Warning: Permanently added '10.128.1.178' (ED25519) to the list of known hosts. 2025/09/09 03:59:34 parsed 1 programs [ 78.390109][ T5874] cgroup: Unknown subsys name 'net' [ 78.557465][ T5874] cgroup: Unknown subsys name 'cpuset' [ 78.566822][ T5874] cgroup: Unknown subsys name 'rlimit' [ 80.021376][ T5874] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 82.964751][ T5888] 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. [ 83.234287][ T5893] chnl_net:caif_netlink_parms(): no params data found [ 83.315450][ T5893] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.323558][ T5893] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.331047][ T5893] bridge_slave_0: entered allmulticast mode [ 83.338656][ T5893] bridge_slave_0: entered promiscuous mode [ 83.348102][ T5893] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.356137][ T5893] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.363348][ T5893] bridge_slave_1: entered allmulticast mode [ 83.370939][ T5893] bridge_slave_1: entered promiscuous mode [ 83.406107][ T5893] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.417480][ T5893] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.450173][ T5893] team0: Port device team_slave_0 added [ 83.458913][ T5893] team0: Port device team_slave_1 added [ 83.491058][ T5893] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 83.498383][ T5893] 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. [ 83.527662][ T5893] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 83.540553][ T5893] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 83.547697][ T5893] 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. [ 83.573703][ T5893] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.613912][ T5893] hsr_slave_0: entered promiscuous mode [ 83.620205][ T5893] hsr_slave_1: entered promiscuous mode [ 83.751285][ T5893] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.764765][ T5893] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.775164][ T5893] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.785930][ T5893] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.819006][ T5893] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.826605][ T5893] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.834808][ T5893] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.842387][ T5893] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.898244][ T5893] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.916820][ T1004] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.926829][ T1004] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.942806][ T5893] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.957038][ T1150] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.964315][ T1150] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.989686][ T1150] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.996837][ T1150] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.147455][ T5893] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.191299][ T5893] veth0_vlan: entered promiscuous mode [ 84.202089][ T5893] veth1_vlan: entered promiscuous mode [ 84.230880][ T5893] veth0_macvtap: entered promiscuous mode [ 84.240623][ T5893] veth1_macvtap: entered promiscuous mode [ 84.258687][ T5893] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 84.272992][ T5893] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 84.293009][ T1150] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.302892][ T1150] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.312942][ T1150] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.327098][ T1150] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 84.437470][ T1004] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.506778][ T1004] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.590881][ T1004] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.675196][ T1004] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.739116][ T1155] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.747288][ T1155] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.779128][ T1150] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.788221][ T1150] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.721649][ T5944] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 85.734632][ T5944] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 85.742930][ T5944] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 85.753903][ T5944] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 85.762216][ T5944] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.928167][ T920] cfg80211: failed to load regulatory.db [ 87.196649][ T1004] bridge_slave_1: left allmulticast mode [ 87.202435][ T1004] bridge_slave_1: left promiscuous mode [ 87.215939][ T1004] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.228733][ T1004] bridge_slave_0: left allmulticast mode [ 87.235774][ T1004] bridge_slave_0: left promiscuous mode [ 87.242090][ T1004] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.527593][ T1004] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 87.538907][ T1004] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 87.549645][ T1004] bond0 (unregistering): Released all slaves [ 87.657008][ T1004] hsr_slave_0: left promiscuous mode [ 87.681563][ T1004] hsr_slave_1: left promiscuous mode [ 87.700232][ T1004] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 87.723903][ T1004] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 87.743098][ T1004] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 87.764032][ T1004] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 87.787629][ T1004] veth1_macvtap: left promiscuous mode [ 87.801000][ T1004] veth0_macvtap: left promiscuous mode [ 87.812296][ T1004] veth1_vlan: left promiscuous mode [ 87.818928][ T1004] veth0_vlan: left promiscuous mode 2025/09/09 03:59:46 executed programs: 0 [ 88.441498][ T5944] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 88.455331][ T5944] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 88.466841][ T5944] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 88.477449][ T5944] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 88.486522][ T5944] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 88.570851][ T1004] team0 (unregistering): Port device team_slave_1 removed [ 88.598948][ T1004] team0 (unregistering): Port device team_slave_0 removed [ 89.180810][ T5999] chnl_net:caif_netlink_parms(): no params data found [ 89.345600][ T5999] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.352831][ T5999] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.361055][ T5999] bridge_slave_0: entered allmulticast mode [ 89.372326][ T5999] bridge_slave_0: entered promiscuous mode [ 89.381810][ T5999] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.389190][ T5999] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.396667][ T5999] bridge_slave_1: entered allmulticast mode [ 89.403985][ T5999] bridge_slave_1: entered promiscuous mode [ 89.770774][ T5999] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.786606][ T5999] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.852940][ T5999] team0: Port device team_slave_0 added [ 89.861573][ T5999] team0: Port device team_slave_1 added [ 89.933303][ T5999] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 89.952340][ T5999] 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. [ 89.982776][ T5999] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 89.996796][ T5999] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.007138][ T5999] 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. [ 90.037579][ T5999] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 90.270612][ T5999] hsr_slave_0: entered promiscuous mode [ 90.291275][ T5999] hsr_slave_1: entered promiscuous mode [ 90.526698][ T5190] Bluetooth: hci0: command tx timeout [ 91.069628][ T5999] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.084209][ T5999] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.096923][ T5999] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.109359][ T5999] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.233431][ T5999] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.262712][ T5999] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.281184][ T1155] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.288586][ T1155] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.306315][ T1004] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.313775][ T1004] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.571849][ T5999] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.646916][ T5999] veth0_vlan: entered promiscuous mode [ 91.662180][ T5999] veth1_vlan: entered promiscuous mode [ 91.702151][ T5999] veth0_macvtap: entered promiscuous mode [ 91.715380][ T5999] veth1_macvtap: entered promiscuous mode [ 91.742254][ T5999] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.761737][ T5999] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.779215][ T1004] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.798040][ T1004] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.808612][ T1004] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.828726][ T1004] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.910526][ T1004] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.935589][ T1004] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.979885][ T3524] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.990585][ T3524] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.061571][ T6079] syz.0.17 uses obsolete (PF_INET,SOCK_PACKET) [ 92.073009][ T6079] ================================================================== [ 92.081111][ T6079] BUG: KASAN: slab-use-after-free in napi_gro_frags+0x6e/0x1030 [ 92.088906][ T6079] Read of size 8 at addr ffff88802ef22c18 by task syz.0.17/6079 [ 92.096677][ T6079] [ 92.099060][ T6079] CPU: 0 UID: 0 PID: 6079 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 92.099088][ T6079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 92.099107][ T6079] Call Trace: [ 92.099114][ T6079] [ 92.099123][ T6079] dump_stack_lvl+0x189/0x250 [ 92.099145][ T6079] ? rcu_is_watching+0x15/0xb0 [ 92.099161][ T6079] ? __kasan_check_byte+0x12/0x40 [ 92.099183][ T6079] ? __pfx_dump_stack_lvl+0x10/0x10 [ 92.099200][ T6079] ? rcu_is_watching+0x15/0xb0 [ 92.099216][ T6079] ? lock_release+0x4b/0x3e0 [ 92.099240][ T6079] ? __virt_addr_valid+0x1c8/0x5c0 [ 92.099260][ T6079] ? __virt_addr_valid+0x4a5/0x5c0 [ 92.099280][ T6079] print_report+0xca/0x240 [ 92.099296][ T6079] ? napi_gro_frags+0x6e/0x1030 [ 92.099312][ T6079] kasan_report+0x118/0x150 [ 92.099334][ T6079] ? napi_gro_frags+0x6e/0x1030 [ 92.099352][ T6079] ? tun_get_user+0x266c/0x3e20 [ 92.099370][ T6079] napi_gro_frags+0x6e/0x1030 [ 92.099385][ T6079] ? __pfx_napi_schedule_prep+0x10/0x10 [ 92.099411][ T6079] ? tun_get_user+0x266c/0x3e20 [ 92.099426][ T6079] tun_get_user+0x28cb/0x3e20 [ 92.099448][ T6079] ? tun_get_user+0x266c/0x3e20 [ 92.099466][ T6079] ? aa_file_perm+0x44d/0x1550 [ 92.099484][ T6079] ? __pfx_tun_get_user+0x10/0x10 [ 92.099501][ T6079] ? __lock_acquire+0xab9/0xd20 [ 92.099527][ T6079] ? ref_tracker_alloc+0x318/0x460 [ 92.099547][ T6079] ? __lock_acquire+0xab9/0xd20 [ 92.099569][ T6079] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 92.099592][ T6079] ? tun_get+0x1c/0x2f0 [ 92.099610][ T6079] ? tun_get+0x1c/0x2f0 [ 92.099625][ T6079] ? tun_get+0x1c/0x2f0 [ 92.099642][ T6079] tun_chr_write_iter+0x113/0x200 [ 92.099660][ T6079] vfs_write+0x5c9/0xb30 [ 92.099682][ T6079] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 92.099699][ T6079] ? __pfx_vfs_write+0x10/0x10 [ 92.099719][ T6079] ? __pfx_do_futex+0x10/0x10 [ 92.099745][ T6079] ksys_write+0x145/0x250 [ 92.099766][ T6079] ? __pfx_ksys_write+0x10/0x10 [ 92.099787][ T6079] ? do_syscall_64+0xbe/0x3b0 [ 92.099807][ T6079] do_syscall_64+0xfa/0x3b0 [ 92.099823][ T6079] ? lockdep_hardirqs_on+0x9c/0x150 [ 92.099839][ T6079] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.099855][ T6079] ? clear_bhb_loop+0x60/0xb0 [ 92.099873][ T6079] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.099889][ T6079] RIP: 0033:0x7f2f9b98ebe9 [ 92.099910][ T6079] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 92.099924][ T6079] RSP: 002b:00007fffe90190e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.099946][ T6079] RAX: ffffffffffffffda RBX: 00007f2f9bbc5fa0 RCX: 00007f2f9b98ebe9 [ 92.099959][ T6079] RDX: 000000000000004b RSI: 0000200000000340 RDI: 0000000000000003 [ 92.099970][ T6079] RBP: 00007f2f9ba11e19 R08: 0000000000000000 R09: 0000000000000000 [ 92.099980][ T6079] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 92.099990][ T6079] R13: 00007f2f9bbc5fa0 R14: 00007f2f9bbc5fa0 R15: 0000000000000003 [ 92.100009][ T6079] [ 92.100016][ T6079] [ 92.401643][ T6079] Allocated by task 6079: [ 92.405980][ T6079] kasan_save_track+0x3e/0x80 [ 92.410670][ T6079] __kasan_mempool_unpoison_object+0xa0/0x170 [ 92.416835][ T6079] napi_skb_cache_get+0x37b/0x6d0 [ 92.421869][ T6079] __alloc_skb+0x11e/0x2d0 [ 92.426289][ T6079] napi_alloc_skb+0x84/0x7d0 [ 92.430887][ T6079] napi_get_frags+0x69/0x140 [ 92.435483][ T6079] tun_get_user+0x77c/0x3e20 [ 92.440075][ T6079] tun_chr_write_iter+0x113/0x200 [ 92.445099][ T6079] vfs_write+0x5c9/0xb30 [ 92.449352][ T6079] ksys_write+0x145/0x250 [ 92.453778][ T6079] do_syscall_64+0xfa/0x3b0 [ 92.458296][ T6079] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.464189][ T6079] [ 92.466511][ T6079] Freed by task 6079: [ 92.470490][ T6079] kasan_save_track+0x3e/0x80 [ 92.475192][ T6079] kasan_save_free_info+0x46/0x50 [ 92.480222][ T6079] __kasan_slab_free+0x5b/0x80 [ 92.485080][ T6079] kmem_cache_free+0x18f/0x400 [ 92.489852][ T6079] skb_pp_cow_data+0xdd8/0x13e0 [ 92.494712][ T6079] do_xdp_generic+0x699/0x11a0 [ 92.499493][ T6079] tun_get_user+0x2523/0x3e20 [ 92.504264][ T6079] tun_chr_write_iter+0x113/0x200 [ 92.509292][ T6079] vfs_write+0x5c9/0xb30 [ 92.513541][ T6079] ksys_write+0x145/0x250 [ 92.517880][ T6079] do_syscall_64+0xfa/0x3b0 [ 92.522482][ T6079] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.528421][ T6079] [ 92.530756][ T6079] The buggy address belongs to the object at ffff88802ef22b40 [ 92.530756][ T6079] which belongs to the cache skbuff_head_cache of size 240 [ 92.545346][ T6079] The buggy address is located 216 bytes inside of [ 92.545346][ T6079] freed 240-byte region [ffff88802ef22b40, ffff88802ef22c30) [ 92.559166][ T6079] [ 92.561490][ T6079] The buggy address belongs to the physical page: [ 92.567922][ T6079] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2ef22 [ 92.576697][ T6079] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 92.583817][ T6079] page_type: f5(slab) [ 92.587795][ T6079] raw: 00fff00000000000 ffff88801e29ca00 ffffea0000a31b80 dead000000000004 [ 92.596450][ T6079] raw: 0000000000000000 00000000000c000c 00000000f5000000 0000000000000000 [ 92.605021][ T6079] page dumped because: kasan: bad access detected [ 92.611434][ T6079] page_owner tracks the page as allocated [ 92.617133][ T6079] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 19816261324, free_ts 18915708978 [ 92.635615][ T6079] post_alloc_hook+0x240/0x2a0 [ 92.640380][ T6079] get_page_from_freelist+0x21e4/0x22c0 [ 92.645911][ T6079] __alloc_frozen_pages_noprof+0x181/0x370 [ 92.651701][ T6079] alloc_pages_mpol+0x232/0x4a0 [ 92.656562][ T6079] allocate_slab+0x8a/0x370 [ 92.661049][ T6079] ___slab_alloc+0xbeb/0x1420 [ 92.665976][ T6079] kmem_cache_alloc_node_noprof+0x280/0x3c0 [ 92.671896][ T6079] __alloc_skb+0x112/0x2d0 [ 92.676297][ T6079] rtmsg_ifinfo_build_skb+0x84/0x260 [ 92.681569][ T6079] rtmsg_ifinfo+0x8c/0x1a0 [ 92.685972][ T6079] register_netdevice+0x1712/0x1ae0 [ 92.691157][ T6079] register_netdev+0x40/0x60 [ 92.695745][ T6079] nr_proto_init+0x145/0x710 [ 92.700432][ T6079] do_one_initcall+0x233/0x820 [ 92.705275][ T6079] do_initcall_level+0x104/0x190 [ 92.710221][ T6079] do_initcalls+0x59/0xa0 [ 92.714563][ T6079] page last free pid 920 tgid 920 stack trace: [ 92.720736][ T6079] __free_frozen_pages+0xbc4/0xd30 [ 92.725946][ T6079] vfree+0x25a/0x400 [ 92.729849][ T6079] delayed_vfree_work+0x55/0x80 [ 92.734696][ T6079] process_scheduled_works+0xae1/0x17b0 [ 92.740228][ T6079] worker_thread+0x8a0/0xda0 [ 92.744822][ T6079] kthread+0x70e/0x8a0 [ 92.748873][ T6079] ret_from_fork+0x3fc/0x770 [ 92.753447][ T6079] ret_from_fork_asm+0x1a/0x30 [ 92.758986][ T6079] [ 92.761300][ T6079] Memory state around the buggy address: [ 92.766911][ T6079] ffff88802ef22b00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 92.774953][ T6079] ffff88802ef22b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 92.782998][ T6079] >ffff88802ef22c00: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc [ 92.791041][ T6079] ^ [ 92.795868][ T6079] ffff88802ef22c80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 92.803925][ T6079] ffff88802ef22d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc [ 92.811961][ T6079] ================================================================== [ 92.820161][ T6079] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 92.827392][ T6079] CPU: 0 UID: 0 PID: 6079 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 92.836506][ T6079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 92.846570][ T6079] Call Trace: [ 92.849872][ T6079] [ 92.852816][ T6079] dump_stack_lvl+0x99/0x250 [ 92.857426][ T6079] ? __asan_memcpy+0x40/0x70 [ 92.862039][ T6079] ? __pfx_dump_stack_lvl+0x10/0x10 [ 92.867247][ T6079] ? __pfx__printk+0x10/0x10 [ 92.871909][ T6079] vpanic+0x281/0x750 [ 92.875905][ T6079] ? __pfx_vpanic+0x10/0x10 [ 92.880417][ T6079] ? irqentry_exit+0x74/0x90 [ 92.885035][ T6079] panic+0xb9/0xc0 [ 92.889374][ T6079] ? __pfx_panic+0x10/0x10 [ 92.893902][ T6079] ? _raw_spin_unlock_irqrestore+0xa8/0x110 [ 92.899812][ T6079] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 92.905902][ T6079] ? napi_gro_frags+0x6e/0x1030 [ 92.910761][ T6079] check_panic_on_warn+0x89/0xb0 [ 92.915745][ T6079] ? napi_gro_frags+0x6e/0x1030 [ 92.920607][ T6079] end_report+0x78/0x160 [ 92.924866][ T6079] kasan_report+0x129/0x150 [ 92.929380][ T6079] ? napi_gro_frags+0x6e/0x1030 [ 92.934243][ T6079] ? tun_get_user+0x266c/0x3e20 [ 92.939110][ T6079] napi_gro_frags+0x6e/0x1030 [ 92.943971][ T6079] ? __pfx_napi_schedule_prep+0x10/0x10 [ 92.949541][ T6079] ? tun_get_user+0x266c/0x3e20 [ 92.954404][ T6079] tun_get_user+0x28cb/0x3e20 [ 92.959092][ T6079] ? tun_get_user+0x266c/0x3e20 [ 92.963960][ T6079] ? aa_file_perm+0x44d/0x1550 [ 92.968784][ T6079] ? __pfx_tun_get_user+0x10/0x10 [ 92.973922][ T6079] ? __lock_acquire+0xab9/0xd20 [ 92.979231][ T6079] ? ref_tracker_alloc+0x318/0x460 [ 92.984355][ T6079] ? __lock_acquire+0xab9/0xd20 [ 92.989242][ T6079] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 92.994983][ T6079] ? tun_get+0x1c/0x2f0 [ 92.999248][ T6079] ? tun_get+0x1c/0x2f0 [ 93.003425][ T6079] ? tun_get+0x1c/0x2f0 [ 93.007589][ T6079] tun_chr_write_iter+0x113/0x200 [ 93.012725][ T6079] vfs_write+0x5c9/0xb30 [ 93.017432][ T6079] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 93.023084][ T6079] ? __pfx_vfs_write+0x10/0x10 [ 93.027900][ T6079] ? __pfx_do_futex+0x10/0x10 [ 93.032680][ T6079] ksys_write+0x145/0x250 [ 93.037022][ T6079] ? __pfx_ksys_write+0x10/0x10 [ 93.041910][ T6079] ? do_syscall_64+0xbe/0x3b0 [ 93.046595][ T6079] do_syscall_64+0xfa/0x3b0 [ 93.051108][ T6079] ? lockdep_hardirqs_on+0x9c/0x150 [ 93.056401][ T6079] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.062478][ T6079] ? clear_bhb_loop+0x60/0xb0 [ 93.067165][ T6079] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.073069][ T6079] RIP: 0033:0x7f2f9b98ebe9 [ 93.077497][ T6079] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 93.097192][ T6079] RSP: 002b:00007fffe90190e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 93.105618][ T6079] RAX: ffffffffffffffda RBX: 00007f2f9bbc5fa0 RCX: 00007f2f9b98ebe9 [ 93.113600][ T6079] RDX: 000000000000004b RSI: 0000200000000340 RDI: 0000000000000003 [ 93.121585][ T6079] RBP: 00007f2f9ba11e19 R08: 0000000000000000 R09: 0000000000000000 [ 93.129625][ T6079] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 93.137609][ T6079] R13: 00007f2f9bbc5fa0 R14: 00007f2f9bbc5fa0 R15: 0000000000000003 [ 93.145600][ T6079] [ 93.149006][ T6079] Kernel Offset: disabled [ 93.153322][ T6079] Rebooting in 86400 seconds..