Warning: Permanently added '10.128.1.246' (ED25519) to the list of known hosts. 2025/07/21 17:01:33 ignoring optional flag "sandboxArg"="0" 2025/07/21 17:01:34 parsed 1 programs [ 329.284680][ T5894] cgroup: Unknown subsys name 'net' [ 329.380722][ T5894] cgroup: Unknown subsys name 'cpuset' [ 329.390438][ T5894] cgroup: Unknown subsys name 'rlimit' [ 331.140864][ T5894] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 334.640820][ T5900] 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. [ 336.608279][ T5937] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 336.616463][ T5937] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 336.624338][ T5937] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 336.633092][ T5937] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 336.643701][ T5937] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 337.127517][ T5942] chnl_net:caif_netlink_parms(): no params data found [ 337.206327][ T5942] bridge0: port 1(bridge_slave_0) entered blocking state [ 337.214060][ T5942] bridge0: port 1(bridge_slave_0) entered disabled state [ 337.221746][ T5942] bridge_slave_0: entered allmulticast mode [ 337.229926][ T5942] bridge_slave_0: entered promiscuous mode [ 337.238879][ T5942] bridge0: port 2(bridge_slave_1) entered blocking state [ 337.246425][ T5942] bridge0: port 2(bridge_slave_1) entered disabled state [ 337.253555][ T5942] bridge_slave_1: entered allmulticast mode [ 337.261050][ T5942] bridge_slave_1: entered promiscuous mode [ 337.294300][ T5942] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 337.306346][ T5942] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 337.341594][ T5942] team0: Port device team_slave_0 added [ 337.350128][ T5942] team0: Port device team_slave_1 added [ 337.380753][ T5942] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 337.388288][ T5942] 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. [ 337.414259][ T5942] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 337.427157][ T5942] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 337.434117][ T5942] 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. [ 337.460098][ T5942] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 337.505486][ T5942] hsr_slave_0: entered promiscuous mode [ 337.512484][ T5942] hsr_slave_1: entered promiscuous mode [ 337.666208][ T5942] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 337.680029][ T5942] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 337.690970][ T5942] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 337.701602][ T5942] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 337.737643][ T5942] bridge0: port 2(bridge_slave_1) entered blocking state [ 337.744819][ T5942] bridge0: port 2(bridge_slave_1) entered forwarding state [ 337.752721][ T5942] bridge0: port 1(bridge_slave_0) entered blocking state [ 337.759861][ T5942] bridge0: port 1(bridge_slave_0) entered forwarding state [ 337.816480][ T5942] 8021q: adding VLAN 0 to HW filter on device bond0 [ 337.832877][ T5916] bridge0: port 1(bridge_slave_0) entered disabled state [ 337.843395][ T5916] bridge0: port 2(bridge_slave_1) entered disabled state [ 337.866752][ T5942] 8021q: adding VLAN 0 to HW filter on device team0 [ 337.881849][ T5916] bridge0: port 1(bridge_slave_0) entered blocking state [ 337.889021][ T5916] bridge0: port 1(bridge_slave_0) entered forwarding state [ 337.903948][ T3438] bridge0: port 2(bridge_slave_1) entered blocking state [ 337.911173][ T3438] bridge0: port 2(bridge_slave_1) entered forwarding state [ 338.103388][ T5942] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 338.153589][ T5942] veth0_vlan: entered promiscuous mode [ 338.166195][ T5942] veth1_vlan: entered promiscuous