sadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 43.460743][ T2980] syz-executor.0 (2980) used greatest stack depth: 22792 bytes left Warning: Permanently added '10.128.1.200' (ED25519) to the list of known hosts. 2026/01/24 14:59:23 parsed 1 programs 2026/01/24 14:59:23 executed programs: 0 [ 62.846599][ T29] audit: type=1400 audit(1769266763.079:75): avc: denied { mounton } for pid=3256 comm="syz-executor.0" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 62.873197][ T3256] cgroup: Unknown subsys name 'cpuset' [ 68.534323][ T29] audit: type=1400 audit(1769266768.769:76): avc: denied { read write } for pid=3503 comm="syz-executor.0" name="raw-gadget" dev="devtmpfs" ino=236 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 68.559269][ T29] audit: type=1400 audit(1769266768.769:77): avc: denied { open } for pid=3503 comm="syz-executor.0" path="/dev/raw-gadget" dev="devtmpfs" ino=236 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 68.583902][ T29] audit: type=1400 audit(1769266768.769:78): avc: denied { ioctl } for pid=3503 comm="syz-executor.0" path="/dev/raw-gadget" dev="devtmpfs" ino=236 ioctlcmd=0x5500 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 68.767920][ T9] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 68.917728][ T9] usb 1-1: Using ep0 maxpacket: 8 [ 68.925293][ T9] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 68.935470][ T9] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8A has an invalid bInterval 0, changing to 7 [ 68.947462][ T9] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8A has invalid maxpacket 16505, setting to 1024 [ 68.960510][ T9] usb 1-1: New USB device found, idVendor=2040, idProduct=200a, bcdDevice=8a.69 [ 68.970407][ T9] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=2 [ 68.979005][ T9] usb 1-1: SerialNumber: syz [ 68.987385][ T9] usb 1-1: config 0 descriptor?? [ 68.996402][ T9] smsusb:smsusb_probe: board id=9, interface number 0 [ 69.006430][ T9] smsusb:siano_media_device_register: media controller created [ 69.015826][ T9] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 69.022125][ T9] smsusb:smsusb_start_streaming: smsusb_submit_urb(...) failed [ 69.030625][ T9] smsusb:smsusb_init_device: smsusb_start_streaming(...) failed [ 69.040350][ T9] ------------[ cut here ]------------ [ 69.046268][ T9] !PageLargeKmalloc(page) [ 69.046287][ T9] WARNING: mm/slub.c:6789 at free_large_kmalloc+0x96/0xd0, CPU#0: kworker/0:0/9 [ 69.060927][ T9] Modules linked in: [ 69.065179][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(voluntary) [ 69.075566][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 69.086750][ T9] Workqueue: usb_hub_wq hub_event [ 69.092382][ T9] RIP: 0010:free_large_kmalloc+0x96/0xd0 [ 69.098252][ T9] Code: 28 90 0f 0b 90 80 3d 4b ed b4 08 00 0f 84 b3 ae 19 ff 48 8b 74 24 28 48 89 ef e8 95 d9 08 00 b8 00 f0 ff ff 45 