnjRzwSA X7tQ== X-Forwarded-Encrypted: i=1; AJvYcCW2McQ0L4/rc/nuQWSNYPTSwlUe9Wfg+/U95BSc7ukHwPF++0KbMGP8Sdat+fZu7ym/9TW2tgpQoy6u4Yq0BKLeArI4oLvGlBs= X-Gm-Message-State: AOJu0YwP28HhWfUgYbD1D4RkuXxMPsXwI6zJkF01V8LjJtt7CmajVGlk 4EEXSqBhaWkBcTFm2oiDJgVi7O5gYP4xgeVedzFveuLid86U6aSLN6jvzbhsxYEw+Mg/yQ2BD4G FJ5ubFlzMqsXC0DgoFk6v1tTqWp6AQ2/PE9v64i9tYGw21b7GuMXVa7A= X-Google-Smtp-Source: AGHT+IHBSV9rkjUe75sCk5g6MKuFsJesK6eMgDlpSth+4UbGGaI7nYEd96/egQGEWRTzvcyjDtzizuHKCnd3j+Yjttg7jFZ+X7cB Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20ec:b0:36c:5c1b:2051 with SMTP id e9e14a558f8ab-375e10b24a8mr793335ab.6.1718329982589; Thu, 13 Jun 2024 18:53:02 -0700 (PDT) Date: Thu, 13 Jun 2024 18:53:02 -0700 In-Reply-To: <6d0ab5f4-45d5-4e16-bd4d-ae14e29d5f32@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003835b9061acfe0c4@google.com> Subject: Re: [syzbot] [io-uring?] KMSAN: uninit-value in io_req_cqe_overflow (3) From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hello, syzbot tried to test the proposed patch but the build/boot failed: : Dummy 1 [ 50.085324][ T1] #1: Loopback 1 [ 50.089179][ T1] #2: Virtual MIDI Card 1 [ 50.099411][ T10] platform regulatory.0: Direct firmware load for regu= latory.db failed with error -2 [ 50.110715][ T1] md: Waiting for all devices to be available before a= utodetect [ 50.110769][ T1] md: If you don't use raid, use raid=3Dnoautodetect [ 50.110836][ T1] md: Autodetecting RAID arrays. [ 50.110883][ T1] md: autorun ... [ 50.119809][ T10] platform regulatory.0: Falling back to sysfs fallbac= k for: regulatory.db [ 50.125316][ T1] md: ... autorun DONE. [ 50.234241][ T1] EXT4-fs (sda1): mounted filesystem 5941fea2-f5fa-4b4= e-b5ef-9af118b27b95 ro with ordered data mode. Quota mode: none. [ 50.247976][ T1] VFS: Mounted root (ext4 filesystem) readonly on devi= ce 8:1. [ 50.325610][ T1] devtmpfs: mounted [ 50.579226][ T1] Freeing unused kernel image (initmem) memory: 37032K [ 50.590992][ T1] Write protecting the kernel read-only data: 262144k [ 50.636998][ T1] Freeing unused kernel image (rodata/data gap) memory= : 1808K [ 52.297749][ T1] x86/mm: Checked W+X mappings: passed, no W+X pages f= ound. [ 52.307966][ T1] x86/mm: Checking user space page tables [ 53.810797][ T1] x86/mm: Checked W+X mappings: passed, no W+X pages f= ound. [ 53.819734][ T1] Failed to set sysctl parameter 'kernel.hung_task_all= _cpu_backtrace=3D1': parameter not found [ 53.841397][ T1] Failed to set sysctl parameter 'max_rcu_stall_to_pan= ic=3D1': parameter not found [ 53.853295][ T1] Run /sbin/init as init process [ 55.624426][ T4453] mount (4453) used greatest stack depth: 8144 bytes l= eft [ 55.700932][ T4454] EXT4-fs (sda1): re-mounted 5941fea2-f5fa-4b4e-b5ef-9= af118b27b95 r/w. Quota mode: none. mount: mounting smackfs on /sys/fs/smackfs failed: No such file or director= y mount: mounting selinuxfs on /sys/fs/selinux failed: No such file or direct= ory [ 56.048626][ T4457] mount (4457) used greatest stack depth: 5568 bytes l= eft Starting syslogd: OK Starting acpid: OK Starting klogd: OK Running sysctl: OK Populating /dev using udev: [ 59.882175][ T4487] udevd[4487]: starting ve= rsion 3.2.11 [ 63.461760][ T4488] udevd[4488]: starting