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AJvYcCVzv34D9uSe+0zSi30+iwGG77P1GOcj1biLpID2KXCZW2wbZFD/OrUhyuICh0U7MLbXwG0y831hHigiWwo=@vger.kernel.org X-Gm-Message-State: AOJu0Yy+4mun+H+s9iFe9dErurqAT9wQc++FE8XCQj6h59PY3/x8bmNQ i1cQJ6NHFRZuD8Vdr+mONseQWM5BPdeGFdBAk8TZsqt3R6JmosHhVvb7cfKuhFJ+CTj9+F3Q8Ve ROX6rZmh3RkKwkHCGCUPyv+sNg7rKEiaD9I+WP0po5EEEJg+AkDkcG8JqTv0= X-Google-Smtp-Source: AGHT+IEZjkpjd9hbLox+Ih+epo83TS0RQLfCPcOT/sum51klh1q0tc9wN2HI7bqn2Y47+dpMJGigHDwL55tdbD2xI0bToQPHs/6V Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:154c:b0:434:96ea:ff81 with SMTP id e9e14a558f8ab-43496eb024cmr187810135ab.33.1763484242290; Tue, 18 Nov 2025 08:44:02 -0800 (PST) Date: Tue, 18 Nov 2025 08:44:02 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <691ca252.a70a0220.3124cb.00d0.GAE@google.com> Subject: Re: [syzbot] [kernel?] general protection fault in put_ipc_ns From: syzbot To: hellouser819@gmail.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: wner.h:32 [inline] post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851 prep_new_page mm/page_alloc.c:1859 [inline] get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3920 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5215 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2486 alloc_slab_page mm/slub.c:3075 [inline] allocate_slab+0x86/0x3b0 mm/slub.c:3248 new_slab mm/slub.c:3302 [inline] ___slab_alloc+0xf56/0x1990 mm/slub.c:4651 __slab_alloc+0x65/0x100 mm/slub.c:4774 __slab_alloc_node mm/slub.c:4850 [inline] slab_alloc_node mm/slub.c:5246 [inline] kmem_cache_alloc_node_noprof+0x4ce/0x710 mm/slub.c:5310 __alloc_skb+0x112/0x2d0 net/core/skbuff.c:664 alloc_skb include/linux/skbuff.h:1383 [inline] alloc_skb_with_frags+0xca/0x890 net/core/skbuff.c:6694 sock_alloc_send_pskb+0x84d/0x980 net/core/sock.c:2995 unix_dgram_sendmsg+0x461/0x1850 net/unix/af_unix.c:2133 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg+0x21c/0x270 net/socket.c:746 sock_write_iter+0x279/0x360 net/socket.c:1199 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 page last free pid 5214 tgid 5214 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] __free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2948 discard_slab mm/slub.c:3346 [inline] __put_partials+0x146/0x170 mm/slub.c:3886 put_cpu_partial+0x1f2/0x2e0 mm/slub.c:3961 __slab_free+0x288/0x2a0 mm/slub.c:5947 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:349 kasan_slab_alloc include/linux/kasan.h:252 [inline] slab_post_alloc_hook mm/slub.c:4948 [inline] slab_alloc_node mm/slub.c:5258 [inline] kmem_cache_alloc_noprof+0x37d/0x700 mm/slub.c:5265 getname_flags+0xb8/0x540 fs/namei.c:146 getname include/linux/fs.h:2499 [inline] __do_sys_unlink fs/namei.c:5443 [inline] __se_sys_unlink fs/namei.c:5441 [inline] __x64_sys_unlink+0x3a/0x50 fs/namei.c:5441 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888026cc1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888026cc1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888026cc2000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888026cc2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc ffff888026cc2100: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D Warning: Permanently added '10.128.1.28' (ED25519) to the list of known hos= ts. 2025/11/18 16:42:46 parsed 1 programs [ 77.911157][ T5835] cgroup: Unknown subsys name 'net' [ 78.100415][ T5835] cgroup: Unknown subsys name 'cpuset' [ 78.109439][ T5835] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size =3D 127995904 bytes [ 79.572711][ T5835] Adding 124996k swap on ./swap-file. Priority:0 exte= nts:1 across:124996k=20 [ 82.581196][ T5849] 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. [ 83.370499][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 83.379285][ T52] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [ 83.387460][ T52] BUG: KASAN: slab-use-after-free in hci_cmd_work+0x5d= 0/0x7b0 [ 83.395076][ T52] Read of size 2 at addr ffff888026cc2038 by task kwor= ker/u9:0/52 [ 83.402866][ T52]=20 [ 83.405398][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted= syzkaller #0 PREEMPT(full)=20 [ 83.405421][ T52] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 10/25/2025 [ 83.405433][ T52] Workqueue: hci0 hci_cmd_work [ 83.405462][ T52] Call Trace: [ 83.405472][ T52] [ 83.405480][ T52] dump_stack_lvl+0x189/0x250 [ 83.405503][ T52] ? __virt_addr_valid+0x1c8/0x5c0 [ 83.405525][ T52] ? rcu_is_watching+0x15/0xb0 [ 83.405546][ T52] ? __pfx_dump_stack_lvl+0x10/0x10 [ 83.405565][ T52] ? rcu_is_watching+0x15/0xb0 [ 83.405589][ T52] ? lock_release+0x4b/0x3d0 [ 83.405606][ T52] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 83.405628][ T52] ? __virt_addr_valid+0x1c8/0x5c0 [ 83.405650][ T52] ? __virt_addr_valid+0x4a5/0x5c0 [ 83.405672][ T52] print_report+0xca/0x240 [ 83.405693][ T52] ? hci_cmd_work+0x5d0/0x7b0 [ 83.405708][ T52] kasan_report+0x118/0x150 [ 83.405727][ T52] ? hci_cmd_work+0x5d0/0x7b0 [ 83.405746][ T52] hci_cmd_work+0x5d0/0x7b0 [ 83.405763][ T52] ? process_one_work+0x868/0x15e0 [ 83.405780][ T52] process_one_work+0x93a/0x15e0 [ 83.405796][ T52] ? __lock_acquire+0xab9/0xd20 [ 83.405821][ T52] ? __pfx_process_one_work+0x10/0x10 [ 83.405847][ T52] ? assign_work+0x3a1/0x410 [ 83.405866][ T52] worker_thread+0x9b0/0xee0 [ 83.405894][ T52] kthread+0x711/0x8a0 [ 83.405916][ T52] ? __pfx_worker_thread+0x10/0x10 [ 83.405933][ T52] ? __pfx_kthread+0x10/0x10 [ 83.405954][ T52] ? _raw_spin_unlock_irq+0x23/0x50 [ 83.405974][ T52] ? lockdep_hardirqs_on+0x9c/0x150 [ 83.405994][ T52] ? __pfx_kthread+0x10/0x10 [ 83.406014][ T52] ret_from_fork+0x599/0xb30 [ 83.406031][ T52] ? __pfx_ret_from_fork+0x10/0x10 [ 83.406052][ T52] ? __switch_to_asm+0x39/0x70 [ 83.406071][ T52] ? __switch_to_asm+0x33/0x70 [ 83.406089][ T52] ? __pfx_kthread+0x10/0x10 [ 83.406108][ T52] ret_from_fork_asm+0x1a/0x30 [ 83.406134][ T52] [ 83.406140][ T52]=20 [ 83.596214][ T52] Allocated by task 5153: [ 83.600520][ T52] kasan_save_track+0x3e/0x80 [ 83.605447][ T52] __kasan_slab_alloc+0x6c/0x80 [ 83.610281][ T52] kmem_cache_alloc_node_noprof+0x43c/0x710 [ 83.616165][ T52] __alloc_skb+0x112/0x2d0 [ 83.620656][ T52] hci_cmd_sync_alloc+0x3d/0x3b0 [ 83.625587][ T52] __hci_cmd_sync_sk+0x1a7/0xc70 [ 83.630510][ T52] hci_dev_open_sync+0x14b2/0x2dc0 [ 83.635611][ T52] hci_power_on+0x1b4/0x720 [ 83.640096][ T52] process_one_work+0x93a/0x15e0 [ 83.645018][ T52] worker_thread+0x9b0/0xee0 [ 83.649608][ T52] kthread+0x711/0x8a0 [ 83.653664][ T52] ret_from_fork+0x599/0xb30 [ 83.658235][ T52] ret_from_fork_asm+0x1a/0x30 [ 83.662995][ T52]=20 [ 83.665303][ T52] Freed by task 5872: [ 83.669262][ T52] kasan_save_track+0x3e/0x80 [ 83.673926][ T52] kasan_save_free_info+0x46/0x50 [ 83.678939][ T52] __kasan_slab_free+0x5c/0x80 [ 83.683696][ T52] kmem_cache_free+0x197/0x640 [ 83.688457][ T52] vhci_read+0x49a/0x5b0 [ 83.692698][ T52] vfs_read+0x200/0xa30 [ 83.696838][ T52] ksys_read+0x145/0x250 [ 83.701073][ T52] do_syscall_64+0xfa/0xfa0 [ 83.705583][ T52] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.711460][ T52]=20 [ 83.713772][ T52] The buggy address belongs to the object at ffff88802= 6cc2000 [ 83.713772][ T52] which belongs to the cache skbuff_head_cache of siz= e 240 [ 83.728331][ T52] The buggy address is located 56 bytes inside of [ 83.728331][ T52] freed 240-byte region [ffff888026cc2000, ffff888026= cc20f0) [ 83.742126][ T52]=20 [ 83.744521][ T52] The buggy address belongs to the physical page: [ 83.750927][ T52] page: refcount:0 mapcount:0 mapping:0000000000000000= index:0x0 pfn:0x26cc2 [ 83.759756][ T52] anon flags: 0xfff00000000000(node=3D0|zone=3D1|lastc= pupid=3D0x7ff) [ 83.767296][ T52] page_type: f5(slab) [ 83.771275][ T52] raw: 00fff00000000000 ffff88801eaa0000 ffffea0000c96= dc0 dead000000000005 [ 83.779887][ T52] raw: 0000000000000000 00000000000c000c 00000000f5000= 000 0000000000000000 [ 83.788446][ T52] page dumped because: kasan: bad access detected [ 83.794846][ T52] page_owner tracks the page as allocated [ 83.800544][ T52] page last allocated via order 0, migratetype Unmovab= le, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid= 5214, tgid 5214 (udevd), ts 26976681464, free_ts 26965856314 [ 83.819365][ T52] post_alloc_hook+0x240/0x2a0 [ 83.824127][ T52] get_page_from_freelist+0x2365/0x2440 [ 83.829660][ T52] __alloc_frozen_pages_noprof+0x181/0x370 [ 83.835551][ T52] alloc_pages_mpol+0x232/0x4a0 [ 83.840387][ T52] allocate_slab+0x86/0x3b0 [ 83.845242][ T52] ___slab_alloc+0xf56/0x1990 [ 83.850075][ T52] __slab_alloc+0x65/0x100 [ 83.854564][ T52] kmem_cache_alloc_node_noprof+0x4ce/0x710 [ 83.860637][ T52] __alloc_skb+0x112/0x2d0 [ 83.865136][ T52] alloc_skb_with_frags+0xca/0x890 [ 83.870326][ T52] sock_alloc_send_pskb+0x84d/0x980 [ 83.875506][ T52] unix_dgram_sendmsg+0x461/0x1850 [ 83.880599][ T52] __sock_sendmsg+0x21c/0x270 [ 83.885356][ T52] sock_write_iter+0x279/0x360 [ 83.890116][ T52] vfs_write+0x5c9/0xb30 [ 83.894341][ T52] ksys_write+0x145/0x250 [ 83.898656][ T52] page last free pid 5214 tgid 5214 stack trace: [ 83.904967][ T52] __free_frozen_pages+0xbc8/0xd30 [ 83.910059][ T52] __put_partials+0x146/0x170 [ 83.914719][ T52] put_cpu_partial+0x1f2/0x2e0 [ 83.919482][ T52] __slab_free+0x288/0x2a0 [ 83.923881][ T52] qlist_free_all+0x97/0x100 [ 83.928451][ T52] kasan_quarantine_reduce+0x148/0x160 [ 83.933889][ T52] __kasan_slab_alloc+0x22/0x80 [ 83.938724][ T52] kmem_cache_alloc_noprof+0x37d/0x700 [ 83.944169][ T52] getname_flags+0xb8/0x540 [ 83.949091][ T52] __x64_sys_unlink+0x3a/0x50 [ 83.953753][ T52] do_syscall_64+0xfa/0xfa0 [ 83.958248][ T52] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 83.964121][ T52]=20 [ 83.966513][ T52] Memory state around the buggy address: [ 83.972122][ T52] ffff888026cc1f00: 00 00 00 00 00 00 00 00 00 00 00 = 00 00 00 00 00 [ 83.980166][ T52] ffff888026cc1f80: 00 00 00 00 00 00 00 00 00 00 00 = 00 00 00 00 00 [ 83.988209][ T52] >ffff888026cc2000: fa fb fb fb fb fb fb fb fb fb fb = fb fb fb fb fb [ 83.996247][ T52] ^ [ 84.002117][ T52] ffff888026cc2080: fb fb fb fb fb fb fb fb fb fb fb = fb fb fb fc fc [ 84.010260][ T52] ffff888026cc2100: fc fc fc fc fc fc fc fc 00 00 00 = 00 00 00 00 00 [ 84.018310][ T52] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D [ 84.028479][ T52] Kernel panic - not syncing: KASAN: panic_on_warn set= ... [ 84.035707][ T52] CPU: 0 UID: 0 PID: 52 Comm: kworker/u9:0 Not tainted= syzkaller #0 PREEMPT(full)=20 [ 84.045006][ T52] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 10/25/2025 [ 84.055073][ T52] Workqueue: hci0 hci_cmd_work [ 84.059922][ T52] Call Trace: [ 84.063190][ T52] [ 84.066239][ T52] dump_stack_lvl+0x99/0x250 [ 84.070829][ T52] ? __asan_memcpy+0x40/0x70 [ 84.075506][ T52] ? __pfx_dump_stack_lvl+0x10/0x10 [ 84.080870][ T52] ? __pfx__printk+0x10/0x10 [ 84.085484][ T52] vpanic+0x237/0x6d0 [ 84.089714][ T52] ? __pfx_vpanic+0x10/0x10 [ 84.094201][ T52] ? preempt_schedule+0xae/0xc0 [ 84.099051][ T52] ? __pfx_preempt_schedule+0x10/0x10 [ 84.104414][ T52] panic+0xb9/0xc0 [ 84.108124][ T52] ? __pfx_panic+0x10/0x10 [ 84.112524][ T52] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 84.118490][ T52] ? is_module_address+0x17/0xf0 [ 84.123408][ T52] ? hci_cmd_work+0x5d0/0x7b0 [ 84.128066][ T52] check_panic_on_warn+0x89/0xb0 [ 84.132990][ T52] ? hci_cmd_work+0x5d0/0x7b0 [ 84.137758][ T52] end_report+0x6f/0x160 [ 84.142068][ T52] kasan_report+0x129/0x150 [ 84.146646][ T52] ? hci_cmd_work+0x5d0/0x7b0 [ 84.151307][ T52] hci_cmd_work+0x5d0/0x7b0 [ 84.155922][ T52] ? process_one_work+0x868/0x15e0 [ 84.161061][ T52] process_one_work+0x93a/0x15e0 [ 84.165992][ T52] ? __lock_acquire+0xab9/0xd20 [ 84.170840][ T52] ? __pfx_process_one_work+0x10/0x10 [ 84.176283][ T52] ? assign_work+0x3a1/0x410 [ 84.180884][ T52] worker_thread+0x9b0/0xee0 [ 84.185468][ T52] kthread+0x711/0x8a0 [ 84.189525][ T52] ? __pfx_worker_thread+0x10/0x10 [ 84.194622][ T52] ? __pfx_kthread+0x10/0x10 [ 84.199211][ T52] ? _raw_spin_unlock_irq+0x23/0x50 [ 84.204412][ T52] ? lockdep_hardirqs_on+0x9c/0x150 [ 84.209605][ T52] ? __pfx_kthread+0x10/0x10 [ 84.214279][ T52] ret_from_fork+0x599/0xb30 [ 84.218867][ T52] ? __pfx_ret_from_fork+0x10/0x10 [ 84.223975][ T52] ? __switch_to_asm+0x39/0x70 [ 84.228816][ T52] ? __switch_to_asm+0x33/0x70 [ 84.233568][ T52] ? __pfx_kthread+0x10/0x10 [ 84.238153][ T52] ret_from_fork_asm+0x1a/0x30 [ 84.242913][ T52] [ 84.246435][ T52] Kernel Offset: disabled [ 84.250827][ T52] Rebooting in 86400 seconds.. 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-build3917061150=3D/tmp/go-build -gno-record-gc= c-switches' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMOD=3D'/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.= mod' 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' 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 07e030dea 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=3D07e030dea6e6d9ca88b75bb3be2810f47083b328 -X github.com/goo= gle/syzkaller/prog.gitRevisionDate=3D20251112-115923" ./sys/syz-sysgen | g= rep -q false || go install -ldflags=3D"-s -w -X github.com/google/syzkaller= /prog.GitRevision=3D07e030dea6e6d9ca88b75bb3be2810f47083b328 -X github.com/= google/syzkaller/prog.gitRevisionDate=3D20251112-115923" ./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=3D07e030dea6e6d9ca88b75bb3be2810f47083b328 -X g= ithub.com/google/syzkaller/prog.gitRevisionDate=3D20251112-115923" -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\"07e030dea6e6d9ca88b75bb3be2810f470= 83b328\" /usr/bin/ld: /tmp/ccEzlJr7.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=3D12a13212580000 Tested on: commit: 187dac29 Add linux-next specific files for 20251118 git tree: linux-next kernel config: https://syzkaller.appspot.com/x/.config?x=3Df3aa05e175a5317= 7 dashboard link: https://syzkaller.appspot.com/bug?extid=3Db4c65e7d749285a82= 467 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=3D1345fb425800= 00