[ 49.132568][ T29] kauditd_printk_skb: 21 callbacks suppressed [ 49.132588][ T29] audit: type=1400 audit(1759034957.119:92): avc: denied { create } for pid=2987 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 49.159945][ T29] audit: type=1400 audit(1759034957.119:93): avc: denied { write } for pid=2987 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 49.180571][ T29] audit: type=1400 audit(1759034957.159:94): avc: denied { read } for pid=2987 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 58.493823][ T29] audit: type=1401 audit(1759034966.479:95): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 58.645225][ T29] audit: type=1400 audit(1759034966.629:96): avc: denied { create } for pid=3481 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bluetooth_socket permissive=1 [ 58.694432][ T29] audit: type=1400 audit(1759034966.679:97): avc: denied { create } for pid=3482 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=user_namespace permissive=1 [ 58.714552][ T29] audit: type=1400 audit(1759034966.679:98): avc: denied { sys_admin } for pid=3482 comm="syz-executor" capability=21 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=cap_userns permissive=1 [ 58.737871][ T29] audit: type=1400 audit(1759034966.719:99): avc: denied { sys_chroot } for pid=3483 comm="syz-executor" capability=18 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=cap_userns permissive=1 [ 59.262840][ T29] audit: type=1400 audit(1759034967.249:100): avc: denied { write } for pid=2958 comm="syz-execprog" path="pipe:[1729]" dev="pipefs" ino=1729 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.81' (ED25519) to the list of known hosts. 2025/09/28 04:50:01 parsed 1 programs [ 95.284497][ T29] audit: type=1400 audit(1759035003.269:101): avc: denied { unlink } for pid=3970 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" [ 95.371778][ T3970] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 96.757666][ T29] audit: type=1400 audit(1759035004.739:102): avc: denied { read } for pid=3975 comm="syz-executor" dev="nsfs" ino=4026531833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 96.779717][ T29] audit: type=1400 audit(1759035004.739:103): avc: denied { open } for pid=3975 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 [ 96.846030][ T29] audit: type=1401 audit(1759035004.829:104): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 96.908693][ T29] audit: type=1400 audit(1759035004.889:105): avc: denied { unmount } for pid=3979 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 2025/09/28 04:50:18 executed programs: 0 2025/09/28 04:50:28 executed programs: 2 [ 120.909630][ T29] audit: type=1400 audit(1759035028.889:106): avc: denied { read write } for pid=4946 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 [ 120.933314][ T29] audit: type=1400 audit(1759035028.889:107): avc: denied { open } for pid=4946 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 [ 120.957036][ T29] audit: type=1400 audit(1759035028.939:108): avc: denied { ioctl } for pid=4946 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 [ 121.189774][ T10] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 