From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 70E472D7DC0 for ; Wed, 5 Nov 2025 20:56:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762376167; cv=none; b=RBdIvBOF/7Dkj1BNUIC4h35uJ/nbynAt7bQhDPmyGIEGvWNnow/C0fBXUSiIEdFJOdYZIuBSIDfJAAjKUm/uqV/DFfrxarGUpI81QXG1isTZx+291O5F6LcDm4IEhf7CT0mD7+Ogk419zBu6rlCJoRs4JDmJzgLdj3QjjZOT8z4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762376167; c=relaxed/simple; bh=hzBpjQv+o/DTCWMu5DBoc+BvgEjP1zhwMOs2yiBIAgw=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=qOVNrei4ZZiQ0v0IDpjZM4/f+vaNFQtAK6FGp7/biG20OMpARaJ5m2LLBcjpE87cbabqxYoafg9UHwU0RKNHEHeeRzdaTrxj+ip0TOZdu0HOCFZRaSQrQlzMr5BpQg0lqKqXe333/ZXto/1IvkeFNvI19347EExDulO4pjkXwHc= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-433270dad0dso3022465ab.0 for ; Wed, 05 Nov 2025 12:56:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762376163; x=1762980963; 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=V3ADeQpiOp638EHQGkX4nAhqUuOM9S519pNeKBgwEtw=; b=lPd/aW4ONgQQeL+lgTmBTD1glzdptKkDOdATFDjtRGIooNDCuLDRj4gQe7bQwgKjHt Df2strIqMdGD99h1jMUGYPHpNaQ4oDteeWOjv46vM3MqcfokM9MLcGK1kqNuRE67ZeXy E5memJRLza4ZFVwaA0taZGQHyCJqnfTYZiJ/1DWLmZPrdJdYabzTfLxekOX4pdZC5SXx K4WPV/aZqrG0moGlnMsKpZagGIxAJKXlIqpJspGC4/rWV8NAOyR8EyWuJIvbT6Uv6D0B 27WaAoNW4ePURiRytRZLzwJhmNDH22oIVmRbhKX7bEbPzjWfD7ftIdY9j5d9sEiWG+7g I8Bw== X-Forwarded-Encrypted: i=1; AJvYcCWBo9y5IsOdcBlRB7TYnX65vdKiYITAeOW/N9h8WhJ4bFXd859d+G2zf5hkxSUWmdzl0EFD7BSBv91S551vl8J5cwIJfb8=@vger.kernel.org X-Gm-Message-State: AOJu0Yz8DVS1SZyXa+s5EN2eLfaflXKmI2i2k/sOuGDlYytj4lqoadOq CUG4izhCO5iDqs5x2rQcA09QQwOCSzN64kxkSlDp/F+voccTX77E67xYU1pyV3hmu4SqUsJ722g gh8VgdB1a7DFkCChE+r6JiRmfE/gVdi3wW75KH2jZ9ItKXW/2oVNRHPM8Bq8= X-Google-Smtp-Source: AGHT+IGiah7ThoXyNFEfYoip3cikOQAREySwBKaKQy+xzpkpiT14araBKpr4synk9JGzeisDrHn24NyjFVbKiWAi6riZ4lBN93Af Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2503:b0:433:2d7d:b8d8 with SMTP id e9e14a558f8ab-4334ee298ecmr13672955ab.1.1762376163425; Wed, 05 Nov 2025 12:56:03 -0800 (PST) Date: Wed, 05 Nov 2025 12:56:03 -0800 In-Reply-To: <20251105193800.2340868-1-mic@digikod.net> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <690bb9e3.050a0220.3d0d33.009d.GAE@google.com> Subject: Re: [syzbot] [fs?] BUG: sleeping function called from invalid context in hook_sb_delete From: syzbot To: brauner@kernel.org, eadavis@qq.com, gnoack@google.com, hdanton@sina.com, jack@suse.cz, jannh@google.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, m@maowtm.org, max.kellermann@ionos.com, mic@digikod.net, mjguzik@gmail.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk 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: f [ 104.167925][ T5820] ? clear_bhb_loop+0x60/0xb0 [ 104.167948][ T5820] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.167967][ T5820] RIP: 0033:0x7f9a9fef16c5 [ 104.167983][ T5820] Code: Unable to access opcode bytes at 0x7f9a9fef169= b. [ 104.167993][ T5820] RSP: 002b:00007fff0fc3e0f8 EFLAGS: 00000246 ORIG_RAX= : 00000000000000e7 [ 104.168021][ T5820] RAX: ffffffffffffffda RBX: 00005583ec761b10 RCX: 000= 07f9a9fef16c5 [ 104.168036][ T5820] RDX: 00000000000000e7 RSI: fffffffffffffe68 RDI: 000= 0000000000000 [ 104.168048][ T5820] RBP: 00005583ec738910 R08: 0000000000000000 R09: 000= 0000000000000 [ 104.168060][ T5820] R10: 0000000000000000 R11: 0000000000000246 R12: 000= 0000000000000 [ 104.168071][ T5820] R13: 00007fff0fc3e140 R14: 0000000000000000 R15: 000= 0000000000000 [ 104.168101][ T5820] 2025/11/05 20:54:56 parsed 1 programs [ 105.509351][ T5829] BUG: sleeping function called from invalid context a= t fs/inode.c:1920 [ 105.518601][ T5829] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pi= d: 5829, name: syz-execprog [ 105.528439][ T5829] preempt_count: 1, expected: 0 [ 105.533521][ T5829] RCU nest depth: 0, expected: 0 [ 105.538811][ T5829] 1 lock held by syz-execprog/5829: [ 105.544194][ T5829] #0: ffff88807e6f68d8 (&sb->s_type->i_lock_key#9){+.