From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2A0EC43334 for ; Sun, 19 Jun 2022 16:42:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234697AbiFSQmM (ORCPT ); Sun, 19 Jun 2022 12:42:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229490AbiFSQmK (ORCPT ); Sun, 19 Jun 2022 12:42:10 -0400 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38C90CE34 for ; Sun, 19 Jun 2022 09:42:09 -0700 (PDT) Received: by mail-il1-f200.google.com with SMTP id n12-20020a92260c000000b002d3c9fc68d6so6061244ile.19 for ; Sun, 19 Jun 2022 09:42:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=zEVVFfG8OJqN8UCtsz3GzGKDZEw5xDwgnm/h27INUZw=; b=I6CnlZIAMQDe8UrZ3WHBPDK3TNWkR4lRrM0ktEIegebgcxYJs/cdw1kurwdQV+Vg+z MHH4cK/SMExdn4IT9L8fnxNsHbDHUDOReJWh+Fjgk7iaJYqHbhgeQJD/xcNAcohfjw8D Nd+IsUgp2zvDQY8+Hfz+ms16ltf4LTrapAWqkYBFrHEjRa82EwIyboqnICMgyiXomJzA rdrLbrRrA7aRdLt7RyMU/2On7eB051Yt+hNJGEAz3rMTaMWqCCeGwPiNo15LZm7SOaVy kQT36+S2G8H/fmoJn6gPsO7ITccW6KkhijkuWER2WW5ri6kQgrksYbxxOHbLOoV30w3s zGdQ== X-Gm-Message-State: AJIora8m8HexcdzymXyL2hzSg+EjU3gGktJputx4V4Am9G6FI+HBZIJf IYM1SMm6/+CeW2PeyenA/fZE7fzxPT3aFA/Nju2NJsDJv+aV X-Google-Smtp-Source: AGRyM1tmQcyPJ7L/QBclQfvxJhZ7ORVLS75cFBNh3dXWY8IVueXxS0G1mpyhoRBGRqsOj3Zv+L2yIxU7wiVeQfKaYHq41VbzbGnE MIME-Version: 1.0 X-Received: by 2002:a05:6638:d94:b0:331:7980:af97 with SMTP id l20-20020a0566380d9400b003317980af97mr11062036jaj.26.1655656928609; Sun, 19 Jun 2022 09:42:08 -0700 (PDT) Date: Sun, 19 Jun 2022 09:42:08 -0700 In-Reply-To: <20220619133032.381-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000198bb405e1cfabfc@google.com> Subject: Re: [syzbot] possible deadlock in console_lock_spinning_enable (2) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot tried to test the proposed patch but the build/boot failed: 733894][ T1] nf_conntrack_irc: failed to register helpers [ 9.735393][ T1] nf_conntrack_sane: failed to register helpers [ 9.738647][ T1] nf_conntrack_sip: failed to register helpers [ 9.744443][ T1] xt_time: kernel timezone is -0000 [ 9.746343][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 9.748347][ T1] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 9.750263][ T1] IPVS: ipvs loaded. [ 9.751181][ T1] IPVS: [rr] scheduler registered. [ 9.752409][ T1] IPVS: [wrr] scheduler registered. [ 9.753418][ T1] IPVS: [lc] scheduler registered. [ 9.754260][ T1] IPVS: [wlc] scheduler registered. [ 9.755407][ T1] IPVS: [fo] scheduler registered. [ 9.756393][ T1] IPVS: [ovf] scheduler registered. [ 9.758180][ T1] IPVS: [lblc] scheduler registered. [ 9.759670][ T1] IPVS: [lblcr] scheduler registered. [ 9.760978][ T1] IPVS: [dh] scheduler registered. [ 9.762122][ T1] IPVS: [sh] scheduler registered. [ 9.763108][ T1] IPVS: [mh] scheduler registered. [ 9.764073][ T1] IPVS: [sed] scheduler registered. [ 9.765581][ T1] IPVS: [nq] scheduler registered. [ 9.766717][ T1] IPVS: [twos] scheduler registered. [ 9.767890][ T1] IPVS: [sip] pe registered. [ 9.769097][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 9.772940][ T1] gre: GRE over IPv4 demultiplexor driver [ 9.775256][ T1] ip_gre: GRE over IPv4 tunneling driver [ 9.783020][ T1] IPv4 over IPsec tunneling driver [ 9.787176][ T1] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 9.789164][ T1] Initializing XFRM netlink socket [ 9.790288][ T1] IPsec XFRM device driver [ 9.793369][ T1] NET: Registered PF_INET6 protocol family [ 9.806445][ T1] Segment Routing with IPv6 [ 9.807546][ T1] RPL Segment Routing with IPv6 [ 9.808892][ T1] In-situ OAM (IOAM) with IPv6 [ 9.810163][ T1] mip6: Mobile IPv6 [ 9.814261][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 9.823034][ T1] ip6_gre: GRE over IPv6 tunneling driver [ 9.827601][ T1] NET: Registered PF_PACKET protocol family [ 9.829247][ T1] NET: Registered PF_KEY protocol family [ 9.831023][ T1] Bridge firewalling registered [ 9.832598][ T1] NET: Registered PF_X25 protocol family [ 9.833907][ T1] X25: Linux Version 0.2 [ 9.877600][ T1] NET: Registered PF_NETROM protocol family [ 9.919929][ T1] NET: Registered PF_ROSE protocol family [ 9.922618][ T1] NET: Registered PF_AX25 protocol family [ 9.924364][ T1] can: controller area network core [ 9.926445][ T1] NET: Registered PF_CAN protocol family [ 9.927484][ T1] can: raw protocol [ 9.928285][ T1] can: broadcast manager protocol [ 9.929768][ T1] can: netlink gateway - max_hops=1 [ 9.931513][ T1] can: SAE J1939 [ 9.932476][ T1] can: isotp protocol [ 9.934137][ T1] Bluetooth: RFCOMM TTY layer initialized [ 9.936704][ T1] Bluetooth: RFCOMM socket layer initialized [ 9.938406][ T1] Bluetooth: RFCOMM ver 1.11 [ 9.939497][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 9.940847][ T1] Bluetooth: BNEP filters: protocol multicast [ 9.942188][ T1] Bluetooth: BNEP socket layer initialized [ 9.943175][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0 [ 9.944837][ T1] Bluetooth: CMTP socket layer initialized [ 9.946399][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 9.947644][ T1] Bluetooth: HIDP socket layer initialized [ 9.952472][ T1] NET: Registered PF_RXRPC protocol family [ 9.953713][ T1] Key type rxrpc registered [ 9.954373][ T1] Key type rxrpc_s registered [ 9.956935][ T1] NET: Registered PF_KCM protocol family [ 9.958405][ T1] lec:lane_module_init: lec.c: initialized [ 9.959966][ T1] mpoa:atm_mpoa_init: mpc.c: initialized [ 9.961343][ T1] l2tp_core: L2TP core driver, V2.0 [ 9.962248][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 9.963438][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 9.964924][ T1] l2tp_netlink: L2TP netlink interface [ 9.966842][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 9.968489][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 9.970375][ T1] NET: Registered PF_PHONET protocol family [ 9.972316][ T1] 8021q: 802.1Q VLAN Support v1.8 [ 9.982243][ T1] DCCP: Activated CCID 2 (TCP-like) [ 9.983972][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 9.988828][ T1] sctp: Hash tables configured (bind 32/56) [ 9.992797][ T1] NET: Registered PF_RDS protocol family [ 9.995952][ T1] Registered RDS/infiniband transport [ 9.998331][ T1] Registered RDS/tcp transport [ 9.999301][ T1] tipc: Activated (version 2.0.0) [ 10.001185][ T1] NET: Registered PF_TIPC protocol family [ 10.003426][ T1] tipc: Started in single node mode [ 10.005953][ T1] NET: Registered PF_SMC protocol family [ 10.007663][ T1] 9pnet: Installing 9P2000 support [ 10.009531][ T1] NET: Registered PF_CAIF protocol family [ 10.016448][ T1] NET: Registered PF_IEEE802154 protocol family [ 10.018804][ T1] Key type dns_resolver registered [ 10.019981][ T1] Key type ceph registered [ 10.022035][ T1] libceph: loaded (mon/osd proto 15/24) [ 10.025632][ T1] batman_adv: B.A.T.M.A.N. advanced 2021.3 (compatibility version 15) loaded [ 10.027479][ T1] openvswitch: Open vSwitch switching datapath [ 10.032455][ T1] NET: Registered PF_VSOCK protocol family [ 10.034348][ T1] mpls_gso: MPLS GSO support [ 10.042692][ T1] IPI shorthand broadcast: enabled [ 10.044218][ T1] AVX2 version of gcm_enc/dec engaged. [ 10.045496][ T1] AES CTR mode by8 optimization enabled [ 10.050326][ T1] sched_clock: Marking stable (10029278411, 20887515)->(10056257631, -6091705) [ 10.054020][ T1] registered taskstats version 1 [ 10.061818][ T1] Loading compiled-in X.509 certificates [ 10.065938][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: f850c787ad998c396ae089c083b940ff0a9abb77' [ 10.071352][ T1] zswap: loaded using pool lzo/zbud [ 10.074824][ T1] debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers [ 11.756607][ T1] Key type ._fscrypt registered [ 11.757678][ T1] Key type .fscrypt registered [ 11.758612][ T1] Key type fscrypt-provisioning registered [ 11.765929][ T1] kAFS: Red Hat AFS client v0.1 registering. [ 11.767788][ T1] FS-Cache: Netfs 'afs' registered for caching [ 11.778052][ T1] Btrfs loaded, crc32c=crc32c-intel, assert=on, zoned=yes, fsverity=yes [ 11.780678][ T1] Key type big_key registered [ 11.784695][ T1] Key type encrypted registered [ 11.787180][ T1] ima: No TPM chip found, activating TPM-bypass! [ 11.788307][ T1] Loading compiled-in module X.509 certificates [ 11.790027][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: f850c787ad998c396ae089c083b940ff0a9abb77' [ 11.792366][ T1] ima: Allocated hash algorithm: sha256 [ 11.793679][ T1] ima: No architecture policies found [ 11.795462][ T1] evm: Initialising EVM extended attributes: [ 11.796533][ T1] evm: security.selinux (disabled) [ 11.797337][ T1] evm: security.SMACK64 [ 11.798128][ T1] evm: security.SMACK64EXEC [ 11.798914][ T1] evm: security.SMACK64TRANSMUTE [ 11.800050][ T1] evm: security.SMACK64MMAP [ 11.801294][ T1] evm: security.apparmor (disabled) [ 11.802445][ T1] evm: security.ima [ 11.803150][ T1] evm: security.capability [ 11.803875][ T1] evm: HMAC attrs: 0x1 [ 11.878842][ T1] PM: Magic number: 10:155:591 [ 11.880170][ T1] cec cec18: hash matches [ 11.881277][ T1] usbmon usbmon27: hash matches [ 11.882205][ T1] usb usb20-port4: hash matches [ 11.883765][ T1] tty ptyc9: hash matches [ 11.886992][ T1] printk: console [netcon0] enabled [ 11.888301][ T1] netconsole: network logging started [ 11.889910][ T1] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 11.893148][ T1] rdma_rxe: loaded [ 11.894125][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 11.900422][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 11.902966][ T136] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 11.907426][ T136] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db [ 11.907483][ T1] ALSA device list: [ 11.910739][ T1] #0: Dummy 1 [ 11.911554][ T1] #1: Loopback 1 [ 11.912331][ T1] #2: Virtual MIDI Card 1 [ 11.916533][ T1] md: Waiting for all devices to be available before autodetect [ 11.918559][ T1] md: If you don't use raid, use raid=noautodetect [ 11.919724][ T1] md: Autodetecting RAID arrays. [ 11.920947][ T1] md: autorun ... [ 11.921743][ T1] md: ... autorun DONE. [ 11.945958][ T1] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none. [ 