Warning: Permanently added '10.128.0.151' (ED25519) to the list of known hosts. 2025/09/28 04:54:37 parsed 1 programs [ 91.725334][ T29] audit: type=1400 audit(1759035278.758:101): avc: denied { unlink } for pid=3965 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 91.840738][ T3965] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 93.483190][ T29] audit: type=1400 audit(1759035280.518:102): avc: denied { read } for pid=3971 comm="syz-executor" dev="nsfs" ino=4026531833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 93.512835][ T29] audit: type=1400 audit(1759035280.518:103): avc: denied { open } for pid=3971 comm="syz-executor" path="net:[4026531833]" dev="nsfs" ino=4026531833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 93.536304][ T29] audit: type=1400 audit(1759035280.548:104): avc: denied { unmount } for pid=3971 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 95.203292][ T29] audit: type=1401 audit(1759035282.238:105): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" 2025/09/28 04:54:53 executed programs: 0 2025/09/28 04:55:03 executed programs: 2 [ 116.721093][ T29] audit: type=1400 audit(1759035303.758:106): avc: denied { read write } for pid=4939 comm="syz.3.16" 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 [ 116.744774][ T29] audit: type=1400 audit(1759035303.758:107): avc: denied { open } for pid=4939 comm="syz.3.16" 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 [ 116.768055][ T29] audit: type=1400 audit(1759035303.758:108): avc: denied { ioctl } for pid=4939 comm="syz.3.16" 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 [ 117.027618][ T37] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 117.177491][ T37] usb 4-1: Using ep0 maxpacket: 8 [ 117.184495][ T37] usb 4-1: config 162 has an invalid interface number: 3 but max is 2 [ 117.192866][ T37] usb 4-1: config 162 has an invalid interface number: 3 but max is 2 [ 117.201162][ T37] usb 4-1: config 162 has 2 interfaces, different from the descriptor's value: 3 [ 117.210328][ T37] usb 4-1: config 162 has no interface number 0 [ 117.216625][ T37] usb 4-1: config 162 has no interface number 1 [ 117.224137][ T37] usb 4-1: config 162 interface 3 altsetting 2 has 1 endpoint descriptor, different from the interface descriptor's value: 3 [ 117.237177][ T37] usb 4-1: config 162 interface 2 altsetting 1 has a duplicate endpoint with address 0x9, skipping [ 117.248024][ T37] usb 4-1: config 162 interface 2 altsetting 1 has an endpoint descriptor with address 0xA6, changing to 0x86 [ 117.259717][ T37] usb 4-1: config 162 interface 2 altsetting 1 endpoint 0x86 has invalid maxpacket 23105, setting to 1024 [ 117.271194][ T37] usb 4-1: config 162 interface 2 altsetting 1 bulk endpoint 0x86 has invalid maxpacket 1024 [ 117.281416][ T37] usb 4-1: config 162 interface 2 altsetting 1 has 5 endpoint descriptors, different from the interface descriptor's value: 4 [ 117.294519][ T37] usb 4-1: config 162 interface 3 has no altsetting 0 [ 117.301338][ T37] usb 4-1: config 162 interface 3 has no altsetting 1 [ 117.308160][ T37] usb 4-1: config 162 interface 2 has no altsetting 0 [ 117.317374][ T37] usb 4-1: New USB device found, idVendor=0e8d, idProduct=763f, bcdDevice=9b.23 [ 117.326447][ T37] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 117.334989][ T37] usb 4-1: Product: syz [ 117.339198][ T37] usb 4-1: Manufacturer: syz [ 117.343797][ T37] usb 4-1: SerialNumber: syz [ 117.579198][ T4944] Bluetooth: hci0: Opcode 0x0c03 failed: -71 [ 117.580748][ T37] usb 4-1: USB disconnect, device number 2 [ 117.596971][ T37] ================================================================== [ 117.605169][ T37] BUG: KASAN: slab-use-after-free in btusb_disconnect+0x4dc/0x580 [ 117.613119][ T37] Read of size 4 at addr ffff8881000a47c0 by task kworker/1:1/37 [ 117.620844][ T37] [ 117.623268][ T37] CPU: 1 UID: 0 PID: 37 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(voluntary) [ 117.623290][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 117.623302][ T37] Workqueue: usb_hub_wq hub_event [ 117.623332][ T37] Call Trace: [ 117.623346][ T37] [ 117.623354][ T37] dump_stack_lvl+0x116/0x1f0 [ 117.623374][ T37] print_report+0xcd/0x630 [ 117.623394][ T37] ? __virt_addr_valid+0x81/0x610 [ 117.623414][ T37] ? __phys_addr+0xe8/0x180 [ 117.623433][ T37] ? btusb_disconnect+0x4dc/0x580 [ 117.623450][ T37] kasan_report+0xe0/0x110 [ 117.623469][ T37] ? btusb_disconnect+0x4dc/0x580 [ 117.623488][ T37] btusb_disconnect+0x4dc/0x580 [ 117.623507][ T37] usb_unbind_interface+0x1da/0x9e0 [ 117.623522][ T37] ? kernfs_remove_by_name_ns+0xbe/0x110 [ 117.623541][ T37] ? __pfx_usb_unbind_interface+0x10/0x10 [ 117.623555][ T37] device_remove+0x122/0x170 [ 117.623576][ T37] device_release_driver_internal+0x44b/0x620 [ 117.623603][ T37] bus_remove_device+0x22f/0x420 [ 117.623623][ T37] device_del+0x396/0x9f0 [ 117.623645][ T37] ? __pfx_device_del+0x10/0x10 [ 117.623664][ T37] ? kobject_put+0x210/0x5a0 [ 117.623683][ T37] usb_disable_device+0x355/0x7d0 [ 117.623706][ T37] usb_disconnect+0x2e1/0x9c0 [ 117.623727][ T37] hub_event+0x1aa2/0x5060 [ 117.623753][ T37] ? __lock_acquire+0xb97/0x1ce0 [ 117.623769][ T37] ? __pfx_hub_event+0x10/0x10 [ 117.623788][ T37] ? interval_tree_remove+0x850/0xee0 [ 117.623813][ T37] ? rcu_is_watching+0x12/0xc0 [ 117.623835][ T37] process_one_work+0x9cf/0x1b70 [ 117.623857][ T37] ? __pfx_hub_event+0x10/0x10 [ 117.623877][ T37] ? __pfx_process_one_work+0x10/0x10 [ 117.623898][ T37] ? assign_work+0x1a0/0x250 [ 117.623915][ T37] worker_thread+0x6c8/0xf10 [ 117.623935][ T37] ? __kthread_parkme+0x19e/0x250 [ 117.623949][ T37] ? __pfx_worker_thread+0x10/0x10 [ 117.623967][ T37] kthread+0x3c5/0x780 [ 117.623984][ T37] ? __pfx_kthread+0x10/0x10 [ 117.624006][ T37] ? rcu_is_watching+0x12/0xc0 [ 117.624025][ T37] ? __pfx_kthread+0x10/0x10 [ 117.624041][ T37] ret_from_fork+0x56d/0x700 [ 117.624056][ T37] ? __pfx_kthread+0x10/0x10 [ 117.624072][ T37] ret_from_fork_asm+0x1a/0x30 [ 117.624096][ T37] [ 117.624101][ T37] [ 117.844951][ T37] Allocated by task 37: [ 117.849088][ T37] kasan_save_stack+0x33/0x60 [ 117.853853][ T37] kasan_save_track+0x14/0x30 [ 117.858566][ T37] __kasan_kmalloc+0x8f/0xa0 [ 117.863154][ T37] __kmalloc_node_track_caller_noprof+0x212/0x4c0 [ 117.869667][ T37] devm_kmalloc+0xa5/0x260 [ 117.874089][ T37] btusb_probe+0x23f/0x4480 [ 117.878789][ T37] usb_probe_interface+0x303/0xa40 [ 117.883898][ T37] really_probe+0x241/0xa90 [ 117.888396][ T37] __driver_probe_device+0x1de/0x440 [ 117.893692][ T37] driver_probe_device+0x4c/0x1b0 [ 117.898711][ T37] __device_attach_driver+0x1df/0x310 [ 117.904105][ T37] bus_for_each_drv+0x159/0x1e0 [ 117.908960][ T37] __device_attach+0x1e4/0x4b0 [ 117.913829][ T37] bus_probe_device+0x17f/0x1c0 [ 117.918767][ T37] device_add+0x1148/0x1aa0 [ 117.923271][ T37] usb_set_configuration+0x1187/0x1e20 [ 117.928740][ T37] usb_generic_driver_probe+0xb1/0x110 [ 117.934236][ T37] usb_probe_device+0xec/0x3e0 [ 117.939027][ T37] really_probe+0x241/0xa90 [ 117.943538][ T37] __driver_probe_device+0x1de/0x440 [ 117.948854][ T37] driver_probe_device+0x4c/0x1b0 [ 117.954005][ T37] __device_attach_driver+0x1df/0x310 [ 117.959402][ T37] bus_for_each_drv+0x159/0x1e0 [ 117.964363][ T37] __device_attach+0x1e4/0x4b0 [ 117.969124][ T37] bus_probe_device+0x17f/0x1c0 [ 117.973970][ T37] device_add+0x1148/0x1aa0 [ 117.978461][ T37] usb_new_device+0xd07/0x1a60 [ 117.983234][ T37] hub_event+0x2fce/0x5060 [ 117.987646][ T37] process_one_work+0x9cf/0x1b70 [ 117.992593][ T37] worker_thread+0x6c8/0xf10 [ 117.997213][ T37] kthread+0x3c5/0x780 [ 118.001278][ T37] ret_from_fork+0x56d/0x700 [ 118.005861][ T37] ret_from_fork_asm+0x1a/0x30 [ 118.010628][ T37] [ 118.012936][ T37] Freed by task 37: [ 118.016721][ T37] kasan_save_stack+0x33/0x60 [ 118.021415][ T37] kasan_save_track+0x14/0x30 [ 118.026200][ T37] kasan_save_free_info+0x3b/0x60 [ 118.031212][ T37] __kasan_slab_free+0x3e/0x50 [ 118.035970][ T37] kfree+0x283/0x470 [ 118.039862][ T37] release_nodes+0x11e/0x240 [ 118.044483][ T37] devres_release_all+0x112/0x180 [ 118.049503][ T37] device_unbind_cleanup+0x19/0x1f0 [ 118.054831][ T37] device_release_driver_internal+0x4c3/0x620 [ 118.060930][ T37] usb_driver_release_interface+0x109/0x190 [ 118.066823][ T37] btusb_disconnect+0x448/0x580 [ 118.071680][ T37] usb_unbind_interface+0x1da/0x9e0 [ 118.076874][ T37] device_remove+0x122/0x170 [ 118.081460][ T37] device_release_driver_internal+0x44b/0x620 [ 118.087542][ T37] bus_remove_device+0x22f/0x420 [ 118.092467][ T37] device_del+0x396/0x9f0 [ 118.096843][ T37] usb_disable_device+0x355/0x7d0 [ 118.101859][ T37] usb_disconnect+0x2e1/0x9c0 [ 118.106543][ T37] hub_event+0x1aa2/0x5060 [ 118.110950][ T37] process_one_work+0x9cf/0x1b70 [ 118.115879][ T37] worker_thread+0x6c8/0xf10 [ 118.120457][ T37] kthread+0x3c5/0x780 [ 118.124516][ T37] ret_from_fork+0x56d/0x700 [ 118.129090][ T37] ret_from_fork_asm+0x1a/0x30 [ 118.133852][ T37] [ 118.136221][ T37] The buggy address belongs to the object at ffff8881000a4000 [ 118.136221][ T37] which belongs to the cache kmalloc-2k of size 2048 [ 118.150294][ T37] The buggy address is located 1984 bytes inside of [ 118.150294][ T37] freed 2048-byte region [ffff8881000a4000, ffff8881000a4800) [ 118.164442][ T37] [ 118.166758][ T37] The buggy address belongs to the physical page: [ 118.173226][ T37] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1000a0 [ 118.182063][ T37] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 118.190569][ T37] anon flags: 0x200000000000040(head|node=0|zone=2) [ 118.197153][ T37] page_type: f5(slab) [ 118.201123][ T37] raw: 0200000000000040 ffff888100042000 0000000000000000 dead000000000001 [ 118.209853][ T37] raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 118.218507][ T37] head: 0200000000000040 ffff888100042000 0000000000000000 dead000000000001 [ 118.227359][ T37] head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 118.236033][ T37] head: 0200000000000003 ffffea0004002801 00000000ffffffff 00000000ffffffff [ 118.244725][ T37] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000008 [ 118.253548][ T37] page dumped because: kasan: bad access detected [ 118.260060][ T37] page_owner tracks the page as allocated [ 118.265770][ T37] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x52000(__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 0, tgid 0 (swapper/0), ts 1657545179, free_ts 0 [ 118.282451][ T37] post_alloc_hook+0x1c0/0x230 [ 118.287217][ T37] get_page_from_freelist+0xf98/0x2ce0 [ 118.292669][ T37] __alloc_frozen_pages_noprof+0x259/0x21e0 [ 118.298561][ T37] alloc_pages_mpol+0xe4/0x410 [ 118.303405][ T37] new_slab+0x247/0x330 [ 118.307648][ T37] ___slab_alloc+0xc55/0x1620 [ 118.312325][ T37] __slab_alloc.constprop.0+0x56/0xb0 [ 118.317704][ T37] __kmalloc_cache_node_noprof+0x208/0x3c0 [ 118.323503][ T37] alloc_unbound_pwq+0x5fc/0xe10 [ 118.328627][ T37] apply_wqattrs_prepare+0x3af/0xbd0 [ 118.333922][ T37] apply_workqueue_attrs_locked+0x64/0xe0 [ 118.339737][ T37] __alloc_workqueue+0x1007/0x1810 [ 118.344835][ T37] alloc_workqueue_noprof+0xd2/0x200 [ 118.350122][ T37] workqueue_init_early+0xd46/0x1480 [ 118.355426][ T37] start_kernel+0x1da/0x4d0 [ 118.359932][ T37] x86_64_start_reservations+0x18/0x30 [ 118.365475][ T37] page_owner free stack trace missing [ 118.370839][ T37] [ 118.373148][ T37] Memory state around the buggy address: [ 118.378784][ T37] ffff8881000a4680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 118.386853][ T37] ffff8881000a4700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 118.394901][ T37] >ffff8881000a4780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 118.402956][ T37] ^ [ 118.409106][ T37] ffff8881000a4800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 118.417192][ T37] ffff8881000a4880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 118.425434][ T37] ================================================================== [ 118.433700][ T37] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 118.440989][ T37] CPU: 1 UID: 0 PID: 37 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(voluntary) [ 118.450719][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 118.460882][ T37] Workqueue: usb_hub_wq hub_event [ 118.465913][ T37] Call Trace: [ 118.469181][ T37] [ 118.472189][ T37] dump_stack_lvl+0x3d/0x1f0 [ 118.476771][ T37] vpanic+0x6e8/0x7a0 [ 118.480755][ T37] ? __pfx_vpanic+0x10/0x10 [ 118.485248][ T37] ? btusb_disconnect+0x4dc/0x580 [ 118.490276][ T37] panic+0xca/0xd0 [ 118.494002][ T37] ? __pfx_panic+0x10/0x10 [ 118.498414][ T37] ? check_panic_on_warn+0x1f/0xb0 [ 118.503527][ T37] check_panic_on_warn+0xab/0xb0 [ 118.508484][ T37] end_report+0x107/0x170 [ 118.512838][ T37] kasan_report+0xee/0x110 [ 118.517256][ T37] ? btusb_disconnect+0x4dc/0x580 [ 118.522274][ T37] btusb_disconnect+0x4dc/0x580 [ 118.527178][ T37] usb_unbind_interface+0x1da/0x9e0 [ 118.532374][ T37] ? kernfs_remove_by_name_ns+0xbe/0x110 [ 118.537999][ T37] ? __pfx_usb_unbind_interface+0x10/0x10 [ 118.543986][ T37] device_remove+0x122/0x170 [ 118.548673][ T37] device_release_driver_internal+0x44b/0x620 [ 118.554741][ T37] bus_remove_device+0x22f/0x420 [ 118.559691][ T37] device_del+0x396/0x9f0 [ 118.564044][ T37] ? __pfx_device_del+0x10/0x10 [ 118.568996][ T37] ? kobject_put+0x210/0x5a0 [ 118.573672][ T37] usb_disable_device+0x355/0x7d0 [ 118.578707][ T37] usb_disconnect+0x2e1/0x9c0 [ 118.583399][ T37] hub_event+0x1aa2/0x5060 [ 118.587826][ T37] ? __lock_acquire+0xb97/0x1ce0 [ 118.592768][ T37] ? __pfx_hub_event+0x10/0x10 [ 118.597535][ T37] ? interval_tree_remove+0x850/0xee0 [ 118.602904][ T37] ? rcu_is_watching+0x12/0xc0 [ 118.607684][ T37] process_one_work+0x9cf/0x1b70 [ 118.612640][ T37] ? __pfx_hub_event+0x10/0x10 [ 118.617405][ T37] ? __pfx_process_one_work+0x10/0x10 [ 118.622788][ T37] ? assign_work+0x1a0/0x250 [ 118.627458][ T37] worker_thread+0x6c8/0xf10 [ 118.632074][ T37] ? __kthread_parkme+0x19e/0x250 [ 118.637090][ T37] ? __pfx_worker_thread+0x10/0x10 [ 118.642390][ T37] kthread+0x3c5/0x780 [ 118.646476][ T37] ? __pfx_kthread+0x10/0x10 [ 118.651057][ T37] ? rcu_is_watching+0x12/0xc0 [ 118.655836][ T37] ? __pfx_kthread+0x10/0x10 [ 118.660510][ T37] ret_from_fork+0x56d/0x700 [ 118.665102][ T37] ? __pfx_kthread+0x10/0x10 [ 118.669780][ T37] ret_from_fork_asm+0x1a/0x30 [ 118.674571][ T37] [ 118.677915][ T37] Kernel Offset: disabled [ 118.682251][ T37] Rebooting in 86400 seconds..