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 234A01F5424 for ; Mon, 3 Feb 2025 07:55:02 +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=1738569305; cv=none; b=CN4npUU7aV3MXEpTRWtVzsWv95pj5JtETwjllLjcxn1Y0Y8sz9gL1uXDNLWBBdXjZmfQOHOQshJAsYQGys7qco7vPVrk8EDiLknpqi/6M+FF/9eToXd0jWGikueygmFlM4VZmvXKvF28OuJMoGFooitMBh0ump7Dl8SHxO1xJWM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738569305; c=relaxed/simple; bh=CgpM+Pv1P6UGFPiSar+vhIpGFfnQkj4QIYMAwhCORcI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=o70dstZN7ooRO9qdmSJ32nJv/dJaaZ9trRta0s30VLdotNyGzsySj3khdB4/luwcua8FY2fHPcILcp7ewPqdGwRiNHFyLXL0TRrNFusyxJDt8w32+tKYVVGn1PGhwGyOyYLLwGrv9wRpBVdujWDqGFrW/5ZLFwZa+BG2XeYVx5g= 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-3cffc8affa1so25369595ab.3 for ; Sun, 02 Feb 2025 23:55:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738569302; x=1739174102; 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=eGxU7LoHEIPDdGdA0p4MVi7JpneITV3ECVtKPhbS+5Y=; b=PyUu5Har+LqLX1sdBgX0WOsbm6NJiLkKy5Hg3YWWU8PEHrnfX35Uv2Kz/yFaA93qPC Ol4edPhR6mcu0S/TG77zlbaNV8AtGpmobUPyHOUZW7ojyVMCttO5+x2HN1sbq9dkhad7 CPsu+Pd11/2jYJ4bqlN/iyIUIXLinKRecRugGaU94RyWgNZ1syqjE9b51h85p/N+03Hi lDWnprtviDdXQGXPNDTi60K0sgasTd4Ci8TyAtoUzSRtgfYS493fQhEIi0ag11PrQLr9 Xa+8Bosld5LaZrZMGL0iAJPguPI9suA73LHHu/2oLBq4uU9CyG8R4SL/BL3PjUP+Uc2M I08Q== X-Forwarded-Encrypted: i=1; AJvYcCWRaMXAPey6+a4c1Wf+q3jbX+eeXdLu86MVzrNvANnbVflasMncJstd3FW4Pa69lMs4Ac9qzdOhlhs=@vger.kernel.org X-Gm-Message-State: AOJu0Yy1dt8qVu7MfOpQ1W3fXSGSQFCMlr9mTxQ7xxWcQM88k5WMj/Bw xWUiVq0ohThdy+DIYv7iAo4jH509lXQzDp0S922yg+0DLGivaXtThqSVVM3yYTC3BiUASWi7rkt 7nHH5f+VIC6AlTM5ShrCGco1PSBq2WJ+rvSE70hneOd228X0ONeC1DLM= X-Google-Smtp-Source: AGHT+IHV+68vA6fhXL27WbCEJlVxs9qfc0cz7UJUsmC8Syz4UbegQ8sQH+N9Lx4LZX7f0Y+o4FnKcWcaJbE9rXvUqX9g+yRRKsfM Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a25:b0:3cf:c85c:4f60 with SMTP id e9e14a558f8ab-3cffe3ccff2mr153654415ab.11.1738569302189; Sun, 02 Feb 2025 23:55:02 -0800 (PST) Date: Sun, 02 Feb 2025 23:55:02 -0800 In-Reply-To: <20250203073038.GA17805@lst.de> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67a07656.050a0220.d7c5a.0081.GAE@google.com> Subject: Re: [syzbot] [xfs?] possible deadlock in xfs_buf_find_insert From: syzbot To: cem@kernel.org, chandan.babu@oracle.com, djwong@kernel.org, hch@lst.de, linux-kernel@vger.kernel.org, linux-xfs@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: T0] rcu: Preemptible hierarchical RCU implementation. [ 2.010612][ T0] rcu: RCU lockdep checking is enabled. [ 2.011402][ T0] rcu: RCU restricting CPUs from NR_CPUS=3D8 to nr_cp= u_ids=3D2. [ 2.012353][ T0] rcu: RCU callback double-/use-after-free debug is e= nabled. [ 2.013319][ T0] rcu: RCU debug extended QS entry/exit. [ 2.014072][ T0] All grace periods are expedited (rcu_expedited). [ 2.014984][ T0] Trampoline variant of Tasks RCU enabled. [ 2.015740][ T0] Tracing variant of Tasks RCU enabled. [ 2.016576][ T0] rcu: RCU calculated value of scheduler-enlistment de= lay is 10 jiffies. [ 2.017799][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=3D16, nr= _cpu_ids=3D2 [ 2.019085][ T0] Running RCU synchronous self tests [ 2.020120][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_= cb_adjust=3D1 