From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 E5C7A220F37 for ; Tue, 18 Nov 2025 20:02:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763496125; cv=none; b=QQ2WM4psJd/f99rKq3lIsyNDfPN6YS5j640hq7zV4wE9uoOTvjfWp5IXEJyS0nP/5/8UpCeN9Vo/PkkDCvEQ4LsF7kquKPo43C1YpFG5Ybxn5cB/RHcQZhuMbrqJZYXonWi7OyT7Kn9ktdZmGMSnLdLWKE5Z1Efar0MNzYJl5mQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763496125; c=relaxed/simple; bh=P+SlWaa7pSNYVL8D6mwjpoAQiRsn8DqyLjG52Rsr6EQ=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Eb7vR/5m17VaN4ptzCYLht5toswjdoAU40iu1YmeLyZQcpUjIPkSDLSsQZXuv3Ue6z5tpli6iPRRirGXM8qdBnqFUjmJag+l78rHDURynUtBLX6miE7Ts6ysvdoboY6MOa00jePs/3Nh5EljNTCNf4lzh7cK+D+cHX6z43snN3M= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-945c705df24so22517439f.0 for ; Tue, 18 Nov 2025 12:02:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763496122; x=1764100922; 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=OrOAXQu/WAlUSufKOTvp/n6TDXG9fc9nBHBZbDxZMuU=; b=hkRM9wggYjV4EgE5Mi0fYiIurC+t7aJc4+WcYqxqw0n5nYo5EUqtCIv49+oTXRmCU6 TK1Xpq9jVaNFvj5oIQ4Fq72KXQfpeNp1kE3y0z2rWcRzmidoxLfOc9P1M2qH2WLiUaQU c9oa6nfz2yAqdXZ/cRIVFOQlXaiFxodrfnpI1MIslkK3N/03nPVQDFKb8lvJ4hqgq+JR 9LNyNRUdl+7lk08l0ldBCgsl6TNNo9ZsBUgUULZ7u7zMJiOgmKnzHo+T6ZuOCNyV+i60 Q6quUDirYe/Or3gAJkgumRKP6N/Dw44/tc+ps63Zf3j/RPxkThTp8z3kuqNHujCg6ddW fTRw== X-Forwarded-Encrypted: i=1; AJvYcCVohoTPlear7KGh7SoZLIKxKVdc0KZ5dHB/22DweOEURERnOqRtS5bDsOfh91fLqLBN4FDYmWZ2p9aMTWY=@vger.kernel.org X-Gm-Message-State: AOJu0YycqqEnHxlEsQo3meOyTiwC5/A9/Eei3r23/JiqK+SohLj9w7e4 Cgtw0Cy+NclK8jByT0fSxH3ZjQ9A2u3+t8Yn7aa6kW70an8VGbZIpj8HxCSgFags9Bg/MQI9g0a VwWjTHC7G7EQKHo5YknkwmyZuVm9+Fa1qgs7ncCY8B5+F1VMwhmPAIs0iE+0= X-Google-Smtp-Source: AGHT+IGJI+WhQxmygYg4nFo4yUKI5mxUy8yZkVVdAz0mCACy/kJ5QoJjWQNmUYRXu/X8ywF6gvzpuwlQhosOGdrSy4R++05wJPUp Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:ce0d:0:b0:433:2d7d:b8d8 with SMTP id e9e14a558f8ab-4359faa7ee3mr984635ab.1.1763496122041; Tue, 18 Nov 2025 12:02:02 -0800 (PST) Date: Tue, 18 Nov 2025 12:02:02 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <691cd0ba.050a0220.2ffa18.0000.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: adv_slave_0 [ 82.746048][ T5860] batman_adv: batadv0: The MTU of interface batadv_sla= ve_0 is too small (1500) to handle the transport of batman-adv packets. Pac= kets going over this interface will be fragmented on layer2 which could imp= act the performance. Setting the MTU to 1532 would solve the problem. [ 82.773161][ T5860] batman_adv: batadv0: Not using interface batadv_slav= e_0 (retrying later): interface not active [ 82.785953][ T5860] batman_adv: batadv0: Adding interface: batadv_slave_= 1 [ 82.794164][ T5860] batman_adv: batadv0: The MTU of interface batadv_sla= ve_1 is too small (1500) to handle the transport of batman-adv packets. Pac= kets going over this interface will be fragmented on layer2 which could imp= act the performance. Setting the