Warning: Permanently added '10.128.0.229' (ED25519) to the list of known hosts. 2025/08/25 22:19:13 parsed 1 programs [ 115.870301][ T6348] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 119.806644][ T6385] chnl_net:caif_netlink_parms(): no params data found [ 119.899863][ T6385] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.907024][ T6385] bridge0: port 1(bridge_slave_0) entered disabled state [ 119.914312][ T6385] bridge_slave_0: entered allmulticast mode [ 119.922235][ T6385] bridge_slave_0: entered promiscuous mode [ 119.934335][ T6385] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.941576][ T6385] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.949387][ T6385] bridge_slave_1: entered allmulticast mode [ 119.956346][ T6385] bridge_slave_1: entered promiscuous mode [ 119.988291][ T6385] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 120.002154][ T6385] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 120.038222][ T6385] team0: Port device team_slave_0 added [ 120.047307][ T6385] team0: Port device team_slave_1 added [ 120.081286][ T6385] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 120.088297][ T6385] 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 1560 would solve the problem. [ 120.115438][ T6385] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 120.128338][ T6385] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 120.135568][ T6385] 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 1560 would solve the problem. [ 120.162597][ T6385] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 120.203009][ T6385] hsr_slave_0: entered promiscuous mode [ 120.209542][ T6385] hsr_slave_1: entered promiscuous mode [ 120.927988][ T6385] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 120.941993][ T6385] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 120.953118][ T6385] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 120.964841][ T6385] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 121.076762][ T6385] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.103587][ T6385] 8021q: adding VLAN 0 to HW filter on device team0 [ 121.122623][ T73] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.129884][ T73] bridge0: port 1(bridge_slave_0) entered forwarding state [ 121.161458][ T73] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.169197][ T73] bridge0: port 2(bridge_slave_1) entered forwarding state [ 121.435851][ T6385] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 121.495746][ T6385] veth0_vlan: entered promiscuous mode [ 121.514661][ T6385] veth1_vlan: entered promiscuous mode [ 121.555719][ T6385] veth0_macvtap: entered promiscuous mode [ 121.568423][ T6385] veth1_macvtap: entered promiscuous mode [ 121.595342][ T6385] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 121.613248][ T6385] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 121.634591][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.653358][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.675406][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.698646][ T36] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.835731][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 121.849451][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 121.862002][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 121.874306][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 121.875424][ T73] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 121.894897][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 121.963233][ T73] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.030181][ T73] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.101156][ T73] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 122.364122][ T36] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.376753][ T36] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 122.410901][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 