rcu_task_cpu_ids=3D2. [ 2.021528][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu= _task_cb_adjust=3D1 rcu_task_cpu_ids=3D2. [ 2.128414][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.130465][ T0] rcu: srcu_init: Setting srcu_struct sizes based on c= ontention. [ 2.131983][ T0] kfence: initialized - using 2097152 bytes for 255 ob= jects at 0xffff88823be00000-0xffff88823c000000 [ 2.134701][ T0] Console: colour VGA+ 80x25 [ 2.135499][ T0] printk: legacy console [ttyS0] enabled [ 2.135499][ T0] printk: legacy console [ttyS0] enabled [ 2.137023][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.137023][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.138913][ T0] Lock dependency validator: Copyright (c) 2006 Red Ha= t, Inc., Ingo Molnar [ 2.140082][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.140751][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.141484][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.142184][ T0] ... CLASSHASH_SIZE: 4096 [ 2.142884][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 2.143679][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 2.144453][ T0] ... CHAINHASH_SIZE: 524288 [ 2.145319][ T0] memory used by lock dependency info: 106625 kB [ 2.146255][ T0] memory used for stack traces: 8320 kB [ 2.147150][ T0] per task-struct memory footprint: 1920 bytes [ 2.148349][ T0] mempolicy: Enabling automatic NUMA balancing. Config= ure with numa_balancing=3D or the kernel.numa_balancing sysctl [ 2.150130][ T0] ACPI: Core revision 20240827 [ 2.151799][ T0] APIC: Switch to symmetric I/O mode setup [ 2.153224][ T0] x2apic enabled [ 2.157556][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.164292][ T0] ..TIMER: vector=3D0x30 apic1=3D0 pin1=3D0 apic2=3D-1= pin2=3D-1 [ 2.165656][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max= _cycles: 0x1fb6cdb0489, max_idle_ns: 440795236064 ns [ 2.168007][ T0] Calibrating delay loop (skipped) preset value.. 4400= .32 BogoMIPS (lpj=3D22001640) [ 2.170708][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.178063][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 2.179278][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers an= d __user pointer sanitization [ 2.180882][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing= on syscall and VM exit [ 2.182464][ T0] Spectre V2 : Mitigation: IBRS [ 2.183352][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Fil= ling RSB on context switch [ 2.185620][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB o= n VMEXIT [ 2.187126][ T0] RETBleed: Mitigation: IBRS [ 2.188042][ T0] Spectre V2 : mitigation: Enabling conditional Indire= ct Branch Prediction Barrier [ 2.189783][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.191308][ T0] Speculative Store Bypass: Mitigation: Speculative St= ore Bypass disabled via prctl [ 2.192767][ T0] MDS: Mitigation: Clear CPU buffers [ 2.193900][ T0] TAA: Mitigation: Clear CPU buffers [ 2.195007][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attem= pted, no microcode [ 2.196747][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floati= ng point registers' [ 2.198001][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE regist= ers' [ 