= +.}-{3:3}, at: iput+0x2db/0x1050 [ 105.554222][ T5829] Preemption disabled at: [ 105.554232][ T5829] [<0000000000000000>] 0x0 [ 105.564065][ T5829] CPU: 0 UID: 0 PID: 5829 Comm: syz-execprog Tainted: = G W syzkaller #0 PREEMPT(full)=20 [ 105.564091][ T5829] Tainted: [W]=3DWARN [ 105.564096][ T5829] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 10/02/2025 [ 105.564105][ T5829] Call Trace: [ 105.564114][ T5829] [ 105.564121][ T5829] dump_stack_lvl+0x189/0x250 [ 105.564144][ T5829] ? __pfx_dump_stack_lvl+0x10/0x10 [ 105.564160][ T5829] ? __pfx__printk+0x10/0x10 [ 105.564176][ T5829] ? call_rcu+0x6ff/0x9c0 [ 105.564197][ T5829] ? print_lock_name+0xde/0x100 [ 105.564218][ T5829] __might_resched+0x495/0x610 [ 105.564241][ T5829] ? __pfx___might_resched+0x10/0x10 [ 105.564258][ T5829] ? do_raw_spin_lock+0x121/0x290 [ 105.564286][ T5829] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 105.564320][ T5829] iput+0x741/0x1050 [ 105.564352][ T5829] __dentry_kill+0x209/0x660 [ 105.564371][ T5829] ? dput+0x37/0x2b0 [ 105.564389][ T5829] dput+0x19f/0x2b0 [ 105.564406][ T5829] __fput+0x68e/0xa70 [ 105.564431][ T5829] fput_close_sync+0x113/0x220 [ 105.564450][ T5829] ? __pfx_fput_close_sync+0x10/0x10 [ 105.564470][ T5829] ? do_raw_spin_unlock+0x122/0x240 [ 105.564495][ T5829] __x64_sys_close+0x7f/0x110 [ 105.564517][ T5829] do_syscall_64+0xfa/0xfa0 [ 105.564541][ T5829] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 105.564558][ T5829] ? clear_bhb_loop+0x60/0xb0 [ 105.564577][ T5829] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 105.564593][ T5829] RIP: 0033:0x40dd0e [ 105.564610][ T5829] Code: 24 28 44 8b 44 24 2c e9 70 ff ff ff cc cc cc c= c cc cc cc cc cc cc cc cc cc cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0= f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48 [ 105.564625][ T5829] RSP: 002b:000000c002db1760 EFLAGS: 00000212 ORIG_RAX= : 0000000000000003 [ 105.564688][ T5829] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000= 000000040dd0e [ 105.564701][ T5829] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000003 [ 105.564711][ T5829] RBP: 000000c002db17a0 R08: 0000000000000000 R09: 000= 0000000000000 [ 105.564723][ T5829] R10: 0000000000000000 R11: 0000000000000212 R12: 000= 000c002db18c0 [ 105.564735][ T5829] R13: 00000000000007ff R14: 000000c000002380 R15: 000= 000c0008937c0 [ 105.564765][ T5829] [ 107.337546][ T5837] BUG: sleeping function called from invalid context a= t fs/inode.c:1920 [ 107.347227][ T5837] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pi= d: 5837, name: dhcpcd [ 107.356267][ T5837] preempt_count: 1, expected: 0 [ 107.361915][ T5837] RCU nest depth: 0, expected: 0 [ 107.367125][ T5837] 1 lock held by dhcpcd/5837: [ 107.373083][ T5837] #0: ffff88807e6fa3d8 (&sb->s_type->i_lock_key#9){+.= +.