MTU to 1532 would solve the problem. [ 82.820942][ T5860] batman_adv: batadv0: Not using interface batadv_slav= e_1 (retrying later): interface not active [ 82.862768][ T5860] hsr_slave_0: entered promiscuous mode [ 82.869651][ T5860] hsr_slave_1: entered promiscuous mode [ 83.005933][ T5860] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.019731][ T5860] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.030171][ T5860] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.040986][ T5860] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.071236][ T5860] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 83.078685][ T5860] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 83.086669][ T5860] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 83.093877][ T5860] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 83.151826][ T5860] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.171295][ T13] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 83.180117][ T13] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 83.196524][ T5860] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.211219][ T3472] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 83.218434][ T3472] bridge0: port 1(bridge_slave_0) entered forwarding s= tate [ 83.234149][ T3472] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 83.241297][ T3472] bridge0: port 2(bridge_slave_1) entered forwarding s= tate [ 83.404613][ T5860] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.449917][ T5860] veth0_vlan: entered promiscuous mode [ 83.462775][ T5860] veth1_vlan: entered promiscuous mode [ 83.492993][ T5860] veth0_macvtap: entered promiscuous mode [ 83.503348][ T5860] veth1_macvtap: entered promiscuous mode [ 83.523457][ T5860] batman_adv: batadv0: Interface activated: batadv_sla= ve_0 [ 83.537529][ T5860] batman_adv: batadv0: Interface activated: batadv_sla= ve_1 [ 83.554721][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 83.566197][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 83.575668][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 83.586196][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 f= amily 0 port 6081 - 0 [ 83.724406][ T13] netdevsim netdevsim0 netdevsim3 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 83.805326][ T13] netdevsim netdevsim0 netdevsim2 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 83.870907][ T13] netdevsim netdevsim0 netdevsim1 (unregistering): uns= et [1, 0] type 2 family 0 port 6081 - 0 [ 83.935311][ T5149] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 83.945133][ T5149] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > = 9 [ 83.954176][ T5149] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 83.962161][ T5149] =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 [ 83.970240][ T5149] BUG: KASAN: slab-use-after-free in hci_cmd_work+0x5d= 0/0x7b0 [ 83.977772][ T5149] Read of size 2 at addr ffff88807912b178 