eudev-3.2.11 [ 63.474018][ T4487] udevd (4487) used greatest stack depth: 5288 bytes l= eft [ 96.328335][ T1216] net_ratelimit: 2 callbacks suppressed [ 96.328413][ T1216] aoe: packet could not be sent on lo. consider incre= asing tx_queue_len [ 96.343724][ T1216] aoe: packet could not be sent on bond0. consider in= creasing tx_queue_len [ 96.352822][ T1216] aoe: packet could not be sent on dummy0. consider i= ncreasing tx_queue_len [ 96.362365][ T1216] aoe: packet could not be sent on eql. consider incr= easing tx_queue_len [ 96.371420][ T1216] aoe: packet could not be sent on ifb0. consider inc= reasing tx_queue_len [ 96.380617][ T1216] aoe: packet could not be sent on ifb1. consider inc= reasing tx_queue_len [ 96.390232][ T1216] aoe: packet could not be sent on eth0. consider inc= reasing tx_queue_len [ 96.399307][ T1216] aoe: packet could not be sent on wlan0. consider in= creasing tx_queue_len [ 96.408742][ T1216] aoe: packet could not be sent on wlan1. consider in= creasing tx_queue_len [ 96.417980][ T1216] aoe: packet could not be sent on hwsim0. consider i= ncreasing tx_queue_len done Starting system message bus: done Starting iptables: OK Starting network: OK Starting dhcpcd... dhcpcd-9.4.1 starting dev: loaded udev DUID 00:04:98:24:4c:28:99:7c:d9:70:fe:51:ca:fe:56:33:2c:7d forked to background, child pid 4700 [ 111.646112][ T4701] 8021q: adding VLAN 0 to HW filter on device bond0 [ 111.665731][ T4701] eql: remember to turn off Van-Jacobson compression o= n your slave devices [ 111.739327][ T10] cfg80211: failed to load regulatory.db Starting sshd: [ 114.013627][ C0] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [ 114.021043][ C0] BUG: KMSAN: uninit-value in receive_buf+0x25e3/0x5fd= 0 [ 114.028525][ C0] receive_buf+0x25e3/0x5fd0 [ 114.033381][ C0] virtnet_poll+0xd1c/0x23c0 [ 114.038271][ C0] __napi_poll+0xe7/0x980 [ 114.042818][ C0] net_rx_action+0x82a/0x1850 [ 114.047892][ C0] handle_softirqs+0x1ce/0x800 [ 114.052877][ C0] __irq_exit_rcu+0x68/0x120 [ 114.057788][ C0] irq_exit_rcu+0x12/0x20 [ 114.062305][ C0] common_interrupt+0x94/0xa0 [ 114.067214][ C0] asm_common_interrupt+0x2b/0x40 [ 114.072524][ C0] unmap_page_range+0x437/0x8670 [ 114.077770][ C0] unmap_single_vma+0x380/0x490 [ 114.082992][ C0] unmap_vmas+0x34a/0x610 [ 114.087600][ C0] exit_mmap+0x236/0xe60 [ 114.091998][ C0] __mmput+0x147/0x5d0 [ 114.096258][ C0] mmput+0x8a/0xa0 [ 114.100278][ C0] exec_mmap+0x80a/0x9b0 [ 114.104689][ C0] begin_new_exec+0x1ac4/0x2bd0 [ 114.109838][ C0] load_elf_binary+0x1412/0x4e10 [ 114.114974][ C0] bprm_execve+0xc57/0x21c0 [ 114.119763][ C0] do_execveat_common+0xceb/0xd70 [ 114.124999][ C0] __x64_sys_execve+0xf4/0x130 [ 114.130048][ C0] x64_sys_call+0x164f/0x3b90 [ 114.135028][ C0] do_syscall_64+0xcd/0x1e0 [ 114.139822][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.145930][ C0]=20 [ 114.148491][ C0] Uninit was created at: [ 114.152960][ C0] __alloc_pages_noprof+0x9d6/0xe70 [ 114.158456][ C0] alloc_pages_mpol_noprof+0x299/0x990 [ 114.164147][ C0] alloc_pages_noprof+0x1bf/0x1e0 [ 114.169493][ C0] skb_page_frag_refill+0x2bf/0x7c0 [ 114.175099][ C0] virtnet_rq_alloc+0x43/0xbb0 [ 114.180136][ C0] try_fill_recv+0x3f0/0x2f50 [ 114.184984][ C0] virtnet_open+0x1cc/0xb00 [ 114.189780][ C0] __dev_open+0x546/0x6f0 [ 114.194331][ C0] __dev_change_flags+0x309/0x9a0 [ 114.199804][ C0] dev_change_flags+0x8e/0x1d0 [ 114.204763][ C0] devinet_ioctl+0x13ec/0x22c0 [ 114.209866][ C0] inet_ioctl+0x4bd/0x6d0 [ 114.214386][ C0] sock_do_ioctl+0xb7/0x540 [ 114.219190][ C0] sock_ioctl+0x727/0xd70 [ 114.223697][ C0] __se_sys_ioctl+0x261/0x450 [ 114.228714][ C0] __x64_sys_ioctl+0x96/0xe0 [ 114.233472][ C0] x64_sys_call+0x18c0/0x3b90 [ 114.238517][ C0] do_syscall_64+0xcd/0x1e0 [ 114.243222][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.249490][ C0]=20 [ 114.251937][ C0] CPU: 0 PID: 4799 Comm: S50sshd Not tainted 6.10.0-rc= 1-syzkaller-00009-gf4a1254f2a07 #0 [ 114.262178][ C0] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 06/07/2024 [ 114.272668][ C0] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [ 114.279876][ C0] Disabling lock debugging due to kernel taint [ 114.286162][ C0] Kernel panic - not syncing: kmsan.panic set ... [ 114.292711][ C0] CPU: 0 PID: 4799 Comm: S50sshd Tainted: G B = 6.10.0-rc1-syzkaller-00009-gf4a1254f2a07 #0 [ 114.304458][ C0] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 06/07/2024 [ 114.314789][ C0] Call Trace: [ 114.318203][ C0] [ 114.321156][ C0] dump_stack_lvl+0x216/0x2d0 [ 114.326043][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 114.332094][ C0] dump_stack+0x1e/0x30 [ 114.336442][ C0] panic+0x4e2/0xcd0 [ 114.340533][ C0] ? kmsan_get_metadata+0x111/0x1d0 [ 114.345974][ C0] kmsan_report+0x2d5/0x2e0 [ 114.350698][ C0] ? kmsan_alloc_page+0x182/0x220 [ 114.355934][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.361337][ C0] ? __msan_warning+0x95/0x120 [ 114.366312][ C0] ? receive_buf+0x25e3/0x5fd0 [ 114.371293][ C0] ? virtnet_poll+0xd1c/0x23c0 [ 114.376247][ C0] ? __napi_poll+0xe7/0x980 [ 114.380957][ C0] ? net_rx_action+0x82a/0x1850 [ 114.386121][ C0] ? handle_softirqs+0x1ce/0x800 [ 114.391359][ C0] ? __irq_exit_rcu+0x68/0x120 [ 114.396339][ C0] ? irq_exit_rcu+0x12/0x20 [ 114.401043][ C0] ? common_interrupt+0x94/0xa0 [ 114.406205][ C0] ? asm_common_interrupt+0x2b/0x40 [ 114.411631][ C0] ? unmap_page_range+0x437/0x8670 [ 114.417009][ C0] ? unmap_single_vma+0x380/0x490 [ 114.422335][ C0] ? unmap_vmas+0x34a/0x610 [ 114.427043][ C0] ? exit_mmap+0x236/0xe60 [ 114.431644][ C0] ? __mmput+0x147/0x5d0 [ 114.436101][ C0] ? mmput+0x8a/0xa0 [ 114.440190][ C0] ? exec_mmap+0x80a/0x9b0 [ 114.444795][ C0] ? begin_new_exec+0x1ac4/0x2bd0 [ 114.450011][ C0] ? load_elf_binary+0x1412/0x4e10 [ 114.455320][ C0] ? bprm_execve+0xc57/0x21c0 [ 114.460196][ C0] ? do_execveat_common+0xceb/0xd70 [ 114.465599][ C0] ? __x64_sys_execve+0xf4/0x130 [ 114.470719][ C0] ? x64_sys_call+0x164f/0x3b90 [ 114.475779][ C0] ? do_syscall_64+0xcd/0x1e0 [ 114.480647][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.486933][ C0] ? kmsan_internal_memmove_metadata+0x17b/0x230 [ 114.493494][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.498917][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.504332][ C0] ? page_to_skb+0xdae/0x1620 [ 114.509232][ C0] __msan_warning+0x95/0x120 [ 114.514026][ C0] receive_buf+0x25e3/0x5fd0 [ 