Warning: Permanently added '10.128.1.193' (ED25519) to the list of known hosts. 2024/06/28 01:36:14 ignoring optional flag "sandboxArg"="0" 2024/06/28 01:36:14 parsed 1 programs [ 154.361699][ T5108] cgroup: Unknown subsys name 'net' [ 154.498520][ T5108] cgroup: Unknown subsys name 'rlimit' [ 156.222306][ T5108] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 157.410683][ T5131] chnl_net:caif_netlink_parms(): no params data found [ 157.495220][ T5131] bridge0: port 1(bridge_slave_0) entered blocking state [ 157.503607][ T5131] bridge0: port 1(bridge_slave_0) entered disabled state [ 157.511444][ T5131] bridge_slave_0: entered allmulticast mode [ 157.518812][ T5131] bridge_slave_0: entered promiscuous mode [ 157.529369][ T5131] bridge0: port 2(bridge_slave_1) entered blocking state [ 157.536712][ T5131] bridge0: port 2(bridge_slave_1) entered disabled state [ 157.544192][ T5131] bridge_slave_1: entered allmulticast mode [ 157.551585][ T5131] bridge_slave_1: entered promiscuous mode [ 157.590711][ T5131] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 157.603610][ T5131] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 157.637896][ T5131] team0: Port device team_slave_0 added [ 157.646663][ T5131] team0: Port device team_slave_1 added [ 157.677824][ T5131] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 157.684974][ T5131] 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. [ 157.711517][ T5131] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 157.725985][ T5131] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 157.733073][ T5131] 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. [ 157.759054][ T5131] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 157.806137][ T5131] hsr_slave_0: entered promiscuous mode [ 157.812850][ T5131] hsr_slave_1: entered promiscuous mode [ 157.967442][ T5131] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 157.979958][ T5131] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 157.991494][ T5131] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 158.002486][ T5131] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 158.035738][ T5131] bridge0: port 2(bridge_slave_1) entered blocking state [ 158.043223][ T5131] bridge0: port 2(bridge_slave_1) entered forwarding state [ 158.051462][ T5131] bridge0: port 1(bridge_slave_0) entered blocking state [ 158.058736][ T5131] bridge0: port 1(bridge_slave_0) entered forwarding state [ 158.131685][ T5131] 8021q: adding VLAN 0 to HW filter on device bond0 [ 158.154929][ T784] bridge0: port 1(bridge_slave_0) entered disabled state [ 158.164979][ T784] bridge0: port 2(bridge_slave_1) entered disabled state [ 158.185195][ T5131] 8021q: adding VLAN 0 to HW filter on device team0 [ 158.199854][ T784] bridge0: port 1(bridge_slave_0) entered blocking state [ 158.207204][ T784] bridge0: port 1(bridge_slave_0) entered forwarding state [ 158.222216][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 158.229476][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 158.406847][ T5131] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 158.454530][ T5131] veth0_vlan: entered promiscuous mode [ 158.469689][ T5131] veth1_vlan: entered promiscuous mode [ 158.504427][ T5131] veth0_macvtap: entered promiscuous mode [ 158.521446][ T5131] veth1_macvtap: entered promiscuous mode [ 158.542122][ T5131] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 158.558052][ T5131] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 158.572527][ T5131] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.581477][ T5131] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.591108][ T5131] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.600664][ T5131] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 158.727161][ T5131] syz-executor (5131) used greatest stack depth: 18680 bytes left [ 158.748870][ T1004] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.832422][ T1004] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.911901][ T1004] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 