by task kwor= ker/u9:1/5149 [ 83.985826][ T5149]=20 [ 83.988159][ T5149] CPU: 1 UID: 0 PID: 5149 Comm: kworker/u9:1 Not taint= ed syzkaller #0 PREEMPT(full)=20 [ 83.988173][ T5149] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 10/25/2025 [ 83.988181][ T5149] Workqueue: hci0 hci_cmd_work [ 83.988200][ T5149] Call Trace: [ 83.988208][ T5149] [ 83.988212][ T5149] dump_stack_lvl+0x189/0x250 [ 83.988226][ T5149] ? __virt_addr_valid+0x1c8/0x5c0 [ 83.988242][ T5149] ? rcu_is_watching+0x15/0xb0 [ 83.988261][ T5149] ? __pfx_dump_stack_lvl+0x10/0x10 [ 83.988277][ T5149] ? rcu_is_watching+0x15/0xb0 [ 83.988294][ T5149] ? lock_release+0x4b/0x3d0 [ 83.988309][ T5149] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 83.988328][ T5149] ? __virt_addr_valid+0x1c8/0x5c0 [ 83.988348][ T5149] ? __virt_addr_valid+0x4a5/0x5c0 [ 83.988368][ T5149] print_report+0xca/0x240 [ 83.988388][ T5149] ? hci_cmd_work+0x5d0/0x7b0 [ 83.988402][ T5149] kasan_report+0x118/0x150 [ 83.988420][ T5149] ? hci_cmd_work+0x5d0/0x7b0 [ 83.988439][ T5149] hci_cmd_work+0x5d0/0x7b0 [ 83.988454][ T5149] ? process_one_work+0x868/0x15e0 [ 83.988471][ T5149] process_one_work+0x93a/0x15e0 [ 83.988487][ T5149] ? __lock_acquire+0xab9/0xd20 [ 83.988510][ T5149] ? __pfx_process_one_work+0x10/0x10 [ 83.988528][ T5149] ? assign_work+0x3a1/0x410 [ 83.988544][ T5149] worker_thread+0x9b0/0xee0 [ 83.988569][ T5149] kthread+0x711/0x8a0 [ 83.988589][ T5149] ? __pfx_worker_thread+0x10/0x10 [ 83.988605][ T5149] ? __pfx_kthread+0x10/0x10 [ 83.988625][ T5149] ? _raw_spin_unlock_irq+0x23/0x50 [ 83.988642][ T5149] ? lockdep_hardirqs_on+0x9c/0x150 [ 83.988663][ T5149] ? __pfx_kthread+0x10/0x10 [ 83.988682][ T5149] ret_from_fork+0x599/0xb30 [ 83.988699][ T5149] ? __pfx_ret_from_fork+0x10/0x10 [ 83.988717][ T5149] ? __switch_to_asm+0x39/0x70 [ 83.988735][ T5149] ? __switch_to_asm+0x33/0x70 [ 83.988753][ T5149] ? __pfx_kthread+0x10/0x10 [ 83.988770][ T5149] ret_from_fork_asm+0x1a/0x30 [ 83.988794][ T5149] [ 83.988800][ T5149]=20 [ 84.178661][ T5149] Allocated by task 51: [ 84.182802][ T5149] kasan_save_track+0x3e/0x80 [ 84.187470][ T5149] __kasan_slab_alloc+0x6c/0x80 [ 84.192305][ T5149] kmem_cache_alloc_node_noprof+0x43c/0x710 [ 84.198202][ T5149] __alloc_skb+0x112/0x2d0 [ 84.202607][ T5149] hci_cmd_sync_alloc+0x3d/0x3b0 [ 84.207729][ T5149] __hci_cmd_sync_sk+0x1a7/0xc70 [ 84.212679][ T5149] hci_dev_open_sync+0x1756/0x2dc0 [ 84.217791][ T5149] hci_power_on+0x1b4/0x720 [ 84.222285][ T5149] process_one_work+0x93a/0x15e0 [ 84.227216][ T5149] worker_thread+0x9b0/0xee0 [ 84.231822][ T5149] kthread+0x711/0x8a0 [ 84.235883][ T5149] ret_from_fork+0x599/0xb30 [ 84.240457][ T5149] ret_from_fork_asm+0x1a/0x30 [ 84.245211][ T5149]=20 [ 84.247532][ T5149] Freed by task 5891: [ 84.251512][ T5149] kasan_save_track+0x3e/0x80 [ 84.256186][ T5149] kasan_save_free_info+0x46/0x50 [ 84.261299][ T5149] __kasan_slab_free+0x5c/0x80 [ 84.266105][ T5149] kmem_cache_free+0x197/0x640 [ 84.270862][ T5149] vhci_read+0x49a/0x5b0 [ 84.275105][ T5149] vfs_read+0x200/0xa30 [ 84.279274][ T5149] ksys_read+0x145/0x250 [ 84.283498][ T5149] do_syscall_64+0xfa/0xfa0 [ 84.287991][ T5149] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.293891][ T5149]=20 [ 84.296210][ T5149] The buggy address belongs to the object at ffff88807= 912b140 [ 84.296210][ T5149] which belongs to the cache skbuff_head_cache of siz= e 240 [ 84.310805][ T5149] The buggy address is located 56 bytes inside of [ 84.310805][ T5149] freed 240-byte region [ffff88807912b140, ffff888079= 12b230) [ 84.324512][ T5149]=20 [ 84.326836][ T5149] The buggy address belongs to the physical page: [ 84.333246][ T5149] page: refcount:0 mapcount:0 mapping:0000000000000000= index:0x0 pfn:0x7912b [ 84.341996][ T5149] flags: 0xfff00000000000(node=3D0|zone=3D1|lastcpupid= =3D0x7ff) [ 84.349273][ T5149] page_type: f5(slab) [ 84.353249][ T5149] raw: 00fff00000000000 ffff8881416a7000 dead000000000= 122 0000000000000000 [ 84.361818][ T5149] raw: 0000000000000000 00000000800c000c 00000000f5000= 000 0000000000000000 [ 84.370380][ T5149] page dumped because: kasan: bad access detected [ 84.376783][ T5149] page_owner tracks the page as allocated [ 84.382566][ T5149] page last allocated via order 0, migratetype Unmovab= le, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid= 5149, tgid 5149 (kworker/u9:1), ts 83954148103, free_ts 83898959204 [ 84.401827][ T5149] post_alloc_hook+0x240/0x2a0 [ 84.406596][ T5149] get_page_from_freelist+0x2365/0x2440 [ 84.412140][ T5149] __alloc_frozen_pages_noprof+0x181/0x370 [ 84.417940][ T5149] alloc_pages_mpol+0x232/0x4a0 [ 84.422780][ T5149] allocate_slab+0x86/0x3b0 [ 84.427274][ T5149] ___slab_alloc+0xf56/0x1990 [ 84.431938][ T5149] __slab_alloc+0x65/0x100 [ 84.436343][ T5149] kmem_cache_alloc_noprof+0x40f/0x700 [ 84.441793][ T5149] skb_clone+0x212/0x3a0 [ 84.446024][ T5149] hci_event_packet+0x3f4/0x1260 [ 84.450947][ T5149] hci_rx_work+0x45d/0xfc0 [ 84.455353][ T5149] process_one_work+0x93a/0x15e0 [ 84.460293][ T5149] worker_thread+0x9b0/0xee0 [ 84.464934][ T5149] kthread+0x711/0x8a0 [ 84.468988][ T5149] ret_from_fork+0x599/0xb30 [ 84.473570][ T5149] ret_from_fork_asm+0x1a/0x30 [ 84.478320][ T5149] page last free pid 23 tgid 23 stack trace: [ 84.484280][ T5149] __free_frozen_pages+0xbc8/0xd30 [ 84.489382][ T5149] rcu_core+0xcab/0x1770 [ 84.493645][ T5149] handle_softirqs+0x27d/0x880 [ 84.498484][ T5149] run_ksoftirqd+0x9b/0x100 [ 84.502973][ T5149] smpboot_thread_fn+0x542/0xa60 [ 84.507903][ T5149] kthread+0x711/0x8a0 [ 84.511955][ T5149] ret_from_fork+0x599/0xb30 [ 84.516613][ T5149] ret_from_fork_asm+0x1a/0x30 [ 84.521371][ T5149]=20 [ 84.523692][ T5149] Memory state around the buggy address: [ 84.529318][ T5149] ffff88807912b000: fa fb fb fb fb fb fb fb fb fb fb = fb fb fb fb fb [ 84.537367][ T5149] ffff88807912b080: fb fb fb fb fb fb fb fb fb fb fb = fb fb fb