11.949061][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 11.952878][ T1] devtmpfs: mounted [ 12.009316][ T1] Freeing unused kernel image (initmem) memory: 3820K [ 12.011137][ T1] Write protecting the kernel read-only data: 169984k [ 12.017381][ T1] Freeing unused kernel image (text/rodata gap) memory: 2012K [ 12.021141][ T1] Freeing unused kernel image (rodata/data gap) memory: 1648K [ 12.026563][ T1] Failed to set sysctl parameter 'max_rcu_stall_to_panic=1': parameter not found [ 12.029361][ T1] Run /sbin/init as init process [ 12.252245][ T2936] mount (2936) used greatest stack depth: 24880 bytes left [ 12.289115][ T2937] EXT4-fs (sda1): re-mounted. Opts: (null). Quota mode: none. [ 12.322458][ T2938] mkdir (2938) used greatest stack depth: 24744 bytes left mount: mounting selinuxfs on /sys/fs/selinux failed: No such file or directory mount: mounting mqueue on /dev/mqueue failed: No such file or directory mount: [ 12.363510][ T2939] mount (2939) used greatest stack depth: 21664 bytes left mounting hugetlbfs on /dev/hugepages failed: No such file or directory mount: mounting fuse.lxcfs on /var/lib/lxcfs failed: No such file or directory Starting syslogd: OK Starting acpid: OK Starting klogd: OK Running sysctl: OK [ 12.811121][ T2964] logger (2964) used greatest stack depth: 21264 bytes left Populating /dev using udev: [ 13.003968][ T2968] udevd[2968]: starting version 3.2.10 [ 13.183619][ T2969] udevd[2969]: starting eudev-3.2.10 [ 13.187999][ T2968] udevd (2968) used greatest stack depth: 20544 bytes left [ 18.203068][ T3046] ================================================================================ [ 18.275244][ T3046] UBSAN: object-size-mismatch in net/unix/af_unix.c:978:14 [ 18.282483][ T3046] member access within address ffff888022443ccc with insufficient space [ 18.402043][ T3046] for an object of type 'struct sockaddr_un' [ 18.441637][ T3046] CPU: 0 PID: 3046 Comm: udevadm Not tainted 5.16.0-rc4-syzkaller-00161-gc741e49150db-dirty #0 [ 18.452006][ T3046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.462097][ T3046] Call Trace: [ 18.465396][ T3046] [ 18.468342][ T3046] dump_stack_lvl+0x1e3/0x2cb [ 18.473067][ T3046] ? bfq_pos_tree_add_move+0x451/0x451 [ 18.478547][ T3046] ? panic+0x7e3/0x7e3 [ 18.482662][ T3046] ubsan_type_mismatch_common+0x1e6/0x390 [ 18.488404][ T3046] __ubsan_handle_type_mismatch_v1+0x4a/0x60 [ 18.494662][ T3046] unix_autobind+0x14f/0x4d0 [ 18.499274][ T3046] ? tomoyo_socket_connect_permission+0x1dc/0x300 [ 18.505713][ T3046] unix_stream_connect+0x896/0x1010 [ 18.511209][ T3046] ? unix_bind+0x9a0/0x9a0 [ 18.515642][ T3046] ? bpf_lsm_socket_connect+0x5/0x10 [ 18.520954][ T3046] ? __sys_connect_file+0xbd/0x170 [ 18.526083][ T3046] ? __x64_sys_connect+0x148/0x1e0 [ 18.531221][ T3046] __x64_sys_connect+0x15b/0x1e0 [ 18.536184][ T3046] ? __sys_connect+0x170/0x170 [ 18.540974][ T3046] ? syscall_enter_from_user_mode+0x2e/0x1c0 [ 18.546993][ T3046] ? lockdep_hardirqs_on+0x95/0x140 [ 18.552212][ T3046] ? syscall_enter_from_user_mode+0x2e/0x1c0 [ 18.558211][ T3046] do_syscall_64+0x44/0xa0 [ 18.562649][ T3046] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 18.568558][ T3046] RIP: 0033:0x7fa1d19a6d23 [ 18.572984][ T3046] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 18 89 54 24 0c 48 [ 18.592779][ T3046] RSP: 