mode [ 338.201201][ T5942] veth0_macvtap: entered promiscuous mode [ 338.210709][ T5942] veth1_macvtap: entered promiscuous mode [ 338.231297][ T5942] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 338.249407][ T5942] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 338.263364][ T5942] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 338.272757][ T5942] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 338.283635][ T5942] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 338.292561][ T5942] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 338.448325][ T3438] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 338.515387][ T3438] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 338.607951][ T3438] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 338.708058][ T3438] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 338.965319][ T5916] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 338.973332][ T5916] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 339.002809][ T5916] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 339.011548][ T5916] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/07/21 17:01:48 executed programs: 0 [ 340.119400][ T5168] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 340.129108][ T5168] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 340.138182][ T5168] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 340.146972][ T5168] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 340.155132][ T5168] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 340.325010][ T5994] chnl_net:caif_netlink_parms(): no params data found [ 340.400452][ T5994] bridge0: port 1(bridge_slave_0) entered blocking state [ 340.407831][ T5994] bridge0: port 1(bridge_slave_0) entered disabled state [ 340.415141][ T5994] bridge_slave_0: entered allmulticast mode [ 340.423128][ T5994] bridge_slave_0: entered promiscuous mode [ 340.432743][ T5994] bridge0: port 2(bridge_slave_1) entered blocking state [ 340.440753][ T5994] bridge0: port 2(bridge_slave_1) entered disabled state [ 340.449655][ T5994] bridge_slave_1: entered allmulticast mode [ 340.457480][ T5994] bridge_slave_1: entered promiscuous mode [ 340.493189][ T5994] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 340.507570][ T5994] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 340.544527][ T5994] team0: Port device team_slave_0 added [ 340.552324][ T5994] team0: Port device team_slave_1 added [ 340.581697][ T5994] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 340.590472][ T5994] 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. [ 340.617340][ T5994] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 340.629687][ T5994] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 340.636825][ T5994] 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. [ 340.663442][ T5994] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 340.709362][ T5994] hsr_slave_0: entered promiscuous mode [ 340.715667][ T5994] hsr_slave_1: entered promiscuous mode [ 340.722212][ T5994] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 340.730113][ T5994] Cannot create hsr debugfs directory [ 340.990983][ T3438] bridge_slave_1: left allmulticast mode [ 340.997401][ T3438] bridge_slave_1: left promiscuous mode [ 341.003492][ T3438] bridge0: port 2(bridge_slave_1) entered disabled state [ 341.026849][ T3438] bridge_slave_0: left allmulticast mode [ 341.032535][ T3438] bridge_slave_0: left promiscuous mode [ 341.038588][ T3438] bridge0: port 1(bridge_slave_0) entered disabled state [ 341.267931][ T3438] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 341.279497][ T3438] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 341.290167][ T3438] bond0 (unregistering): Released all slaves [ 341.439292][ T3438] hsr_slave_0: left promiscuous mode [ 341.445599][ T3438] hsr_slave_1: left promiscuous mode [ 341.454184][ T3438] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 341.464907][ T3438] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 341.481027][ T3438] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 341.493248][ T3438] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 341.513723][ T3438] veth1_macvtap: left promiscuous mode [ 341.519656][ T3438] veth0_macvtap: left promiscuous mode [ 341.526423][ T3438] veth1_vlan: left promiscuous mode [ 341.531873][ T3438] veth0_vlan: left promiscuous mode [ 342.177470][ T5168] Bluetooth: hci0: command tx timeout [ 342.189194][ T3438] team0 (unregistering): Port device team_slave_1 removed [ 342.228308][ T3438] team0 (unregistering): Port device team_slave_0 removed [ 342.732506][ T5994] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 342.747600][ T5994] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 342.760548][ T5994] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 342.774042][ T5994] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 343.239957][ T5994] 8021q: adding VLAN 0 to HW filter on device bond0 [ 343.266906][ T5994] 8021q: adding VLAN 0 to HW filter on device team0 [ 343.288351][ T3535] bridge0: port 1(bridge_slave_0) entered blocking state [ 343.295557][ T3535] bridge0: port 1(bridge_slave_0) entered forwarding state [ 343.312422][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 343.319649][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 343.664215][ T5994] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 343.714552][ T5994] veth0_vlan: entered promiscuous mode [ 343.735442][ T5994] veth1_vlan: entered promiscuous mode [ 343.777539][ T5994] veth0_macvtap: entered promiscuous mode [ 343.790183][ T5994] veth1_macvtap: entered promiscuous mode [ 343.813911][ T5994] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 343.835460][ T5994] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 343.851321][ T5994] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 343.862311][ T5994] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 343.871878][ T5994] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 343.880919][ T5994] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 343.951931][ T6036] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 343.969354][ T6036] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 343.996592][ T3438] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 344.005261][ T3438] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 344.265975][ T5168] Bluetooth: hci0: command tx timeout 2025/07/21 17:01:53 executed programs: 4 [ 346.336630][ T5168] Bluetooth: hci0: command tx timeout [ 348.416123][ T5168] Bluetooth: hci0: command tx timeout 2025/07/21 17:01:58 executed programs: 10 2025/07/21 17:02:04 executed programs: 16 2025/07/21 17:02:09 executed programs: 22 2025/07/21 17:02:14 executed programs: 28 [ 368.131565][ T36] ================================================================== [ 368.139688][ T36] BUG: KASAN: slab-use-after-free in _raw_spin_lock_bh+0x36/0x50 [ 368.147420][ T36] Read of size 1 at addr ffff88806b0db658 by task kworker/u8:2/36 [ 368.155237][ T36] [ 368.157582][ T36] CPU: 0 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.16.0-rc6-syzkaller-g7abc678e3084 #0 PREEMPT(full) [ 368.157599][ T36] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 368.157607][ T36] Workqueue: kkcmd kcm_tx_work [ 368.157623][ T36] Call Trace: [ 368.157629][ T36] [ 368.157634][ T36] dump_stack_lvl+0x189/0x250 [ 368.157649][ T36] ? __virt_addr_valid+0x1c8/0x5c0 [ 368.157664][ T36] ? rcu_is_watching+0x15/0xb0 [ 368.157677][ T36] ? __kasan_check_byte+0x12/0x40 [ 368.157693][ T36] ? __pfx_dump_stack_lvl+0x10/0x10 [ 368.157706][ T36] ? rcu_is_watching+0x15/0xb0 [ 368.157721][ T36] ? lock_release+0x4b/0x3e0 [ 368.157734][ T36] ? __virt_addr_valid+0x1c8/0x5c0 [ 368.157748][ T36] ? __virt_addr_valid+0x4a5/0x5c0 [ 368.157762][ T36] print_report+0xca/0x230 [ 368.157773][ T36] ? _raw_spin_lock_bh+0x36/0x50 [ 368.157789][ T36] kasan_report+0x118/0x150 [ 368.157805][ T36] ? _raw_spin_lock_bh+0x36/0x50 [ 368.157823][ T36] ? __lock_sock+0x156/0x2b0 [ 368.157834][ T36] __kasan_check_byte+0x2a/0x40 [ 368.157849][ T36] lock_acquire+0x8d/0x360 [ 368.157861][ T36] ? schedule+0x91/0x360 [ 368.157871][ T36] ? kthread_data+0x4f/0xc0 [ 368.157885][ T36] ? __lock_sock+0x156/0x2b0 [ 368.157895][ T36] _raw_spin_lock_bh+0x36/0x50 [ 368.157911][ T36] ? __lock_sock+0x156/0x2b0 [ 368.157922][ T36] __lock_sock+0x156/0x2b0 [ 368.157933][ T36] ? __pfx___lock_sock+0x10/0x10 [ 368.157943][ T36] ? do_raw_spin_lock+0x121/0x290 [ 368.157958][ T36] ? __pfx_autoremove_wake_function+0x10/0x10 [ 368.157974][ T36] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 368.157991][ T36] ? lock_sock_nested+0x6a/0x100 [ 368.158004][ T36] lock_sock_nested+0x9f/0x100 [ 368.158017][ T36] kcm_tx_work+0x31/0x180 [ 368.158028][ T36] ? process_scheduled_works+0x9ef/0x17b0 [ 368.158042][ T36] process_scheduled_works+0xae1/0x17b0 [ 368.158061][ T36] ? __pfx_process_scheduled_works+0x10/0x10 [ 368.158085][ T36] worker_thread+0x8a0/0xda0 [ 368.158104][ T36] kthread+0x70e/0x8a0 [ 368.158120][ T36] ? __pfx_worker_thread+0x10/0x10 [ 368.158132][ T36] ? __pfx_kthread+0x10/0x10 [ 368.158147][ T36] ? _raw_spin_unlock_irq+0x23/0x50 [ 368.158157][ T36] ? lockdep_hardirqs_on+0x9c/0x150 [ 368.158169][ T36] ? __pfx_kthread+0x10/0x10 [ 368.158183][ T36] ret_from_fork+0x3fc/0x770 [ 368.158196][ T36] ? __pfx_ret_from_fork+0x10/0x10 [ 368.158209][ T36] ? __switch_to_asm+0x39/0x70 [ 368.158223][ T36] ? __switch_to_asm+0x33/0x70 [ 368.158236][ T36] ? __pfx_kthread+0x10/0x10 [ 368.158251][ T36] ret_from_fork_asm+0x1a/0x30 [ 368.158274][ T36] [ 368.158278][ T36] [ 368.414140][ T36] Allocated by task 6156: [ 368.418481][ T36] kasan_save_track+0x3e/0x80 [ 368.423178][ T36] __kasan_slab_alloc+0x6c/0x80 [ 368.428027][ T36] kmem_cache_alloc_noprof+0x1c1/0x3c0 [ 368.433485][ T36] sk_prot_alloc+0x57/0x220 [ 368.437993][ T36] sk_alloc+0x3a/0x370 [ 368.442060][ T36] kcm_ioctl+0x214/0xff0 [ 368.446298][ T36] sock_do_ioctl+0xd9/0x300 [ 368.450794][ T36] sock_ioctl+0x576/0x790 [ 368.455116][ T36] __se_sys_ioctl+0xf9/0x170 [ 368.459702][ T36] do_syscall_64+0xfa/0x3b0 [ 368.464201][ T36] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 368.470088][ T36] [ 368.472407][ T36] Freed by task 6157: [ 368.476391][ T36] kasan_save_track+0x3e/0x80 [ 368.481103][ T36] kasan_save_free_info+0x46/0x50 [ 368.486129][ T36] __kasan_slab_free+0x62/0x70 [ 368.490889][ T36] kmem_cache_free+0x18f/0x400 [ 368.495652][ T36] __sk_destruct+0x4d2/0x660 [ 368.500257][ T36] kcm_release+0x528/0x5c0 [ 368.504670][ T36] sock_close+0xc0/0x240 [ 368.508906][ T36] __fput+0x44c/0xa70 [ 368.512882][ T36] fput_close_sync+0x119/0x200 [ 368.517640][ T36] __x64_sys_close+0x7f/0x110 [ 368.522344][ T36] do_syscall_64+0xfa/0x3b0 [ 368.526881][ T36] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 368.532791][ T36] [ 368.535114][ T36] Last potentially related work creation: [ 368.540843][ T36] kasan_save_stack+0x3e/0x60 [ 368.545536][ T36] kasan_record_aux_stack+0xbd/0xd0 [ 368.550729][ T36] insert_work+0x3d/0x330 [ 368.555055][ T36] __queue_work+0xcfc/0xfe0 [ 368.559558][ T36] queue_work_on+0x181/0x270 [ 368.564160][ T36] kcm_unattach+0x863/0xe90 [ 368.568660][ T36] kcm_ioctl+0x794/0xff0 [ 368.572902][ T36] sock_do_ioctl+0xd9/0x300 [ 368.577413][ T36] sock_ioctl+0x576/0x790 [ 368.581736][ T36] __se_sys_ioctl+0xf9/0x170 [ 368.586346][ T36] do_syscall_64+0xfa/0x3b0 [ 368.590857][ T36] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 368.596747][ T36] [ 368.599090][ T36] Second to last potentially related work creation: [ 368.605666][ T36] kasan_save_stack+0x3e/0x60 [ 368.610350][ T36] kasan_record_aux_stack+0xbd/0xd0 [ 368.615565][ T36] insert_work+0x3d/0x330 [ 368.619889][ T36] __queue_work+0xcfc/0xfe0 [ 368.624386][ T36] queue_work_on+0x181/0x270 [ 368.628991][ T36] kcm_ioctl+0xe52/0xff0 [ 368.633227][ T36] sock_do_ioctl+0xd9/0x300 [ 368.637726][ T36] sock_ioctl+0x576/0x790 [ 368.642075][ T36] __se_sys_ioctl+0xf9/0x170 [ 368.646664][ T36] do_syscall_64+0xfa/0x3b0 [ 368.651207][ T36] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 368.657123][ T36] [ 368.659456][ T36] The buggy address belongs to the object at ffff88806b0db480 [ 368.659456][ T36] which belongs to the cache KCM of size 1792 [ 368.672910][ T36] The buggy address is located 472 bytes inside of [ 368.672910][ T36] freed 1792-byte region [ffff88806b0db480, ffff88806b0dbb80) [ 368.686801][ T36] [ 368.689120][ T36] The buggy address belongs to the physical page: [ 368.695524][ T36] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6b0d8 [ 368.704278][ T36] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 368.712774][ T36] memcg:ffff8880291d8901 [ 368.717016][ T36] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 368.724555][ T36] page_type: f5(slab) [ 368.728533][ T36] raw: 00fff00000000040 ffff88814c554a00 dead000000000122 0000000000000000 [ 368.737110][ T36] raw: 0000000000000000 0000000080110011 00000000f5000000 ffff8880291d8901 [ 368.745789][ T36] head: 00fff00000000040 ffff88814c554a00 dead000000000122 0000000000000000 [ 368.754454][ T36] head: 0000000000000000 0000000080110011 00000000f5000000 ffff8880291d8901 [ 368.763219][ T36] head: 00fff00000000003 ffffea0001ac3601 00000000ffffffff 00000000ffffffff [ 368.771892][ T36] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 368.780559][ T36] page dumped because: kasan: bad access detected [ 368.786967][ T36] page_owner tracks the page as allocated [ 368.792671][ T36] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 6128, tgid 6126 (syz.0.37), ts 362128751969, free_ts 362069732837 [ 368.813853][ T36] post_alloc_hook+0x240/0x2a0 [ 368.818624][ T36] get_page_from_freelist+0x21e4/0x22c0 [ 368.824165][ T36] __alloc_frozen_pages_noprof+0x181/0x370 [ 368.829971][ T36] alloc_pages_mpol+0x232/0x4a0 [ 368.834820][ T36] allocate_slab+0x8a/0x3b0 [ 368.839318][ T36] ___slab_alloc+0xbfc/0x1480 [ 368.844014][ T36] kmem_cache_alloc_noprof+0x283/0x3c0 [ 368.849497][ T36] sk_prot_alloc+0x57/0x220 [ 368.854022][ T36] sk_alloc+0x3a/0x370 [ 368.858109][ T36] kcm_ioctl+0x214/0xff0 [ 368.862361][ T36] sock_do_ioctl+0xd9/0x300 [ 368.866872][ T36] sock_ioctl+0x576/0x790 [ 368.871215][ T36] __se_sys_ioctl+0xf9/0x170 [ 368.875828][ T36] do_syscall_64+0xfa/0x3b0 [ 368.880341][ T36] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 368.886233][ T36] page last free pid 5901 tgid 5901 stack trace: [ 368.892569][ T36] __free_frozen_pages+0xc71/0xe70 [ 368.897681][ T36] __slab_free+0x326/0x400 [ 368.902092][ T36] qlist_free_all+0x97/0x140 [ 368.906736][ T36] kasan_quarantine_reduce+0x148/0x160 [ 368.912220][ T36] __kasan_slab_alloc+0x22/0x80 [ 368.917084][ T36] __kmalloc_cache_noprof+0x1be/0x3d0 [ 368.922483][ T36] kernfs_fop_open+0x397/0xca0 [ 368.927261][ T36] do_dentry_open+0xdf0/0x1970 [ 368.932031][ T36] vfs_open+0x3b/0x340 [ 368.936111][ T36] path_openat+0x2ee5/0x3830 [ 368.940708][ T36] do_filp_open+0x1fa/0x410 [ 368.945225][ T36] do_sys_openat2+0x121/0x1c0 [ 368.949908][ T36] __x64_sys_openat+0x138/0x170 [ 368.954768][ T36] do_syscall_64+0xfa/0x3b0 [ 368.959286][ T36] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 368.965193][ T36] [ 368.967525][ T36] Memory state around the buggy address: [ 368.973168][ T36] ffff88806b0db500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 368.981238][ T36] ffff88806b0db580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 368.989300][ T36] >ffff88806b0db600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 368.997365][ T36] ^ [ 369.004297][ T36] ffff88806b0db680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 369.012365][ T36] ffff88806b0db700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 369.020431][ T36] ================================================================== [ 369.028650][ T36] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 369.035869][ T36] CPU: 0 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.16.0-rc6-syzkaller-g7abc678e3084 #0 PREEMPT(full) [ 369.047334][ T36] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 369.057397][ T36] Workqueue: kkcmd kcm_tx_work [ 369.062180][ T36] Call Trace: [ 369.065467][ T36] [ 369.068405][ T36] dump_stack_lvl+0x99/0x250 [ 369.073030][ T36] ? __asan_memcpy+0x40/0x70 [ 369.077659][ T36] ? __pfx_dump_stack_lvl+0x10/0x10 [ 369.082870][ T36] ? __pfx__printk+0x10/0x10 [ 369.087489][ T36] panic+0x2db/0x790 [ 369.091424][ T36] ? lockdep_hardirqs_on+0x9c/0x150 [ 369.096666][ T36] ? __pfx_panic+0x10/0x10 [ 369.101094][ T36] ? _raw_spin_unlock_irqrestore+0xa8/0x110 [ 369.106996][ T36] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 369.112895][ T36] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 369.119241][ T36] ? _raw_spin_lock_bh+0x36/0x50 [ 369.124190][ T36] check_panic_on_warn+0x89/0xb0 [ 369.129141][ T36] ? _raw_spin_lock_bh+0x36/0x50 [ 369.134090][ T36] end_report+0x78/0x160 [ 369.138378][ T36] kasan_report+0x129/0x150 [ 369.142894][ T36] ? _raw_spin_lock_bh+0x36/0x50 [ 369.147847][ T36] ? __lock_sock+0x156/0x2b0 [ 369.152445][ T36] __kasan_check_byte+0x2a/0x40 [ 369.157307][ T36] lock_acquire+0x8d/0x360 [ 369.161735][ T36] ? schedule+0x91/0x360 [ 369.165986][ T36] ? kthread_data+0x4f/0xc0 [ 369.170499][ T36] ? __lock_sock+0x156/0x2b0 [ 369.175100][ T36] _raw_spin_lock_bh+0x36/0x50 [ 369.179879][ T36] ? __lock_sock+0x156/0x2b0 [ 369.184479][ T36] __lock_sock+0x156/0x2b0 [ 369.188903][ T36] ? __pfx___lock_sock+0x10/0x10 [ 369.193848][ T36] ? do_raw_spin_lock+0x121/0x290 [ 369.198884][ T36] ? __pfx_autoremove_wake_function+0x10/0x10 [ 369.204964][ T36] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 369.210377][ T36] ? lock_sock_nested+0x6a/0x100 [ 369.215326][ T36] lock_sock_nested+0x9f/0x100 [ 369.220100][ T36] kcm_tx_work+0x31/0x180 [ 369.224439][ T36] ? process_scheduled_works+0x9ef/0x17b0 [ 369.230168][ T36] process_scheduled_works+0xae1/0x17b0 [ 369.235743][ T36] ? __pfx_process_scheduled_works+0x10/0x10 [ 369.241744][ T36] worker_thread+0x8a0/0xda0 [ 369.246355][ T36] kthread+0x70e/0x8a0 [ 369.250445][ T36] ? __pfx_worker_thread+0x10/0x10 [ 369.255563][ T36] ? __pfx_kthread+0x10/0x10 [ 369.260165][ T36] ? _raw_spin_unlock_irq+0x23/0x50 [ 369.265370][ T36] ? lockdep_hardirqs_on+0x9c/0x150 [ 369.270580][ T36] ? __pfx_kthread+0x10/0x10 [ 369.275188][ T36] ret_from_fork+0x3fc/0x770 [ 369.279792][ T36] ? __pfx_ret_from_fork+0x10/0x10 [ 369.284919][ T36] ? __switch_to_asm+0x39/0x70 [ 369.289693][ T36] ? __switch_to_asm+0x33/0x70 [ 369.294471][ T36] ? __pfx_kthread+0x10/0x10 [ 369.299073][ T36] ret_from_fork_asm+0x1a/0x30 [ 369.303877][ T36] [ 369.307039][ T36] Kernel Offset: disabled [ 369.311364][ T36] Rebooting in 86400 seconds..