From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 D9DCA7462 for ; Sun, 12 Jan 2025 00:33:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736641986; cv=none; b=UVbn/s5xHRkeCBqp6X7f8QxVwApiJOx9iogMrT/7gcvhdta+OABznbV5tqWv8dYu/bd3tSbZlA/MZwIz8p70/GnsKgDzdlM8fE3Oic9tu3LrK7OmRJ3DiFg5yEzxKRB5md+SshTomyzWdW6pICpZQsyZ8Gv/p4yxeZa88+LKFQY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736641986; c=relaxed/simple; bh=yE9gcrdmgqVDIt4VjY0gV5mU0RTVQ87hM4Y2GUihAZ8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; 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linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a2f:b0:3ce:6758:2500 with SMTP id e9e14a558f8ab-3ce67582947mr16176795ab.13.1736641984046; Sat, 11 Jan 2025 16:33:04 -0800 (PST) Date: Sat, 11 Jan 2025 16:33:04 -0800 In-Reply-To: <20250112001134.1770-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67830dc0.050a0220.216c54.0029.GAE@google.com> Subject: Re: [syzbot] [kernel?] possible deadlock in binder_alloc_free_page From: syzbot To: hdanton@sina.com, 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: WARNING in __debugfs_file_get ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5834 at fs/debugfs/file.c:90 __debugfs_file_get+0x5e3/= 0x6f0 fs/debugfs/file.c:90 Modules linked in: CPU: 1 UID: 0 PID: 5834 Comm: syz-executor Not tainted 6.13.0-rc6-next-2025= 0110-syzkaller-g2b88851f583d-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Goo= gle 09/13/2024 RIP: 0010:__debugfs_file_get+0x5e3/0x6f0 fs/debugfs/file.c:90 Code: 3f 01 48 b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 0f 85 e9 = 00 00 00 44 8b 74 24 40 e9 4f ff ff ff e8 2e 90 19 fe 90 <0f> 0b 90 b8 ea f= f ff ff 4c 8b 3c 24 e9 5c ff ff ff 44 89 e9 80 e1 RSP: 0018:ffffc900040ff720 EFLAGS: 00010293 RAX: ffffffff83a5b0b2 RBX: 1ffff11004680fc2 RCX: ffff888027e38000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900040ff7d0 R08: ffffffff83a5abc7 R09: ffffffff8235b45d R10: 0000000000000002 R11: ffffffff83a5b7b0 R12: 0000000000000000 R13: ffff888023407e10 R14: dffffc0000000000 R15: ffffffff8c47e761 FS: 00005555811cc500(0000) GS:ffff8880b8700000(0000) knlGS:000000000000000= 0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a441e34c8 CR3: 0000000078ba8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: debugfs_file_get fs/debugfs/file.c:152 [inline] open_proxy_open+0x4f/0x4c0 fs/debugfs/file.c:283 do_dentry_open+0xdec/0x1960 fs/open.c:955 vfs_open+0x3b/0x370 fs/open.c:1085 do_open fs/namei.c:3828 [inline] path_openat+0x2c74/0x3580 fs/namei.c:3987 do_filp_open+0x27f/0x4e0 fs/namei.c:4014 do_sys_openat2+0x13e/0x1d0 fs/open.c:1427 do_sys_open fs/open.c:1442 [inline] __do_sys_openat fs/open.c:1458 [inline] __se_sys_openat fs/open.c:1453 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1453 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0a44184611 Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d 3a 7f 1c 00 00 = 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff f= f 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25 RSP: 002b:00007ffefaf48b90 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007f0a44184611 RDX: 0000000000080001 RSI: 00007f0a441e34c8 RDI: 00000000ffffff9c RBP: 00007f0a441e34c8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000b R13: 00007ffefaf48c30 