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 40D1414B092 for ; Tue, 22 Oct 2024 09:11:05 +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=1729588267; cv=none; b=ghajLQTaDzIdgvPBNXlJE9K6Jjtxzftgz0nlwhI7ScblHQPPI9SvaJsqNh1BCVYYshRxOOWsIiYbj5kfHclzpnmBadonwj2prtBcC2XIQjmoYVlVdfM9qOdw1QHKAfYXKxU1n6P5IZRJJ9nUFLcyvtK0//BdyTJtgTQqrdJbpvE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729588267; c=relaxed/simple; bh=fVir4RupEiogdLAWJ6roLTRnecFEIeMgaKAQHMCB8ro=; 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:a92:cd83:0:b0:3a3:983a:874f with SMTP id e9e14a558f8ab-3a3f406fe3cmr121096485ab.12.1729588264315; Tue, 22 Oct 2024 02:11:04 -0700 (PDT) Date: Tue, 22 Oct 2024 02:11:04 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67176c28.050a0220.10f4f4.0116.GAE@google.com> Subject: Re: [syzbot] [serial?] BUG: soft lockup in debug_check_no_obj_freed From: syzbot To: eadavis@qq.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: dm_r:sysadm_t tcontext=3Dsystem_u:object_r:nsfs_t tclass=3Dfile permissive= =3D1 [ 48.861396][ T2667] BUG: sleeping function called from invalid context a= t lib/debugobjects.c:980 [ 48.877826][ T2667] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pi= d: 2667, name: syz-executor [ 48.890544][ T2667] preempt_count: 1, expected: 0 [ 48.898231][ T2667] RCU nest depth: 0, expected: 0 [ 48.904686][ T2667] 4 locks held by syz-executor/2667: [ 48.911218][ T2667] #0: ffff888114445278 (&type->i_mutex_dir_key#3){+++= +}-{3:3}, at: do_lock_mount+0xb0/0x5b0 [ 48.924655][ T2667] #1: ffffffff89081290 (namespace_sem){++++}-{3:3}, a= t: do_lock_mount+0xfc/0x5b0 [ 48.935892][ T2667] #2: ffffffff88c147d0 (mount_lock){+.+.}-{2:2}, at: = attach_recursive_mnt+0x3c2/0x1390 [ 48.948526][ T2667] #3: ffffffff88c14788 (mount_lock.seqcount){+.+.}-{0= :0}, at: graft_tree+0x189/0x210 [ 48.960552][ T2667] Preemption disabled at: [ 48.960567][ T2667] [<0000000000000000>] 0x0 [ 48.970864][ T2667] CPU: 0 UID: 0 PID: 2667 Comm: syz-executor Tainted: = G W 6.12.0-rc4-syzkaller-gc6d9e43954bf-dirty #0 [ 48.985996][ T2667] Tainted: [W]=3DWARN [ 48.991724][ T2667] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 09/13/2024 [ 49.005223][ T2667] Call Trace: [ 49.008776][ T2667] [ 49.012127][ T2667] dump_stack_lvl+0x16c/0x1f0 [ 49.018075][ T2667] __might_resched+0x3c0/0x5e0 [ 49.023869][ T2667] ? __pfx___might_resched+0x10/0x10 [ 49.029728][ T2667] ? __pfx___lock_acquire+0x10/0x10 [ 49.036238][ T2667] debug_check_no_obj_freed+0x53c/0x630 [ 49.043451][ T2667] ? lock_acquire.part.0+0x11b/0x380 [ 49.049655][ T2667] ? find_held_lock+0x2d/0x110 [ 49.054935][ T2667] ? __pfx_debug_check_no_obj_freed+0x10/0x10 [ 49.061395][ T2667] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 49.067070][ T2667] ? lock_acquire+0x2f/0xb0 [ 49.072430][ T2667] kfree+0x294/0x480 [ 49.077721][ T2667] ? dput_to_list+0xcb/0x620 [ 49.083416][ T2667] ? attach_recursive_mnt+0x81e/0x1390 [ 49.089902][ T2667] attach_recursive_mnt+0x81e/0x1390 [ 