158.998274][ T1004] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 159.087956][ T3671] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 159.100834][ T3671] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 159.135675][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 159.144382][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 159.909058][ T5173] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 159.917948][ T5173] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 159.925710][ T5173] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 159.935122][ T5173] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 159.943624][ T5173] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 159.951728][ T5173] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2024/06/28 01:36:21 executed programs: 0 [ 160.904623][ T5173] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 160.913645][ T5173] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 160.921849][ T5173] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 160.930461][ T5173] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 160.938379][ T5173] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 160.945793][ T5173] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 161.113422][ T5195] chnl_net:caif_netlink_parms(): no params data found [ 161.187266][ T5195] bridge0: port 1(bridge_slave_0) entered blocking state [ 161.194635][ T5195] bridge0: port 1(bridge_slave_0) entered disabled state [ 161.202356][ T5195] bridge_slave_0: entered allmulticast mode [ 161.210684][ T5195] bridge_slave_0: entered promiscuous mode [ 161.219150][ T5195] bridge0: port 2(bridge_slave_1) entered blocking state [ 161.226299][ T5195] bridge0: port 2(bridge_slave_1) entered disabled state [ 161.234107][ T5195] bridge_slave_1: entered allmulticast mode [ 161.242238][ T5195] bridge_slave_1: entered promiscuous mode [ 161.275554][ T5195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 161.289388][ T5195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 161.324930][ T5195] team0: Port device team_slave_0 added [ 161.333754][ T5195] team0: Port device team_slave_1 added [ 161.364434][ T5195] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 161.371714][ T5195] 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. [ 161.398232][ T5195] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 161.410832][ T5195] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 161.417807][ T5195] 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. [ 161.444850][ T5195] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 161.502903][ T5195] hsr_slave_0: entered promiscuous mode [ 161.510546][ T5195] hsr_slave_1: entered promiscuous mode [ 161.517110][ T5195] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 161.527499][ T5195] Cannot create hsr debugfs directory [ 162.989950][ T4487] Bluetooth: hci0: command tx timeout [ 163.797036][ T1004] bridge_slave_1: left allmulticast mode [ 163.807703][ T1004] bridge_slave_1: left promiscuous mode [ 163.817667][ T1004] bridge0: port 2(bridge_slave_1) entered disabled state [ 163.840321][ T1004] bridge_slave_0: left allmulticast mode [ 163.846130][ T1004] bridge_slave_0: left promiscuous mode [ 163.852300][ T1004] bridge0: port 1(bridge_slave_0) entered disabled state [ 164.107155][ T1004] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 164.120442][ T1004] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 164.130967][ T1004] bond0 (unregistering): Released all slaves [ 164.293418][ T1004] hsr_slave_0: left promiscuous mode [ 164.299929][ T1004] hsr_slave_1: left promiscuous mode [ 164.306922][ T1004] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 164.316250][ T1004] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 164.326100][ T1004] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 164.338520][ T1004] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 164.366577][ T1004] veth1_macvtap: left promiscuous mode [ 164.372768][ T1004] veth0_macvtap: left promiscuous