Warning: Permanently added '10.128.1.18' (ED25519) to the list of known hosts. 2025/12/06 14:47:50 parsed 1 programs [ 22.969647][ T28] audit: type=1400 audit(1765032470.720:64): avc: denied { node_bind } for pid=283 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 22.990475][ T28] audit: type=1400 audit(1765032470.720:65): avc: denied { module_request } for pid=283 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 24.100401][ T28] audit: type=1400 audit(1765032471.850:66): avc: denied { mounton } for pid=292 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 24.101791][ T292] cgroup: Unknown subsys name 'net' [ 24.128334][ T28] audit: type=1400 audit(1765032471.850:67): avc: denied { mount } for pid=292 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.150606][ T28] audit: type=1400 audit(1765032471.890:68): avc: denied { unmount } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.150986][ T292] cgroup: Unknown subsys name 'devices' [ 24.297629][ T292] cgroup: Unknown subsys name 'hugetlb' [ 24.303336][ T292] cgroup: Unknown subsys name 'rlimit' [ 24.445199][ T28] audit: type=1400 audit(1765032472.190:69): avc: denied { setattr } for pid=292 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 24.468397][ T28] audit: type=1400 audit(1765032472.190:70): avc: denied { create } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.488951][ T28] audit: type=1400 audit(1765032472.190:71): avc: denied { write } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.490599][ T294] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 24.509445][ T28] audit: type=1400 audit(1765032472.190:72): avc: denied { read } for pid=292 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 24.538014][ T28] audit: type=1400 audit(1765032472.190:73): avc: denied { mounton } for pid=292 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 24.576464][ T292] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.180963][ T296] request_module fs-gadgetfs succeeded, but still no fs? [ 25.846305][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.853478][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.861004][ T331] device bridge_slave_0 entered promiscuous mode [ 25.868047][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.875073][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.882553][ T331] device bridge_slave_1 entered promiscuous mode [ 25.933812][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.940900][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.948245][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.955308][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.975656][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.982942][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.991599][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 25.999285][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.008475][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.016824][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.023848][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.032630][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.041047][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.048101][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.060472][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.069757][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.088043][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.099281][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.107613][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.115046][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.127418][ T331] device veth0_vlan entered promiscuous mode [ 26.137749][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.146950][ T331] device veth1_macvtap entered promiscuous mode [ 26.156818][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.166728][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 26.206167][ T331] syz-executor (331) used greatest stack depth: 21600 bytes left 2025/12/06 14:47:54 executed programs: 0 [ 26.538123][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.545183][ T364] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.552735][ T364] device bridge_slave_0 entered promiscuous mode [ 26.559705][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.566771][ T364] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.574146][ T364] device bridge_slave_1 entered promiscuous mode [ 26.630522][ T364] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.637605][ T364] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.644871][ T364] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.651924][ T364] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.675810][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.683573][ T306] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.691014][ T306] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.700593][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 26.708950][ T306] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.715998][ T306] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.724934][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 26.733609][ T306] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.740772][ T306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.755180][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 26.765583][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 26.778372][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 26.790626][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 26.798755][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 26.806316][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 26.814342][ T364] device veth0_vlan entered promiscuous mode [ 26.824963][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 26.834287][ T364] device veth1_macvtap entered promiscuous mode [ 26.844150][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 26.854912][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 26.863317][ T306] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.436298][ T8] device bridge_slave_1 left promiscuous mode [ 27.442458][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.450085][ T8] device bridge_slave_0 left promiscuous mode [ 27.456323][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.464257][ T8] device veth1_macvtap left promiscuous mode [ 27.470429][ T8] device veth0_vlan left promiscuous mode [ 28.925377][ T376] Bluetooth: hci0: Opcode 0x0c20 failed: -110 [ 28.940380][ T306] Bluetooth: hci0: Frame reassembly failed (-84) [ 30.995384][ T378] Bluetooth: hci0: command 0x1003 tx timeout [ 30.995462][ T45] Bluetooth: hci0: Opcode 0x1003 failed: -110 [ 31.007710][ T380] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [ 31.022284][ T8] Bluetooth: hci0: Frame reassembly failed (-84) 2025/12/06 14:48:00 executed programs: 5 [ 33.075391][ T45] Bluetooth: hci0: Opcode 0x1003 failed: -110 [ 33.075419][ T377] Bluetooth: hci0: command 0x1003 tx timeout [ 33.087675][ T382] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [ 33.101742][ T306] Bluetooth: hci0: Frame reassembly failed (-84) [ 35.155407][ T378] Bluetooth: hci0: command 0x1003 tx timeout [ 35.155424][ T45] Bluetooth: hci0: Opcode 0x1003 failed: -110 [ 35.167814][ T384] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [ 35.182975][ T8] Bluetooth: hci0: Frame reassembly failed (-84) [ 37.235405][ T377] Bluetooth: hci0: command 0x1003 tx timeout [ 37.235400][ T45] Bluetooth: hci0: Opcode 0x1003 failed: -110 [ 37.247663][ T386] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [ 37.260059][ T45] ================================================================== [ 37.268154][ T45] BUG: KASAN: use-after-free in enqueue_timer+0xae/0x480 [ 37.275207][ T45] Write of size 8 at addr ffff888116148a00 by task kworker/u5:0/45 [ 37.283082][ T45] [ 37.285399][ T45] CPU: 1 PID: 45 Comm: kworker/u5:0 Not tainted syzkaller #0 [ 37.292757][ T45] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 37.302800][ T45] Workqueue: hci0 hci_power_on [ 37.307608][ T45] Call Trace: [ 37.310877][ T45] [ 37.313803][ T45] __dump_stack+0x21/0x24 [ 37.318128][ T45] dump_stack_lvl+0xee/0x150 [ 37.322706][ T45] ? __cfi_dump_stack_lvl+0x8/0x8 [ 37.327723][ T45] ? select_task_rq_fair+0x56f/0x3490 [ 37.333106][ T45] ? __sched_clock_gtod_offset+0xd0/0xe0 [ 37.338731][ T45] ? enqueue_timer+0xae/0x480 [ 37.343403][ T45] print_address_description+0x71/0x200 [ 37.349065][ T45] print_report+0x4a/0x60 [ 37.353566][ T45] kasan_report+0x122/0x150 [ 37.358066][ T45] ? enqueue_timer+0xae/0x480 [ 37.362740][ T45] __asan_report_store8_noabort+0x17/0x20 [ 37.368459][ T45] enqueue_timer+0xae/0x480 [ 37.372961][ T45] __mod_timer+0x84a/0xbf0 [ 37.377375][ T45] schedule_timeout+0x127/0x2e0 [ 37.382217][ T45] ? __cfi_schedule_timeout+0x10/0x10 [ 37.387579][ T45] ? queue_work_on+0xf8/0x140 [ 37.392250][ T45] ? __cfi_process_timeout+0x10/0x10 [ 37.397535][ T45] ? prepare_to_wait_event+0x40b/0x440 [ 37.403000][ T45] __hci_cmd_sync_sk+0x396/0xcf0 [ 37.407933][ T45] ? __cfi___hci_cmd_sync_sk+0x10/0x10 [ 37.413387][ T45] ? __cfi_autoremove_wake_function+0x10/0x10 [ 37.419454][ T45] ? __kasan_check_read+0x11/0x20 [ 37.424477][ T45] ? kvm_sched_clock_read+0x18/0x40 [ 37.429672][ T45] hci_dev_open_sync+0x13a7/0x3260 [ 37.434782][ T45] ? __cfi_hci_dev_open_sync+0x10/0x10 [ 37.440230][ T45] ? __kasan_check_write+0x14/0x20 [ 37.445333][ T45] ? __switch_to+0x51f/0xe30 [ 37.449914][ T45] ? psi_group_change+0xb73/0x12b0 [ 37.455046][ T45] ? __kasan_check_write+0x14/0x20 [ 37.460160][ T45] ? mutex_lock+0x8d/0x1a0 [ 37.464569][ T45] ? __cfi_mutex_lock+0x10/0x10 [ 37.469435][ T45] ? kthread_data+0x50/0xc0 [ 37.473928][ T45] ? _raw_spin_unlock+0x4c/0x70 [ 37.478793][ T45] hci_power_on+0x195/0x5c0 [ 37.483287][ T45] ? __cfi_hci_power_on+0x10/0x10 [ 37.488308][ T45] ? __schedule+0xb8f/0x14e0 [ 37.493150][ T45] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 37.498689][ T45] process_one_work+0x71f/0xc40 [ 37.503530][ T45] worker_thread+0xa29/0x11f0 [ 37.508210][ T45] kthread+0x281/0x320 [ 37.512269][ T45] ? __cfi_worker_thread+0x10/0x10 [ 37.517371][ T45] ? __cfi_kthread+0x10/0x10 [ 37.521960][ T45] ret_from_fork+0x1f/0x30 [ 37.526372][ T45] [ 37.529380][ T45] [ 37.531693][ T45] Allocated by task 386: [ 37.535943][ T45] kasan_set_track+0x4b/0x70 [ 37.540531][ T45] kasan_save_alloc_info+0x25/0x30 [ 37.545638][ T45] __kasan_kmalloc+0x95/0xb0 [ 37.550218][ T45] __kmalloc+0xb1/0x1e0 [ 37.554371][ T45] hci_alloc_dev_priv+0x27/0x1bd0 [ 37.559392][ T45] hci_uart_tty_ioctl+0x3d6/0xa20 [ 37.564423][ T45] tty_ioctl+0x8ef/0xc60 [ 37.568688][ T45] __se_sys_ioctl+0x12f/0x1b0 [ 37.573372][ T45] __x64_sys_ioctl+0x7b/0x90 [ 37.577965][ T45] x64_sys_call+0x58b/0x9a0 [ 37.582487][ T45] do_syscall_64+0x4c/0xa0 [ 37.586903][ T45] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 37.592819][ T45] [ 37.595135][ T45] Freed by task 386: [ 37.599020][ T45] kasan_set_track+0x4b/0x70 [ 37.603608][ T45] kasan_save_free_info+0x31/0x50 [ 37.608633][ T45] ____kasan_slab_free+0x132/0x180 [ 37.613740][ T45] __kasan_slab_free+0x11/0x20 [ 37.618498][ T45] slab_free_freelist_hook+0xc2/0x190 [ 37.623867][ T45] __kmem_cache_free+0xb7/0x1b0 [ 37.628714][ T45] kfree+0x6f/0xf0 [ 37.632431][ T45] hci_release_dev+0x12a3/0x13b0 [ 37.637362][ T45] bt_host_release+0x82/0x90 [ 37.641953][ T45] device_release+0xa4/0x1d0 [ 37.646540][ T45] kobject_put+0x19d/0x280 [ 37.650953][ T45] put_device+0x1f/0x30 [ 37.655106][ T45] hci_dev_cmd+0x265/0x720 [ 37.659517][ T45] hci_sock_ioctl+0x41e/0x7f0 [ 37.664188][ T45] sock_do_ioctl+0x101/0x310 [ 37.668778][ T45] sock_ioctl+0x4d8/0x6e0 [ 37.673101][ T45] __se_sys_ioctl+0x12f/0x1b0 [ 37.677765][ T45] __x64_sys_ioctl+0x7b/0x90 [ 37.682343][ T45] x64_sys_call+0x58b/0x9a0 [ 37.686836][ T45] do_syscall_64+0x4c/0xa0 [ 37.691245][ T45] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 37.697137][ T45] [ 37.699448][ T45] Last potentially related work creation: [ 37.705250][ T45] kasan_save_stack+0x3a/0x60 [ 37.709920][ T45] __kasan_record_aux_stack+0xb6/0xc0 [ 37.715293][ T45] kasan_record_aux_stack_noalloc+0xb/0x10 [ 37.721095][ T45] insert_work+0x51/0x300 [ 37.725412][ T45] __queue_work+0x9b1/0xd30 [ 37.729910][ T45] queue_work_on+0xd2/0x140 [ 37.734409][ T45] __hci_cmd_sync_sk+0xa3e/0xcf0 [ 37.739341][ T45] hci_cmd_sync_status+0x53/0x120 [ 37.744356][ T45] hci_dev_cmd+0x628/0x720 [ 37.748762][ T45] hci_sock_ioctl+0x41e/0x7f0 [ 37.753433][ T45] sock_do_ioctl+0x101/0x310 [ 37.758017][ T45] sock_ioctl+0x4d8/0x6e0 [ 37.762354][ T45] __se_sys_ioctl+0x12f/0x1b0 [ 37.767021][ T45] __x64_sys_ioctl+0x7b/0x90 [ 37.771601][ T45] x64_sys_call+0x58b/0x9a0 [ 37.776093][ T45] do_syscall_64+0x4c/0xa0 [ 37.780502][ T45] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 37.786390][ T45] [ 37.788703][ T45] Second to last potentially related work creation: [ 37.795270][ T45] kasan_save_stack+0x3a/0x60 [ 37.799969][ T45] __kasan_record_aux_stack+0xb6/0xc0 [ 37.805338][ T45] kasan_record_aux_stack_noalloc+0xb/0x10 [ 37.811140][ T45] insert_work+0x51/0x300 [ 37.815458][ T45] __queue_work+0x9b1/0xd30 [ 37.820041][ T45] queue_work_on+0xd2/0x140 [ 37.824534][ T45] hci_cmd_timeout+0x191/0x200 [ 37.829292][ T45] process_one_work+0x71f/0xc40 [ 37.834131][ T45] worker_thread+0xa29/0x11f0 [ 37.838798][ T45] kthread+0x281/0x320 [ 37.842859][ T45] ret_from_fork+0x1f/0x30 [ 37.847266][ T45] [ 37.849577][ T45] The buggy address belongs to the object at ffff888116148000 [ 37.849577][ T45] which belongs to the cache kmalloc-8k of size 8192 [ 37.863615][ T45] The buggy address is located 2560 bytes inside of [ 37.863615][ T45] 8192-byte region [ffff888116148000, ffff88811614a000) [ 37.877138][ T45] [ 37.879451][ T45] The buggy address belongs to the physical page: [ 37.885865][ T45] page:ffffea0004585200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x116148 [ 37.896095][ T45] head:ffffea0004585200 order:3 compound_mapcount:0 compound_pincount:0 [ 37.904407][ T45] flags: 0x4000000000010200(slab|head|zone=1) [ 37.910483][ T45] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043500 [ 37.919075][ T45] raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000 [ 37.927642][ T45] page dumped because: kasan: bad access detected [ 37.934051][ T45] page_owner tracks the page as allocated [ 37.939751][ T45] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 386, tgid 385 (syz.2.21), ts 35180576010, free_ts 35179794932 [ 37.962054][ T45] post_alloc_hook+0x1f5/0x210 [ 37.966820][ T45] prep_new_page+0x1c/0x110 [ 37.971318][ T45] get_page_from_freelist+0x2c7b/0x2cf0 [ 37.976856][ T45] __alloc_pages+0x1c3/0x450 [ 37.981437][ T45] alloc_slab_page+0x6e/0xf0 [ 37.986043][ T45] new_slab+0x98/0x3d0 [ 37.990190][ T45] ___slab_alloc+0x6bd/0xb20 [ 37.994770][ T45] __slab_alloc+0x5e/0xa0 [ 37.999094][ T45] __kmem_cache_alloc_node+0x203/0x2c0 [ 38.004545][ T45] __kmalloc+0xa1/0x1e0 [ 38.008697][ T45] hci_alloc_dev_priv+0x27/0x1bd0 [ 38.013717][ T45] hci_uart_tty_ioctl+0x3d6/0xa20 [ 38.018735][ T45] tty_ioctl+0x8ef/0xc60 [ 38.022969][ T45] __se_sys_ioctl+0x12f/0x1b0 [ 38.027631][ T45] __x64_sys_ioctl+0x7b/0x90 [ 38.032209][ T45] x64_sys_call+0x58b/0x9a0 [ 38.036703][ T45] page last free stack trace: [ 38.041375][ T45] free_unref_page_prepare+0x742/0x750 [ 38.046834][ T45] free_unref_page+0x8f/0x530 [ 38.051550][ T45] __free_pages+0x67/0x100 [ 38.055970][ T45] __free_slab+0xca/0x1a0 [ 38.060296][ T45] __unfreeze_partials+0x160/0x190 [ 38.065408][ T45] put_cpu_partial+0xa9/0x100 [ 38.070085][ T45] __slab_free+0x1c4/0x280 [ 38.074494][ T45] ___cache_free+0xbf/0xd0 [ 38.078904][ T45] qlist_free_all+0xc6/0x140 [ 38.083489][ T45] kasan_quarantine_reduce+0x14a/0x170 [ 38.088974][ T45] __kasan_slab_alloc+0x24/0x80 [ 38.093906][ T45] slab_post_alloc_hook+0x4f/0x2d0 [ 38.099014][ T45] kmem_cache_alloc+0x16e/0x330 [ 38.103855][ T45] vm_area_dup+0x65/0x280 [ 38.108181][ T45] __split_vma+0x1d9/0x980 [ 38.112590][ T45] split_vma+0x7c/0xd0 [ 38.116657][ T45] [ 38.118970][ T45] Memory state around the buggy address: [ 38.124585][ T45] ffff888116148900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.132637][ T45] ffff888116148980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.140703][ T45] >ffff888116148a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.148747][ T45] ^ [ 38.152800][ T45] ffff888116148a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.160866][ T45] ffff888116148b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.168916][ T45] ================================================================== [ 38.176969][ T45] Disabling lock debugging due to kernel taint 2025/12/06 14:48:05 executed programs: 7 [ 38.185406][ T306] Bluetooth: hci0: Frame reassembly failed (-84) [ 38.190101][ T28] kauditd_printk_skb: 33 callbacks suppressed [ 38.190116][ T28] audit: type=1400 audit(1765032485.940:107): avc: denied { read } for pid=84 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 38.219832][ T28] audit: type=1400 audit(1765032485.940:108): avc: denied { search } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 38.241323][ T28] audit: type=1400 audit(1765032485.940:109): avc: denied { write } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 38.262713][ T28] audit: type=1400 audit(1765032485.940:110): avc: denied { add_name } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 38.283325][ T28] audit: type=1400 audit(1765032485.950:111): avc: denied { create } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 38.303775][ T28] audit: type=1400 audit(1765032485.950:112): avc: denied { append open } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 38.326637][ T28] audit: type=1400 audit(1765032485.950:113): avc: denied { getattr } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 39.315389][ T45] Bluetooth: hci0: Opcode 0x1003 failed: -110 [ 39.315404][ C1] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 39.333219][ C1] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 39.341615][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B syzkaller #0 [ 39.350276][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 39.360323][ C1] RIP: 0010:__queue_work+0x575/0xd30 [ 39.365609][ C1] Code: 39 2b 0f 84 b9 00 00 00 e8 78 e3 28 00 4c 89 ff e8 00 26 ad 03 49 bc 00 00 00 00 00 fc ff df 4c 8b 6d d0 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 dc 5c 6d 00 49 8b 7d 00 e8 e3 21 [ 39.385212][ C1] RSP: 0018:ffffc900001b0c70 EFLAGS: 00010046 [ 39.391268][ C1] RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff888100330000 [ 39.399249][ C1] RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff [ 39.407413][ C1] RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007 [ 39.415376][ C1] R10: ffffed1022c29139 R11: 1ffff11022c29139 R12: dffffc0000000000 [ 39.423339][ C1] R13: 