}-{3:3}, at: iput+0x2db/0x1050 [ 107.384068][ T5837] Preemption disabled at: [ 107.384082][ T5837] [<0000000000000000>] 0x0 [ 107.393377][ T5837] CPU: 1 UID: 0 PID: 5837 Comm: dhcpcd Tainted: G = W syzkaller #0 PREEMPT(full)=20 [ 107.393403][ T5837] Tainted: [W]=3DWARN [ 107.393408][ T5837] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 10/02/2025 [ 107.393417][ T5837] Call Trace: [ 107.393424][ T5837] [ 107.393430][ T5837] dump_stack_lvl+0x189/0x250 [ 107.393456][ T5837] ? __pfx_dump_stack_lvl+0x10/0x10 [ 107.393480][ T5837] ? __pfx__printk+0x10/0x10 [ 107.393503][ T5837] ? print_lock_name+0xde/0x100 [ 107.393526][ T5837] __might_resched+0x495/0x610 [ 107.393553][ T5837] ? __pfx___might_resched+0x10/0x10 [ 107.393570][ T5837] ? do_raw_spin_lock+0x121/0x290 [ 107.393597][ T5837] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 107.393632][ T5837] iput+0x741/0x1050 [ 107.393662][ T5837] __dentry_kill+0x209/0x660 [ 107.393681][ T5837] ? dput+0x37/0x2b0 [ 107.393699][ T5837] dput+0x19f/0x2b0 [ 107.393717][ T5837] __fput+0x68e/0xa70 [ 107.393749][ T5837] fput_close_sync+0x113/0x220 [ 107.393768][ T5837] ? __pfx_fput_close_sync+0x10/0x10 [ 107.393790][ T5837] ? do_raw_spin_unlock+0x122/0x240 [ 107.393819][ T5837] __x64_sys_close+0x7f/0x110 [ 107.393843][ T5837] do_syscall_64+0xfa/0xfa0 [ 107.393871][ T5837] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 107.393890][ T5837] ? clear_bhb_loop+0x60/0xb0 [ 107.393915][ T5837] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 107.393933][ T5837] RIP: 0033:0x7fc58c16c407 [ 107.393950][ T5837] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 0= 0 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0= f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 107.393968][ T5837] RSP: 002b:00007ffc1197cc80 EFLAGS: 00000202 ORIG_RAX= : 0000000000000003 [ 107.393988][ T5837] RAX: ffffffffffffffda RBX: 00007fc58c0e2740 RCX: 000= 07fc58c16c407 [ 107.394002][ T5837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000003 [ 107.394014][ T5837] RBP: 000055fc7ab074b0 R08: 0000000000000000 R09: 000= 0000000000000 [ 107.394026][ T5837] R10: 0000000000000000 R11: 0000000000000202 R12: 000= 0000000000000 [ 107.394038][ T5837] R13: 000055fc83902290 R14: 0000000000000000 R15: 000= 055fc7ab1cac0 [ 107.394071][ T5837] [ 108.750656][ T5835] cgroup: Unknown subsys name 'net' [ 108.759273][ T5835] BUG: sleeping function called from invalid context a= t fs/inode.c:1920 [ 108.769492][ T5835] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pi= d: 5835, name: syz-executor [ 108.782190][ T5835] preempt_count: 1, expected: 0 [ 108.787683][ T5835] RCU nest depth: 0, expected: 0 [ 108.792976][ T5835] 2 locks held by syz-executor/5835: [ 108.799370][ T5835] #0: ffff8880340e80e0 (&type->s_umount_key#44){+.+.}= -{4:4}, at: deactivate_super+0xa9/0xe0 [ 108.811870][ T5835] #1: ffff888077e41970 (&sb->s_type->i_lock_key#33){+= .+.}-{3:3}, at: iput+0x2db/0x1050 [ 108.822811][ T5835] Preemption disabled at: [ 108.822824][ T5835] [<0000000000000000>] 0x0 [ 108.833460][ T5835] CPU: 1 UID: 0 PID: 5835 Comm: syz-executor Tainted: = G W syzkaller #0 PREEMPT(full)=20 [ 108.833488][ T5835] Tainted: [W]=3DWARN [ 108.833493][ T5835] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 10/02/2025 [ 108.833502][ T5835] Call Trace: [ 108.833508][ T5835] [ 108.833515][ T5835] dump_stack_lvl+0x189/0x250 [ 108.833542][ T5835] ? __pfx_dump_stack_lvl+0x10/0x10 [ 108.833561][ T5835] ? __pfx__printk+0x10/0x10 [ 108.833580][ T5835] ? print_lock_name+0xde/0x100 [ 108.833601][ T5835] __might_resched+0x495/0x610 [ 108.833625][ T5835] ? __pfx___might_resched+0x10/0x10 [ 108.833642][ T5835] ? do_raw_spin_lock+0x121/0x290 [ 108.833666][ T5835] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 108.833699][ T5835] iput+0x741/0x1050 [ 108.833731][ T5835] __dentry_kill+0x209/0x660 [ 108.833751][ T5835] ? dput+0x37/0x2b0 [ 108.833770][ T5835] dput+0x19f/0x2b0 [ 108.833789][ T5835] shrink_dcache_for_umount+0xa0/0x170 [ 108.833815][ T5835] generic_shutdown_super+0x67/0x2c0 [ 108.833843][ T5835] kill_anon_super+0x3b/0x70 [ 108.833868][ T5835] kernfs_kill_sb+0x161/0x180 [ 108.833895][ T5835] deactivate_locked_super+0xbc/0x130 [ 108.833920][ T5835] cleanup_mnt+0x425/0x4c0 [ 108.833943][ T5835] ? lockdep_hardirqs_on+0x9c/0x150 [ 108.833970][ T5835] task_work_run+0x1d4/0x260 [ 108.833998][ T5835] ? __pfx_task_work_run+0x10/0x10 [ 108.834027][ T5835] ? exit_to_user_mode_loop+0x55/0x4f0 [ 108.834058][ T5835] exit_to_user_mode_loop+0xff/0x4f0 [ 108.834084][ T5835] ? rcu_is_watching+0x15/0xb0 [ 108.834109][ T5835] do_syscall_64+0x2e9/0xfa0 [ 108.834135][ T5835] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.834152][ T5835] ? clear_bhb_loop+0x60/0xb0 [ 108.834175][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.834192][ T5835] RIP: 0033:0x7f2c235901f7 [ 108.834208][ T5835] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1= f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0= f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 [ 108.834224][ T5835] RSP: 002b:00007ffeee90f4f8 EFLAGS: 00000246 ORIG_RAX= : 00000000000000a6 [ 108.834244][ T5835] RAX: 0000000000000000 RBX: 00007ffeee90f5f0 RCX: 000= 07f2c235901f7 [ 108.834256][ T5835] RDX: 00007f2c23623d15 RSI: 0000000000000000 RDI: 000= 07f2c236125ca [ 108.834266][ T5835] RBP: 00007f2c236125ca R08: 00007f2c236128ae R09: 000= 0000000000000 [ 108.834277][ T5835] R10: 0000000000000000 R11: 0000000000000246 R12: 000= 07f2c23612844 [ 108.834287][ T5835] R13: 00007f2c23623d15 R14: 00007ffeee90f608 R15: 000= 07ffeee90f500 [ 108.834313][ T5835] [ 109.214905][ T5835] cgroup: Unknown subsys name 'cpuset' [ 109.226104][ T5835] cgroup: Unknown subsys name 'rlimit' [ 110.666383][ T5835] Adding 124996k swap on ./swap-file. Priority:0 exte= nts:1 across:124996k=20 [ 110.845546][ T5195] BUG: sleeping function called from invalid context a= t fs/inode.c:1920 [ 110.854984][ T5195] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pi= d: 5195, name: udevd [ 110.865089][ T5195] preempt_count: 1, expected: 0 [ 110.870130][ T5195] RCU nest depth: 0, expected: 0 [ 110.875858][ T5195] 2 locks held by udevd/5195: [ 110.881834][ T5195] #0: ffff88802feb6420 (sb_writers#5){.+.+}-{0:0}, at= : mnt_want_write+0x41/0x90 [ 110.893073][ T5195] #1: ffff8880306928e8 (&sb->s_type->i_lock_key){+.+.= }-{3:3}, at: iput+0x2db/0x1050 [ 110.903490][ T5195] Preemption disabled at: [ 110.903505][ T5195] [<0000000000000000>] 0x0 [ 110.912829][ T5195] CPU: 1 UID: 0 PID: 5195 Comm: udevd Tainted: G = W syzkaller #0 PREEMPT(full)=20 [ 110.912861][ T5195] Tainted: [W]=3DWARN [ 110.912867][ T5195] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 10/02/2025 [ 110.912878][ T5195] Call Trace: [ 110.912886][ T5195] [ 110.912894][ T5195] dump_stack_lvl+0x189/0x250 [ 110.912924][ T5195] ? __pfx_dump_stack_lvl+0x10/0x10 [ 110.912946][ T5195] ? __pfx__printk+0x10/0x10 [ 110.912969][ T5195] ? print_lock_name+0xde/0x100 [ 110.912994][ T5195] __might_resched+0x495/0x610 [ 110.913020][ T5195] ? __pfx___might_resched+0x10/0x10 [ 110.913036][ T5195] ? do_raw_spin_lock+0x121/0x290 [ 110.913063][ T5195] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 110.913095][ T5195] iput+0x741/0x1050 [ 110.913122][ T5195] do_unlinkat+0x39f/0x560 [ 110.913155][ T5195] ? __pfx_do_unlinkat+0x10/0x10 [ 110.913182][ T5195] ? strncpy_from_user+0x150/0x2c0 [ 110.913209][ T5195] ? getname_flags+0x1e5/0x540 [ 110.913232][ T5195] __x64_sys_unlink+0x47/0x50 [ 