Warning: Permanently added '10.128.1.28' (ED25519) to the list of known hosts. 2025/11/29 14:32:21 parsed 1 programs [ 92.213073][ T5830] cgroup: Unknown subsys name 'net' [ 92.328575][ T5830] cgroup: Unknown subsys name 'cpuset' [ 92.338463][ T5830] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 94.116521][ T5830] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 97.243798][ T9] cfg80211: failed to load regulatory.db [ 97.303607][ T5848] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 97.562105][ T4352] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.570367][ T4352] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.612006][ T4352] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.619923][ T4352] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 98.957387][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 98.966790][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 98.974959][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 98.987570][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 98.995992][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.512950][ T5904] chnl_net:caif_netlink_parms(): no params data found [ 100.603674][ T5904] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.611683][ T5904] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.618915][ T5904] bridge_slave_0: entered allmulticast mode [ 100.626626][ T5904] bridge_slave_0: entered promiscuous mode [ 100.636668][ T5904] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.644029][ T5904] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.651689][ T5904] bridge_slave_1: entered allmulticast mode [ 100.659028][ T5904] bridge_slave_1: entered promiscuous mode [ 100.695119][ T5904] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 100.709318][ T5904] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 100.748019][ T5904] team0: Port device team_slave_0 added [ 100.757208][ T5904] team0: Port device team_slave_1 added [ 100.791397][ T5904] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 100.798424][ T5904] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 100.824680][ T5904] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 100.837910][ T5904] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 100.845155][ T5904] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 100.871126][ T5904] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 100.919470][ T5904] hsr_slave_0: entered promiscuous mode [ 100.926313][ T5904] hsr_slave_1: entered promiscuous mode [ 101.119999][ T5904] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 101.134068][ T5904] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 101.146047][ T5904] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 101.160451][ T5904] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 101.200020][ T5904] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.208172][ T5904] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.216661][ T5904] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.223929][ T5904] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.290027][ T5904] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.309966][ T1340] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.318787][ T1340] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.338899][ T5904] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.353652][ T1305] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.361100][ T1305] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.379877][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.387149][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.591878][ T5904] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.640096][ T5904] veth0_vlan: entered promiscuous mode [ 101.655637][ T5904] veth1_vlan: entered promiscuous mode [ 101.688305][ T5904] veth0_macvtap: entered promiscuous mode [ 101.699091][ T5904] veth1_macvtap: entered promiscuous mode [ 101.720454][ T5904] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.737157][ T5904] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.754951][ T1340] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.765005][ T1340] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.777394][ T1340] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.786877][ T1340] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.968508][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.038827][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.108959][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 102.184866][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/11/29 14:32:35 executed programs: 0 [ 103.014638][ T5148] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 103.025042][ T5148] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 103.033383][ T5148] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 103.041975][ T5148] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 103.050121][ T5148] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 103.242939][ T5939] chnl_net:caif_netlink_parms(): no params data found [ 103.356477][ T5939] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.365094][ T5939] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.373042][ T5939] bridge_slave_0: entered allmulticast mode [ 103.380942][ T5939] bridge_slave_0: entered promiscuous mode [ 103.389866][ T5939] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.397168][ T5939] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.404689][ T5939] bridge_slave_1: entered allmulticast mode [ 103.412611][ T5939] bridge_slave_1: entered promiscuous mode [ 103.449529][ T5939] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 103.462021][ T5939] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 103.500401][ T5939] team0: Port device team_slave_0 added [ 103.508912][ T5939] team0: Port device team_slave_1 added [ 103.543036][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 103.550038][ T5939] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 103.576492][ T5939] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 103.590748][ T5939] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 103.597911][ T5939] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 103.623957][ T5939] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 103.679856][ T5939] hsr_slave_0: entered promiscuous mode [ 103.686611][ T5939] hsr_slave_1: entered promiscuous mode [ 103.693992][ T5939] debugfs: 'hsr0' already exists in 'hsr' [ 103.699866][ T5939] Cannot create hsr debugfs directory [ 104.468208][ T12] bridge_slave_1: left allmulticast mode [ 104.474208][ T12] bridge_slave_1: left promiscuous mode [ 104.480955][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.495750][ T12] bridge_slave_0: left allmulticast mode [ 104.501583][ T12] bridge_slave_0: left promiscuous mode [ 104.507416][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.828806][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 104.842540][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 104.853625][ T12] bond0 (unregistering): Released all slaves [ 104.973732][ T12] hsr_slave_0: left promiscuous mode [ 104.985742][ T12] hsr_slave_1: left promiscuous mode [ 105.003687][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 105.013147][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 105.022493][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 105.041317][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 105.074406][ T12] veth1_macvtap: left promiscuous mode [ 105.080251][ T12] veth0_macvtap: left promiscuous mode [ 105.086926][ T52] Bluetooth: hci0: command tx timeout [ 105.088529][ T12] veth1_vlan: left promiscuous mode [ 105.098774][ T12] veth0_vlan: left promiscuous mode [ 105.566973][ T12] team0 (unregistering): Port device team_slave_1 removed [ 105.598479][ T12] team0 (unregistering): Port device team_slave_0 