mode [ 164.383133][ T1004] veth1_vlan: left promiscuous mode [ 164.389905][ T1004] veth0_vlan: left promiscuous mode [ 164.827480][ T1004] team0 (unregistering): Port device team_slave_1 removed [ 164.864099][ T1004] team0 (unregistering): Port device team_slave_0 removed [ 165.068530][ T4487] Bluetooth: hci0: command tx timeout [ 165.493014][ T5195] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 165.506336][ T5195] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 165.527619][ T5195] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 165.543367][ T5195] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 165.777830][ T5195] 8021q: adding VLAN 0 to HW filter on device bond0 [ 166.399156][ T5195] 8021q: adding VLAN 0 to HW filter on device team0 [ 166.424809][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 166.432481][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 166.455771][ T784] bridge0: port 2(bridge_slave_1) entered blocking state [ 166.463908][ T784] bridge0: port 2(bridge_slave_1) entered forwarding state [ 166.730637][ T5195] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.780617][ T5195] veth0_vlan: entered promiscuous mode [ 166.794907][ T5195] veth1_vlan: entered promiscuous mode [ 166.827225][ T5195] veth0_macvtap: entered promiscuous mode [ 166.843014][ T5195] veth1_macvtap: entered promiscuous mode [ 166.865163][ T5195] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 166.881117][ T5195] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 166.896747][ T5195] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 166.905721][ T5195] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 166.916130][ T5195] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 166.925579][ T5195] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 166.995166][ T3671] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 167.004698][ T3671] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 167.033850][ T62] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 2024/06/28 01:36:27 executed programs: 2 [ 167.043034][ T62] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 167.148528][ T4487] Bluetooth: hci0: command tx timeout [ 167.201701][ T3671] ================================================================== [ 167.209875][ T3671] BUG: KASAN: slab-use-after-free in l2tp_session_delete+0x128/0x9e0 [ 167.218025][ T3671] Read of size 8 at addr ffff88806d6be010 by task kworker/u8:7/3671 [ 167.226065][ T3671] [ 167.228431][ T3671] CPU: 1 PID: 3671 Comm: kworker/u8:7 Not tainted 6.10.0-rc4-syzkaller-00948-gcce346d44139 #0 [ 167.238820][ T3671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 167.248906][ T3671] Workqueue: l2tp l2tp_tunnel_del_work [ 167.254447][ T3671] Call Trace: [ 167.257759][ T3671] [ 167.260741][ T3671] dump_stack_lvl+0x241/0x360 [ 167.265468][ T3671] ? __pfx_dump_stack_lvl+0x10/0x10 [ 167.270715][ T3671] ? __pfx__printk+0x10/0x10 [ 167.275441][ T3671] ? _printk+0xd5/0x120 [ 167.279644][ T3671] ? __virt_addr_valid+0x183/0x520 [ 167.284804][ T3671] ? __virt_addr_valid+0x183/0x520 [ 167.290334][ T3671] print_report+0x169/0x550 [ 167.294977][ T3671] ? __virt_addr_valid+0x183/0x520 [ 167.300181][ T3671] ? __virt_addr_valid+0x183/0x520 [ 167.305521][ T3671] ? __virt_addr_valid+0x44e/0x520 [ 167.310803][ T3671] ? __phys_addr+0xba/0x170 [ 167.315369][ T3671] ? l2tp_session_delete+0x128/0x9e0 [ 167.320862][ T3671] kasan_report+0x143/0x180 [ 167.325511][ T3671] ? l2tp_session_delete+0x128/0x9e0 [ 167.330894][ T3671] l2tp_session_delete+0x128/0x9e0 [ 167.336171][ T3671] ? l2tp_tunnel_del_work+0x1d3/0x330 [ 167.341944][ T3671] l2tp_tunnel_del_work+0x1cb/0x330 [ 167.347230][ T3671] ? process_scheduled_works+0x945/0x1830 [ 167.353001][ T3671] process_scheduled_works+0xa2c/0x1830 [ 167.358698][ T3671] ? __pfx_process_scheduled_works+0x10/0x10 [ 167.364841][ T3671] ? assign_work+0x364/0x3d0 [ 167.369767][ T3671] worker_thread+0x86d/0xd70 [ 167.374693][ T3671] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 167.380810][ T3671] ? __kthread_parkme+0x169/0x1d0 [ 167.386014][ T3671] ? __pfx_worker_thread+0x10/0x10 [ 167.391448][ T3671] kthread+0x2f0/0x390 [ 167.396550][ T3671] ? __pfx_worker_thread+0x10/0x10 [ 167.401727][ T3671] ? __pfx_kthread+0x10/0x10 [ 167.406367][ T3671] ret_from_fork+0x4b/0x80 [ 167.410846][ T3671] ? __pfx_kthread+0x10/0x10 [ 167.415490][ T3671] ret_from_fork_asm+0x1a/0x30 [ 167.420321][ T3671] [ 167.423388][ T3671] [ 167.425747][ T3671] Allocated by task 5255: [ 167.430109][ T3671] kasan_save_track+0x3f/0x80 [ 167.435001][ T3671] __kasan_kmalloc+0x98/0xb0 [ 167.439807][ T3671] __kmalloc_noprof+0x1f9/0x400 [ 167.444808][ T3671] l2tp_session_create+0x3b/0xc20 [ 167.450171][ T3671] pppol2tp_connect+0xca3/0x17a0 [ 167.455352][ T3671] __sys_connect+0x2df/0x310 [ 167.460005][ T3671] __x64_sys_connect+0x7a/0x90 [ 167.464820][ T3671] do_syscall_64+0xf3/0x230 [ 167.469376][ T3671] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 167.475589][ T3671] [ 167.477953][ T3671] Freed by task 25: [ 167.481882][ T3671] kasan_save_track+0x3f/0x80 [ 167.486601][ T3671] kasan_save_free_info+0x40/0x50 [ 167.491729][ T3671] poison_slab_object+0xe0/0x150 [ 167.496709][ T3671] __kasan_slab_free+0x37/0x60 [ 167.501513][ T3671] kfree+0x149/0x360 [ 167.505466][ T3671] __sk_destruct+0x58/0x5f0 [ 167.510034][ T3671] rcu_core+0xafd/0x1830 [ 167.514312][ T3671] handle_softirqs+0x2c4/0x970 [ 167.519114][ T3671] run_ksoftirqd+0xca/0x130 [ 167.523885][ T3671] smpboot_thread_fn+0x544/0xa30 [ 167.528862][ T3671] kthread+0x2f0/0x390 [ 167.532968][ T3671] ret_from_fork+0x4b/0x80 [ 167.537419][ T3671] ret_from_fork_asm+0x1a/0x30 [ 167.542227][ T3671] [ 167.544577][ T3671] Last potentially related work creation: [ 167.550695][ T3671] kasan_save_stack+0x3f/0x60 [ 167.555415][ T3671] __kasan_record_aux_stack+0xac/0xc0 [ 167.560830][ T3671] call_rcu+0x167/0xa70 [ 167.565025][ T3671] pppol2tp_release+0x24b/0x350 [ 167.570002][ T3671] sock_close+0xbc/0x240 [ 167.574286][ T3671] __fput+0x406/0x8b0 [ 167.578561][ T3671] task_work_run+0x24f/0x310 [ 167.583307][ T3671] syscall_exit_to_user_mode+0x168/0x370 [ 167.589005][ T3671] do_syscall_64+0x100/0x230 [ 167.593675][ T3671] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 167.599713][ T3671] [ 167.602084][ T3671] The buggy address belongs to the object at ffff88806d6be000 [ 167.602084][ T3671] which belongs to the cache kmalloc-1k of size 1024 [ 167.616225][ T3671] The buggy address is located 16 bytes inside of [ 167.616225][ T3671] freed 1024-byte region [ffff88806d6be000, ffff88806d6be400) [ 167.630059][ T3671] [ 167.632407][ T3671] The buggy address belongs to the physical page: [ 167.638858][ T3671] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6d6b8 [ 167.647660][ T3671] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 167.656278][ T3671] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 167.664396][ T3671] page_type: 0xffffefff(slab) [ 167.669110][ T3671] raw: 00fff00000000040 ffff888015041dc0 dead000000000122 0000000000000000 [ 167.677901][ T3671] raw: 0000000000000000 0000000000100010 00000001ffffefff 0000000000000000 [ 167.686836][ T3671] head: 00fff00000000040 ffff888015041dc0 dead000000000122 0000000000000000 [ 167.695637][ T3671] head: 0000000000000000 0000000000100010 00000001ffffefff 0000000000000000 [ 167.704447][ T3671] head: 00fff00000000003 ffffea0001b5ae01 ffffffffffffffff 0000000000000000 [ 167.713595][ T3671] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 167.722486][ T3671] page dumped because: kasan: bad access detected [ 167.729725][ T3671] page_owner tracks the page as allocated [ 167.735923][ T3671] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5195, tgid 5195 (syz-executor), ts 167068052439, free_ts 167061567274 [ 167.760039][ T3671] post_alloc_hook+0x1f3/0x230 [ 167.764839][ T3671] get_page_from_freelist+0x2e43/0x2f00 [ 167.770560][ T3671] __alloc_pages_noprof+0x256/0x6c0 [ 167.775821][ T3671] alloc_slab_page+0x5f/0x120 [ 167.780550][ T3671] allocate_slab+0x5a/0x2f0 [ 167.785103][ T3671] ___slab_alloc+0xcd1/0x14b0 [ 167.790171][ T3671] __slab_alloc+0x58/0xa0 [ 167.794640][ T3671] __kmalloc_noprof+0x257/0x400 [ 167.799543][ T3671] ipt_alloc_initial_table+0x70/0x5b0 [ 167.805099][ T3671] iptable_security_table_init+0x1c/0x70 [ 167.810778][ T3671] xt_find_table_lock+0x2d4/0x3b0 [ 167.815948][ T3671] xt_request_find_table_lock+0x26/0x100 [ 167.821738][ T3671] do_ipt_get_ctl+0x89e/0x1810 [ 167.826649][ T3671] nf_getsockopt+0x299/0x2c0 [ 167.831322][ T3671] ip_getsockopt+0x222/0x2e0 [ 167.836125][ T3671] tcp_getsockopt+0x163/0x1c0 [ 167.840852][ T3671] page last free pid 1004 tgid 1004 stack trace: [ 167.847211][ T3671] free_unref_page+0xd22/0xea0 [ 167.852026][ T3671] __folio_put+0x3b9/0x620 [ 167.856499][ T3671] free_large_kmalloc+0x105/0x1c0 [ 167.861565][ T3671] kfree+0x1c4/0x360 [ 167.865554][ T3671] rhashtable_free_and_destroy+0x7c6/0x920 [ 167.871622][ T3671] ila_xlat_exit_net+0x55/0x110 [ 167.876531][ T3671] cleanup_net+0x802/0xcc0 [ 167.881005][ T3671] process_scheduled_works+0xa2c/0x1830 [ 167.886684][ T3671] worker_thread+0x86d/0xd70 [ 167.891494][ T3671] kthread+0x2f0/0x390 [ 167.895610][ T3671] ret_from_fork+0x4b/0x80 [ 167.900109][ T3671] ret_from_fork_asm+0x1a/0x30 [ 167.904923][ T3671] [ 167.907272][ T3671] Memory state around the buggy address: [ 167.912939][ T3671] ffff88806d6bdf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 167.921157][ T3671] ffff88806d6bdf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 167.929274][ T3671] >ffff88806d6be000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 167.937457][ T3671] ^ [ 167.942098][ T3671] ffff88806d6be080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 167.950373][ T3671] ffff88806d6be100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 167.958559][ T3671] ================================================================== [ 167.979719][ T3671] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 167.986976][ T3671] CPU: 1 PID: 3671 Comm: kworker/u8:7 Not tainted 6.10.0-rc4-syzkaller-00948-gcce346d44139 #0 [ 167.997425][ T3671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 168.007535][ T3671] Workqueue: l2tp l2tp_tunnel_del_work [ 168.013058][ T3671] Call Trace: [ 168.016369][ T3671] [ 168.019417][ T3671] dump_stack_lvl+0x241/0x360 [ 168.024144][ T3671] ? __pfx_dump_stack_lvl+0x10/0x10 [ 168.029386][ T3671] ? __pfx__printk+0x10/0x10 [ 168.034082][ T3671] ? preempt_schedule+0xe1/0xf0 [ 168.038974][ T3671] ? vscnprintf+0x5d/0x90 [ 168.043355][ T3671] panic+0x349/0x860 [ 168.047296][ T3671] ? check_panic_on_warn+0x21/0xb0 [ 168.052443][ T3671] ? __pfx_panic+0x10/0x10 [ 168.056895][ T3671] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 168.062911][ T3671] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 168.069361][ T3671] ? print_report+0x502/0x550 [ 168.074178][ T3671] check_panic_on_warn+0x86/0xb0 [ 168.079162][ T3671] ? l2tp_session_delete+0x128/0x9e0 [ 168.084499][ T3671] end_report+0x77/0x160 [ 168.088796][ T3671] kasan_report+0x154/0x180 [ 168.093449][ T3671] ? l2tp_session_delete+0x128/0x9e0 [ 168.098801][ T3671] l2tp_session_delete+0x128/0x9e0 [ 168.104215][ T3671] ? l2tp_tunnel_del_work+0x1d3/0x330 [ 168.109613][ T3671] l2tp_tunnel_del_work+0x1cb/0x330 [ 168.116616][ T3671] ? process_scheduled_works+0x945/0x1830 [ 168.122455][ T3671] process_scheduled_works+0xa2c/0x1830 [ 168.128110][ T3671] ? __pfx_process_scheduled_works+0x10/0x10 [ 168.134101][ T3671] ? assign_work+0x364/0x3d0 [ 168.138724][ T3671] worker_thread+0x86d/0xd70 [ 168.143464][ T3671] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 168.149392][ T3671] ? __kthread_parkme+0x169/0x1d0 [ 168.154457][ T3671] ? __pfx_worker_thread+0x10/0x10 [ 168.159675][ T3671] kthread+0x2f0/0x390 [ 168.163963][ T3671] ? __pfx_worker_thread+0x10/0x10 [ 168.169123][ T3671] ? __pfx_kthread+0x10/0x10 [ 168.173859][ T3671] ret_from_fork+0x4b/0x80 [ 168.178335][ T3671] ? __pfx_kthread+0x10/0x10 [ 168.183061][ T3671] ret_from_fork_asm+0x1a/0x30 [ 168.187897][ T3671] [ 168.191065][ T3671] Kernel Offset: disabled [ 168.195417][ T3671] Rebooting in 86400 seconds..