110.913267][ T5195] do_syscall_64+0xfa/0xfa0 [ 110.913295][ T5195] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.913313][ T5195] ? clear_bhb_loop+0x60/0xb0 [ 110.913335][ T5195] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.913354][ T5195] RIP: 0033:0x7f9a9ff15937 [ 110.913371][ T5195] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 0= 0 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0= f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 110.913387][ T5195] RSP: 002b:00007fff0fc3e2a8 EFLAGS: 00000202 ORIG_RAX= : 0000000000000057 [ 110.913408][ T5195] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 000= 07f9a9ff15937 [ 110.913422][ T5195] RDX: ffffffffffffffff RSI: 000000000000000b RDI: 000= 05583c5bc802e [ 110.913434][ T5195] RBP: 0000000000000000 R08: 0000000000000000 R09: 000= 0000000000000 [ 110.913445][ T5195] R10: 0000000000000000 R11: 0000000000000202 R12: 000= 0000000000000 [ 110.913456][ T5195] R13: 00005583c5be3100 R14: 0000000000000000 R15: 000= 0000000000000 [ 110.913486][ T5195] syzkaller build log: go env (err=3D) AR=3D'ar' CC=3D'gcc' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_ENABLED=3D'1' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' CXX=3D'g++' GCCGO=3D'gccgo' GO111MODULE=3D'auto' GOAMD64=3D'v1' GOARCH=3D'amd64' GOAUTH=3D'netrc' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOCACHEPROG=3D'' GODEBUG=3D'' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFIPS140=3D'off' GOFLAGS=3D'' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build2124321294=3D/tmp/go-build -gno-record-gc= c-switches' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMOD=3D'/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mo= d' GOMODCACHE=3D'/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs/linux/gopath' GOPRIVATE=3D'' GOPROXY=3D'https://proxy.golang.org,direct' GOROOT=3D'/usr/local/go' GOSUMDB=3D'sum.golang.org' GOTELEMETRY=3D'local' GOTELEMETRYDIR=3D'/syzkaller/.config/go/telemetry' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/usr/local/go/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.24.4' GOWORK=3D'' PKG_CONFIG=3D'pkg-config' git status (err=3D) HEAD detached at 7e2882b3269 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}}' -ldflags=3D"-s -w -X github.com/google/syzkaller/pr= og.GitRevision=3D7e2882b32698b70f3149aee00c41e3d2d941dca3 -X github.com/goo= gle/syzkaller/prog.gitRevisionDate=3D20251007-152513" ./sys/syz-sysgen | g= rep -q false || go install -ldflags=3D"-s -w -X github.com/google/syzkaller= /prog.GitRevision=3D7e2882b32698b70f3149aee00c41e3d2d941dca3 -X github.com/= google/syzkaller/prog.gitRevisionDate=3D20251007-152513" ./sys/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=3D7e2882b32698b70f3149aee00c41e3d2d941dca3 -X g= ithub.com/google/syzkaller/prog.gitRevisionDate=3D20251007-152513" -o ./bi= n/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\"7e2882b32698b70f3149aee00c41e3d2d9= 41dca3\" /usr/bin/ld: /tmp/ccT2jI60.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 ./tools/check-syzos.sh 2>/dev/null Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D11651084580000 Tested on: commit: 84d39fb9 Add linux-next specific files for 20251105 git tree: linux-next kernel config: https://syzkaller.appspot.com/x/.config?x=3Dbebc0cb9c2989b8= 1 dashboard link: https://syzkaller.appspot.com/bug?extid=3D12479ae15958fc3f5= 4ec compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-= 1~exp1~20250708183702.136), Debian LLD 20.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D139f532f9800= 00