31 ed eb be 90 <0f> 0b 90 48 83 c4 08 48 89 df 48 c7 c6 6d e2 dd 88 5b 5d 41 5c 41 [ 69.119330][ T9] RSP: 0018:ffffc9000009ed18 EFLAGS: 00010202 [ 69.125967][ T9] RAX: 00000000000000ff RBX: ffffea0004983880 RCX: ffffffff81706c5e [ 69.134440][ T9] RDX: 0000000000000000 RSI: ffff8881260e2000 RDI: ffffea0004983880 [ 69.143249][ T9] RBP: ffff8881260e2000 R08: 0000000000000007 R09: 0000000000000000 [ 69.152097][ T9] R10: 0000000000000000 R11: ffffffff8212fc64 R12: ffff88811a13f000 [ 69.160748][ T9] R13: ffff88811a13e000 R14: dffffc0000000000 R15: ffff88811a13f0f0 [ 69.169120][ T9] FS: 0000000000000000(0000) GS:ffff88826896a000(0000) knlGS:0000000000000000 [ 69.178626][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.185488][ T9] CR2: 000055f88668bf20 CR3: 000000011f76a000 CR4: 00000000003506f0 [ 69.194836][ T9] Call Trace: [ 69.198171][ T9] [ 69.201147][ T9] usb_free_urb.part.0+0xf8/0x110 [ 69.206216][ T9] usb_free_urb+0x1f/0x30 [ 69.210643][ T9] smsusb_term_device+0x108/0x200 [ 69.216048][ T9] smsusb_init_device+0xb4e/0xbb0 [ 69.221539][ T9] ? __pfx_smsusb_init_device+0x10/0x10 [ 69.227865][ T9] ? __pfx_smsusb_sendrequest+0x10/0x10 [ 69.233892][ T9] ? usb_hcd_reset_endpoint+0xaf/0x240 [ 69.239878][ T9] smsusb_probe+0xd7f/0xe1f [ 69.244850][ T9] ? __pfx_smsusb_probe+0x10/0x10 [ 69.250493][ T9] ? mark_held_locks+0x40/0x70 [ 69.255468][ T9] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 69.261977][ T9] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 69.268209][ T9] ? __pm_runtime_set_status+0x13c/0x970 [ 69.274228][ T9] usb_probe_interface+0x303/0x8f0 [ 69.279605][ T9] ? __pfx_usb_probe_interface+0x10/0x10 [ 69.286165][ T9] really_probe+0x241/0xa60 [ 69.291104][ T9] __driver_probe_device+0x1de/0x400 [ 69.296783][ T9] driver_probe_device+0x4c/0x1b0 [ 69.302154][ T9] __device_attach_driver+0x1df/0x340 [ 69.307788][ T9] ? __pfx___device_attach_driver+0x10/0x10 [ 69.314266][ T9] bus_for_each_drv+0x159/0x1e0 [ 69.319358][ T9] ? __pfx_bus_for_each_drv+0x10/0x10 [ 69.325112][ T9] ? lockdep_hardirqs_on+0x78/0x100 [ 69.330387][ T9] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 69.336253][ T9] __device_attach+0x1e4/0x4d0 [ 69.341961][ T9] ? __pfx___device_attach+0x10/0x10 [ 69.347279][ T9] ? do_raw_spin_unlock+0x145/0x1e0 [ 69.352961][ T9] device_initial_probe+0xaf/0xd0 [ 69.358555][ T9] bus_probe_device+0x64/0x160 [ 69.363961][ T9] device_add+0x11d9/0x1950 [ 69.368899][ T9] ? __pfx_device_add+0x10/0x10 [ 69.374821][ T9] ? mark_held_locks+0x40/0x70 [ 69.379880][ T9] usb_set_configuration+0xd97/0x1c60 [ 69.385823][ T9] ? __pfx_usb_generic_driver_probe+0x10/0x10 [ 69.392216][ T9] usb_generic_driver_probe+0xa1/0xe0 [ 69.398274][ T9] usb_probe_device+0xef/0x400 [ 69.403256][ T9] ? __pfx_usb_probe_device+0x10/0x10 [ 69.408689][ T9] really_probe+0x241/0xa60 [ 69.413545][ T9] __driver_probe_device+0x1de/0x400 [ 69.419235][ T9] ? usb_driver_applicable+0x1c7/0x220 [ 69.425022][ T9] driver_probe_device+0x4c/0x1b0 [ 69.430294][ T9] __device_attach_driver+0x1df/0x340 [ 69.435981][ T9] ? __pfx___device_attach_driver+0x10/0x10 [ 69.442149][ T9] bus_for_each_drv+0x159/0x1e0 [ 69.447443][ T9] ? __pfx_bus_for_each_drv+0x10/0x10 [ 69.453244][ T9] ? lockdep_hardirqs_on+0x78/0x100 [ 69.459139][ T9] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 69.465872][ T9] __device_attach+0x1e4/0x4d0 [ 69.471047][ T9] ? __pfx___device_attach+0x10/0x10 [ 69.476455][ T9] ? do_raw_spin_unlock+0x145/0x1e0 [ 69.482013][ T9] device_initial_probe+0xaf/0xd0 [ 69.487548][ T9] bus_probe_device+0x64/0x160 [ 69.492797][ T9] device_add+0x11d9/0x1950 [ 69.497683][ T9] ? __pfx_device_add+0x10/0x10 [ 69.502570][ T9] ? add_device_randomness+0xb7/0xf0 [ 69.508106][ T9] usb_new_device.cold+0x685/0x115c [ 69.513530][ T9] ? do_raw_spin_lock+0x128/0x260 [ 69.519163][ T9] ? __pfx_usb_new_device+0x10/0x10 [ 69.524491][ T9] ? mark_held_locks+0x40/0x70 [ 69.529750][ T9] hub_event+0x314d/0x4af0 [ 69.534574][ T9] ? __pfx_hub_event+0x10/0x10 [ 69.539473][ T9] ? assoc_array_insert+0x70/0x32c0 [ 69.544885][ T9] ? update_load_avg+0x183/0x2110 [ 69.550164][ T9] ? process_one_work+0x80b/0x1840 [ 69.555573][ T9] ? rcu_is_watching+0x12/0xc0 [ 69.560830][ T9] process_one_work+0x9c2/0x1840 [ 69.566169][ T9] ? __pfx_process_one_work+0x10/0x10 [ 69.571976][ T9] ? assign_work+0x19c/0x250 [ 69.576695][ T9] worker_thread+0x5da/0xe40 [ 69.581653][ T9] ? kthread+0x17d/0x730 [ 69.586545][ T9] ? __pfx_worker_thread+0x10/0x10 [ 69.592061][ T9] kthread+0x3b3/0x730 [ 69.596519][ T9] ? __pfx_kthread+0x10/0x10 [ 69.601797][ T9] ? ret_from_fork+0x79/0xa20 [ 69.606751][ T9] ? ret_from_fork+0x79/0xa20 [ 69.611667][ T9] ? rcu_is_watching+0x12/0xc0 [ 69.616638][ T9] ? __pfx_kthread+0x10/0x10 [ 69.621287][ T9] ret_from_fork+0x6c3/0xa20 [ 69.626271][ T9] ? __pfx_ret_from_fork+0x10/0x10 [ 69.632075][ T9] ? __switch_to+0x7af/0x10b0 [ 69.637142][ T9] ? __pfx_kthread+0x10/0x10 [ 69.642412][ T9] ret_from_fork_asm+0x1a/0x30 [ 69.647957][ T9] [ 69.651251][ T9] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 69.659232][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(voluntary) [ 69.669995][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 69.680842][ T9] Workqueue: usb_hub_wq hub_event [ 69.686777][ T9] Call Trace: [ 69.690292][ T9] [ 69.693424][ T9] dump_stack_lvl+0x100/0x190 [ 69.698750][ T9] vpanic+0x20d/0x630 [ 69.703120][ T9] panic+0xd1/0xd1 [ 69.707284][ T9] ? __pfx_panic+0x10/0x10 [ 69.711907][ T9] ? check_panic_on_warn+0x1f/0x90 [ 69.717519][ T9] check_panic_on_warn.cold+0x19/0x34 [ 69.723024][ T9] ? free_large_kmalloc+0x96/0xd0 [ 69.728340][ T9] __warn.cold+0x191/0x2f8 [ 69.732861][ T9] __report_bug+0x296/0x3d0 [ 69.737637][ T9] ? free_large_kmalloc+0x96/0xd0 [ 69.743199][ T9] ? __pfx___report_bug+0x10/0x10 [ 69.748794][ T9] ? hub_event+0x314d/0x4af0 [ 69.753883][ T9] ? process_one_work+0x9c2/0x1840 [ 69.759281][ T9] ? worker_thread+0x5da/0xe40 [ 69.765101][ T9] ? kthread+0x3b3/0x730 [ 69.769556][ T9] ? ret_from_fork+0x6c3/0xa20 [ 69.775049][ T9] ? ret_from_fork_asm+0x1a/0x30 [ 69.780464][ T9] ? find_held_lock+0x2b/0x80 [ 69.785426][ T9] ? smscore_unregister_device+0x537/0x7f0 [ 69.791435][ T9] ? smscore_unregister_device+0x537/0x7f0 [ 69.797641][ T9] ? free_large_kmalloc+0x96/0xd0 [ 69.802676][ T9] report_bug+0xb2/0x220 [ 69.807025][ T9] ? free_large_kmalloc+0x96/0xd0 [ 69.812335][ T9] handle_bug+0x166/0x2a0 [ 69.816852][ T9] exc_invalid_op+0x17/0x50 [ 69.821544][ T9] asm_exc_invalid_op+0x1a/0x20 [ 69.826763][ T9] RIP: 0010:free_large_kmalloc+0x96/0xd0 [ 69.832578][ T9] Code: 28 90 0f 0b 90 80 3d 4b ed b4 08 00 0f 84 b3 ae 19 ff 48 8b 74 24 28 48 89 ef e8 95 d9 08 00 b8 00 f0 ff ff 45 31 ed eb be 90 <0f> 0b 90 48 83 c4 08 48 89 df 48 c7 c6 6d e2 dd 88 5b 5d 41 5c 41 [ 69.854471][ T9] RSP: 0018:ffffc9000009ed18 EFLAGS: 00010202 [ 69.860896][ T9] RAX: 00000000000000ff RBX: ffffea0004983880 RCX: ffffffff81706c5e [ 69.869415][ T9] RDX: 0000000000000000 RSI: ffff8881260e2000 RDI: ffffea0004983880 [ 69.877832][ T9] RBP: ffff8881260e2000 R08: 0000000000000007 R09: 0000000000000000 [ 69.886788][ T9] R10: 0000000000000000 R11: ffffffff8212fc64 R12: ffff88811a13f000 [ 69.895052][ T9] R13: ffff88811a13e000 R14: dffffc0000000000 R15: ffff88811a13f0f0 [ 69.903592][ T9] ? kasan_save_track+0x14/0x30 [ 69.908712][ T9] ? __phys_addr+0xde/0x180 [ 69.913377][ T9] usb_free_urb.part.0+0xf8/0x110 [ 69.918916][ T9] usb_free_urb+0x1f/0x30 [ 69.923462][ T9] smsusb_term_device+0x108/0x200 [ 69.928785][ T9] smsusb_init_device+0xb4e/0xbb0 [ 69.933928][ T9] ? __pfx_smsusb_init_device+0x10/0x10 [ 69.939666][ T9] ? __pfx_smsusb_sendrequest+0x10/0x10 [ 69.945667][ T9] ? usb_hcd_reset_endpoint+0xaf/0x240 [ 69.951224][ T9] smsusb_probe+0xd7f/0xe1f [ 69.955835][ T9] ? __pfx_smsusb_probe+0x10/0x10 [ 69.960868][ T9] ? mark_held_locks+0x40/0x70 [ 69.965652][ T9] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 69.971732][ T9] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 69.977546][ T9] ? __pm_runtime_set_status+0x13c/0x970 [ 69.983552][ T9] usb_probe_interface+0x303/0x8f0 [ 69.988815][ T9] ? __pfx_usb_probe_interface+0x10/0x10 [ 69.994815][ T9] really_probe+0x241/0xa60 [ 69.999513][ T9] __driver_probe_device+0x1de/0x400 [ 70.004899][ T9] driver_probe_device+0x4c/0x1b0 [ 70.010024][ T9] __device_attach_driver+0x1df/0x340 [ 70.015500][ T9] ? __pfx___device_attach_driver+0x10/0x10 [ 70.021756][ T9] bus_for_each_drv+0x159/0x1e0 [ 70.026910][ T9] ? __pfx_bus_for_each_drv+0x10/0x10 [ 70.032570][ T9] ? lockdep_hardirqs_on+0x78/0x100 [ 70.038138][ T9] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 70.044320][ T9] __device_attach+0x1e4/0x4d0 [ 70.049507][ T9] ? __pfx___device_attach+0x10/0x10 [ 70.055171][ T9] ? do_raw_spin_unlock+0x145/0x1e0 [ 70.061041][ T9] device_initial_probe+0xaf/0xd0 [ 70.066626][ T9] bus_probe_device+0x64/0x160 [ 70.071932][ T9] device_add+0x11d9/0x1950 [ 70.076899][ T9] ? __pfx_device_add+0x10/0x10 [ 70.082104][ T9] ? mark_held_locks+0x40/0x70 [ 70.087144][ T9] usb_set_configuration+0xd97/0x1c60 [ 70.093080][ T9] ? __pfx_usb_generic_driver_probe+0x10/0x10 [ 70.099239][ T9] usb_generic_driver_probe+0xa1/0xe0 [ 70.104921][ T9] usb_probe_device+0xef/0x400 [ 70.109956][ T9] ? __pfx_usb_probe_device+0x10/0x10 [ 70.115343][ T9] really_probe+0x241/0xa60 [ 70.120135][ T9] __driver_probe_device+0x1de/0x400 [ 70.125882][ T9] ? usb_driver_applicable+0x1c7/0x220 [ 70.131973][ T9] driver_probe_device+0x4c/0x1b0 [ 70.137275][ T9] __device_attach_driver+0x1df/0x340 [ 70.142950][ T9] ? __pfx___device_attach_driver+0x10/0x10 [ 70.149404][ T9] bus_for_each_drv+0x159/0x1e0 [ 70.155854][ T9] ? __pfx_bus_for_each_drv+0x10/0x10 [ 70.161466][ T9] ? lockdep_hardirqs_on+0x78/0x100 [ 70.167006][ T9] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 70.173128][ T9] __device_attach+0x1e4/0x4d0 [ 70.178445][ T9] ? __pfx___device_attach+0x10/0x10 [ 70.183920][ T9] ? do_raw_spin_unlock+0x145/0x1e0 [ 70.189308][ T9] device_initial_probe+0xaf/0xd0 [ 70.194431][ T9] bus_probe_device+0x64/0x160 [ 70.199395][ T9] device_add+0x11d9/0x1950 [ 70.204216][ T9] ? __pfx_device_add+0x10/0x10 [ 70.209260][ T9] ? add_device_randomness+0xb7/0xf0 [ 70.214836][ T9] usb_new_device.cold+0x685/0x115c [ 70.220416][ T9] ? do_raw_spin_lock+0x128/0x260 [ 70.225622][ T9] ? __pfx_usb_new_device+0x10/0x10 [ 70.231466][ T9] ? mark_held_locks+0x40/0x70 [ 70.236286][ T9] hub_event+0x314d/0x4af0 [ 70.240957][ T9] ? __pfx_hub_event+0x10/0x10 [ 70.246187][ T9] ? assoc_array_insert+0x70/0x32c0 [ 70.251497][ T9] ? update_load_avg+0x183/0x2110 [ 70.256567][ T9] ? process_one_work+0x80b/0x1840 [ 70.262054][ T9] ? rcu_is_watching+0x12/0xc0 [ 70.267097][ T9] process_one_work+0x9c2/0x1840 [ 70.272167][ T9] ? __pfx_process_one_work+0x10/0x10 [ 70.278357][ T9] ? assign_work+0x19c/0x250 [ 70.283154][ T9] worker_thread+0x5da/0xe40 [ 70.288060][ T9] ? kthread+0x17d/0x730 [ 70.292749][ T9] ? __pfx_worker_thread+0x10/0x10 [ 70.298138][ T9] kthread+0x3b3/0x730 [ 70.302301][ T9] ? __pfx_kthread+0x10/0x10 [ 70.307170][ T9] ? ret_from_fork+0x79/0xa20 [ 70.312300][ T9] ? ret_from_fork+0x79/0xa20 [ 70.317419][ T9] ? rcu_is_watching+0x12/0xc0 [ 70.322202][ T9] ? __pfx_kthread+0x10/0x10 [ 70.326894][ T9] ret_from_fork+0x6c3/0xa20 [ 70.331661][ T9] ? __pfx_ret_from_fork+0x10/0x10 [ 70.337220][ T9] ? __switch_to+0x7af/0x10b0 [ 70.341969][ T9] ? __pfx_kthread+0x10/0x10 [ 70.346813][ T9] ret_from_fork_asm+0x1a/0x30 [ 70.351879][ T9] [ 70.356207][ T9] Kernel Offset: disabled [ 70.361099][ T9] Rebooting in 86400 seconds..