fc fc [ 84.545411][ T5149] >ffff88807912b100: fc fc fc fc fc fc fc fc fa fb fb = fb fb fb fb fb [ 84.553463][ T5149] = ^ [ 84.561420][ T5149] ffff88807912b180: fb fb fb fb fb fb fb fb fb fb fb = fb fb fb fb fb [ 84.569522][ T5149] ffff88807912b200: fb fb fb fb fb fb fc fc fc fc fc = fc fc fc fc fc [ 84.577564][ T5149] =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 [ 84.589891][ T5149] Kernel panic - not syncing: KASAN: panic_on_warn set= ... [ 84.597220][ T5149] CPU: 1 UID: 0 PID: 5149 Comm: kworker/u9:1 Not taint= ed syzkaller #0 PREEMPT(full)=20 [ 84.606680][ T5149] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 10/25/2025 [ 84.616748][ T5149] Workqueue: hci0 hci_cmd_work [ 84.621514][ T5149] Call Trace: [ 84.624787][ T5149] [ 84.627716][ T5149] dump_stack_lvl+0x99/0x250 [ 84.632304][ T5149] ? __asan_memcpy+0x40/0x70 [ 84.636901][ T5149] ? __pfx_dump_stack_lvl+0x10/0x10 [ 84.642098][ T5149] ? __pfx__printk+0x10/0x10 [ 84.646681][ T5149] vpanic+0x237/0x6d0 [ 84.650648][ T5149] ? __pfx_vpanic+0x10/0x10 [ 84.655134][ T5149] ? preempt_schedule+0xae/0xc0 [ 84.659973][ T5149] ? __pfx_preempt_schedule+0x10/0x10 [ 84.665424][ T5149] panic+0xb9/0xc0 [ 84.669144][ T5149] ? __pfx_panic+0x10/0x10 [ 84.673547][ T5149] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 84.679427][ T5149] ? is_module_address+0x17/0xf0 [ 84.684353][ T5149] ? hci_cmd_work+0x5d0/0x7b0 [ 84.689108][ T5149] check_panic_on_warn+0x89/0xb0 [ 84.694039][ T5149] ? hci_cmd_work+0x5d0/0x7b0 [ 84.698796][ T5149] end_report+0x6f/0x160 [ 84.703026][ T5149] kasan_report+0x129/0x150 [ 84.707528][ T5149] ? hci_cmd_work+0x5d0/0x7b0 [ 84.712310][ T5149] hci_cmd_work+0x5d0/0x7b0 [ 84.716803][ T5149] ? process_one_work+0x868/0x15e0 [ 84.721908][ T5149] process_one_work+0x93a/0x15e0 [ 84.726862][ T5149] ? __lock_acquire+0xab9/0xd20 [ 84.731730][ T5149] ? __pfx_process_one_work+0x10/0x10 [ 84.737108][ T5149] ? assign_work+0x3a1/0x410 [ 84.741711][ T5149] worker_thread+0x9b0/0xee0 [ 84.746302][ T5149] kthread+0x711/0x8a0 [ 84.750365][ T5149] ? __pfx_worker_thread+0x10/0x10 [ 84.755468][ T5149] ? __pfx_kthread+0x10/0x10 [ 84.760051][ T5149] ? _raw_spin_unlock_irq+0x23/0x50 [ 84.765238][ T5149] ? lockdep_hardirqs_on+0x9c/0x150 [ 84.770437][ T5149] ? __pfx_kthread+0x10/0x10 [ 84.775024][ T5149] ret_from_fork+0x599/0xb30 [ 84.779604][ T5149] ? __pfx_ret_from_fork+0x10/0x10 [ 84.784708][ T5149] ? __switch_to_asm+0x39/0x70 [ 84.789477][ T5149] ? __switch_to_asm+0x33/0x70 [ 84.794236][ T5149] ? __pfx_kthread+0x10/0x10 [ 84.798902][ T5149] ret_from_fork_asm+0x1a/0x30 [ 84.803663][ T5149] [ 84.807193][ T5149] Kernel Offset: disabled [ 84.811510][ T5149] 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-build3725946350=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/cciUCEVm.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=3D15e3fb42580000 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=3D105132125800= 00