122.419704][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 124.365828][ T73] bridge_slave_1: left allmulticast mode [ 124.373834][ T73] bridge_slave_1: left promiscuous mode [ 124.381281][ T73] bridge0: port 2(bridge_slave_1) entered disabled state [ 124.393425][ T73] bridge_slave_0: left allmulticast mode [ 124.402456][ T73] bridge_slave_0: left promiscuous mode [ 124.408355][ T73] bridge0: port 1(bridge_slave_0) entered disabled state [ 124.752618][ T73] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 124.769423][ T73] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 124.780912][ T73] bond0 (unregistering): Released all slaves [ 124.925552][ T73] hsr_slave_0: left promiscuous mode [ 124.940578][ T73] hsr_slave_1: left promiscuous mode [ 124.946676][ T73] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 124.963949][ T73] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 124.972854][ T73] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 124.981557][ T73] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 125.003302][ T73] veth1_macvtap: left promiscuous mode [ 125.009102][ T73] veth0_macvtap: left promiscuous mode [ 125.014951][ T73] veth1_vlan: left promiscuous mode [ 125.022000][ T73] veth0_vlan: left promiscuous mode [ 125.487301][ T73] team0 (unregistering): Port device team_slave_1 removed [ 125.536387][ T73] team0 (unregistering): Port device team_slave_0 removed 2025/08/25 22:19:28 executed programs: 0 [ 127.098633][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 127.113220][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 127.132431][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 127.150204][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 127.163994][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 127.567298][ T6597] chnl_net:caif_netlink_parms(): no params data found [ 127.772593][ T6597] bridge0: port 1(bridge_slave_0) entered blocking state [ 127.780615][ T6597] bridge0: port 1(bridge_slave_0) entered disabled state [ 127.787831][ T6597] bridge_slave_0: entered allmulticast mode [ 127.796509][ T6597] bridge_slave_0: entered promiscuous mode [ 127.806074][ T6597] bridge0: port 2(bridge_slave_1) entered blocking state [ 127.814526][ T6597] bridge0: port 2(bridge_slave_1) entered disabled state [ 127.824051][ T6597] bridge_slave_1: entered allmulticast mode [ 127.832815][ T6597] bridge_slave_1: entered promiscuous mode [ 127.891518][ T6597] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 127.905085][ T6597] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 127.952273][ T6597] team0: Port device team_slave_0 added [ 127.962089][ T6597] team0: Port device team_slave_1 added [ 128.021636][ T6597] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 128.029436][ T6597] 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 1560 would solve the problem. [ 128.056660][ T6597] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 128.069783][ T6597] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 128.076744][ T6597] 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 1560 would solve the problem. [ 128.103636][ T6597] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 128.170875][ T6597] hsr_slave_0: entered promiscuous mode [ 128.177608][ T6597] hsr_slave_1: entered promiscuous mode [ 128.637213][ T6597] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 128.654599][ T6597] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 128.665726][ T6597] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 128.678177][ T6597] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 128.795752][ T6597] 8021q: adding VLAN 0 to HW filter on device bond0 [ 128.820067][ T6597] 8021q: adding VLAN 0 to HW filter on device team0 [ 128.835035][ T73] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.842431][ T73] bridge0: port 1(bridge_slave_0) entered forwarding state [ 128.871068][ T73] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.878250][ T73] bridge0: port 2(bridge_slave_1) entered forwarding state [ 128.911360][ T6597] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 128.922095][ T6597] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 129.149730][ T6597] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 129.208215][ T6597] veth0_vlan: entered promiscuous mode [ 129.227787][ T6597] veth1_vlan: entered promiscuous mode [ 129.262716][ T51] Bluetooth: hci0: command tx timeout [ 129.270199][ T6597] veth0_macvtap: entered promiscuous mode [ 129.283315][ T6597] veth1_macvtap: entered promiscuous mode [ 129.306697][ T6597] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 129.321338][ T6597] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 129.353062][ T2913] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 129.362210][ T2913] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 129.374548][ T2913] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 129.385137][ T2913] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 129.456782][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 129.470517][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 129.512903][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 129.521185][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 131.339053][ T51] Bluetooth: hci0: command tx timeout 2025/08/25 22:19:33 executed programs: 5 [ 132.942114][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.948919][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 [ 133.428857][ T51] Bluetooth: hci0: command tx timeout [ 135.498846][ T51] Bluetooth: hci0: command tx timeout 2025/08/25 22:19:38 executed programs: 11 2025/08/25 22:19:43 executed programs: 17 2025/08/25 22:19:48 executed programs: 23 2025/08/25 22:19:53 executed programs: 29 2025/08/25 22:19:58 executed programs: 35 2025/08/25 22:20:03 executed programs: 41 2025/08/25 22:20:09 executed programs: 47 2025/08/25 22:20:14 executed programs: 53 2025/08/25 22:20:19 executed programs: 59 2025/08/25 22:20:24 executed programs: 65 2025/08/25 22:20:29 executed programs: 71 2025/08/25 22:20:34 executed programs: 77 [ 194.381814][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.388143][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 2025/08/25 22:20:39 executed programs: 83 2025/08/25 22:20:44 executed programs: 89 2025/08/25 22:20:49 executed programs: 95 2025/08/25 22:20:54 executed programs: 101 2025/08/25 22:20:59 executed programs: 107 2025/08/25 22:21:05 executed programs: 113 2025/08/25 22:21:10 executed programs: 119 2025/08/25 22:21:15 executed programs: 125 2025/08/25 22:21:20 executed programs: 131 2025/08/25 22:21:25 executed programs: 137 2025/08/25 22:21:30 executed programs: 143 [ 252.778829][ T5182] Bluetooth: hci0: command 0x0406 tx timeout 2025/08/25 22:21:35 executed programs: 149 [ 255.831567][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.837986][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 2025/08/25 22:21:40 executed programs: 155 2025/08/25 22:21:45 executed programs: 161 2025/08/25 22:21:50 executed programs: 167 2025/08/25 22:21:55 executed programs: 173 2025/08/25 22:22:00 executed programs: 179 2025/08/25 22:22:06 executed programs: 185 2025/08/25 22:22:11 executed programs: 191 2025/08/25 22:22:16 executed programs: 197 2025/08/25 22:22:21 executed programs: 203 2025/08/25 22:22:26 executed programs: 209 2025/08/25 22:22:31 executed programs: 215 2025/08/25 22:22:36 executed programs: 221 [ 317.261191][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 317.267584][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 2025/08/25 22:22:41 executed programs: 227 [ 320.400139][ T12] ================================================================== [ 320.408248][ T12] BUG: KASAN: slab-use-after-free in _raw_spin_lock_bh+0x36/0x50 [ 320.415970][ T12] Read of size 1 at