114.518819][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.524319][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 114.530382][ C0] virtnet_poll+0xd1c/0x23c0 [ 114.535205][ C0] ? __pfx_virtnet_poll+0x10/0x10 [ 114.540952][ C0] __napi_poll+0xe7/0x980 [ 114.545495][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.550961][ C0] net_rx_action+0x82a/0x1850 [ 114.555904][ C0] ? sched_clock_cpu+0x55/0x870 [ 114.560969][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 114.566314][ C0] handle_softirqs+0x1ce/0x800 [ 114.571324][ C0] __irq_exit_rcu+0x68/0x120 [ 114.576116][ C0] irq_exit_rcu+0x12/0x20 [ 114.580642][ C0] common_interrupt+0x94/0xa0 [ 114.585603][ C0] [ 114.588665][ C0] [ 114.591713][ C0] asm_common_interrupt+0x2b/0x40 [ 114.596959][ C0] RIP: 0010:unmap_page_range+0x437/0x8670 [ 114.602895][ C0] Code: 01 00 00 48 83 bc 24 38 02 00 00 00 0f 85 a2 7= 9 00 00 48 8b bc 24 f8 01 00 00 48 8b 1f 48 89 5c 24 20 e8 4c 22 26 00 4c 8= b 30 <44> 8b 22 48 83 e3 9f 49 c7 45 00 00 00 00 00 4c 89 f0 48 83 e0 9f [ 114.622720][ C0] RSP: 0018:ffff8881178032f0 EFLAGS: 00000286 [ 114.628967][ C0] RAX: ffff88811a3767f8 RBX: 800000011786d067 RCX: 000= 000011a7767f8 [ 114.637129][ C0] RDX: ffff88811a7767f8 RSI: ffff88813fff9230 RDI: fff= f88811ab767f8 [ 114.645292][ C0] RBP: ffff888117803578 R08: ffffea000000000f R09: 000= 0000000000000 [ 114.653453][ C0] R10: ffff888117003698 R11: 0000000000000004 R12: 000= 0000000000000 [ 114.661696][ C0] R13: ffff888117a1ac00 R14: 0000000000000000 R15: 000= 07fef966eafff [ 114.669872][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.675323][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.680765][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.686196][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 114.692245][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.697670][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 114.703716][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.709137][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 114.715203][ C0] unmap_single_vma+0x380/0x490 [ 114.720293][ C0] unmap_vmas+0x34a/0x610 [ 114.724956][ C0] exit_mmap+0x236/0xe60 [ 114.729417][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 114.735450][ C0] __mmput+0x147/0x5d0 [ 114.739725][ C0] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 114.746005][ C0] mmput+0x8a/0xa0 [ 114.749934][ C0] exec_mmap+0x80a/0x9b0 [ 114.754382][ C0] begin_new_exec+0x1ac4/0x2bd0 [ 114.759451][ C0] load_elf_binary+0x1412/0x4e10 [ 114.764594][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.770014][ C0] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 114.776491][ C0] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 114.782774][ C0] ? load_elf_binary+0x1341/0x4e10 [ 114.788101][ C0] ? kmsan_get_metadata+0x146/0x1d0 [ 114.793557][ C0] ? __pfx_load_elf_binary+0x10/0x10 [ 114.799058][ C0] bprm_execve+0xc57/0x21c0 [ 114.803804][ C0] do_execveat_common+0xceb/0xd70 [ 114.809069][ C0] __x64_sys_execve+0xf4/0x130 [ 114.814046][ C0] x64_sys_call+0x164f/0x3b90 [ 114.818961][ C0] do_syscall_64+0xcd/0x1e0 [ 114.823690][ C0] ? clear_bhb_loop+0x25/0x80 [ 114.828613][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.834753][ C0] RIP: 0033:0x7fef96824ef7 [ 114.839364][ C0] Code: Unable to access opcode bytes at 0x7fef96824ec= d. [ 114.846558][ C0] RSP: 002b:00007ffee5058098 EFLAGS: 00000246 ORIG_RAX= : 000000000000003b [ 114.855184][ C0] RAX: ffffffffffffffda RBX: 0000556bd3625190 RCX: 000= 07fef96824ef7 [ 114.863430][ C0] RDX: 0000556bd36251a8 RSI: 0000556bd3625190 RDI: 000= 0556bd3625210 [ 114.871579][ C0] RBP: 0000556bd3625210 R08: 0000556bd3625215 R09: 000= 07ffee5059fa2 [ 114.879814][ C0] R10: 0000000000000008 R11: 0000000000000246 R12: 000= 0556bd36251a8 [ 114.887957][ C0] R13: 00007fef969d2904 R14: 0000556bd36251a8 R15: 000= 0000000000000 [ 114.896125][ C0] [ 114.899544][ C0] Kernel Offset: disabled [ 114.903930][ C0] Rebooting in 86400 seconds.. syzkaller build log: go env (err=3D) GO111MODULE=3D'auto' GOARCH=3D'amd64' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFLAGS=3D'' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMODCACHE=3D'/syzkaller/jobs-2/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs-2/linux/gopath' GOPRIVATE=3D'' GOPROXY=3D'https://proxy.golang.org,direct' GOROOT=3D'/usr/local/go' GOSUMDB=3D'sum.golang.org' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/usr/local/go/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.21.4' GCCGO=3D'gccgo' GOAMD64=3D'v1' AR=3D'ar' CC=3D'gcc' CXX=3D'g++' CGO_ENABLED=3D'1' GOMOD=3D'/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.= mod' GOWORK=3D'' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' PKG_CONFIG=3D'pkg-config' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build827277809=3D/tmp/go-build -gno-record-gcc= -switches' git status (err=3D) HEAD detached at 2aa5052fed nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sy= s/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env bin/syz-sysgen go fmt ./sys/... >/dev/null touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D2aa5052fed5f8993afacfce02174322df0f03ec4 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240612-135002'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer= github.com/google/syzkaller/syz-fuzzer GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D2aa5052fed5f8993afacfce02174322df0f03ec4 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240612-135002'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execpr= og github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wfr= ame-larger-than=3D16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-forma= t-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -= static-pie -std=3Dc++17 -I. -Iexecutor/_include -fpermissive -w -DGOOS_linu= x=3D1 -DGOARCH_amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"2aa5052fed5f8993afacfce02174322df0= f03ec4\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D12f14736980000 Tested on: commit: f4a1254f io_uring: fix cancellation overwriting req->f.. git tree: git://git.kernel.dk/linux.git io_uring-6.10 kernel config: https://syzkaller.appspot.com/x/.config?x=3D54d66e52f38a45d= 8 dashboard link: https://syzkaller.appspot.com/bug?extid=3De6616d0dc8ded5dc5= 6d6 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 Note: no patches were applied.