2.199054][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX regist= ers' [ 2.200127][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 2= 56 [ 2.201210][ T0] x86/fpu: Enabled xstate features 0x7, context size i= s 832 bytes, using 'standard' format. [ 2.442880][ T0] Freeing SMP alternatives memory: 128K [ 2.444580][ T0] pid_max: default: 32768 minimum: 301 [ 2.446296][ T0] LSM: initializing lsm=3Dlockdown,capability,landlock= ,yama,safesetid,tomoyo,smack,bpf,ima,evm [ 2.448422][ T0] landlock: Up and running. [ 2.449554][ T0] Yama: becoming mindful. [ 2.451102][ T0] TOMOYO Linux initialized [ 2.452555][ T0] Smack: Initializing. [ 2.453285][ T0] Smack: Netfilter enabled. [ 2.454251][ T0] Smack: IPv6 Netfilter enabled. [ 2.457026][ T0] LSM support for eBPF active [ 2.463614][ T0] Dentry cache hash table entries: 1048576 (order: 11,= 8388608 bytes, vmalloc hugepage) [ 2.468234][ T0] Inode-cache hash table entries: 524288 (order: 10, 4= 194304 bytes, vmalloc hugepage) [ 2.470255][ T0] Mount-cache hash table entries: 16384 (order: 5, 131= 072 bytes, vmalloc) [ 2.472020][ T0] Mountpoint-cache hash table entries: 16384 (order: 5= , 131072 bytes, vmalloc) [ 2.477781][ T0] Running RCU synchronous self tests [ 2.478011][ T0] Running RCU synchronous self tests [ 2.601188][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (famil= y: 0x6, model: 0x4f, stepping: 0x0) [ 2.607820][ T1] Running RCU Tasks wait API self tests [ 2.708457][ T1] Running RCU Tasks Trace wait API self tests [ 2.709846][ T1] Performance Events: unsupported p6 CPU model 79 no P= MU driver, software events only. [ 2.712156][ T1] signal: max sigframe size: 1776 [ 2.714315][ T1] rcu: Hierarchical SRCU implementation. [ 2.715360][ T1] rcu: Max phase no-delay instances is 1000. [ 2.717463][ T1] Timer migration: 1 hierarchy levels; 8 children per = group; 0 crossnode level [ 2.723005][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.725256][ T1] smp: Bringing up secondary CPUs ... [ 2.729771][ T1] smpboot: x86: Booting SMP configuration: [ 2.730820][ T1] .... node #0, CPUs: #1 [ 2.731034][ T15] Callback from call_rcu_tasks_trace() invoked. [ 2.733623][ T22] ------------[ cut here ]------------ [ 2.733623][ T22] workqueue: work disable count underflowed [ 2.733623][ T22] WARNING: CPU: 1 PID: 22 at kernel/workqueue.c:4317 e= nable_work+0x34d/0x360 [ 2.733623][ T22] Modules linked in: [ 2.733623][ T22] CPU: 1 UID: 0 PID: 22 Comm: cpuhp/1 Not tainted 6.13= .0-rc6-syzkaller-00134-ga9ab28b3d21a #0 [ 2.735303][ T22] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 12/27/2024 [ 2.737287][ T22] RIP: 0010:enable_work+0x34d/0x360 [ 2.737989][ T22] Code: d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc c= c e8 18 82 37 00 c6 05 4c c2 9a 0e 01 90 48 c7 c7 a0 d0 09 8c e8 44 25 f8 f= f 90 <0f> 0b 90 90 e9 56 ff ff ff e8 e5 76 59 0a 0f 1f 44 00 00 90 90 90 [ 2.737989][ T22] RSP: 0000:ffffc900001c7bc0 EFLAGS: 00010046 [ 2.737989][ T22] RAX: 6282fd934c3ae400 RBX: 0000000000000000 RCX: fff= f88801d2cbc00 [ 2.737989][ T22] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 2.737989][ T22] RBP: ffffc900001c7c88 R08: ffffffff815ffac2 R09: 1ff= ffffff1cfa0f4 [ 2.737989][ T22] R10: dffffc0000000000 R11: fffffbfff1cfa0f5 R12: 