From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 AF6521A7AE3 for ; Wed, 13 Aug 2025 01:49:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755049744; cv=none; b=swE47qMKbtzQszVHQUGfVfqQLk1K6Hzi/6rD4Hck+2nX0fT+d1ECPmWvtF9FSUd0Lbz5EoAWdLWiXQelHklkG92UwykL2uxPFS0Gq+WBAeWNARafRbhK3/J5FFqp3krD5aNt4j6T4gcsSd2LI7wCQGEdztSyuaZil5ZSsQQeBYw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755049744; c=relaxed/simple; bh=Hf6hzsYfx9gO0TG5VNjgSJs1dQ7QCfi3CcfUfy+2xBo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=MIVgSEgfsXYmLnlR/NxuT2j+TR6JIFQTs4UnFPAeOKzgCdoO1/OMlvbn9BElddR1Jgd46nNhI1Ne1w+UtL1af7RD4rAugP+SP4xwPf2zGN62gaRbbwGpW/AxzBFlIdnIOTojxj2kUdK8M6ohhTHXGP/DtqJ5eodQwuhspeURG7E= 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=209.85.166.71 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-f71.google.com with SMTP id ca18e2360f4ac-88428cc6d2fso53147239f.1 for ; Tue, 12 Aug 2025 18:49:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1755049741; x=1755654541; 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=lKOnXabTrbRhTxAvMhXQ0PW36N9nFtQu6HcDqAWpT4E=; b=jTIabKwx5PD3F0YThvDjiPDuwlcR3qYeXlTNt6UVrjjRdgfVVMM2PVXxCymqZlMMx2 D5kGQCdDY737amXzKbDEhLv4xW/LWqDZdZMKbgBCvalfjfRfF+gpRKqUhIsXtlSJphAm Q239buSuGKexIMk1Sv/BPFH8d6rCqi3DPhXN0ZEdFpBYFwSBjEKkI0X3bQejnkJ/tzL0 ZFLW6xyw+kUvdMfw1RNL72lbPjFLQNVTYmlLFIBhCBKXcwmal+Rsk/9JNVn8TJudZyKC 8jCbHCaSY5GWeVnviRVPxVZrjTY3CSiCTrcqw7o3FF8SyeU735IrJmP2a6hMHXGB+UmE NXeQ== X-Forwarded-Encrypted: i=1; AJvYcCXmHDpLf7iLHQwqVf99EfdietwKnLA8BFQFbG9tDflwX5ate0c3QZ+o24Sxe5HG+DzSgeviDuu2pasi07I=@vger.kernel.org X-Gm-Message-State: AOJu0YwEb+FKlpIk4ZuAPvhdmv4SQ7fwn2yzN2njiwEbx4vKj2Yg+EX+ ZvunmTuaXjV1OMw6pAL3uwVKmDgWeEOnq3vaGtas5Cl4n+1/lz6N36y8v+yuxwrhHD8Z79v2gOs 4j6YVrKR31fjffjGFpyl1t34s16w1XwaC8ai19ezuFFyD8ggoKJv3c52D9ic= X-Google-Smtp-Source: AGHT+IEeEFh+w6xAGTnMtroH/0oHPRhBd603pPFZh5rLPcqY70xbhkw041YYGVNtMtxYP+YhPOW6zC3qFRxCGWGMHtt5cF9Ua0gP Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:1651:b0:881:4b5e:fa9d with SMTP id ca18e2360f4ac-8842a332320mr146131539f.0.1755049741659; Tue, 12 Aug 2025 18:49:01 -0700 (PDT) Date: Tue, 12 Aug 2025 18:49:01 -0700 In-Reply-To: <20250813012616.4382-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <689bef0d.050a0220.7f033.0140.GAE@google.com> Subject: Re: [syzbot] [mm?] WARNING in move_page_tables 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: f888026ed8000 [ 8.273850][ T1] RDX: 1ffff11004ddb14f RSI: ffffffff8de29d08 RDI: fff= fffff8c162500 [ 8.273857][ T1] RBP: ffff888026ed8a78 R08: 0000000000000000 R09: fff= fed1020aa000d [ 8.273863][ T1] R10: ffff88810550006f R11: 0000000000000000 R12: fff= fc90004edfa30 [ 8.273870][ T1] R13: 0000000000000001 R14: 0000000000000007 R15: fff= fc90000046f50 [ 8.273876][ T1] FS: 0000000000000000(0000) GS:ffff8880d67bc000(0000= ) knlGS:0000000000000000 [ 8.273903][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.273912][ T1] CR2: 0000000000000000 CR3: 000000000e380000 CR4: 000= 0000000352ef0 [ 8.273918][ T1] Call Trace: [ 8.273957][ T1] [ 8.273968][ T1] __ww_mutex_lock.constprop.0+0x1a69/0x32c0 [ 8.274047][ T1] ? virtio_gpu_plane_duplicate_state+0x6c/0xc0 [ 8.274092][ T1] ? drm_atomic_get_plane_state+0x20e/0x590 [ 8.274108][ T1] ? drm_client_modeset_commit_atomic+0x237/0x7e0 [ 8.274125][ T1] ? drm_client_modeset_commit_locked+0x14d/0x580 [ 8.274141][ T1] ? drm_fb_helper_pan_display+0x32d/0xa40 [ 8.274155][ T1] ? fb_pan_display+0x47c/0x7d0 [ 8.274166][ T1] ? rotate_all_store+0x250/0x400 [ 8.274183][ T1] ? redraw_screen+0x2c1/0x760 [ 8.274201][ T1] ? fbcon_fb_registered+0x21d/0x6a0 [ 8.274213][ T1] ? modeset_lock+0x4a0/0x6e0 [ 8.274227][ T1] ? __pfx___ww_mutex_lock.constprop.0+0x10/0x10 [ 8.274239][ T1] ? virtio_gpu_probe+0x29e/0x500 [ 8.274251][ T1] ? virtio_dev_probe+0x6a0/0xbe0 [ 8.274265][ T1] ? look_up_lock_class+0x59/0x150 [ 8.274283][ T1] ? __pfx___might_resched+0x10/0x10 [ 8.274300][ T1] ? ww_mutex_lock+0x37/0x160 [ 8.274358][ T1] ww_mutex_lock+0x37/0x160 [ 8.274371][ T1] modeset_lock+0x4a0/0x6e0 [ 8.274385][ T1] drm_modeset_lock+0x59/0x90 [ 8.274399][ T1] drm_atomic_get_crtc_state+0x100/0x450 [ 8.274415][ T1] drm_atomic_get_plane_state+0x436/0x590 [ 8.274432][ T1] drm_client_modeset_commit_atomic+0x237/0x7e0 [ 8.274450][ T1] ? rcu_is_watching+0x12/0xc0 [ 8.274465][ T1] ? trace_contention_end+0xdd/0x130 [ 8.274476][ T1] ? __pfx_drm_client_modeset_commit_atomic+0x10/0x10 [ 8.274493][ T1] ? __mutex_lock+0x1c4/0x10b0 [ 8.274513][ T1] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 8.274532][ T1] drm_client_modeset_commit_locked+0x14d/0x580 [ 8.274551][ T1] drm_fb_helper_pan_display+0x32d/0xa40 [ 8.274571][ T1] fb_pan_display+0x47c/0x7d0 [ 8.274580][ T1] ? __pfx_drm_fb_helper_pan_display+0x10/0x10 [ 8.274595][ T1] bit_update_start+0x49/0x1f0 [ 8.274607][ T1] fbcon_switch+0xbf8/0x14c0 [ 8.274621][ T1] ? __pfx_fbcon_switch+0x10/0x10 [ 8.274638][ T1] ? __pfx_bit_cursor+0x10/0x10 [ 8.274649][ T1] ? fbcon_cursor+0x40c/0x5f0 [ 8.274658][ T1] ? vc_init+0x441/0x490 [ 8.274674][ T1] ? is_console_locked+0x9/0x20 [ 8.274689][ T1] ? con_is_visible+0x65/0x150 [ 8.274705][ T1] redraw_screen+0x2c1/0x760 [ 8.274721][ T1] ? fbcon_prepare_logo+0x8ed/0xc70 [ 8.274732][ T1] ? __pfx_redraw_screen+0x10/0x10 [ 8.274753][ T1] set_con2fb_map+0x7aa/0x1080 [ 8.274773][ T1] fbcon_fb_registered+0x21d/0x6a0 [ 8.274786][ T1] do_register_framebuffer+0x512/0x8a0 [ 8.274796][ T1] ? __pfx_do_register_framebuffer+0x10/0x10 [ 8.274810][ T1] ? find_held_lock+0x2b/0x80 [ 8.274826][ T1] register_framebuffer+0x23/0x40 [ 8.274836][ T1] __drm_fb_helper_initial_config_and_unlock+0xdb7/0x1= 7b0 [ 8.274856][ T1] ? __mutex_unlock_slowpath+0x163/0x800 [ 8.274868][ T1] ? __pfx___drm_fb_helper_initial_config_and_unlock+0= x10/0x10 [ 8.274889][ T1] drm_fb_helper_initial_config+0x44/0x60 [ 8.274904][ T1] drm_fbdev_client_hotplug+0x1a6/0x280 [ 8.274917][ T1] ? __pfx_drm_fbdev_client_hotplug+0x10/0x10 [ 8.274928][ T1] drm_client_register+0x197/0x280 [ 8.274943][ T1] drm_fbdev_client_setup+0x1bd/0x480 [ 8.274956][ T1] drm_client_setup+0x19f/0x240 [ 8.274967][ T1] virtio_gpu_probe+0x29e/0x500 [ 8.274980][ T1] virtio_dev_probe+0x6a0/0xbe0 [ 8.274996][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.275009][ T1] ? kernfs_create_link+0x1bd/0x240 [ 8.275021][ T1] ? kernfs_put+0x35/0x60 [ 8.275037][ T1] ? sysfs_do_create_link_sd+0xbb/0x140 [ 8.275052][ T1] ? sysfs_create_link+0x68/0xc0 [ 8.275067][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.275082][ T1] really_probe+0x241/0xa90 [ 8.275163][ T1] __driver_probe_device+0x1de/0x440 [ 8.275175][ T1] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 8.275194][ T1] driver_probe_device+0x4c/0x1b0 [ 8.275206][ T1] __driver_attach+0x283/0x580 [ 8.275218][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.275229][ T1] bus_for_each_dev+0x13b/0x1d0 [ 8.275244][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 8.275260][ T1] ? bus_add_driver+0x299/0x690 [ 8.275280][ T1] bus_add_driver+0x2e9/0x690 [ 8.275297][ T1] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 8.275314][ T1] driver_register+0x15c/0x4b0 [ 8.275326][ T1] ? __register_virtio_driver+0x56/0x100 [ 8.275340][ T1] virtio_gpu_driver_init+0xa8/0x1b0 [ 8.275368][ T1] do_one_initcall+0x120/0x6e0 [ 8.275382][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 8.275398][ T1] ? __kmalloc_noprof+0x242/0x510 [ 8.275409][ T1] ? kasan_poison+0x12/0x50 [ 8.275428][ T1] kernel_init_freeable+0x5c2/0x910 [ 8.275446][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.275464][ T1] kernel_init+0x1c/0x2b0 [ 8.275477][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.275490][ T1] ret_from_fork+0x5d7/0x6f0 [ 8.275500][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.275514][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.275534][ T1] [ 8.275541][ T1] Kernel panic - not syncing: kernel: panic_on_warn se= t ... [ 8.275549][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.1= 7.0-rc1-syzkaller-g8742b2d8935f-dirty #0 PREEMPT(full)=20 [ 8.275562][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), = BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 8.275568][ T1] Call Trace: [ 8.275572][ T1] [ 8.275576][ T1] dump_stack_lvl+0x3d/0x1f0 [ 8.275588][ T1] vpanic+0x6e8/0x7a0 [ 8.275605][ T1] ? __pfx_vpanic+0x10/0x10 [ 8.275625][ T1] ? __ww_mutex_wound+0x23b/0x3e0 [ 8.275635][ T1] panic+0xca/0xd0 [ 8.275651][ T1] ? __pfx_panic+0x10/0x10 [ 8.275671][ T1] ? check_panic_on_warn+0x1f/0xb0 [ 8.275681][ T1] check_panic_on_warn+0xab/0xb0 [ 8.275691][ T1] __warn+0xf6/0x3c0 [ 8.275701][ T1] ? __ww_mutex_wound+0x23b/0x3e0 [ 8.275711][ T1] report_bug+0x3c3/0x580 [ 8.275728][ T1] ? __ww_mutex_wound+0x23b/0x3e0 [ 8.275738][ T1] handle_bug+0x184/0x210 [ 8.275756][ T1] exc_invalid_op+0x17/0x50 [ 8.275769][ T1] asm_exc_invalid_op+0x1a/0x20 [ 8.275780][ T1] RIP: 0010:__ww_mutex_wound+0x23b/0x3e0 [ 8.275790][ T1] Code: 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3= c 02 00 0f 85 85 01 00 00 48 8b 81 78 0a 00 00 48 85 c0 74 09 48 39 c3 74 0= 4 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c [ 8.275800][ T1] RSP: 0000:ffffc90000046e58 EFLAGS: 00010002 [ 8.275809][ T1] RAX: ffff8881054cd048 RBX: ffff888105500068 RCX: fff= f888026ed8000 [ 8.275816][ T1] RDX: 1ffff11004ddb14f RSI: ffffffff8de29d08 RDI: fff= fffff8c162500 [ 8.275823][ T1] RBP: ffff888026ed8a78 R08: 0000000000000000 R09: fff= fed1020aa000d [ 8.275829][ T1] R10: ffff88810550006f R11: 