R14: 00007f0a44201a6d R15: 00005555811e6010 Warning: Permanently added '10.128.1.98' (ED25519) to the list of known hos= ts. 2025/01/12 00:31:45 ignoring optional flag "sandboxArg"=3D"0" 2025/01/12 00:31:45 parsed 1 programs [ 65.085843][ T5834] ------------[ cut here ]------------ [ 65.091402][ T5834] WARNING: CPU: 1 PID: 5834 at fs/debugfs/file.c:90 __= debugfs_file_get+0x5e3/0x6f0 [ 65.100743][ T5834] Modules linked in: [ 65.104667][ T5834] CPU: 1 UID: 0 PID: 5834 Comm: syz-executor Not taint= ed 6.13.0-rc6-next-20250110-syzkaller-g2b88851f583d-dirty #0 [ 65.116850][ T5834] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 09/13/2024 [ 65.127029][ T5834] RIP: 0010:__debugfs_file_get+0x5e3/0x6f0 [ 65.132936][ T5834] Code: 3f 01 48 b8 00 00 00 00 00 fc ff df 41 0f b6 4= 4 05 00 84 c0 0f 85 e9 00 00 00 44 8b 74 24 40 e9 4f ff ff ff e8 2e 90 19 f= e 90 <0f> 0b 90 b8 ea ff ff ff 4c 8b 3c 24 e9 5c ff ff ff 44 89 e9 80 e1 [ 65.152788][ T5834] RSP: 0018:ffffc900040ff720 EFLAGS: 00010293 [ 65.158858][ T5834] RAX: ffffffff83a5b0b2 RBX: 1ffff11004680fc2 RCX: fff= f888027e38000 [ 65.166875][ T5834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 65.174980][ T5834] RBP: ffffc900040ff7d0 R08: ffffffff83a5abc7 R09: fff= fffff8235b45d [ 65.183044][ T5834] R10: 0000000000000002 R11: ffffffff83a5b7b0 R12: 000= 0000000000000 [ 65.191090][ T5834] R13: ffff888023407e10 R14: dffffc0000000000 R15: fff= fffff8c47e761 [ 65.199056][ T5834] FS: 00005555811cc500(0000) GS:ffff8880b8700000(0000= ) knlGS:0000000000000000 [ 65.208020][ T5834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.214659][ T5834] CR2: 00007f0a441e34c8 CR3: 0000000078ba8000 CR4: 000= 00000003526f0 [ 65.222668][ T5834] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 65.230697][ T5834] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 65.238662][ T5834] Call Trace: [ 65.241982][ T5834] [ 65.244921][ T5834] ? __warn+0x165/0x4d0 [ 65.249069][ T5834] ? __debugfs_file_get+0x5e3/0x6f0 [ 65.254331][ T5834] ? report_bug+0x2b3/0x500 [ 65.258872][ T5834] ? __debugfs_file_get+0x5e3/0x6f0 [ 65.264138][ T5834] ? handle_bug+0x60/0x90 [ 65.268512][ T5834] ? exc_invalid_op+0x1a/0x50 [ 65.273268][ T5834] ? asm_exc_invalid_op+0x1a/0x20 [ 65.278305][ T5834] ? __pfx_open_proxy_open+0x10/0x10 [ 65.283636][ T5834] ? do_dentry_open+0x65d/0x1960 [ 65.288584][ T5834] ? __debugfs_file_get+0xf7/0x6f0 [ 65.293754][ T5834] ? __debugfs_file_get+0x5e2/0x6f0 [ 65.298964][ T5834] ? __debugfs_file_get+0x5e3/0x6f0 [ 65.304258][ T5834] ? __pfx___debugfs_file_get+0x10/0x10 [ 65.309817][ T5834] ? __pfx_apparmor_file_open+0x10/0x10 [ 65.315611][ T5834] ? mnt_get_write_access+0x68/0x2b0 [ 65.320969][ T5834] ? mnt_get_write_access+0x68/0x2b0 [ 65.326282][ T5834] open_proxy_open+0x4f/0x4c0 [ 65.331042][ T5834] ? do_dentry_open+0xde0/0x1960 [ 65.336000][ T5834] ? __pfx_open_proxy_open+0x10/0x10 [ 65.341336][ T5834] do_dentry_open+0xdec/0x1960 [ 65.346116][ T5834] ? vfs_open+0x31/0x370 [ 65.350613][ T5834] vfs_open+0x3b/0x370 [ 65.354693][ T5834] path_openat+0x2c74/0x3580 [ 65.359295][ T5834] ? count_memcg_event_mm+0x94/0x420 [ 65.364639][ T5834] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 65.370765][ T5834] ? __pfx_path_openat+0x10/0x10 [ 65.375709][ T5834] do_filp_open+0x27f/0x4e0 [ 65.380201][ T5834] ? __pfx_do_filp_open+0x10/0x10 [ 65.385285][ T5834] ? do_raw_spin_lock+0x14f/0x370 [ 65.390343][ T5834] do_sys_openat2+0x13e/0x1d0 [ 65.395105][ T5834] ? __pfx_do_sys_openat2+0x10/0x10 [ 65.400334][ T5834] ? __pfx_lock_acquire+0x10/0x10 [ 65.405419][ T5834] __x64_sys_openat+0x247/0x2a0 [ 65.410366][ T5834] ? __pfx___x64_sys_openat+0x10/0x10 [ 65.415809][ T5834] ? exc_page_fault+0x590/0x8b0 [ 65.420701][ T5834] ? do_syscall_64+0xb6/0x230 [ 65.425367][ T5834] do_syscall_64+0xf3/0x230 [ 65.429850][ T5834] ? clear_bhb_loop+0x35/0x90 [ 65.434588][ T5834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.440638][ T5834] RIP: 0033:0x7f0a44184611 [ 65.445169][ T5834] Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 4= 9 80 3d 3a 7f 1c 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0= f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25 [ 65.465236][ T5834] RSP: 002b:00007ffefaf48b90 EFLAGS: 00000202 ORIG_RAX= : 0000000000000101 [ 65.473715][ T5834] RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 000= 07f0a44184611 [ 65.481783][ T5834] RDX: 0000000000080001 RSI: 00007f0a441e34c8 RDI: 000= 00000ffffff9c [ 65.489766][ T5834] RBP: 00007f0a441e34c8 R08: 0000000000000000 R09: 000= 0000000000000 [ 65.497775][ T5834] R10: 0000000000000000 R11: 0000000000000202 R12: 000= 000000000000b [ 65.505824][ T5834] R13: 00007ffefaf48c30 R14: 00007f0a44201a6d R15: 000= 05555811e6010 [ 65.513863][ T5834] [ 65.516994][ T5834] Kernel panic - not syncing: kernel: panic_on_warn se= t ... [ 65.524276][ T5834] CPU: 1 UID: 0 PID: 5834 Comm: syz-executor Not taint= ed 6.13.0-rc6-next-20250110-syzkaller-g2b88851f583d-dirty #0 [ 65.536331][ T5834] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 09/13/2024 [ 65.546493][ T5834] Call Trace: [ 65.549767][ T5834] [ 65.552703][ T5834] dump_stack_lvl+0x241/0x360 [ 65.557389][ T5834] ? __pfx_dump_stack_lvl+0x10/0x10 [ 65.562754][ T5834] ? __pfx__printk+0x10/0x10 [ 65.567621][ T5834] ? _printk+0xd5/0x120 [ 65.571781][ T5834] ? __init_begin+0x41000/0x41000 [ 65.576798][ T5834] ? vscnprintf+0x5d/0x90 [ 65.581117][ T5834] panic+0x349/0x880 [ 65.585016][ T5834] ? __warn+0x174/0x4d0 [ 65.589177][ T5834] ? __pfx_panic+0x10/0x10 [ 65.593615][ T5834] __warn+0x344/0x4d0 [ 65.597603][ T5834] ? __debugfs_file_get+0x5e3/0x6f0 [ 65.602797][ T5834] report_bug+0x2b3/0x500 [ 65.607125][ T5834] ? __debugfs_file_get+0x5e3/0x6f0 [ 65.612332][ T5834] handle_bug+0x60/0x90 [ 65.616488][ T5834] exc_invalid_op+0x1a/0x50 [ 65.620993][ T5834] asm_exc_invalid_op+0x1a/0x20 [ 65.625841][ T5834] RIP: 0010:__debugfs_file_get+0x5e3/0x6f0 [ 65.631641][ T5834] Code: 3f 01 48 b8 00 00 00 00 00 fc ff df 41 0f b6 4= 4 05 00 84 c0 0f 85 e9 00 00 00 44 8b 74 24 40 e9 4f ff ff ff e8 2e 90 19 f= e 90 <0f> 0b 90 b8 ea ff ff ff 4c 8b 3c 24 e9 5c ff ff ff 44 89 e9 80 e1 [ 65.651239][ T5834] RSP: 0018:ffffc900040ff720 EFLAGS: 00010293 [ 65.657312][ T5834] RAX: ffffffff83a5b0b2 RBX: 1ffff11004680fc2 RCX: fff= f888027e38000 [ 65.665277][ T5834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 65.673245][ T5834] RBP: ffffc900040ff7d0 R08: ffffffff83a5abc7 R09: fff= fffff8235b45d [ 65.681210][ T5834] R10: 0000000000000002 R11: ffffffff83a5b7b0 R12: 000= 0000000000000 [ 65.689178][ T5834] R13: ffff888023407e10 R14: dffffc0000000000 R15: fff= fffff8c47e761 [ 65.697147][ T5834] ? __pfx_open_proxy_open+0x10/0x10 [ 65.702429][ T5834] ? do_dentry_open+0x65d/0x1960 [ 65.707352][ T5834] ? __debugfs_file_get+0xf7/0x6f0 [ 65.712450][ T5834] ? __debugfs_file_get+0x5e2/0x6f0 [ 65.717644][ T5834] ? __pfx___debugfs_file_get+0x10/0x10 [ 65.723182][ T5834] ? __pfx_apparmor_file_open+0x10/0x10 [ 65.728720][ T5834] ? mnt_get_write_access+0x68/0x2b0 [ 65.733995][ T5834] ? mnt_get_write_access+0x68/0x2b0 [ 65.739270][ T5834] open_proxy_open+0x4f/0x4c0 [ 65.743937][ T5834] ? do_dentry_open+0xde0/0x1960 [ 65.748866][ T5834] ? __pfx_open_proxy_open+0x10/0x10 [ 65.754146][ T5834] do_dentry_open+0xdec/0x1960 [ 65.758903][ T5834] ? vfs_open+0x31/0x370 [ 65.763146][ T5834] vfs_open+0x3b/0x370 [ 65.767204][ T5834] path_openat+0x2c74/0x3580 [ 65.771786][ T5834] ? count_memcg_event_mm+0x94/0x420 [ 65.777074][ T5834] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 65.783059][ T5834] ? __pfx_path_openat+0x10/0x10 [ 65.787998][ T5834] do_filp_open+0x27f/0x4e0 [ 65.792669][ T5834] ? __pfx_do_filp_open+0x10/0x10 [ 65.797684][ T5834] ? do_raw_spin_lock+0x14f/0x370 [ 65.802720][ T5834] do_sys_openat2+0x13e/0x1d0 [ 65.807389][ T5834] ? __pfx_do_sys_openat2+0x10/0x10 [ 65.812588][ T5834] ? __pfx_lock_acquire+0x10/0x10 [ 65.817609][ T5834] __x64_sys_openat+0x247/0x2a0 [ 65.823062][ T5834] ? __pfx___x64_sys_openat+0x10/0x10 [ 65.828425][ T5834] ? exc_page_fault+0x590/0x8b0 [ 65.833270][ T5834] ? do_syscall_64+0xb6/0x230 [ 65.837941][ T5834] do_syscall_64+0xf3/0x230 [ 65.842435][ T5834] ? clear_bhb_loop+0x35/0x90 [ 65.847106][ T5834] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.852995][ T5834] RIP: 0033:0x7f0a44184611 [ 65.857407][ T5834] Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 4= 9 80 3d 3a 7f 1c 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0= f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25 [ 65.877436][ T5834] RSP: 002b:00007ffefaf48b90 EFLAGS: 00000202 ORIG_RAX= : 0000000000000101 [ 65.885845][ T5834] RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 000= 07f0a44184611 [ 65.893806][ T5834] RDX: 0000000000080001 RSI: 00007f0a441e34c8 RDI: 000= 00000ffffff9c [ 65.901765][ T5834] RBP: 00007f0a441e34c8 R08: 0000000000000000 R09: 000= 0000000000000 [ 65.909726][ T5834] R10: 0000000000000000 R11: 0000000000000202 R12: 000= 000000000000b [ 65.917687][ T5834] R13: 00007ffefaf48c30 R14: 00007f0a44201a6d R15: 000= 05555811e6010 [ 65.925657][ T5834] [ 65.928921][ T5834] Kernel Offset: disabled [ 65.933292][ T5834] 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-build4067228094=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at 6dbc6a9bc 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=3D6dbc6a9bc76e06852841ed5c5bdbb78409b17f53 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20250110-142744'" "-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\"6dbc6a9bc76e06852841ed5c5bdbb78409= b17f53\" /usr/bin/ld: /tmp/ccwLE3p3.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 Tested on: commit: 2b88851f Add linux-next specific files for 20250110 git tree: linux-next kernel config: https://syzkaller.appspot.com/x/.config?x=3D2c9d32675cb8d2a= 5 dashboard link: https://syzkaller.appspot.com/bug?extid=3D799a2d4576c454ac2= 693 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D15bc2bc45800= 00