Warning: Permanently added '10.128.1.50' (ED25519) to the list of known hosts. 2025/08/07 15:55:10 ignoring optional flag "sandboxArg"="0" 2025/08/07 15:55:11 parsed 1 programs [ 124.155800][ T6350] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 128.382136][ T6394] chnl_net:caif_netlink_parms(): no params data found [ 128.466939][ T6394] bridge0: port 1(bridge_slave_0) entered blocking state [ 128.474370][ T6394] bridge0: port 1(bridge_slave_0) entered disabled state [ 128.481528][ T6394] bridge_slave_0: entered allmulticast mode [ 128.488722][ T6394] bridge_slave_0: entered promiscuous mode [ 128.498059][ T6394] bridge0: port 2(bridge_slave_1) entered blocking state [ 128.505298][ T6394] bridge0: port 2(bridge_slave_1) entered disabled state [ 128.512428][ T6394] bridge_slave_1: entered allmulticast mode [ 128.519953][ T6394] bridge_slave_1: entered promiscuous mode [ 128.551822][ T6394] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 128.565246][ T6394] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 128.600161][ T6394] team0: Port device team_slave_0 added [ 128.607843][ T6394] team0: Port device team_slave_1 added [ 128.631978][ T6394] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 128.639588][ T6394] 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. [ 128.667087][ T6394] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 128.679924][ T6394] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 128.687110][ T6394] 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. [ 128.713126][ T6394] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 128.751916][ T6394] hsr_slave_0: entered promiscuous mode [ 128.758458][ T6394] hsr_slave_1: entered promiscuous mode [ 129.395116][ T6394] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 129.410414][ T6394] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 129.422960][ T6394] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 129.439329][ T6394] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 129.549040][ T6394] 8021q: adding VLAN 0 to HW filter on device bond0 [ 129.576864][ T6394] 8021q: adding VLAN 0 to HW filter on device team0 [ 129.592665][ T4090] bridge0: port 1(bridge_slave_0) entered blocking state [ 129.600402][ T4090] bridge0: port 1(bridge_slave_0) entered forwarding state [ 129.626197][ T4090] bridge0: port 2(bridge_slave_1) entered blocking state [ 129.633925][ T4090] bridge0: port 2(bridge_slave_1) entered forwarding state [ 129.909594][ T6394] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 129.969219][ T6394] veth0_vlan: entered promiscuous mode [ 129.983406][ T6394] veth1_vlan: entered promiscuous mode [ 130.028879][ T6394] veth0_macvtap: entered promiscuous mode [ 130.040469][ T6394] veth1_macvtap: entered promiscuous mode [ 130.068053][ T6394] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 130.088293][ T6394] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 130.108991][ T4090] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 130.135664][ T4090] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 130.158004][ T4090] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 130.178411][ T4090] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 130.348061][ T36] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 130.463100][ T36] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 130.594279][ T36] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 130.675749][ T36] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 131.640956][ T5881] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 131.649567][ T5881] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 131.657874][ T5881] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 131.666542][ T5881] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 131.674416][ T5881] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 132.091236][ T1148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 132.109223][ T1148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 132.146520][ T4090] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 132.155717][ T4090] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/08/07 15:55:24 executed programs: 0 [ 132.874523][ T1305] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.881009][ T1305] ieee802154 phy1 wpan1: encryption failed: -22 [ 132.944726][ T5182] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 132.953352][ T5182] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 132.968859][ T5182] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 132.978171][ T5182] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 132.985920][ T5182] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 133.120757][ T36] bridge_slave_1: left allmulticast mode [ 133.126982][ T36] bridge_slave_1: left promiscuous mode [ 133.132781][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 133.148773][ T36] bridge_slave_0: left allmulticast mode [ 133.155753][ T36] bridge_slave_0: left promiscuous mode [ 133.161745][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 133.484950][ T36] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 133.495665][ T36] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 133.505640][ T36] bond0 (unregistering): Released all slaves [ 133.660753][ T36] hsr_slave_0: left promiscuous mode [ 133.671584][ T36] hsr_slave_1: left promiscuous mode [ 133.678156][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 133.686636][ T36] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 133.697208][ T36] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 133.705516][ T36] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 133.726965][ T36] veth1_macvtap: left promiscuous mode [ 133.732588][ T36] veth0_macvtap: left promiscuous mode [ 133.739184][ T36] veth1_vlan: left promiscuous mode [ 133.745653][ T36] veth0_vlan: left promiscuous mode [ 134.247035][ T36] team0 (unregistering): Port device team_slave_1 removed [ 134.289962][ T36] team0 (unregistering): Port device team_slave_0 removed [ 134.800187][ T6538] chnl_net:caif_netlink_parms(): no params data found [ 134.968886][ T6538] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.977342][ T6538] bridge0: port 1(bridge_slave_0) entered disabled state [ 134.984968][ T6538] bridge_slave_0: entered allmulticast mode [ 134.992750][ T6538] bridge_slave_0: entered promiscuous mode [ 135.016720][ T6538] bridge0: port 2(bridge_slave_1) entered blocking state [ 135.026445][ T6538] bridge0: port 2(bridge_slave_1) entered disabled state [ 135.033736][ T6538] bridge_slave_1: entered allmulticast mode [ 135.037171][ T5881] Bluetooth: hci0: command tx timeout [ 135.042671][ T6538] bridge_slave_1: entered promiscuous mode [ 135.211747][ T6538] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 135.232427][ T6538] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 135.350350][ T6538] team0: Port device team_slave_0 added [ 135.419149][ T6538] team0: Port device team_slave_1 added [ 135.531889][ T6538] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 135.538980][ T6538] 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. [ 135.570089][ T6538] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 135.592509][ T6538] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 135.610465][ T6538] 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. [ 135.638633][ T6538] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 135.739988][ T6538] hsr_slave_0: entered promiscuous mode [ 135.754827][ T6538] hsr_slave_1: entered promiscuous mode [ 136.352549][ T6538] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 136.365654][ T6538] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 136.380324][ T6538] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 136.392226][ T6538] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 136.518501][ T6538] 8021q: adding VLAN 0 to HW filter on device bond0 [ 136.550667][ T6538] 8021q: adding VLAN 0 to HW filter on device team0 [ 136.565317][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 136.572471][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 136.590455][ T4090] bridge0: port 2(bridge_slave_1) entered blocking state [ 136.597723][ T4090] bridge0: port 2(bridge_slave_1) entered forwarding state [ 136.859663][ T6538] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 136.919971][ T6538] veth0_vlan: entered promiscuous mode [ 136.938430][ T6538] veth1_vlan: entered promiscuous mode [ 136.986746][ T6538] veth0_macvtap: entered promiscuous mode [ 137.000361][ T6538] veth1_macvtap: entered promiscuous mode [ 137.029875][ T6538] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 137.042124][ T6538] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 137.086007][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 137.107164][ T5881] Bluetooth: hci0: command tx timeout [ 137.107248][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 137.128994][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 137.147215][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 137.288479][ T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 137.308488][ T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 137.355668][ T1148] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 137.366332][ T1148] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/08/07 15:55:29 executed programs: 3 [ 139.186007][ T5881] Bluetooth: hci0: command tx timeout [ 141.264121][ T5881] Bluetooth: hci0: command tx timeout 2025/08/07 15:55:35 executed programs: 9 2025/08/07 15:55:40 executed programs: 15 2025/08/07 15:55:45 executed programs: 21 2025/08/07 15:55:50 executed programs: 27 2025/08/07 15:55:55 executed programs: 33 2025/08/07 15:56:00 executed programs: 39 2025/08/07 15:56:05 executed programs: 45 2025/08/07 15:56:10 executed programs: 51 2025/08/07 15:56:15 executed programs: 57 2025/08/07 15:56:20 executed programs: 63 2025/08/07 15:56:25 executed programs: 69 [ 194.307175][ T1305] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.313560][ T1305] ieee802154 phy1 wpan1: encryption failed: -22 2025/08/07 15:56:30 executed programs: 75 2025/08/07 15:56:36 executed programs: 81 2025/08/07 15:56:41 executed programs: 87 2025/08/07 15:56:46 executed programs: 93 2025/08/07 15:56:51 executed programs: 99 2025/08/07 15:56:56 executed programs: 105 2025/08/07 15:57:01 executed programs: 111 2025/08/07 15:57:06 executed programs: 117 2025/08/07 15:57:11 executed programs: 123 2025/08/07 15:57:16 executed programs: 129 2025/08/07 15:57:21 executed programs: 135 2025/08/07 15:57:26 executed programs: 141 [ 255.748873][ T1305] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.755431][ T1305] ieee802154 phy1 wpan1: encryption failed: -22 [ 257.826401][ T5881] Bluetooth: hci0: command 0x0406 tx timeout 2025/08/07 15:57:31 executed programs: 147 2025/08/07 15:57:37 executed programs: 153 2025/08/07 15:57:42 executed programs: 159 2025/08/07 15:57:47 executed programs: 165 2025/08/07 15:57:52 executed programs: 171 2025/08/07 15:57:57 executed programs: 177 2025/08/07 15:58:02 executed programs: 183 2025/08/07 15:58:07 executed programs: 189 2025/08/07 15:58:12 executed programs: 195 2025/08/07 15:58:17 executed programs: 201 2025/08/07 15:58:22 executed programs: 207 2025/08/07 15:58:27 executed programs: 213 [ 317.187397][ T1305] ieee802154 phy0 wpan0: encryption failed: -22 [ 317.193724][ T1305] ieee802154 phy1 wpan1: encryption failed: -22 2025/08/07 15:58:32 executed programs: 219 2025/08/07 15:58:38 executed programs: 225 2025/08/07 15:58:43 executed programs: 231 [ 334.905570][ T49] ================================================================== [ 334.913757][ T49] BUG: KASAN: slab-use-after-free in _raw_spin_lock_bh+0x36/0x50 [ 334.921605][ T49] Read of size 1 at addr ffff88807ecbd458 by task kworker/u8:3/49 [ 334.929435][ T49] [ 334.931835][ T49] CPU: 0 UID: 0 PID: 49 Comm: kworker/u8:3 