removed [ 106.194448][ T5939] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.224676][ T5939] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.238551][ T5939] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.256458][ T5939] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.564102][ T5939] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.596873][ T5939] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.610956][ T4352] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.618248][ T4352] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.646607][ T1340] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.653818][ T1340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.858262][ T5939] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.909916][ T5939] veth0_vlan: entered promiscuous mode [ 106.922907][ T5939] veth1_vlan: entered promiscuous mode [ 106.954610][ T5939] veth0_macvtap: entered promiscuous mode [ 106.965827][ T5939] veth1_macvtap: entered promiscuous mode [ 106.989013][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 107.006136][ T5939] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 107.020892][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.030333][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.040921][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.052007][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 107.118360][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.127617][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 107.160544][ T1340] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.168990][ T52] Bluetooth: hci0: command tx timeout [ 107.177011][ T1340] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/11/29 14:32:40 executed programs: 28 [ 109.241516][ T52] Bluetooth: hci0: command tx timeout [ 109.247856][ T5148] ================================================================== [ 109.256153][ T5148] BUG: KASAN: slab-use-after-free in hci_conn_drop+0x34/0x2b0 [ 109.264008][ T5148] Write of size 4 at addr ffff888078cf8010 by task kworker/u9:1/5148 [ 109.272369][ T5148] [ 109.274739][ T5148] CPU: 0 UID: 0 PID: 5148 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 109.274767][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 109.274783][ T5148] Workqueue: hci0 hci_cmd_sync_work [ 109.274820][ T5148] Call Trace: [ 109.274830][ T5148] [ 109.274839][ T5148] dump_stack_lvl+0x189/0x250 [ 109.274867][ T5148] ? __virt_addr_valid+0x1c8/0x5c0 [ 109.274896][ T5148] ? rcu_is_watching+0x15/0xb0 [ 109.274923][ T5148] ? __pfx_dump_stack_lvl+0x10/0x10 [ 109.274948][ T5148] ? rcu_is_watching+0x15/0xb0 [ 109.274973][ T5148] ? lock_release+0x4b/0x3b0 [ 109.274994][ T5148] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 109.275018][ T5148] ? __virt_addr_valid+0x1c8/0x5c0 [ 109.275046][ T5148] ? __virt_addr_valid+0x4a5/0x5c0 [ 109.275076][ T5148] print_report+0xca/0x240 [ 109.275098][ T5148] ? hci_conn_drop+0x34/0x2b0 [ 109.275124][ T5148] kasan_report+0x118/0x150 [ 109.275148][ T5148] ? hci_conn_valid+0x21/0x230 [ 109.275177][ T5148] ? hci_conn_drop+0x34/0x2b0 [ 109.275207][ T5148] kasan_check_range+0x2b0/0x2c0 [ 109.275235][ T5148] hci_conn_drop+0x34/0x2b0 [ 109.275261][ T5148] ? __pfx_le_read_features_complete+0x10/0x10 [ 109.275286][ T5148] hci_cmd_sync_work+0x262/0x400 [ 109.275322][ T5148] ? process_one_work+0x868/0x15a0 [ 109.275343][ T5148] process_one_work+0x93a/0x15a0 [ 109.275375][ T5148] ? __pfx_process_one_work+0x10/0x10 [ 109.275400][ T5148] ? assign_work+0x3a1/0x410 [ 109.275422][ T5148] worker_thread+0x9b0/0xee0 [ 109.275457][ T5148] kthread+0x711/0x8a0 [ 109.275486][ T5148] ? __pfx_worker_thread+0x10/0x10 [ 109.275507][ T5148] ? __pfx_kthread+0x10/0x10 [ 109.275535][ T5148] ? _raw_spin_unlock_irq+0x23/0x50 [ 109.275555][ T5148] ? lockdep_hardirqs_on+0x98/0x140 [ 109.275578][ T5148] ? __pfx_kthread+0x10/0x10 [ 109.275605][ T5148] ret_from_fork+0x599/0xb30 [ 109.275627][ T5148] ? __pfx_ret_from_fork+0x10/0x10 [ 109.275651][ T5148] ? __switch_to_asm+0x39/0x70 [ 109.275679][ T5148] ? __switch_to_asm+0x33/0x70 [ 109.275706][ T5148] ? __pfx_kthread+0x10/0x10 [ 109.275733][ T5148] ret_from_fork_asm+0x1a/0x30 [ 109.275770][ T5148] [ 109.275777][ T5148] [ 109.483004][ T5148] Allocated by task 52: [ 109.487162][ T5148] kasan_save_track+0x3e/0x80 [ 109.491851][ T5148] __kasan_kmalloc+0x93/0xb0 [ 109.496468][ T5148] __kmalloc_cache_noprof+0x3e2/0x700 [ 109.501851][ T5148] __hci_conn_add+0x3c5/0x1b30 [ 109.506645][ T5148] le_conn_complete_evt+0x6f6/0x1420 [ 109.512059][ T5148] hci_le_enh_conn_complete_evt+0x189/0x4a0 [ 109.517989][ T5148] hci_event_packet+0x78f/0x1260 [ 109.523050][ T5148] hci_rx_work+0x3ee/0x1060 [ 109.527581][ T5148] process_one_work+0x93a/0x15a0 [ 109.532634][ T5148] worker_thread+0x9b0/0xee0 [ 109.537253][ T5148] kthread+0x711/0x8a0 [ 109.541375][ T5148] ret_from_fork+0x599/0xb30 [ 109.545982][ T5148] ret_from_fork_asm+0x1a/0x30 [ 109.550810][ T5148] [ 109.553239][ T5148] Freed by task 52: [ 109.557061][ T5148] kasan_save_track+0x3e/0x80 [ 109.561838][ T5148] kasan_save_free_info+0x46/0x50 [ 109.566998][ T5148] __kasan_slab_free+0x5c/0x80 [ 109.571795][ T5148] kfree+0x1c0/0x660 [ 109.575723][ T5148] device_release+0x9e/0x1d0 [ 109.580355][ T5148] kobject_put+0x228/0x570 [ 109.584873][ T5148] hci_conn_del+0xc36/0x1240 [ 109.589774][ T5148] hci_disconn_complete_evt+0x64e/0x950 [ 109.595591][ T5148] hci_event_packet+0x7e3/0x1260 [ 109.600534][ T5148] hci_rx_work+0x3ee/0x1060 [ 109.605042][ T5148] process_one_work+0x93a/0x15a0 [ 109.609995][ T5148] worker_thread+0x9b0/0xee0 [ 109.614596][ T5148] kthread+0x711/0x8a0 [ 109.618685][ T5148] ret_from_fork+0x599/0xb30 [ 109.623287][ T5148] ret_from_fork_asm+0x1a/0x30 [ 109.628070][ T5148] [ 109.630402][ T5148] The buggy address belongs to the object at ffff888078cf8000 [ 109.630402][ T5148] which belongs to the cache kmalloc-8k of size 8192 [ 109.644468][ T5148] The buggy address is located 16 bytes inside of [ 109.644468][ T5148] freed 8192-byte region [ffff888078cf8000, ffff888078cfa000) [ 109.658285][ T5148] [ 109.660620][ T5148] The buggy address belongs to the physical page: [ 109.667050][ T5148] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x78cf8 [ 109.675828][ T5148] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 109.684366][ T5148] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 109.692019][ T5148] page_type: f5(slab) [ 109.696009][ T5148] raw: 00fff00000000040 ffff88813fe27280 dead000000000122 0000000000000000 [ 109.704608][ T5148] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000 [ 109.713200][ T5148] head: 00fff00000000040 ffff88813fe27280 dead000000000122 0000000000000000 [ 109.721907][ T5148] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000 [ 109.730605][ T5148] head: 00fff00000000003 ffffea0001e33e01 00000000ffffffff 00000000ffffffff [ 109.739292][ T5148] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 109.748143][ T5148] page dumped because: kasan: bad access detected [ 109.754574][ T5148] page_owner tracks the page as allocated [ 109.760384][ T5148] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 52, tgid 52 (kworker/u9:0), ts 107227773947, free_ts 102420273609 [ 109.781674][ T5148] post_alloc_hook+0x234/0x290 [ 109.786450][ T5148] get_page_from_freelist+0x2365/0x2440 [ 109.792010][ T5148] __alloc_frozen_pages_noprof+0x181/0x370 [ 109.797852][ T5148] alloc_pages_mpol+0x232/0x4a0 [ 109.802715][ T5148] allocate_slab+0x86/0x3b0 [ 109.807233][ T5148] ___slab_alloc+0xf2b/0x1960 [ 109.811933][ T5148] __slab_alloc+0x65/0x100 [ 109.816365][ T5148] __kmalloc_cache_noprof+0x41e/0x700 [ 109.821749][ T5148] __hci_conn_add+0x3c5/0x1b30 [ 109.826529][ T5148] le_conn_complete_evt+0x6f6/0x1420 [ 109.831827][ T5148] hci_le_enh_conn_complete_evt+0x189/0x4a0 [ 109.837765][ T5148] hci_event_packet+0x78f/0x1260 [ 109.842713][ T5148] hci_rx_work+0x3ee/0x1060 [ 109.847231][ T5148] process_one_work+0x93a/0x15a0 [ 109.852207][ T5148] worker_thread+0x9b0/0xee0 [ 109.856853][ T5148] kthread+0x711/0x8a0 [ 109.860950][ T5148] page last free pid 10 tgid 10 stack trace: [ 109.866939][ T5148] __free_frozen_pages+0xbc8/0xd30 [ 109.872070][ T5148] kasan_depopulate_vmalloc_pte+0x6d/0x90 [ 109.877806][ T5148] __apply_to_page_range+0xb66/0x13d0 [ 109.883193][ T5148] __kasan_release_vmalloc+0xa2/0xd0 [ 109.888493][ T5148] purge_vmap_node+0x214/0x8d0 [ 109.893275][ T5148] __purge_vmap_area_lazy+0x77a/0xb00 [ 109.898664][ T5148] drain_vmap_area_work+0x27/0x40 [ 109.903715][ T5148] process_one_work+0x93a/0x15a0 [ 109.908664][ T5148] worker_thread+0x9b0/0xee0 [ 109.913272][ T5148] kthread+0x711/0x8a0 [ 109.917359][ T5148] ret_from_fork+0x599/0xb30 [ 109.921965][ T5148] ret_from_fork_asm+0x1a/0x30 [ 109.926763][ T5148] [ 109.929101][ T5148] Memory state around the buggy address: [ 109.934753][ T5148] ffff888078cf7f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 109.942994][ T5148] ffff888078cf7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 109.951064][ T5148] >ffff888078cf8000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 109.959166][ T5148] ^ [ 109.963773][ T5148] ffff888078cf8080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 109.971845][ T5148] ffff888078cf8100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 109.979930][ T5148] ================================================================== [ 109.996739][ T5148] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 110.004006][ T5148] CPU: 0 UID: 0 PID: 5148 Comm: kworker/u9:1 Not tainted syzkaller #0 PREEMPT(full) [ 110.013500][ T5148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 110.023585][ T5148] Workqueue: hci0 hci_cmd_sync_work [ 110.028844][ T5148] Call Trace: [ 110.032157][ T5148] [ 110.035117][ T5148] dump_stack_lvl+0x99/0x250 [ 110.039754][ T5148] ? __asan_memcpy+0x40/0x70 [ 110.044393][ T5148] ? __pfx_dump_stack_lvl+0x10/0x10 [ 110.049634][ T5148] ? __pfx__printk+0x10/0x10 [ 110.054280][ T5148] vpanic+0x237/0x6d0 [ 110.058302][ T5148] ? __pfx_vpanic+0x10/0x10 [ 110.062844][ T5148] ? preempt_schedule+0xae/0xc0 [ 110.067732][ T5148] ? __pfx_preempt_schedule+0x10/0x10 [ 110.073144][ T5148] panic+0xb9/0xc0 [ 110.076911][ T5148] ? __pfx_panic+0x10/0x10 [ 110.081373][ T5148] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 110.087396][ T5148] ? is_module_address+0x17/0xf0 [ 110.092368][ T5148] ? hci_conn_drop+0x34/0x2b0 [ 110.097098][ T5148] check_panic_on_warn+0x89/0xb0 [ 110.102082][ T5148] ? hci_conn_drop+0x34/0x2b0 [ 110.106862][ T5148] end_report+0x6f/0x140 [ 110.111228][ T5148] kasan_report+0x129/0x150 [ 110.115770][ T5148] ? hci_conn_valid+0x21/0x230 [ 110.120584][ T5148] ? hci_conn_drop+0x34/0x2b0 [ 110.125400][ T5148] kasan_check_range+0x2b0/0x2c0 [ 110.130397][ T5148] hci_conn_drop+0x34/0x2b0 [ 110.135159][ T5148] ? __pfx_le_read_features_complete+0x10/0x10 [ 110.141717][ T5148] hci_cmd_sync_work+0x262/0x400 [ 110.146921][ T5148] ? process_one_work+0x868/0x15a0 [ 110.153528][ T5148] process_one_work+0x93a/0x15a0 [ 110.158791][ T5148] ? __pfx_process_one_work+0x10/0x10 [ 110.164418][ T5148] ? assign_work+0x3a1/0x410 [ 110.169325][ T5148] worker_thread+0x9b0/0xee0 [ 110.175286][ T5148] kthread+0x711/0x8a0 [ 110.179950][ T5148] ? __pfx_worker_thread+0x10/0x10 [ 110.185393][ T5148] ? __pfx_kthread+0x10/0x10 [ 110.190046][ T5148] ? _raw_spin_unlock_irq+0x23/0x50 [ 110.195463][ T5148] ? lockdep_hardirqs_on+0x98/0x140 [ 110.200705][ T5148] ? __pfx_kthread+0x10/0x10 [ 110.205442][ T5148] ret_from_fork+0x599/0xb30 [ 110.210105][ T5148] ? __pfx_ret_from_fork+0x10/0x10 [ 110.215268][ T5148] ? __switch_to_asm+0x39/0x70 [ 110.220080][ T5148] ? __switch_to_asm+0x33/0x70 [ 110.224895][ T5148] ? __pfx_kthread+0x10/0x10 [ 110.229538][ T5148] ret_from_fork_asm+0x1a/0x30 [ 110.234356][ T5148] [ 110.237705][ T5148] Kernel Offset: disabled [ 110.242166][ T5148] Rebooting in 86400 seconds..