0000000000000000 R14: ffff8881161489c8 R15: 0000000000000008 [ 39.431299][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 39.440217][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.446796][ C1] CR2: 0000001b33763fff CR3: 000000012108d000 CR4: 00000000003506a0 [ 39.454761][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.462741][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.470703][ C1] Call Trace: [ 39.473978][ C1] [ 39.476847][ C1] delayed_work_timer_fn+0x61/0x80 [ 39.481961][ C1] ? __cfi_delayed_work_timer_fn+0x10/0x10 [ 39.487781][ C1] call_timer_fn+0x46/0x2a0 [ 39.492288][ C1] ? __cfi_delayed_work_timer_fn+0x10/0x10 [ 39.498090][ C1] __run_timers+0x672/0x9b0 [ 39.502599][ C1] ? calc_index+0x200/0x200 [ 39.507106][ C1] ? kvm_sched_clock_read+0x18/0x40 [ 39.512307][ C1] run_timer_softirq+0x6a/0xf0 [ 39.517074][ C1] handle_softirqs+0x1d7/0x600 [ 39.521831][ C1] ? irqtime_account_irq+0xc4/0x240 [ 39.527032][ C1] __irq_exit_rcu+0x52/0xf0 [ 39.531541][ C1] irq_exit_rcu+0x9/0x10 [ 39.535781][ C1] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 39.541411][ C1] [ 39.544332][ C1] [ 39.547257][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 39.553237][ C1] RIP: 0010:default_idle+0xf/0x20 [ 39.558254][ C1] Code: e9 47 ff ff ff 00 00 cc cc 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 66 90 0f 00 2d 33 f0 51 00 fb f4 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 [ 39.577854][ C1] RSP: 0018:ffffc90000147dd8 EFLAGS: 00000257 [ 39.583919][ C1] RAX: ffff8881f7100000 RBX: ffff888100330000 RCX: 70eb1f203b9e3600 [ 39.591884][ C1] RDX: 0000000000000001 RSI: ffffffff85aa1640 RDI: ffffffff85aa1600 [ 39.599851][ C1] RBP: ffffc90000147dd8 R08: dffffc0000000000 R09: ffffed103ee26917 [ 39.607819][ C1] R10: 0000000000000000 R11: ffffffff84f44280 R12: 0000000000000000 [ 39.615783][ C1] R13: 0000000000000000 R14: ffff888100330000 R15: dffffc0000000000 [ 39.623754][ C1] ? __cfi_default_idle+0x10/0x10 [ 39.628782][ C1] arch_cpu_idle+0x1c/0x20 [ 39.633198][ C1] default_idle_call+0x71/0x1d0 [ 39.638042][ C1] do_idle+0x1a7/0x520 [ 39.642108][ C1] ? try_to_wake_up+0x613/0x1220 [ 39.647040][ C1] ? idle_inject_timer_fn+0x60/0x60 [ 39.652231][ C1] ? _raw_spin_unlock_irqrestore+0x5a/0x80 [ 39.658031][ C1] ? complete+0x167/0x1c0 [ 39.662362][ C1] cpu_startup_entry+0x43/0x60 [ 39.667130][ C1] start_secondary+0x119/0x120 [ 39.671898][ C1] secondary_startup_64_no_verify+0xce/0xdb [ 39.677787][ C1] [ 39.680798][ C1] Modules linked in: [ 39.684712][ C1] ---[ end trace 0000000000000000 ]--- [ 39.690157][ C1] RIP: 0010:__queue_work+0x575/0xd30 [ 39.695439][ C1] Code: 39 2b 0f 84 b9 00 00 00 e8 78 e3 28 00 4c 89 ff e8 00 26 ad 03 49 bc 00 00 00 00 00 fc ff df 4c 8b 6d d0 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 dc 5c 6d 00 49 8b 7d 00 e8 e3 21 [ 39.715038][ C1] RSP: 0018:ffffc900001b0c70 EFLAGS: 00010046 [ 39.721102][ C1] RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffff888100330000 [ 39.729069][ C1] RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff [ 39.737037][ C1] RBP: ffffc900001b0d08 R08: fffffffffffffffb R09: 0000000000000007 [ 39.745006][ C1] R10: ffffed1022c29139 R11: 1ffff11022c29139 R12: dffffc0000000000 [ 39.752981][ C1] R13: 0000000000000000 R14: ffff8881161489c8 R15: 0000000000000008 [ 39.760952][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 39.769880][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.776464][ C1] CR2: 0000001b33763fff CR3: 000000012108d000 CR4: 00000000003506a0 [ 39.784443][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.792412][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.800387][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 39.807847][ C1] Kernel Offset: disabled [ 39.812169][ C1] Rebooting in 86400 seconds..