Not tainted 6.16.0-syzkaller-11106-g1b30d4441727 #0 PREEMPT(full) [ 334.931851][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 334.931859][ T49] Workqueue: kkcmd kcm_tx_work [ 334.931887][ T49] Call Trace: [ 334.931894][ T49] [ 334.931901][ T49] dump_stack_lvl+0x189/0x250 [ 334.931915][ T49] ? __virt_addr_valid+0x1c8/0x5c0 [ 334.931926][ T49] ? rcu_is_watching+0x15/0xb0 [ 334.931936][ T49] ? __kasan_check_byte+0x12/0x40 [ 334.931948][ T49] ? __pfx_dump_stack_lvl+0x10/0x10 [ 334.931958][ T49] ? rcu_is_watching+0x15/0xb0 [ 334.931966][ T49] ? lock_release+0x4b/0x3e0 [ 334.931979][ T49] ? __virt_addr_valid+0x1c8/0x5c0 [ 334.931990][ T49] ? __virt_addr_valid+0x4a5/0x5c0 [ 334.932001][ T49] print_report+0xca/0x240 [ 334.932010][ T49] ? _raw_spin_lock_bh+0x36/0x50 [ 334.932023][ T49] kasan_report+0x118/0x150 [ 334.932036][ T49] ? _raw_spin_lock_bh+0x36/0x50 [ 334.932049][ T49] ? __lock_sock+0x156/0x2b0 [ 334.932064][ T49] __kasan_check_byte+0x2a/0x40 [ 334.932075][ T49] lock_acquire+0x8d/0x360 [ 334.932088][ T49] ? schedule+0x91/0x360 [ 334.932101][ T49] ? kthread_data+0x4f/0xc0 [ 334.932110][ T49] ? __lock_sock+0x156/0x2b0 [ 334.932121][ T49] _raw_spin_lock_bh+0x36/0x50 [ 334.932133][ T49] ? __lock_sock+0x156/0x2b0 [ 334.932144][ T49] __lock_sock+0x156/0x2b0 [ 334.932156][ T49] ? __pfx___lock_sock+0x10/0x10 [ 334.932167][ T49] ? do_raw_spin_lock+0x121/0x290 [ 334.932177][ T49] ? __pfx_autoremove_wake_function+0x10/0x10 [ 334.932188][ T49] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 334.932200][ T49] ? lock_sock_nested+0x6a/0x100 [ 334.932213][ T49] lock_sock_nested+0x9f/0x100 [ 334.932227][ T49] kcm_tx_work+0x31/0x180 [ 334.932239][ T49] ? process_scheduled_works+0x9ef/0x17b0 [ 334.932277][ T49] process_scheduled_works+0xade/0x17b0 [ 334.932297][ T49] ? __pfx_process_scheduled_works+0x10/0x10 [ 334.932314][ T49] worker_thread+0x8a0/0xda0 [ 334.932323][ T49] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 334.932338][ T49] ? __kthread_parkme+0x7b/0x200 [ 334.932349][ T49] kthread+0x711/0x8a0 [ 334.932360][ T49] ? __pfx_worker_thread+0x10/0x10 [ 334.932369][ T49] ? __pfx_kthread+0x10/0x10 [ 334.932379][ T49] ? _raw_spin_unlock_irq+0x23/0x50 [ 334.932391][ T49] ? lockdep_hardirqs_on+0x9c/0x150 [ 334.932399][ T49] ? __pfx_kthread+0x10/0x10 [ 334.932410][ T49] ret_from_fork+0x3f9/0x770 [ 334.932420][ T49] ? __pfx_ret_from_fork+0x10/0x10 [ 334.932430][ T49] ? __switch_to_asm+0x39/0x70 [ 334.932441][ T49] ? __switch_to_asm+0x33/0x70 [ 334.932451][ T49] ? __pfx_kthread+0x10/0x10 [ 334.932461][ T49] ret_from_fork_asm+0x1a/0x30 [ 334.932476][ T49] [ 334.932480][ T49] [ 335.201598][ T49] Allocated by task 7751: [ 335.205909][ T49] kasan_save_track+0x3e/0x80 [ 335.210630][ T49] __kasan_slab_alloc+0x6c/0x80 [ 335.215477][ T49] kmem_cache_alloc_noprof+0x1c1/0x3c0 [ 335.220924][ T49] sk_prot_alloc+0x57/0x220 [ 335.225414][ T49] sk_alloc+0x3a/0x370 [ 335.229559][ T49] kcm_ioctl+0x214/0xff0 [ 335.233794][ T49] sock_do_ioctl+0xd9/0x300 [ 335.238461][ T49] sock_ioctl+0x576/0x790 [ 335.242870][ T49] __se_sys_ioctl+0xfc/0x170 [ 335.247479][ T49] do_syscall_64+0xfa/0x3b0 [ 335.251968][ T49] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 335.257848][ T49] [ 335.260156][ T49] Freed by task 7752: [ 335.264188][ T49] kasan_save_track+0x3e/0x80 [ 335.268855][ T49] kasan_save_free_info+0x46/0x50 [ 335.273865][ T49] __kasan_slab_free+0x62/0x70 [ 335.278618][ T49] kmem_cache_free+0x18f/0x400 [ 335.283376][ T49] __sk_destruct+0x4d2/0x660 [ 335.288042][ T49] kcm_release+0x528/0x5c0 [ 335.292462][ T49] sock_close+0xc0/0x240 [ 335.296781][ T49] __fput+0x44c/0xa70 [ 335.300750][ T49] fput_close_sync+0x119/0x200 [ 335.305612][ T49] __x64_sys_close+0x7f/0x110 [ 335.310287][ T49] do_syscall_64+0xfa/0x3b0 [ 335.314814][ T49] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 335.320721][ T49] [ 335.323061][ T49] Last potentially related work creation: [ 335.328758][ T49] kasan_save_stack+0x3e/0x60 [ 335.333438][ T49] kasan_record_aux_stack+0xbd/0xd0 [ 335.338650][ T49] insert_work+0x3d/0x330 [ 335.342969][ T49] __queue_work+0xcd2/0xfb0 [ 335.347455][ T49] queue_work_on+0x181/0x270 [ 335.352025][ T49] kcm_unattach+0x863/0xe90 [ 335.356529][ T49] kcm_ioctl+0x794/0xff0 [ 335.360762][ T49] sock_do_ioctl+0xd9/0x300 [ 335.365338][ T49] sock_ioctl+0x576/0x790 [ 335.369655][ T49] __se_sys_ioctl+0xfc/0x170 [ 335.374238][ T49] do_syscall_64+0xfa/0x3b0 [ 335.378728][ T49] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 335.384699][ T49] [ 335.387099][ T49] Second to last potentially related work creation: [ 335.393841][ T49] kasan_save_stack+0x3e/0x60 [ 335.398509][ T49] kasan_record_aux_stack+0xbd/0xd0 [ 335.403869][ T49] insert_work+0x3d/0x330 [ 335.408194][ T49] __queue_work+0xcd2/0xfb0 [ 335.412682][ T49] queue_work_on+0x181/0x270 [ 335.417260][ T49] kcm_ioctl+0xe52/0xff0 [ 335.421583][ T49] sock_do_ioctl+0xd9/0x300 [ 335.426076][ T49] sock_ioctl+0x576/0x790 [ 335.430420][ T49] __se_sys_ioctl+0xfc/0x170 [ 335.435086][ T49] do_syscall_64+0xfa/0x3b0 [ 335.439576][ T49] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 335.445541][ T49] [ 335.447850][ T49] The buggy address belongs to the object at ffff88807ecbd280 [ 335.447850][ T49] which belongs to the cache KCM of size 1792 [ 335.461279][ T49] The buggy address is located 472 bytes inside of [ 335.461279][ T49] freed 1792-byte region [ffff88807ecbd280, ffff88807ecbd980) [ 335.475271][ T49] [ 335.477617][ T49] The buggy address belongs to the physical page: [ 335.484034][ T49] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7ecb8 [ 335.492788][ T49] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 335.501274][ T49] memcg:ffff888027ed6201 [ 335.505510][ T49] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 335.513057][ T49] page_type: f5(slab) [ 335.517071][ T49] raw: 00fff00000000040 ffff88814cddc140 ffffea0001c88200 dead000000000002 [ 335.525812][ T49] raw: 0000000000000000 0000000080110011 00000000f5000000 ffff888027ed6201 [ 335.534380][ T49] head: 00fff00000000040 ffff88814cddc140 ffffea0001c88200 dead000000000002 [ 335.543126][ T49] head: 0000000000000000 0000000080110011 00000000f5000000 ffff888027ed6201 [ 335.551956][ T49] head: 00fff00000000003 ffffea0001fb2e01 00000000ffffffff 00000000ffffffff [ 335.560701][ T49] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 335.569442][ T49] page dumped because: kasan: bad access detected [ 335.576007][ T49] page_owner tracks the page as allocated [ 335.581793][ T49] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 6661, tgid 6659 (syz.0.16), ts 137419785978, free_ts 137388500654 [ 335.602962][ T49] post_alloc_hook+0x240/0x2a0 [ 335.607726][ T49] get_page_from_freelist+0x21e4/0x22c0 [ 335.613446][ T49] __alloc_frozen_pages_noprof+0x181/0x370 [ 335.619256][ T49] alloc_pages_mpol+0x232/0x4a0 [ 335.624093][ T49] allocate_slab+0x8a/0x370 [ 335.628591][ T49] ___slab_alloc+0xbeb/0x1410 [ 335.633254][ T49] kmem_cache_alloc_noprof+0x283/0x3c0 [ 335.638698][ T49] sk_prot_alloc+0x57/0x220 [ 335.643288][ T49] sk_alloc+0x3a/0x370 [ 335.647358][ T49] kcm_create+0x100/0x580 [ 335.651765][ T49] __sock_create+0x4b3/0x9f0 [ 335.656433][ T49] __sys_socket+0xd7/0x1b0 [ 335.660834][ T49] __x64_sys_socket+0x7a/0x90 [ 335.665591][ T49] do_syscall_64+0xfa/0x3b0 [ 335.670187][ T49] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 335.676154][ T49] page last free pid 6538 tgid 6538 stack trace: [ 335.682551][ T49] __free_frozen_pages+0xbc4/0xd30 [ 335.688100][ T49] __put_partials+0x156/0x1a0 [ 335.692771][ T49] put_cpu_partial+0x17c/0x250 [ 335.697523][ T49] __slab_free+0x2d5/0x3c0 [ 335.702036][ T49] qlist_free_all+0x97/0x140 [ 335.706615][ T49] kasan_quarantine_reduce+0x148/0x160 [ 335.712237][ T49] __kasan_slab_alloc+0x22/0x80 [ 335.717163][ T49] kmem_cache_alloc_lru_noprof+0x1c6/0x3d0 [ 335.723048][ T49] shmem_alloc_inode+0x28/0x40 [ 335.727805][ T49] alloc_inode+0x6a/0x1b0 [ 335.732122][ T49] new_inode+0x22/0x170 [ 335.736311][ T49] shmem_get_inode+0x346/0xe90 [ 335.741065][ T49] shmem_mknod+0x18c/0x3e0 [ 335.745463][ T49] shmem_mkdir+0x33/0x70 [ 335.749770][ T49] vfs_mkdir+0x303/0x510 [ 335.754016][ T49] do_mkdirat+0x247/0x590 [ 335.758347][ T49] [ 335.760660][ T49] Memory state around the buggy address: [ 335.766285][ T49] ffff88807ecbd300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 335.774336][ T49] ffff88807ecbd380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 335.782487][ T49] >ffff88807ecbd400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 335.790584][ T49] ^ [ 335.797505][ T49] ffff88807ecbd480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 335.805556][ T49] ffff88807ecbd500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 335.813606][ T49] ================================================================== [ 335.821818][ T49] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 335.829126][ T49] CPU: 0 UID: 0 PID: 49 Comm: kworker/u8:3 Not tainted 6.16.0-syzkaller-11106-g1b30d4441727 #0 PREEMPT(full) [ 335.840844][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 335.851009][ T49] Workqueue: kkcmd kcm_tx_work [ 335.855784][ T49] Call Trace: [ 335.859054][ T49] [ 335.861976][ T49] dump_stack_lvl+0x99/0x250 [ 335.866564][ T49] ? __asan_memcpy+0x40/0x70 [ 335.871212][ T49] ? __pfx_dump_stack_lvl+0x10/0x10 [ 335.876494][ T49] ? __pfx__printk+0x10/0x10 [ 335.881098][ T49] vpanic+0x27a/0x730 [ 335.885077][ T49] ? __pfx_print_hex_dump+0x10/0x10 [ 335.890624][ T49] ? __pfx_vpanic+0x10/0x10 [ 335.895301][ T49] ? irqentry_exit+0x74/0x90 [ 335.900000][ T49] ? lockdep_hardirqs_on+0x9c/0x150 [ 335.905195][ T49] panic+0xb9/0xc0 [ 335.908911][ T49] ? __pfx_panic+0x10/0x10 [ 335.913316][ T49] ? _raw_spin_unlock_irqrestore+0xa8/0x110 [ 335.919386][ T49] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 335.925796][ T49] ? _raw_spin_lock_bh+0x36/0x50 [ 335.930818][ T49] check_panic_on_warn+0x89/0xb0 [ 335.935748][ T49] ? _raw_spin_lock_bh+0x36/0x50 [ 335.940779][ T49] end_report+0x78/0x160 [ 335.945030][ T49] kasan_report+0x129/0x150 [ 335.949629][ T49] ? _raw_spin_lock_bh+0x36/0x50 [ 335.954569][ T49] ? __lock_sock+0x156/0x2b0 [ 335.959242][ T49] __kasan_check_byte+0x2a/0x40 [ 335.964087][ T49] lock_acquire+0x8d/0x360 [ 335.968500][ T49] ? schedule+0x91/0x360 [ 335.972736][ T49] ? kthread_data+0x4f/0xc0 [ 335.977233][ T49] ? __lock_sock+0x156/0x2b0 [ 335.981829][ T49] _raw_spin_lock_bh+0x36/0x50 [ 335.986683][ T49] ? __lock_sock+0x156/0x2b0 [ 335.991267][ T49] __lock_sock+0x156/0x2b0 [ 335.995677][ T49] ? __pfx___lock_sock+0x10/0x10 [ 336.000694][ T49] ? do_raw_spin_lock+0x121/0x290 [ 336.005720][ T49] ? __pfx_autoremove_wake_function+0x10/0x10 [ 336.011965][ T49] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 336.017338][ T49] ? lock_sock_nested+0x6a/0x100 [ 336.022280][ T49] lock_sock_nested+0x9f/0x100 [ 336.027044][ T49] kcm_tx_work+0x31/0x180 [ 336.031456][ T49] ? process_scheduled_works+0x9ef/0x17b0 [ 336.037291][ T49] process_scheduled_works+0xade/0x17b0 [ 336.042844][ T49] ? __pfx_process_scheduled_works+0x10/0x10 [ 336.048834][ T49] worker_thread+0x8a0/0xda0 [ 336.053436][ T49] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 336.059773][ T49] ? __kthread_parkme+0x7b/0x200 [ 336.064813][ T49] kthread+0x711/0x8a0 [ 336.068897][ T49] ? __pfx_worker_thread+0x10/0x10 [ 336.074165][ T49] ? __pfx_kthread+0x10/0x10 [ 336.078746][ T49] ? _raw_spin_unlock_irq+0x23/0x50 [ 336.083950][ T49] ? lockdep_hardirqs_on+0x9c/0x150 [ 336.089167][ T49] ? __pfx_kthread+0x10/0x10 [ 336.093751][ T49] ret_from_fork+0x3f9/0x770 [ 336.098444][ T49] ? __pfx_ret_from_fork+0x10/0x10 [ 336.103549][ T49] ? __switch_to_asm+0x39/0x70 [ 336.108395][ T49] ? __switch_to_asm+0x33/0x70 [ 336.113158][ T49] ? __pfx_kthread+0x10/0x10 [ 336.117737][ T49] ret_from_fork_asm+0x1a/0x30 [ 336.122495][ T49] [ 336.125806][ T49] Kernel Offset: disabled [ 336.130121][ T49] Rebooting in 86400 seconds..