002b:00007ffe3ca5fba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 18.601476][ T3046] RAX: ffffffffffffffda RBX: 0000559f3535a930 RCX: 00007fa1d19a6d23 [ 18.609893][ T3046] RDX: 0000000000000013 RSI: 0000559f3535a948 RDI: 0000000000000003 [ 18.618135][ T3046] RBP: 000000000000001e R08: 000000000000001e R09: 0030312e322e332d [ 18.626560][ T3046] R10: 00007ffe3ca5fcf4 R11: 0000000000000246 R12: 00007ffe3ca5fbc0 [ 18.634896][ T3046] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000007 [ 18.642900][ T3046] [ 19.205668][ T3046] ================================================================================ [ 19.215846][ T3046] Kernel panic - not syncing: panic_on_warn set ... [ 19.222533][ T3046] CPU: 0 PID: 3046 Comm: udevadm Not tainted 5.16.0-rc4-syzkaller-00161-gc741e49150db-dirty #0 [ 19.233304][ T3046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.243368][ T3046] Call Trace: [ 19.246699][ T3046] [ 19.249729][ T3046] dump_stack_lvl+0x1e3/0x2cb [ 19.255049][ T3046] ? bfq_pos_tree_add_move+0x451/0x451 [ 19.260526][ T3046] ? panic+0x7e3/0x7e3 [ 19.264636][ T3046] panic+0x2f1/0x7e3 [ 19.268561][ T3046] ? ubsan_type_mismatch_common+0x20a/0x390 [ 19.274478][ T3046] ? fb_is_primary_device+0xcc/0xcc [ 19.279697][ T3046] ? panic+0x7e3/0x7e3 [ 19.283805][ T3046] ubsan_type_mismatch_common+0x38c/0x390 [ 19.289548][ T3046] __ubsan_handle_type_mismatch_v1+0x4a/0x60 [ 19.295542][ T3046] unix_autobind+0x14f/0x4d0 [ 19.300151][ T3046] ? tomoyo_socket_connect_permission+0x1dc/0x300 [ 19.306789][ T3046] unix_stream_connect+0x896/0x1010 [ 19.312097][ T3046] ? unix_bind+0x9a0/0x9a0 [ 19.316616][ T3046] ? bpf_lsm_socket_connect+0x5/0x10 [ 19.322357][ T3046] ? __sys_connect_file+0xbd/0x170 [ 19.327486][ T3046] ? __x64_sys_connect+0x148/0x1e0 [ 19.332870][ T3046] __x64_sys_connect+0x15b/0x1e0 [ 19.338167][ T3046] ? __sys_connect+0x170/0x170 [ 19.343057][ T3046] ? syscall_enter_from_user_mode+0x2e/0x1c0 [ 19.349499][ T3046] ? lockdep_hardirqs_on+0x95/0x140 [ 19.354717][ T3046] ? syscall_enter_from_user_mode+0x2e/0x1c0 [ 19.360820][ T3046] do_syscall_64+0x44/0xa0 [ 19.365259][ T3046] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 19.371340][ T3046] RIP: 0033:0x7fa1d19a6d23 [ 19.375766][ T3046] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 18 89 54 24 0c 48 [ 19.396086][ T3046] RSP: 002b:00007ffe3ca5fba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 19.404692][ T3046] RAX: ffffffffffffffda RBX: 0000559f3535a930 RCX: 00007fa1d19a6d23 [ 19.412688][ T3046] RDX: 0000000000000013 RSI: 0000559f3535a948 RDI: 0000000000000003 [ 19.420676][ T3046] RBP: 000000000000001e R08: 000000000000001e R09: 0030312e322e332d [ 19.428658][ T3046] R10: 00007ffe3ca5fcf4 R11: 0000000000000246 R12: 00007ffe3ca5fbc0 [ 19.436730][ T3046] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000007 [ 19.444816][ T3046] [ 19.448180][ T3046] Kernel Offset: disabled [ 19.452546][ T3046] Rebooting in 86400 seconds.. Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=152f2d28080000 Tested on: commit: c741e491 Merge tag 'for-linus' of git://git.kernel.org.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git kernel config: https://syzkaller.appspot.com/x/.config?x=308b87e56290f642 dashboard link: https://syzkaller.appspot.com/bug?extid=3cc1054e15babd5f4cd2 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=150bf2f8080000