49.096318][ T2667] ? __pfx_attach_recursive_mnt+0x10/0x10 [ 49.102547][ T2667] ? do_raw_spin_lock+0x12d/0x2c0 [ 49.108084][ T2667] ? rcu_is_watching+0x12/0xc0 [ 49.113238][ T2667] ? kfree+0x255/0x480 [ 49.117674][ T2667] ? lockref_get+0x15/0x50 [ 49.122409][ T2667] graft_tree+0x189/0x210 [ 49.127635][ T2667] do_add_mount+0x1ca/0x320 [ 49.132594][ T2667] path_mount+0x1a55/0x1f20 [ 49.137597][ T2667] ? kmem_cache_free+0x133/0x480 [ 49.142592][ T2667] ? __pfx_path_mount+0x10/0x10 [ 49.148066][ T2667] ? putname+0x12e/0x170 [ 49.152345][ T2667] __x64_sys_mount+0x294/0x320 [ 49.157339][ T2667] ? __pfx___x64_sys_mount+0x10/0x10 [ 49.162856][ T2667] do_syscall_64+0xcd/0x250 [ 49.167666][ T2667] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.173754][ T2667] RIP: 0033:0x7fa944d2f79a [ 49.178378][ T2667] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1= a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0= f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 49.199423][ T2667] RSP: 002b:00007fffc0b53128 EFLAGS: 00000246 ORIG_RAX= : 00000000000000a5 [ 49.207960][ T2667] RAX: ffffffffffffffda RBX: 00007fa944da0685 RCX: 000= 07fa944d2f79a [ 49.216037][ T2667] RDX: 00007fa944db1e82 RSI: 00007fa944da0685 RDI: 000= 07fa944dd6142 [ 49.224417][ T2667] RBP: 00007fffc0b531c0 R08: 0000000000000000 R09: 000= 0000000000000 [ 49.232670][ T2667] R10: 0000000000000000 R11: 0000000000000246 R12: 000= 07fffc0b531c0 [ 49.241111][ T2667] R13: 00007fffc0b531c8 R14: 0000000000000009 R15: 000= 0000000000000 [ 49.250017][ T2667] [ 49.276465][ T29] audit: type=3D1400 audit(1729588219.617:104): avc: = denied { open } for pid=3D2667 comm=3D"syz-executor" path=3D"net:[4026531= 840]" dev=3D"nsfs" ino=3D4026531840 scontext=3Droot:sysadm_r:sysadm_t tcont= ext=3Dsystem_u:object_r:nsfs_t tclass=3Dfile permissive=3D1 [ 49.306676][ T29] audit: type=3D1400 audit(1729588219.617:105): avc: = denied { mounton } for pid=3D2667 comm=3D"syz-executor" path=3D"/" dev=3D= "sda1" ino=3D2 scontext=3Droot:sysadm_r:sysadm_t tcontext=3Dsystem_u:object= _r:root_t tclass=3Ddir permissive=3D1 [ 49.330945][ T29] audit: type=3D1400 audit(1729588219.667:106): avc: = denied { create } for pid=3D2664 comm=3D"syz-executor" scontext=3Droot:sy= sadm_r:sysadm_t tcontext=3Droot:sysadm_r:sysadm_t tclass=3Duser_namespace p= ermissive=3D1 [ 49.369864][ T29] audit: type=3D1400 audit(1729588219.667:107): avc: = denied { sys_admin } for pid=3D2664 comm=3D"syz-executor" capability=3D21= scontext=3Droot:sysadm_r:sysadm_t tcontext=3Droot:sysadm_r:sysadm_t tclas= s=3Dcap_userns permissive=3D1 [ 49.394939][ T29] audit: type=3D1400 audit(1729588219.677:108): avc: = denied { mounton } for pid=3D2667 comm=3D"syz-executor" path=3D"/root/syz= kaller.BUEqlw/syz-tmp" dev=3D"sda1" ino=3D1945 scontext=3Droot:sysadm_r:sys= adm_t tcontext=3Droot:object_r:user_home_t tclass=3Ddir permissive=3D1 [ 49.436103][ T29] audit: type=3D1400 audit(1729588219.677:109): avc: = denied { mount } for pid=3D2667 