Warning: Permanently added '10.128.0.170' (ED25519) to the list of known hosts. 2026/08/14 00:16:42 parsed 1 programs 2026/08/14 00:16:42 serving rpc on tcp://44705 [ 84.833341][ T5626] cgroup: Unknown subsys name 'net' [ 84.942833][ T5626] cgroup: Unknown subsys name 'cpuset' [ 84.953269][ T5626] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 86.665179][ T5626] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 89.599767][ T5639] 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. [ 89.618944][ T5639] ebtables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 89.633733][ T5639] arp_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 89.647959][ T5639] ip_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 89.664872][ T5639] ip6_tables: xtables 32bit compat interface no longer supported in namespaces and will be removed soon. [ 90.775418][ T5661] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.783626][ T5661] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.791410][ T5661] bridge_slave_0: entered allmulticast mode [ 90.798709][ T5661] bridge_slave_0: entered promiscuous mode [ 90.808827][ T5661] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.816111][ T5661] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.823416][ T5661] bridge_slave_1: entered allmulticast mode [ 90.830727][ T5661] bridge_slave_1: entered promiscuous mode [ 90.859737][ T5661] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.871659][ T5661] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.901889][ T5661] team0: Port device team_slave_0 added [ 90.910056][ T5661] team0: Port device team_slave_1 added [ 90.936855][ T5661] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.944164][ T5661] 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 1532 would solve the problem. [ 90.970717][ T5661] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.983739][ T5661] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.991020][ T5661] 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 1532 would solve the problem. [ 91.016965][ T5661] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 91.064970][ T5661] hsr_slave_0: entered promiscuous mode [ 91.072121][ T5661] hsr_slave_1: entered promiscuous mode [ 91.220397][ T5661] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.234219][ T5661] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 91.242370][ T5661] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.252696][ T5661] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 91.262587][ T5661] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.272025][ T5661] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 91.281539][ T5661] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.292155][ T5661] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 91.321930][ T5661] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.329443][ T5661] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.337210][ T5661] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.344393][ T5661] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.357593][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.367008][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.422349][ T5661] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.446159][ T5661] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.460593][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.467732][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.482289][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.489520][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.826201][ T983] cfg80211: failed to load regulatory.db [ 91.834672][ T5661] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.886705][ T5661] veth0_vlan: entered promiscuous mode [ 91.901194][ T5661] veth1_vlan: entered promiscuous mode [ 91.930650][ T5661] veth0_macvtap: entered promiscuous mode [ 91.941129][ T5661] veth1_macvtap: entered promiscuous mode [ 91.961318][ T5661] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.977593][ T5661] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.992618][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.003302][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.049883][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.059024][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 92.189915][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 92.198675][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 92.203651][ T253] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.218391][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 92.228218][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 92.236896][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.275803][ T253] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.342709][ T253] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.428703][ T253] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 92.732168][ T3339] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.740844][ T3339] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.778192][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.787178][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.690408][ T253] bridge_slave_1: left allmulticast mode [ 94.698748][ T253] bridge_slave_1: left promiscuous mode [ 94.705651][ T253] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.720932][ T253] bridge_slave_0: left allmulticast mode [ 94.726650][ T253] bridge_slave_0: left promiscuous mode [ 94.732857][ T253] bridge0: port 1(bridge_slave_0) entered disabled state 2026/08/14 00:16:55 executed programs: 0 [ 94.845040][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 94.855895][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 94.864858][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 94.875996][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 94.884058][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 94.961642][ T253] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 94.983632][ T253] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 94.994067][ T253] bond0 (unregistering): Released all slaves [ 95.125178][ T253] hsr_slave_0: left promiscuous mode [ 95.138623][ T253] hsr_slave_1: left promiscuous mode [ 95.145003][ T253] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 95.152970][ T253] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 95.161507][ T253] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 95.168962][ T253] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 95.189970][ T253] veth1_macvtap: left promiscuous mode [ 95.209411][ T253] veth0_macvtap: left promiscuous mode [ 95.215115][ T253] veth1_vlan: left promiscuous mode [ 95.222946][ T253] veth0_vlan: left promiscuous mode [ 95.615586][ T253] team0 (unregistering): Port device team_slave_1 removed [ 95.677340][ T253] team0 (unregistering): Port device team_slave_0 removed [ 95.845531][ T5276] 8021q: adding VLAN 0 to HW filter on device eth1 [ 96.415506][ T5276] 8021q: adding VLAN 0 to HW filter on device eth2 [ 96.459013][ T5749] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.467064][ T5749] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.474634][ T5749] bridge_slave_0: entered allmulticast mode [ 96.482394][ T5749] bridge_slave_0: entered promiscuous mode [ 96.491209][ T5749] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.498458][ T5749] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.506084][ T5749] bridge_slave_1: entered allmulticast mode [ 96.515050][ T5749] bridge_slave_1: entered promiscuous mode [ 96.553706][ T5749] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.905958][ T5749] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.940196][ T50] Bluetooth: hci0: command tx timeout [ 97.008724][ T5749] team0: Port device team_slave_0 added [ 97.019178][ T5749] team0: Port device team_slave_1 added [ 97.081758][ T5749] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.089063][ T5749] 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 1532 would solve the problem. [ 97.116073][ T5749] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.143780][ T5749] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.150944][ T5749] 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 1532 would solve the problem. [ 97.181658][ T5749] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.378815][ T5749] hsr_slave_0: entered promiscuous mode [ 97.385614][ T5749] hsr_slave_1: entered promiscuous mode [ 97.639076][ T5276] 8021q: adding VLAN 0 to HW filter on device eth3 [ 98.113870][ T5749] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.128557][ T5749] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 98.137406][ T5749] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.150927][ T5749] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 98.160727][ T5749] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.173661][ T5749] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 98.182154][ T5749] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.193334][ T5749] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 98.312512][ T5749] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.340094][ T5749] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.354263][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.361753][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.381161][ T3339] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.388364][ T3339] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.898869][ T5749] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.957640][ T5749] veth0_vlan: entered promiscuous mode [ 98.973043][ T5749] veth1_vlan: entered promiscuous mode [ 99.015304][ T5749] veth0_macvtap: entered promiscuous mode [ 99.027118][ T5749] veth1_macvtap: entered promiscuous mode [ 99.035021][ T50] Bluetooth: hci0: command tx timeout [ 99.056423][ T5749] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.076008][ T5749] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.150213][ T253] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.171318][ T253] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.219625][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.228551][ T253] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.246645][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.256616][ T253] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.306659][ T253] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.315793][ T253] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.528272][ T5871] ================================================================== [ 99.536409][ T5871] BUG: KASAN: slab-use-after-free in dvb_device_open+0xc4/0x340 [ 99.544092][ T5871] Read of size 8 at addr ffff88802b83ae18 by task syz.0.19/5871 [ 99.551736][ T5871] [ 99.554087][ T5871] CPU: 0 UID: 0 PID: 5871 Comm: syz.0.19 Not tainted syzkaller #0 PREEMPT(full) [ 99.554106][ T5871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 99.554123][ T5871] Call Trace: [ 99.554130][ T5871] [ 99.554136][ T5871] dump_stack_lvl+0xe8/0x150 [ 99.554162][ T5871] print_address_description+0x55/0x1e0 [ 99.554184][ T5871] ? dvb_device_open+0xc4/0x340 [ 99.554203][ T5871] print_report+0x58/0x70 [ 99.554222][ T5871] kasan_report+0x117/0x150 [ 99.554245][ T5871] ? dvb_device_open+0xc4/0x340 [ 99.554265][ T5871] dvb_device_open+0xc4/0x340 [ 99.554282][ T5871] ? do_raw_spin_unlock+0xf5/0x210 [ 99.554301][ T5871] chrdev_open+0x4d9/0x600 [ 99.554318][ T5871] ? __pfx_chrdev_open+0x10/0x10 [ 99.554334][ T5871] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 99.554362][ T5871] ? __pfx_chrdev_open+0x10/0x10 [ 99.554377][ T5871] do_dentry_open+0x816/0x1380 [ 99.554401][ T5871] vfs_open+0x3b/0x340 [ 99.554417][ T5871] ? path_openat+0x2e2d/0x3830 [ 99.554442][ T5871] path_openat+0x2e44/0x3830 [ 99.554467][ T5871] ? kasan_save_track+0x3e/0x80 [ 99.554487][ T5871] ? do_sys_openat2+0xcc/0x200 [ 99.554505][ T5871] ? asm_int80_emulation+0x1a/0x20 [ 99.554530][ T5871] do_file_open+0x23e/0x4a0 [ 99.554555][ T5871] ? __pfx_do_file_open+0x10/0x10 [ 99.554587][ T5871] ? _raw_spin_unlock+0x28/0x50 [ 99.554606][ T5871] ? alloc_fd+0x651/0x6c0 [ 99.554628][ T5871] do_sys_openat2+0x115/0x200 [ 99.554649][ T5871] ? __pfx_do_sys_openat2+0x10/0x10 [ 99.554668][ T5871] ? __ia32_compat_sys_rt_sigreturn+0x237/0x270 [ 99.554698][ T5871] ? __task_pid_nr_ns+0x28/0x470 [ 99.554733][ T5871] ? __pfx___ia32_compat_sys_rt_sigreturn+0x10/0x10 [ 99.554758][ T5871] __ia32_compat_sys_openat+0x131/0x160 [ 99.554780][ T5871] do_int80_emulation+0x19a/0x550 [ 99.554803][ T5871] ? asm_int80_emulation+0x1a/0x20 [ 99.554817][ T5871] ? clear_bhb_loop+0x70/0xc0 [ 99.554833][ T5871] ? clear_bhb_loop+0x70/0xc0 [ 99.554850][ T5871] asm_int80_emulation+0x1a/0x20 [ 99.554864][ T5871] RIP: 0023:0xf71774eb [ 99.554883][ T5871] Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53 [ 99.554896][ T5871] RSP: 002b:00000000ffe5db7c EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 99.554915][ T5871] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000ffe5dc40 [ 99.554927][ T5871] RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 [ 99.554936][ T5871] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 99.554944][ T5871] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 99.554953][ T5871] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 99.554969][ T5871] [ 99.554974][ T5871] [ 99.825790][ T5871] Allocated by task 1: [ 99.829882][ T5871] kasan_save_track+0x3e/0x80 [ 