121.339640][ T10] usb 4-1: Using ep0 maxpacket: 8 [ 121.346672][ T10] usb 4-1: config 162 has an invalid interface number: 3 but max is 2 [ 121.354977][ T10] usb 4-1: config 162 has an invalid interface number: 3 but max is 2 [ 121.363294][ T10] usb 4-1: config 162 has 2 interfaces, different from the descriptor's value: 3 [ 121.372473][ T10] usb 4-1: config 162 has no interface number 0 [ 121.378743][ T10] usb 4-1: config 162 has no interface number 1 [ 121.385196][ T10] usb 4-1: config 162 interface 3 altsetting 2 has 1 endpoint descriptor, different from the interface descriptor's value: 3 [ 121.398376][ T10] usb 4-1: config 162 interface 2 altsetting 1 has a duplicate endpoint with address 0x9, skipping [ 121.409323][ T10] usb 4-1: config 162 interface 2 altsetting 1 has an endpoint descriptor with address 0xA6, changing to 0x86 [ 121.421245][ T10] usb 4-1: config 162 interface 2 altsetting 1 endpoint 0x86 has invalid maxpacket 23105, setting to 1024 [ 121.432956][ T10] usb 4-1: config 162 interface 2 altsetting 1 bulk endpoint 0x86 has invalid maxpacket 1024 [ 121.443589][ T10] usb 4-1: config 162 interface 2 altsetting 1 has 5 endpoint descriptors, different from the interface descriptor's value: 4 [ 121.456659][ T10] usb 4-1: config 162 interface 3 has no altsetting 0 [ 121.463554][ T10] usb 4-1: config 162 interface 3 has no altsetting 1 [ 121.470403][ T10] usb 4-1: config 162 interface 2 has no altsetting 0 [ 121.479213][ T10] usb 4-1: New USB device found, idVendor=0e8d, idProduct=763f, bcdDevice=9b.23 [ 121.488751][ T10] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 121.496974][ T10] usb 4-1: Product: syz [ 121.501247][ T10] usb 4-1: Manufacturer: syz [ 121.505866][ T10] usb 4-1: SerialNumber: syz [ 121.738494][ T4951] Bluetooth: hci0: Opcode 0x0c03 failed: -71 [ 121.749208][ T10] usb 4-1: USB disconnect, device number 2 [ 121.759730][ T10] ================================================================== [ 121.767996][ T10] BUG: KASAN: slab-use-after-free in btusb_disconnect+0x4dc/0x580 [ 121.775916][ T10] Read of size 4 at addr ffff888102e907c0 by task kworker/0:1/10 [ 121.783825][ T10] [ 121.786178][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(voluntary) [ 121.786209][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 121.786225][ T10] Workqueue: usb_hub_wq hub_event [ 121.786268][ T10] Call Trace: [ 121.786275][ T10] [ 121.786284][ T10] dump_stack_lvl+0x116/0x1f0 [ 121.786313][ T10] print_report+0xcd/0x630 [ 121.786342][ T10] ? __virt_addr_valid+0x81/0x610 [ 121.786373][ T10] ? __phys_addr+0xe8/0x180 [ 121.786403][ T10] ? btusb_disconnect+0x4dc/0x580 [ 121.786432][ T10] kasan_report+0xe0/0x110 [ 121.786463][ T10] ? btusb_disconnect+0x4dc/0x580 [ 121.786495][ T10] btusb_disconnect+0x4dc/0x580 [ 121.786526][ T10] usb_unbind_interface+0x1da/0x9e0 [ 121.786552][ T10] ? kernfs_remove_by_name_ns+0xbe/0x110 [ 121.786580][ T10] ? __pfx_usb_unbind_interface+0x10/0x10 [ 121.786603][ T10] device_remove+0x122/0x170 [ 121.786635][ T10] device_release_driver_internal+0x44b/0x620 [ 121.786678][ T10] bus_remove_device+0x22f/0x420 [ 121.786710][ T10] device_del+0x396/0x9f0 [ 121.786743][ T10] ? __pfx_device_del+0x10/0x10 [ 121.786775][ T10] ? kobject_put+0x210/0x5a0 [ 121.786806][ T10] usb_disable_device+0x355/0x7d0 [ 121.786850][ T10] usb_disconnect+0x2e1/0x9c0 [ 121.786884][ T10] hub_event+0x1aa2/0x5060 [ 121.786926][ T10] ? __lock_acquire+0xb97/0x1ce0 [ 121.786953][ T10] ? __pfx_hub_event+0x10/0x10 [ 121.786984][ T10] ? interval_tree_remove+0x850/0xee0 [ 121.787022][ T10] ? rcu_is_watching+0x12/0xc0 [ 121.787055][ T10] process_one_work+0x9cf/0x1b70 [ 121.787090][ T10] ? __pfx_hub_event+0x10/0x10 [ 121.787123][ T10] ? __pfx_process_one_work+0x10/0x10 [ 121.787156][ T10] ? assign_work+0x1a0/0x250 [ 121.787185][ T10] worker_thread+0x6c8/0xf10 [ 121.787220][ T10] ? __kthread_parkme+0x19e/0x250 [ 121.787245][ T10] ? __pfx_worker_thread+0x10/0x10 [ 121.787274][ T10] kthread+0x3c5/0x780 [ 121.787302][ T10] ? __pfx_kthread+0x10/0x10 [ 121.787331][ T10] ? rcu_is_watching+0x12/0xc0 [ 121.787361][ T10] ? __pfx_kthread+0x10/0x10 [ 121.787389][ T10] ret_from_fork+0x56d/0x700 [ 121.787411][ T10] ? __pfx_kthread+0x10/0x10 [ 121.787439][ T10] ret_from_fork_asm+0x1a/0x30 [ 121.787478][ T10] [ 121.787486][ T10] [ 122.013188][ T10] Allocated by task 10: [ 122.017346][ T10] kasan_save_stack+0x33/0x60 [ 122.022028][ T10] kasan_save_track+0x14/0x30 [ 122.026794][ T10] __kasan_kmalloc+0x8f/0xa0 [ 122.031426][ T10] __kmalloc_node_track_caller_noprof+0x212/0x4c0 [ 122.037937][ T10] devm_kmalloc+0xa5/0x260 [ 122.042348][ T10] btusb_probe+0x23f/0x4480 [ 122.046850][ T10] usb_probe_interface+0x303/0xa40 [ 122.052298][ T10] really_probe+0x241/0xa90 [ 122.056845][ T10] __driver_probe_device+0x1de/0x440 [ 122.062438][ T10] driver_probe_device+0x4c/0x1b0 [ 122.067466][ T10] __device_attach_driver+0x1df/0x310 [ 122.072884][ T10] bus_for_each_drv+0x159/0x1e0 [ 122.078472][ T10] __device_attach+0x1e4/0x4b0 [ 122.083244][ T10] bus_probe_device+0x17f/0x1c0 [ 122.088121][ T10] device_add+0x1148/0x1aa0 [ 122.092733][ T10] usb_set_configuration+0x1187/0x1e20 [ 122.098290][ T10] usb_generic_driver_probe+0xb1/0x110 [ 122.103776][ T10] usb_probe_device+0xec/0x3e0 [ 122.108650][ T10] really_probe+0x241/0xa90 [ 122.113327][ T10] __driver_probe_device+0x1de/0x440 [ 122.118702][ T10] driver_probe_device+0x4c/0x1b0 [ 122.123761][ T10] __device_attach_driver+0x1df/0x310 [ 122.129131][ T10] bus_for_each_drv+0x159/0x1e0 [ 122.133992][ T10] __device_attach+0x1e4/0x4b0 [ 122.139402][ T10] bus_probe_device+0x17f/0x1c0 [ 122.144548][ T10] device_add+0x1148/0x1aa0 [ 122.149231][ T10] usb_new_device+0xd07/0x1a60 [ 122.154057][ T10] hub_event+0x2fce/0x5060 [ 122.158526][ T10] process_one_work+0x9cf/0x1b70 [ 122.163733][ T10] worker_thread+0x6c8/0xf10 [ 122.168420][ T10] kthread+0x3c5/0x780 [ 122.172665][ T10] ret_from_fork+0x56d/0x700 [ 122.177351][ T10] ret_from_fork_asm+0x1a/0x30 [ 122.182465][ T10] [ 122.184811][ T10] Freed by task 10: [ 122.188813][ T10] kasan_save_stack+0x33/0x60 [ 122.193597][ T10] kasan_save_track+0x14/0x30 [ 122.198370][ T10] kasan_save_free_info+0x3b/0x60 [ 122.203534][ T10] __kasan_slab_free+0x3e/0x50 [ 122.208512][ T10] kfree+0x283/0x470 [ 122.212513][ T10] release_nodes+0x11e/0x240 [ 122.217106][ T10] devres_release_all+0x112/0x180 [ 122.222306][ T10] device_unbind_cleanup+0x19/0x1f0 [ 122.227519][ T10] device_release_driver_internal+0x4c3/0x620 [ 122.233592][ T10] usb_driver_release_interface+0x109/0x190 [ 122.239591][ T10] btusb_disconnect+0x448/0x580 [ 122.244633][ T10] usb_unbind_interface+0x1da/0x9e0 [ 122.249999][ T10] device_remove+0x122/0x170 [ 122.254673][ T10] device_release_driver_internal+0x44b/0x620 [ 122.261038][ T10] bus_remove_device+0x22f/0x420 [ 122.266088][ T10] device_del+0x396/0x9f0 [ 122.270432][ T10] usb_disable_device+0x355/0x7d0 [ 122.275649][ T10] usb_disconnect+0x2e1/0x9c0 [ 122.280329][ T10] hub_event+0x1aa2/0x5060 [ 122.284839][ T10] process_one_work+0x9cf/0x1b70 [ 122.289902][ T10] worker_thread+0x6c8/0xf10 [ 122.294491][ T10] kthread+0x3c5/0x780 [ 122.298555][ T10] ret_from_fork+0x56d/0x700 [ 122.303150][ T10] ret_from_fork_asm+0x1a/0x30 [ 122.307929][ T10] [ 122.310244][ T10] The buggy address belongs to the object at ffff888102e90000 [ 122.310244][ T10] which belongs to the cache kmalloc-2k of size 2048 [ 122.324646][ T10] The buggy address is located 1984 bytes inside of [ 122.324646][ T10] freed 2048-byte region [ffff888102e90000, ffff888102e90800) [ 122.338841][ T10] [ 122.341165][ T10] The buggy address belongs to the physical page: [ 122.347856][ T10] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102e90 [ 122.356886][ T10] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 122.365718][ T10] flags: 0x200000000000040(head|node=0|zone=2) [ 122.372061][ T10] page_type: f5(slab) [ 122.376051][ T10] raw: 0200000000000040 ffff888100042000 dead000000000100 dead000000000122 [ 122.384645][ T10] raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 122.393518][ T10] head: 0200000000000040 ffff888100042000 dead000000000100 dead000000000122 [ 122.402331][ T10] head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000 [ 122.411122][ T10] head: 0200000000000003 ffffea00040ba401 00000000ffffffff 00000000ffffffff [ 122.420233][ T10] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000008 [ 122.429850][ T10] page dumped because: kasan: bad access detected [ 122.436770][ T10] page_owner tracks the page as allocated [ 122.442665][ T10] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 2496524092, free_ts 0 [ 122.462999][ T10] post_alloc_hook+0x1c0/0x230 [ 122.468105][ T10] get_page_from_freelist+0xf98/0x2ce0 [ 122.473664][ T10] __alloc_frozen_pages_noprof+0x259/0x21e0 [ 122.479965][ T10] alloc_pages_mpol+0xe4/0x410 [ 122.485141][ T10] new_slab+0x247/0x330 [ 122.489307][ T10] ___slab_alloc+0xc55/0x1620 [ 122.494344][ T10] __slab_alloc.constprop.0+0x56/0xb0 [ 122.500168][ T10] __kvmalloc_node_noprof+0x1c1/0x5d0 [ 122.506084][ T10] bpf_int_jit_compile+0x7f2/0x1830 [ 122.511425][ T10] bpf_prog_select_runtime+0x3ae/0x720 [ 122.517282][ T10] bpf_prepare_filter+0xd3b/0x1100 [ 122.522425][ T10] bpf_prog_create+0x16f/0x240 [ 122.527468][ T10] ptp_classifier_init+0x86/0xd0 [ 122.532416][ T10] sock_init+0x18b/0x1c0 [ 122.536781][ T10] do_one_initcall+0x120/0x6e0 [ 122.541809][ T10] kernel_init_freeable+0x5c2/0x910 [ 