comm=3D"syz-executor" name=3D"/" dev=3D"t= mpfs" ino=3D1 scontext=3Droot:sysadm_r:sysadm_t tcontext=3Dsystem_u:object_= r:tmpfs_t tclass=3Dfilesystem permissive=3D1 [ 49.468685][ T29] audit: type=3D1400 audit(1729588220.087:110): avc: = denied { mounton } for pid=3D2670 comm=3D"syz-executor" path=3D"/root/syz= kaller.Oc9e9i/syz-tmp/newroot/dev" dev=3D"tmpfs" ino=3D3 scontext=3Droot:sy= sadm_r:sysadm_t tcontext=3Droot:object_r:user_tmpfs_t tclass=3Ddir permissi= ve=3D1 [ 49.528778][ T2670] soft_limit_in_bytes is deprecated and will be remove= d. Please report your usecase to linux-mm@kvack.org if you depend on this f= unctionality. [ 49.556665][ T29] audit: type=3D1400 audit(1729588220.097:111): avc: = denied { mount } for pid=3D2670 comm=3D"syz-executor" name=3D"/" dev=3D"p= roc" ino=3D1 scontext=3Droot:sysadm_r:sysadm_t tcontext=3Dsystem_u:object_r= :proc_t tclass=3Dfilesystem permissive=3D1 [ 49.879856][ T2694] BUG: sleeping function called from invalid context a= t lib/debugobjects.c:980 [ 49.889038][ T2694] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pi= d: 2694, name: syz-executor [ 49.898916][ T2694] preempt_count: 1, expected: 0 [ 49.903970][ T2694] RCU nest depth: 0, expected: 0 [ 49.909388][ T2694] 4 locks held by syz-executor/2694: [ 49.916059][ T2694] #0: ffff888114446fe8 (&type->i_mutex_dir_key#3){+++= +}-{3:3}, at: do_lock_mount+0xb0/0x5b0 [ 49.927597][ T2694] #1: ffffffff89081290 (namespace_sem){++++}-{3:3}, a= t: do_lock_mount+0xfc/0x5b0 [ 49.938187][ T2694] #2: ffffffff88c147d0 (mount_lock){+.+.}-{2:2}, at: = attach_recursive_mnt+0x3c2/0x1390 [ 49.950112][ T2694] #3: ffffffff88c14788 (mount_lock.seqcount){+.+.}-{0= :0}, at: graft_tree+0x189/0x210 [ 49.961153][ T2694] Preemption disabled at: [ 49.961167][ T2694] [<0000000000000000>] 0x0 [ 49.971018][ T2694] CPU: 0 UID: 0 PID: 2694 Comm: syz-executor Tainted: = G W 6.12.0-rc4-syzkaller-gc6d9e43954bf-dirty #0 [ 49.983652][ T2694] Tainted: [W]=3DWARN [ 49.988417][ T2694] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 09/13/2024 [ 50.001247][ T2694] Call Trace: [ 50.006329][ T2694] [ 50.009559][ T2694] dump_stack_lvl+0x16c/0x1f0 [ 50.015178][ T2694] __might_resched+0x3c0/0x5e0 [ 50.020783][ T2694] ? __pfx___might_resched+0x10/0x10 [ 50.026571][ T2694] ? __pfx___lock_acquire+0x10/0x10 [ 50.032495][ T2694] debug_check_no_obj_freed+0x53c/0x630 [ 50.038401][ T2694] ? lock_acquire.part.0+0x11b/0x380 [ 50.043967][ T2694] ? find_held_lock+0x2d/0x110 [ 50.049009][ T2694] ? __pfx_debug_check_no_obj_freed+0x10/0x10 [ 50.056534][ T2694] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 50.063524][ T2694] ? lock_acquire+0x2f/0xb0 [ 50.069512][ T2694] kfree+0x294/0x480 [ 50.073942][ T2694] ? dput_to_list+0xcb/0x620 [ 50.078993][ T2694] ? attach_recursive_mnt+0x81e/0x1390 [ 50.084650][ T2694] attach_recursive_mnt+0x81e/0x1390 [ 50.090375][ T2694] ? __pfx_attach_recursive_mnt+0x10/0x10 [ 50.096406][ T2694] ? do_raw_spin_lock+0x12d/0x2c0 [ 50.101639][ T2694] ? rcu_is_watching+0x12/0xc0 [ 50.107048][ T2694] ? kfree+0x255/0x480 [ 50.111527][ T2694] ? lockref_get+0x15/0x50 [ 50.116322][ T2694] graft_tree+0x189/0x210 [ 50.120999][ T2694] do_add_mount+0x1ca/0x320 [ 50.125642][ T2694] path_mount+0x1a55/0x1f20 [ 50.130719][ T2694] ? kmem_cache_free+0x133/0x480 [ 50.136047][ T2694] ? __pfx_path_mount+0x10/0x10 [ 50.141031][ T2694] ? putname+0x12e/0x170 [ 50.145439][ T2694] __x64_sys_mount+0x294/0x320 [ 50.150405][ T2694] ? __pfx___x64_sys_mount+0x10/0x10 [ 50.155833][ T2694] do_syscall_64+0xcd/0x250 [ 50.160621][ T2694] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.166720][ T2694] RIP: 0033:0x7f0800fbf79a [ 50.171157][ T2694] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1= a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0= f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 50.192471][ T2694] RSP: 002b:00007fffa61824c8 EFLAGS: 00000246 ORIG_RAX= : 00000000000000a5 [ 50.201814][ T2694] RAX: ffffffffffffffda RBX: 00007f0801030685 RCX: 000= 07f0800fbf79a [ 50.210350][ T2694] RDX: 00007f0801041e82 RSI: 00007f0801030685 RDI: 000= 07f0801066142 [ 50.218627][ T2694] RBP: 00007fffa6182560 R08: 0000000000000000 R09: 000= 0000000000000 [ 50.226813][ T2694] R10: 0000000000000000 R11: 0000000000000246 R12: 000= 07fffa6182560 [ 50.235377][ T2694] R13: 00007fffa6182568 R14: 0000000000000009 R15: 000= 0000000000000 [ 50.244127][ T2694] [ 50.896859][ T2653] BUG: sleeping function called from invalid context a= t lib/debugobjects.c:980 [ 50.907013][ T2653] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pi= d: 2653, name: syz-executor [ 50.916798][ T2653] preempt_count: 1, expected: 0 [ 50.922192][ T2653] RCU nest depth: 0, expected: 0 [ 50.927337][ T2653] 1 lock held by syz-executor/2653: [ 50.932920][ T2653] #0: ffffffff88c0a098 (tasklist_lock){.+.+}-{2:2}, a= t: release_task+0x20c/0x1b00 [ 50.942394][ T2653] irq event stamp: 270764 [ 50.946827][ T2653] hardirqs last enabled at (270763): [] _raw_spin_unlock_irq+0x23/0x50 [ 50.957663][ T2653] hardirqs last disabled at (270764): [] _raw_write_lock_irq+0x45/0x50 [ 50.967761][ T2653] softirqs last enabled at (270736): [] tcp_sendmsg+0x38/0x50 [ 50.977328][ T2653] softirqs last disabled at (270734): [] __release_sock+0x28b/0x400 [ 50.987418][ T2653] Preemption disabled at: [ 50.987427][ T2653] [<0000000000000000>] 0x0 [ 50.996480][ T2653] CPU: 0 UID: 0 PID: 2653 Comm: syz-executor Tainted: = G W 6.12.0-rc4-syzkaller-gc6d9e43954bf-dirty #0 [ 51.009719][ T2653] Tainted: [W]=3DWARN [ 51.013983][ T2653] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 09/13/2024 [ 51.024137][ T2653] Call Trace: [ 51.027455][ T2653] [ 51.030617][ T2653] dump_stack_lvl+0x116/0x1f0 [ 51.035498][ T2653] __might_resched+0x3c0/0x5e0 [ 51.040663][ T2653] ? __pfx___might_resched+0x10/0x10 [ 51.046499][ T2653] debug_check_no_obj_freed+0x53c/0x630 [ 51.052798][ T2653] ? __pfx_debug_check_no_obj_freed+0x10/0x10 [ 51.059186][ T2653] ? find_held_lock+0x2d/0x110 [ 51.065306][ T2653] ? release_task+0xd24/0x1b00 [ 51.071852][ T2653] kmem_cache_free+0x27d/0x480 [ 51.076943][ T2653] ? __cleanup_sighand+0x73/0xa0 [ 51.082519][ T2653] __cleanup_sighand+0x73/0xa0 [ 51.087562][ T2653] release_task+0xd2c/0x1b00 [ 51.093620][ T2653] ? __pfx_release_task+0x10/0x10 [ 51.098928][ T2653] ? trace_lock_acquire+0x14a/0x1d0 [ 51.104523][ T2653] wait_consider_task+0x1812/0x4100 [ 51.109776][ T2653] ? rcu_is_watching+0x12/0xc0 [ 51.115012][ T2653] ? __pfx_wait_consider_task+0x10/0x10 [ 51.120889][ T2653] ? do_wait+0x1e9/0x570 [ 51.125215][ T2653] __do_wait+0x744/0x890 [ 51.129478][ T2653] ? do_wait+0x1e9/0x570 [ 51.133950][ T2653] do_wait+0x219/0x570 [ 51.138247][ T2653] kernel_wait4+0x16c/0x280 [ 51.142849][ T2653] ? __pfx_kernel_wait4+0x10/0x10 [ 51.147984][ T2653] ? __pfx_child_wait_callback+0x10/0x10 [ 51.153757][ T2653] __do_sys_wait4+0x15f/0x170 [ 51.158549][ T2653] ? __pfx___do_sys_wait4+0x10/0x10 [ 51.163781][ T2653] do_syscall_64+0xcd/0x250 [ 51.168601][ T2653] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.174804][ T2653] RIP: 0033:0x7fd1d73a4213 [ 51.179334][ T2653] Code: 00 00 0f 1f 44 00 00 31 c9 e9 09 00 00 00 66 0= f 1f 84 00 00 00 00 00 80 3d 31 83 19 00 00 49 89 ca 74 14 b8 3d 00 00 00 0= f 05 <48> 3d 00 f0 ff ff 77 5d c3 0f 1f 40 00 48 83 ec 28 89 54 24 14 48 [ 51.199767][ T2653] RSP: 002b:00007ffeeea6b488 EFLAGS: 00000202 ORIG_RAX= : 000000000000003d [ 51.209094][ T2653] RAX: ffffffffffffffda RBX: 000055559498b650 RCX: 000= 07fd1d73a4213 [ 51.217993][ T2653] RDX: 0000000040000000 RSI: 00007ffeeea6b49c RDI: 000= 0000000000a67 [ 51.227133][ T2653] RBP: 000055559498c030 R08: 0000000000000007 R09: 000= 055559498bdc0 [ 51.235697][ T2653] R10: 0000000000000000 R11: 0000000000000202 R12: 000= 07ffeeea6b49c [ 51.243852][ T2653] R13: 0000555594998340 R14: 0000000000000004 R15: 000= 055559498b650 [ 51.253794][ T2653] 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-build162586199=3D/tmp/go-build -gno-record-gcc= -switches' git status (err=3D) HEAD detached at cd6fc0a301 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=3Dcd6fc0a3018e5d793bdcca6530622493f5e88307 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20241018-123137'" "-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\"cd6fc0a3018e5d793bdcca6530622493f5= e88307\" /usr/bin/ld: /tmp/cc2MMZ1Z.o: in function `test_cover_filter()': executor.cc:(.text+0x1424b): warning: the use of `tempnam' is dangerous, be= tter use `mkstemp' /usr/bin/ld: /tmp/cc2MMZ1Z.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=3D109ac640580000 Tested on: commit: c6d9e439 Merge 6.12-rc4 into usb-next git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.= git usb-testing kernel config: https://syzkaller.appspot.com/x/.config?x=3D4a2bb21f91d75c6= 5 dashboard link: https://syzkaller.appspot.com/bug?extid=3Da234c2d63e0c171ca= 10e compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Deb= ian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D111102879800= 00