addr ffff88806f692758 by task kworker/u8:0/12 [ 320.423758][ T12] [ 320.426098][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(full) [ 320.426111][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 320.426119][ T12] Workqueue: kkcmd kcm_tx_work [ 320.426143][ T12] Call Trace: [ 320.426149][ T12] [ 320.426155][ T12] dump_stack_lvl+0x189/0x250 [ 320.426168][ T12] ? __virt_addr_valid+0x1c8/0x5c0 [ 320.426179][ T12] ? rcu_is_watching+0x15/0xb0 [ 320.426188][ T12] ? __kasan_check_byte+0x12/0x40 [ 320.426201][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 320.426211][ T12] ? rcu_is_watching+0x15/0xb0 [ 320.426220][ T12] ? lock_release+0x4b/0x3e0 [ 320.426234][ T12] ? __virt_addr_valid+0x1c8/0x5c0 [ 320.426244][ T12] ? __virt_addr_valid+0x4a5/0x5c0 [ 320.426255][ T12] print_report+0xca/0x240 [ 320.426264][ T12] ? _raw_spin_lock_bh+0x36/0x50 [ 320.426275][ T12] kasan_report+0x118/0x150 [ 320.426288][ T12] ? _raw_spin_lock_bh+0x36/0x50 [ 320.426299][ T12] ? __lock_sock+0x156/0x2b0 [ 320.426309][ T12] __kasan_check_byte+0x2a/0x40 [ 320.426321][ T12] lock_acquire+0x8d/0x360 [ 320.426334][ T12] ? schedule+0x91/0x360 [ 320.426344][ T12] ? kthread_data+0x4f/0xc0 [ 320.426353][ T12] ? __lock_sock+0x156/0x2b0 [ 320.426362][ T12] _raw_spin_lock_bh+0x36/0x50 [ 320.426373][ T12] ? __lock_sock+0x156/0x2b0 [ 320.426382][ T12] __lock_sock+0x156/0x2b0 [ 320.426392][ T12] ? __pfx___lock_sock+0x10/0x10 [ 320.426400][ T12] ? do_raw_spin_lock+0x121/0x290 [ 320.426410][ T12] ? __pfx_autoremove_wake_function+0x10/0x10 [ 320.426422][ T12] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 320.426433][ T12] ? lock_sock_nested+0x6a/0x100 [ 320.426445][ T12] lock_sock_nested+0x9f/0x100 [ 320.426456][ T12] kcm_tx_work+0x31/0x180 [ 320.426466][ T12] ? process_scheduled_works+0x9ef/0x17b0 [ 320.426475][ T12] process_scheduled_works+0xae1/0x17b0 [ 320.426490][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 320.426502][ T12] worker_thread+0x8a0/0xda0 [ 320.426516][ T12] kthread+0x711/0x8a0 [ 320.426527][ T12] ? __pfx_worker_thread+0x10/0x10 [ 320.426536][ T12] ? __pfx_kthread+0x10/0x10 [ 320.426547][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 320.426557][ T12] ? lockdep_hardirqs_on+0x9c/0x150 [ 320.426568][ T12] ? __pfx_kthread+0x10/0x10 [ 320.426578][ T12] ret_from_fork+0x3f9/0x770 [ 320.426588][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 320.426598][ T12] ? __switch_to_asm+0x39/0x70 [ 320.426609][ T12] ? __switch_to_asm+0x33/0x70 [ 320.426620][ T12] ? __pfx_kthread+0x10/0x10 [ 320.426630][ T12] ret_from_fork_asm+0x1a/0x30 [ 320.426644][ T12] [ 320.426648][ T12] [ 320.680772][ T12] Allocated by task 7723: [ 320.685172][ T12] kasan_save_track+0x3e/0x80 [ 320.690271][ T12] __kasan_slab_alloc+0x6c/0x80 [ 320.695106][ T12] kmem_cache_alloc_noprof+0x1c1/0x3c0 [ 320.700558][ T12] sk_prot_alloc+0x57/0x220 [ 320.705045][ T12] sk_alloc+0x3a/0x370 [ 320.709112][ T12] kcm_ioctl+0x214/0xff0 [ 320.713347][ T12] sock_do_ioctl+0xd9/0x300 [ 320.717939][ T12] sock_ioctl+0x576/0x790 [ 320.722248][ T12] __se_sys_ioctl+0xf9/0x170 [ 320.726831][ T12] do_syscall_64+0xfa/0x3b0 [ 320.731326][ T12] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 320.737325][ T12] [ 320.739635][ T12] Freed by task 7724: [ 320.743596][ T12] kasan_save_track+0x3e/0x80 [ 320.748277][ T12] kasan_save_free_info+0x46/0x50 [ 320.753370][ T12] __kasan_slab_free+0x5b/0x80 [ 320.758129][ T12] kmem_cache_free+0x18f/0x400 [ 320.762917][ T12] __sk_destruct+0x4d2/0x660 [ 320.767500][ T12] kcm_release+0x528/0x5c0 [ 320.771900][ T12] sock_close+0xc0/0x240 [ 320.776134][ T12] __fput+0x44c/0xa70 [ 320.780095][ T12] fput_close_sync+0x119/0x200 [ 320.784854][ T12] __x64_sys_close+0x7f/0x110 [ 320.789537][ T12] do_syscall_64+0xfa/0x3b0 [ 320.794056][ T12] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 320.800035][ T12] [ 320.802354][ T12] Last potentially related work creation: [ 320.808168][ T12] kasan_save_stack+0x3e/0x60 [ 320.812867][ T12] kasan_record_aux_stack+0xbd/0xd0 [ 320.818051][ T12] insert_work+0x3d/0x330 [ 320.822457][ T12] __queue_work+0xcd2/0xfb0 [ 320.826945][ T12] queue_work_on+0x181/0x270 [ 320.831524][ T12] kcm_unattach+0x863/0xe90 [ 320.836236][ T12] kcm_ioctl+0x794/0xff0 [ 320.840463][ T12] sock_do_ioctl+0xd9/0x300 [ 320.844953][ T12] sock_ioctl+0x576/0x790 [ 320.849268][ T12] __se_sys_ioctl+0xf9/0x170 [ 320.854027][ T12] do_syscall_64+0xfa/0x3b0 [ 320.858588][ T12] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 320.864763][ T12] [ 320.867090][ T12] Second to last potentially related work creation: [ 320.873758][ T12] kasan_save_stack+0x3e/0x60 [ 320.878520][ T12] kasan_record_aux_stack+0xbd/0xd0 [ 320.883704][ T12] insert_work+0x3d/0x330 [ 320.888051][ T12] __queue_work+0xcd2/0xfb0 [ 320.892640][ T12] queue_work_on+0x181/0x270 [ 320.897300][ T12] kcm_ioctl+0xe52/0xff0 [ 320.901526][ T12] sock_do_ioctl+0xd9/0x300 [ 320.906103][ T12] sock_ioctl+0x576/0x790 [ 320.910528][ T12] __se_sys_ioctl+0xf9/0x170 [ 320.915109][ T12] do_syscall_64+0xfa/0x3b0 [ 320.919598][ T12] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 320.925474][ T12] [ 320.927785][ T12] The buggy address belongs to the object at ffff88806f692580 [ 320.927785][ T12] which belongs to the cache KCM of size 1792 [ 320.941227][ T12] The buggy address is located 472 bytes inside of [ 320.941227][ T12] freed 1792-byte region [ffff88806f692580, ffff88806f692c80) [ 320.955198][ T12] [ 320.957510][ T12] The buggy address belongs to the physical page: [ 320.963988][ T12] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6f690 [ 320.972774][ T12] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 320.981313][ T12] memcg:ffff888024cb3e01 [ 320.985580][ T12] ksm flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 320.993491][ T12] page_type: f5(slab) [ 320.997467][ T12] raw: 00fff00000000040 ffff88814c835640 ffffea0001edf000 dead000000000003 [ 321.006381][ T12] raw: 0000000000000000 0000000080110011 00000000f5000000 ffff888024cb3e01 [ 321.014950][ T12] head: 00fff00000000040 ffff88814c835640 ffffea0001edf000 dead000000000003 [ 321.023628][ T12] head: 0000000000000000 0000000080110011 00000000f5000000 ffff888024cb3e01 [ 321.032473][ T12] head: 00fff00000000003 ffffea0001bda401 00000000ffffffff 00000000ffffffff [ 321.041131][ T12] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 321.049784][ T12] page dumped because: kasan: bad access detected [ 321.056289][ T12] page_owner tracks the page as allocated [ 321.061998][ T12] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 6679, tgid 6678 (syz.0.16), ts 129590292278, free_ts 129043245985 [ 321.083201][ T12] post_alloc_hook+0x240/0x2a0 [ 321.087960][ T12] get_page_from_freelist+0x21e4/0x22c0 [ 321.093485][ T12] __alloc_frozen_pages_noprof+0x181/0x370 [ 321.099275][ T12] alloc_pages_mpol+0x232/0x4a0 [ 321.104109][ T12] allocate_slab+0x8a/0x370 [ 321.108611][ T12] ___slab_alloc+0xbeb/0x1410 [ 321.113303][ T12] kmem_cache_alloc_noprof+0x283/0x3c0 [ 321.118747][ T12] sk_prot_alloc+0x57/0x220 [ 321.123229][ T12] sk_alloc+0x3a/0x370 [ 321.127277][ T12] kcm_create+0x100/0x580 [ 321.131587][ T12] __sock_create+0x4b3/0x9f0 [ 321.136246][ T12] __sys_socket+0xd7/0x1b0 [ 321.140642][ T12] __x64_sys_socket+0x7a/0x90 [ 321.145304][ T12] do_syscall_64+0xfa/0x3b0 [ 321.149791][ T12] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 321.155668][ T12] page last free pid 6597 tgid 6597 stack trace: [ 321.162072][ T12] __free_frozen_pages+0xbc4/0xd30 [ 321.167187][ T12] __put_partials+0x156/0x1a0 [ 321.171843][ T12] put_cpu_partial+0x17c/0x250 [ 321.176589][ T12] __slab_free+0x2d5/0x3c0 [ 321.180986][ T12] qlist_free_all+0x97/0x140 [ 321.185556][ T12] kasan_quarantine_reduce+0x148/0x160 [ 321.191433][ T12] __kasan_slab_alloc+0x22/0x80 [ 321.196528][ T12] kmem_cache_alloc_node_noprof+0x1bb/0x3c0 [ 321.202520][ T12] __alloc_skb+0x112/0x2d0 [ 321.207011][ T12] netlink_sendmsg+0x5c6/0xb30 [ 321.212028][ T12] __sock_sendmsg+0x21c/0x270 [ 321.216896][ T12] __sys_sendto+0x3bd/0x520 [ 321.221412][ T12] __x64_sys_sendto+0xde/0x100 [ 321.226186][ T12] do_syscall_64+0xfa/0x3b0 [ 321.230696][ T12] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 321.236574][ T12] [ 321.238882][ T12] Memory state around the buggy address: [ 321.244514][ T12] ffff88806f692600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 321.252586][ T12] ffff88806f692680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 321.260752][ T12] >ffff88806f692700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 321.268848][ T12] ^ [ 321.275852][ T12] ffff88806f692780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 321.283898][ T12] ffff88806f692800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 321.291945][ T12] ================================================================== [ 321.300139][ T12] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 321.307335][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(full) [ 321.316628][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 321.327110][ T12] Workqueue: kkcmd kcm_tx_work [ 321.331880][ T12] Call Trace: [ 321.335172][ T12] [ 321.338176][ T12] dump_stack_lvl+0x99/0x250 [ 321.342753][ T12] ? __asan_memcpy+0x40/0x70 [ 321.347328][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 321.352513][ T12] ? __pfx__printk+0x10/0x10 [ 321.357097][ T12] vpanic+0x281/0x750 [ 321.361063][ T12] ? __pfx_print_hex_dump+0x10/0x10 [ 321.366249][ T12] ? __pfx_vpanic+0x10/0x10 [ 321.370748][ T12] ? irqentry_exit+0x74/0x90 [ 321.375321][ T12] ? lockdep_hardirqs_on+0x9c/0x150 [ 321.380508][ T12] panic+0xb9/0xc0 [ 321.384214][ T12] ? __pfx_panic+0x10/0x10 [ 321.388612][ T12] ? _raw_spin_unlock_irqrestore+0xa8/0x110 [ 321.394681][ T12] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 321.401084][ T12] ? _raw_spin_lock_bh+0x36/0x50 [ 321.406031][ T12] check_panic_on_warn+0x89/0xb0 [ 321.410990][ T12] ? _raw_spin_lock_bh+0x36/0x50 [ 321.415928][ T12] end_report+0x78/0x160 [ 321.420162][ T12] kasan_report+0x129/0x150 [ 321.424744][ T12] ? _raw_spin_lock_bh+0x36/0x50 [ 321.429846][ T12] ? __lock_sock+0x156/0x2b0 [ 321.434506][ T12] __kasan_check_byte+0x2a/0x40 [ 321.439342][ T12] lock_acquire+0x8d/0x360 [ 321.443844][ T12] ? schedule+0x91/0x360 [ 321.448071][ T12] ? kthread_data+0x4f/0xc0 [ 321.452558][ T12] ? __lock_sock+0x156/0x2b0 [ 321.457135][ T12] _raw_spin_lock_bh+0x36/0x50 [ 321.461892][ T12] ? __lock_sock+0x156/0x2b0 [ 321.466461][ T12] __lock_sock+0x156/0x2b0 [ 321.470863][ T12] ? __pfx___lock_sock+0x10/0x10 [ 321.475791][ T12] ? do_raw_spin_lock+0x121/0x290 [ 321.480802][ T12] ? __pfx_autoremove_wake_function+0x10/0x10 [ 321.486887][ T12] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 321.492539][ T12] ? lock_sock_nested+0x6a/0x100 [ 321.498361][ T12] lock_sock_nested+0x9f/0x100 [ 321.503252][ T12] kcm_tx_work+0x31/0x180 [ 321.507673][ T12] ? process_scheduled_works+0x9ef/0x17b0 [ 321.513406][ T12] process_scheduled_works+0xae1/0x17b0 [ 321.519052][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 321.525023][ T12] worker_thread+0x8a0/0xda0 [ 321.529617][ T12] kthread+0x711/0x8a0 [ 321.533686][ T12] ? __pfx_worker_thread+0x10/0x10 [ 321.538870][ T12] ? __pfx_kthread+0x10/0x10 [ 321.543476][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 321.548732][ T12] ? lockdep_hardirqs_on+0x9c/0x150 [ 321.554103][ T12] ? __pfx_kthread+0x10/0x10 [ 321.558682][ T12] ret_from_fork+0x3f9/0x770 [ 321.563441][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 321.568627][ T12] ? __switch_to_asm+0x39/0x70 [ 321.573391][ T12] ? __switch_to_asm+0x33/0x70 [ 321.578161][ T12] ? __pfx_kthread+0x10/0x10 [ 321.582741][ T12] ret_from_fork_asm+0x1a/0x30 [ 321.587512][ T12] [ 321.590869][ T12] Kernel Offset: disabled [ 321.595201][ T12] Rebooting in 86400 seconds..