1ff= ff92000038f7c [ 2.737989][ T22] R13: 1ffff92000038f84 R14: 001fffffffc00001 R15: fff= f8880b8738770 [ 2.737989][ T22] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000= ) knlGS:0000000000000000 [ 2.737989][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.737989][ T22] CR2: 0000000000000000 CR3: 000000000e736000 CR4: 000= 00000003506f0 [ 2.737989][ T22] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 2.737989][ T22] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 2.737989][ T22] Call Trace: [ 2.737989][ T22] [ 2.737989][ T22] ? __warn+0x165/0x4d0 [ 2.737989][ T22] ? enable_work+0x34d/0x360 [ 2.737989][ T22] ? report_bug+0x2b3/0x500 [ 2.737989][ T22] ? enable_work+0x34d/0x360 [ 2.737989][ T22] ? handle_bug+0x60/0x90 [ 2.737989][ T22] ? exc_invalid_op+0x1a/0x50 [ 2.737989][ T22] ? asm_exc_invalid_op+0x1a/0x20 [ 2.737989][ T22] ? __warn_printk+0x292/0x360 [ 2.737989][ T22] ? enable_work+0x34d/0x360 [ 2.737989][ T22] ? __pfx_enable_work+0x10/0x10 [ 2.737989][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.737989][ T22] ? rcu_is_watching+0x15/0xb0 [ 2.737989][ T22] vmstat_cpu_online+0xbb/0xe0 [ 2.737989][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.737989][ T22] cpuhp_invoke_callback+0x48d/0x830 [ 2.737989][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.737989][ T22] cpuhp_thread_fun+0x41c/0x810 [ 2.737989][ T22] ? cpuhp_thread_fun+0x130/0x810 [ 2.737989][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.737989][ T22] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 2.737989][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.737989][ T22] smpboot_thread_fn+0x544/0xa30 [ 2.737989][ T22] ? smpboot_thread_fn+0x4e/0xa30 [ 2.737989][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.737989][ T22] kthread+0x2f0/0x390 [ 2.737989][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.737989][ T22] ? __pfx_kthread+0x10/0x10 [ 2.737989][ T22] ret_from_fork+0x4b/0x80 [ 2.737989][ T22] ? __pfx_kthread+0x10/0x10 [ 2.737989][ T22] ret_from_fork_asm+0x1a/0x30 [ 2.737989][ T22] [ 2.737989][ T22] Kernel panic - not syncing: kernel: panic_on_warn se= t ... [ 2.737989][ T22] CPU: 1 UID: 0 PID: 22 Comm: cpuhp/1 Not tainted 6.13= .0-rc6-syzkaller-00134-ga9ab28b3d21a #0 [ 2.737989][ T22] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 12/27/2024 [ 2.737989][ T22] Call Trace: [ 2.737989][ T22] [ 2.737989][ T22] dump_stack_lvl+0x241/0x360 [ 2.737989][ T22] ? __pfx_dump_stack_lvl+0x10/0x10 [ 2.737989][ T22] ? __pfx__printk+0x10/0x10 [ 2.737989][ T22] ? _printk+0xd5/0x120 [ 2.737989][ T22] ? __init_begin+0x41000/0x41000 [ 2.737989][ T22] ? vscnprintf+0x5d/0x90 [ 2.737989][ T22] panic+0x349/0x880 [ 2.737989][ T22] ? __warn+0x174/0x4d0 [ 2.737989][ T22] ? __pfx_panic+0x10/0x10 [ 2.737989][ T22] ? ret_from_fork_asm+0x1a/0x30 [ 2.737989][ T22] __warn+0x344/0x4d0 [ 2.737989][ T22] ? enable_work+0x34d/0x360 [ 2.737989][ T22] report_bug+0x2b3/0x500 [ 2.737989][ T22] ? enable_work+0x34d/0x360 [ 2.737989][ T22] handle_bug+0x60/0x90 [ 2.737989][ T22] exc_invalid_op+0x1a/0x50 [ 2.737989][ T22] asm_exc_invalid_op+0x1a/0x20 [ 2.737989][ T22] RIP: 0010:enable_work+0x34d/0x360 [ 2.737989][ T22] Code: d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc c= c e8 18 82 37 00 c6 05 4c c2 9a 0e 01 90 48 c7 c7 a0 d0 09 8c e8 44 25 f8 f= f 90 <0f> 0b 90 90 e9 56 ff ff ff e8 e5 76 59 0a 0f 1f 44 00 00 90 90 90 [ 2.737989][ T22] RSP: 0000:ffffc900001c7bc0 EFLAGS: 00010046 [ 2.737989][ T22] RAX: 6282fd934c3ae400 RBX: 0000000000000000 RCX: fff= f88801d2cbc00 [ 2.737989][ T22] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 2.737989][ T22] RBP: ffffc900001c7c88 R08: ffffffff815ffac2 R09: 1ff= ffffff1cfa0f4 [ 2.737989][ T22] R10: dffffc0000000000 R11: fffffbfff1cfa0f5 R12: 1ff= ff92000038f7c [ 2.737989][ T22] R13: 1ffff92000038f84 R14: 001fffffffc00001 R15: fff= f8880b8738770 [ 2.737989][ T22] ? __warn_printk+0x292/0x360 [ 2.737989][ T22] ? __pfx_enable_work+0x10/0x10 [ 2.737989][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.737989][ T22] ? rcu_is_watching+0x15/0xb0 [ 2.737989][ T22] vmstat_cpu_online+0xbb/0xe0 [ 2.737989][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.737989][ T22] cpuhp_invoke_callback+0x48d/0x830 [ 2.737989][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.737989][ T22] cpuhp_thread_fun+0x41c/0x810 [ 2.737989][ T22] ? cpuhp_thread_fun+0x130/0x810 [ 2.737989][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.737989][ T22] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 2.737989][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.737989][ T22] smpboot_thread_fn+0x544/0xa30 [ 2.737989][ T22] ? smpboot_thread_fn+0x4e/0xa30 [ 2.737989][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.737989][ T22] kthread+0x2f0/0x390 [ 2.737989][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.737989][ T22] ? __pfx_kthread+0x10/0x10 [ 2.737989][ T22] ret_from_fork+0x4b/0x80 [ 2.737989][ T22] ? __pfx_kthread+0x10/0x10 [ 2.737989][ T22] ret_from_fork_asm+0x1a/0x30 [ 2.737989][ T22] [ 2.737989][ T22] 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'go1.22.7' 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-build348862417=3D/tmp/go-build -gno-record-gcc= -switches' git status (err=3D) HEAD detached at 568559e4e6 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 touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D568559e4e604140cecd9fc4835eaa0298a1cadcc -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20250201-125757'" -o ./b= in/linux_amd64/syz-execprog 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 -DGOOS_linux=3D1 -DGOARCH= _amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"568559e4e604140cecd9fc4835eaa0298a= 1cadcc\" /usr/bin/ld: /tmp/ccNM92bn.o: in function `Connection::Connect(char const*,= char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEP= KcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applicat= ions requires at runtime the shared libraries from the glibc version used f= or linking Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D13491764580000 Tested on: commit: a9ab28b3 xfs: remove xfs_buf_cache.bc_lock git tree: https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/ for-ne= xt kernel config: https://syzkaller.appspot.com/x/.config?x=3Dc8502218c2b0a86= 4 dashboard link: https://syzkaller.appspot.com/bug?extid=3Dacb56162aef712929= d3f compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 Note: no patches were applied.