122.547108][ T10] page_owner free stack trace missing [ 122.552501][ T10] [ 122.554996][ T10] Memory state around the buggy address: [ 122.560708][ T10] ffff888102e90680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 122.568762][ T10] ffff888102e90700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 122.576907][ T10] >ffff888102e90780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 122.584977][ T10] ^ [ 122.591157][ T10] ffff888102e90800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 122.599244][ T10] ffff888102e90880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 122.607298][ T10] ================================================================== [ 122.615779][ T10] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 122.622999][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(voluntary) [ 122.632744][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 122.642829][ T10] Workqueue: usb_hub_wq hub_event [ 122.648019][ T10] Call Trace: [ 122.651399][ T10] [ 122.654589][ T10] dump_stack_lvl+0x3d/0x1f0 [ 122.659366][ T10] vpanic+0x6e8/0x7a0 [ 122.663527][ T10] ? __pfx_vpanic+0x10/0x10 [ 122.668301][ T10] ? btusb_disconnect+0x4dc/0x580 [ 122.673408][ T10] panic+0xca/0xd0 [ 122.677127][ T10] ? __pfx_panic+0x10/0x10 [ 122.681544][ T10] ? check_panic_on_warn+0x1f/0xb0 [ 122.686703][ T10] check_panic_on_warn+0xab/0xb0 [ 122.691643][ T10] end_report+0x107/0x170 [ 122.696085][ T10] kasan_report+0xee/0x110 [ 122.700504][ T10] ? btusb_disconnect+0x4dc/0x580 [ 122.705622][ T10] btusb_disconnect+0x4dc/0x580 [ 122.710567][ T10] usb_unbind_interface+0x1da/0x9e0 [ 122.715867][ T10] ? kernfs_remove_by_name_ns+0xbe/0x110 [ 122.721517][ T10] ? __pfx_usb_unbind_interface+0x10/0x10 [ 122.727419][ T10] device_remove+0x122/0x170 [ 122.732280][ T10] device_release_driver_internal+0x44b/0x620 [ 122.738549][ T10] bus_remove_device+0x22f/0x420 [ 122.743578][ T10] device_del+0x396/0x9f0 [ 122.747932][ T10] ? __pfx_device_del+0x10/0x10 [ 122.752977][ T10] ? kobject_put+0x210/0x5a0 [ 122.757659][ T10] usb_disable_device+0x355/0x7d0 [ 122.762856][ T10] usb_disconnect+0x2e1/0x9c0 [ 122.767675][ T10] hub_event+0x1aa2/0x5060 [ 122.772115][ T10] ? __lock_acquire+0xb97/0x1ce0 [ 122.777167][ T10] ? __pfx_hub_event+0x10/0x10 [ 122.782027][ T10] ? interval_tree_remove+0x850/0xee0 [ 122.787509][ T10] ? rcu_is_watching+0x12/0xc0 [ 122.792468][ T10] process_one_work+0x9cf/0x1b70 [ 122.797508][ T10] ? __pfx_hub_event+0x10/0x10 [ 122.802367][ T10] ? __pfx_process_one_work+0x10/0x10 [ 122.808066][ T10] ? assign_work+0x1a0/0x250 [ 122.812858][ T10] worker_thread+0x6c8/0xf10 [ 122.817571][ T10] ? __kthread_parkme+0x19e/0x250 [ 122.822725][ T10] ? __pfx_worker_thread+0x10/0x10 [ 122.828027][ T10] kthread+0x3c5/0x780 [ 122.832182][ T10] ? __pfx_kthread+0x10/0x10 [ 122.836795][ T10] ? rcu_is_watching+0x12/0xc0 [ 122.841694][ T10] ? __pfx_kthread+0x10/0x10 [ 122.846558][ T10] ret_from_fork+0x56d/0x700 [ 122.851161][ T10] ? __pfx_kthread+0x10/0x10 [ 122.856001][ T10] ret_from_fork_asm+0x1a/0x30 [ 122.860859][ T10] [ 122.864130][ T10] Kernel Offset: disabled [ 122.868442][ T10] Rebooting in 86400 seconds..