0000000000000000 R12: fff= fc90004edfa30 [ 8.275835][ T1] R13: 0000000000000001 R14: 0000000000000007 R15: fff= fc90000046f50 [ 8.275849][ T1] ? __ww_mutex_wound+0x2ed/0x3e0 [ 8.275861][ T1] __ww_mutex_lock.constprop.0+0x1a69/0x32c0 [ 8.275873][ T1] ? virtio_gpu_plane_duplicate_state+0x6c/0xc0 [ 8.275886][ T1] ? drm_atomic_get_plane_state+0x20e/0x590 [ 8.275900][ T1] ? drm_client_modeset_commit_atomic+0x237/0x7e0 [ 8.275915][ T1] ? drm_client_modeset_commit_locked+0x14d/0x580 [ 8.275930][ T1] ? drm_fb_helper_pan_display+0x32d/0xa40 [ 8.275943][ T1] ? fb_pan_display+0x47c/0x7d0 [ 8.275951][ T1] ? rotate_all_store+0x250/0x400 [ 8.275968][ T1] ? redraw_screen+0x2c1/0x760 [ 8.275984][ T1] ? fbcon_fb_registered+0x21d/0x6a0 [ 8.275995][ T1] ? modeset_lock+0x4a0/0x6e0 [ 8.276008][ T1] ? __pfx___ww_mutex_lock.constprop.0+0x10/0x10 [ 8.276019][ T1] ? virtio_gpu_probe+0x29e/0x500 [ 8.276030][ T1] ? virtio_dev_probe+0x6a0/0xbe0 [ 8.276042][ T1] ? look_up_lock_class+0x59/0x150 [ 8.276058][ T1] ? __pfx___might_resched+0x10/0x10 [ 8.276131][ T1] ? ww_mutex_lock+0x37/0x160 [ 8.276157][ T1] ww_mutex_lock+0x37/0x160 [ 8.276169][ T1] modeset_lock+0x4a0/0x6e0 [ 8.276185][ T1] drm_modeset_lock+0x59/0x90 [ 8.276198][ T1] drm_atomic_get_crtc_state+0x100/0x450 [ 8.276214][ T1] drm_atomic_get_plane_state+0x436/0x590 [ 8.276230][ T1] drm_client_modeset_commit_atomic+0x237/0x7e0 [ 8.276249][ T1] ? rcu_is_watching+0x12/0xc0 [ 8.276264][ T1] ? trace_contention_end+0xdd/0x130 [ 8.276275][ T1] ? __pfx_drm_client_modeset_commit_atomic+0x10/0x10 [ 8.276290][ T1] ? __mutex_lock+0x1c4/0x10b0 [ 8.276309][ T1] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 8.276326][ T1] drm_client_modeset_commit_locked+0x14d/0x580 [ 8.276344][ T1] drm_fb_helper_pan_display+0x32d/0xa40 [ 8.276364][ T1] fb_pan_display+0x47c/0x7d0 [ 8.276423][ T1] ? __pfx_drm_fb_helper_pan_display+0x10/0x10 [ 8.276444][ T1] bit_update_start+0x49/0x1f0 [ 8.276458][ T1] fbcon_switch+0xbf8/0x14c0 [ 8.276475][ T1] ? __pfx_fbcon_switch+0x10/0x10 [ 8.276492][ T1] ? __pfx_bit_cursor+0x10/0x10 [ 8.276509][ T1] ? fbcon_cursor+0x40c/0x5f0 [ 8.276519][ T1] ? vc_init+0x441/0x490 [ 8.276535][ T1] ? is_console_locked+0x9/0x20 [ 8.276551][ T1] ? con_is_visible+0x65/0x150 [ 8.276567][ T1] redraw_screen+0x2c1/0x760 [ 8.276584][ T1] ? fbcon_prepare_logo+0x8ed/0xc70 [ 8.276594][ T1] ? __pfx_redraw_screen+0x10/0x10 [ 8.276615][ T1] set_con2fb_map+0x7aa/0x1080 [ 8.276629][ T1] fbcon_fb_registered+0x21d/0x6a0 [ 8.276642][ T1] do_register_framebuffer+0x512/0x8a0 [ 8.276652][ T1] ? __pfx_do_register_framebuffer+0x10/0x10 [ 8.276666][ T1] ? find_held_lock+0x2b/0x80 [ 8.276682][ T1] register_framebuffer+0x23/0x40 [ 8.276691][ T1] __drm_fb_helper_initial_config_and_unlock+0xdb7/0x1= 7b0 [ 8.276712][ T1] ? __mutex_unlock_slowpath+0x163/0x800 [ 8.276725][ T1] ? __pfx___drm_fb_helper_initial_config_and_unlock+0= x10/0x10 [ 8.276750][ T1] drm_fb_helper_initial_config+0x44/0x60 [ 8.276764][ T1] drm_fbdev_client_hotplug+0x1a6/0x280 [ 8.276777][ T1] ? __pfx_drm_fbdev_client_hotplug+0x10/0x10 [ 8.276788][ T1] drm_client_register+0x197/0x280 [ 8.276804][ T1] drm_fbdev_client_setup+0x1bd/0x480 [ 8.276816][ T1] drm_client_setup+0x19f/0x240 [ 8.276828][ T1] virtio_gpu_probe+0x29e/0x500 [ 8.276843][ T1] virtio_dev_probe+0x6a0/0xbe0 [ 8.276861][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.276873][ T1] ? kernfs_create_link+0x1bd/0x240 [ 8.276886][ T1] ? kernfs_put+0x35/0x60 [ 8.276901][ T1] ? sysfs_do_create_link_sd+0xbb/0x140 [ 8.276916][ T1] ? sysfs_create_link+0x68/0xc0 [ 8.276930][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.276944][ T1] really_probe+0x241/0xa90 [ 8.276958][ T1] __driver_probe_device+0x1de/0x440 [ 8.276970][ T1] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 8.276989][ T1] driver_probe_device+0x4c/0x1b0 [ 8.277001][ T1] __driver_attach+0x283/0x580 [ 8.277014][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.277025][ T1] bus_for_each_dev+0x13b/0x1d0 [ 8.277041][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 8.277057][ T1] ? bus_add_driver+0x299/0x690 [ 8.277076][ T1] bus_add_driver+0x2e9/0x690 [ 8.277094][ T1] ? __pfx_virtio_gpu_driver_init+0x10/0x10 [ 8.277109][ T1] driver_register+0x15c/0x4b0 [ 8.277121][ T1] ? __register_virtio_driver+0x56/0x100 [ 8.277135][ T1] virtio_gpu_driver_init+0xa8/0x1b0 [ 8.277150][ T1] do_one_initcall+0x120/0x6e0 [ 8.277164][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 8.277179][ T1] ? __kmalloc_noprof+0x242/0x510 [ 8.277189][ T1] ? kasan_poison+0x12/0x50 [ 8.277208][ T1] kernel_init_freeable+0x5c2/0x910 [ 8.277226][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.277241][ T1] kernel_init+0x1c/0x2b0 [ 8.277254][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.277267][ T1] ret_from_fork+0x5d7/0x6f0 [ 8.277277][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.277291][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.277310][ T1] [ 8.278140][ T1] Kernel Offset: disabled 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-build2874749031=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'/syzkaller/jobs/linux/gopath/pkg/mod/golang.org/toolchain@v0.0.1-= go1.24.4.linux-amd64' GOSUMDB=3D'sum.golang.org' GOTELEMETRY=3D'local' GOTELEMETRYDIR=3D'/syzkaller/.config/go/telemetry' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/syzkaller/jobs/linux/gopath/pkg/mod/golang.org/toolchain@v0.0= .1-go1.24.4.linux-amd64/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 c06e8995d7 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 touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build -ldflags=3D"-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Dc06e8995d711b5a8d8fbd771826fcbfdac6f110f -X g= ithub.com/google/syzkaller/prog.gitRevisionDate=3D20250811-165554" -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\"c06e8995d711b5a8d8fbd771826fcbfdac= 6f110f\" /usr/bin/ld: /tmp/ccMJYSuh.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=3D109025a2580000 Tested on: commit: 8742b2d8 Merge tag 'pull-fixes' of git://git.kernel.or.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3Df9319a42cfb3bf5= 7 dashboard link: https://syzkaller.appspot.com/bug?extid=3D4d9a13f0797c46a29= e42 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=3D127fa8425800= 00