99.834594][ T5871] __kasan_kmalloc+0x93/0xb0 [ 99.839217][ T5871] __kmalloc_cache_noprof+0x32d/0x660 [ 99.844610][ T5871] dvb_register_device+0x309/0x1dd0 [ 99.849825][ T5871] dvb_register_frontend+0x603/0x900 [ 99.855148][ T5871] vidtv_bridge_probe+0x9d5/0xf60 [ 99.860191][ T5871] platform_probe+0xf9/0x190 [ 99.864789][ T5871] really_probe+0x254/0xae0 [ 99.869307][ T5871] __driver_probe_device+0x1e8/0x360 [ 99.874606][ T5871] driver_probe_device+0x4f/0x240 [ 99.879646][ T5871] __driver_attach+0x339/0x600 [ 99.884415][ T5871] bus_for_each_dev+0x23b/0x2c0 [ 99.889283][ T5871] bus_add_driver+0x345/0x670 [ 99.893978][ T5871] driver_register+0x23a/0x320 [ 99.898755][ T5871] vidtv_bridge_init+0x3d/0x60 [ 99.903532][ T5871] do_one_initcall+0x250/0x870 [ 99.908325][ T5871] do_initcall_level+0x10a/0x1a0 [ 99.913277][ T5871] do_initcalls+0x59/0xa0 [ 99.917626][ T5871] kernel_init_freeable+0x29d/0x3e0 [ 99.922837][ T5871] kernel_init+0x1d/0x1d0 [ 99.927193][ T5871] ret_from_fork+0x514/0xb70 [ 99.931824][ T5871] ret_from_fork_asm+0x1a/0x30 [ 99.936608][ T5871] [ 99.938945][ T5871] Freed by task 5868: [ 99.942930][ T5871] kasan_save_track+0x3e/0x80 [ 99.947638][ T5871] kasan_save_free_info+0x40/0x50 [ 99.952676][ T5871] __kasan_slab_free+0x5c/0x80 [ 99.957458][ T5871] kfree+0x1c5/0x640 [ 99.961360][ T5871] dvb_device_open+0x2b8/0x340 [ 99.966134][ T5871] chrdev_open+0x4d9/0x600 [ 99.970555][ T5871] do_dentry_open+0x816/0x1380 [ 99.975328][ T5871] vfs_open+0x3b/0x340 [ 99.979403][ T5871] path_openat+0x2e44/0x3830 [ 99.984013][ T5871] do_file_open+0x23e/0x4a0 [ 99.988530][ T5871] do_sys_openat2+0x115/0x200 [ 99.993210][ T5871] __ia32_compat_sys_openat+0x131/0x160 [ 99.998767][ T5871] do_int80_emulation+0x19a/0x550 [ 100.003810][ T5871] asm_int80_emulation+0x1a/0x20 [ 100.008754][ T5871] [ 100.011098][ T5871] The buggy address belongs to the object at ffff88802b83ae00 [ 100.011098][ T5871] which belongs to the cache kmalloc-256 of size 256 [ 100.025154][ T5871] The buggy address is located 24 bytes inside of [ 100.025154][ T5871] freed 256-byte region [ffff88802b83ae00, ffff88802b83af00) [ 100.038883][ T5871] [ 100.041211][ T5871] The buggy address belongs to the physical page: [ 100.047633][ T5871] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2b83a [ 100.056404][ T5871] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 100.064908][ T5871] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 100.072485][ T5871] page_type: f5(slab) [ 100.076479][ T5871] raw: 00fff00000000040 ffff88801b004b40 dead000000000122 0000000000000000 [ 100.085074][ T5871] raw: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000 [ 100.093663][ T5871] head: 00fff00000000040 ffff88801b004b40 dead000000000122 0000000000000000 [ 100.102337][ T5871] head: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000 [ 100.111013][ T5871] head: 00fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff [ 100.119686][ T5871] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 100.128351][ T5871] page dumped because: kasan: bad access detected [ 100.134778][ T5871] page_owner tracks the page as allocated [ 100.140494][ T5871] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 18114366481, free_ts 0 [ 100.160209][ T5871] post_alloc_hook+0x1f9/0x250 [ 100.164989][ T5871] get_page_from_freelist+0x21fa/0x2270 [ 100.170548][ T5871] __alloc_frozen_pages_noprof+0x18d/0x380 [ 100.176362][ T5871] allocate_slab+0x79/0x5e0 [ 100.180875][ T5871] refill_objects+0x2d5/0x350 [ 100.185554][ T5871] __pcs_replace_empty_main+0x2bf/0x6b0 [ 100.191119][ T5871] __kmalloc_cache_noprof+0x3a7/0x660 [ 100.196497][ T5871] bus_add_driver+0x162/0x670 [ 100.201188][ T5871] driver_register+0x23a/0x320 [ 100.205958][ T5871] usb_register_driver+0x1e4/0x390 [ 100.211078][ T5871] do_one_initcall+0x250/0x870 [ 100.215857][ T5871] do_initcall_level+0x10a/0x1a0 [ 100.220811][ T5871] do_initcalls+0x59/0xa0 [ 100.225175][ T5871] kernel_init_freeable+0x29d/0x3e0 [ 100.230385][ T5871] kernel_init+0x1d/0x1d0 [ 100.234724][ T5871] ret_from_fork+0x514/0xb70 [ 100.239324][ T5871] page_owner free stack trace missing [ 100.244683][ T5871] [ 100.247004][ T5871] Memory state around the buggy address: [ 100.252638][ T5871] ffff88802b83ad00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 100.260702][ T5871] ffff88802b83ad80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 100.268780][ T5871] >ffff88802b83ae00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 100.276852][ T5871] ^ [ 100.281718][ T5871] ffff88802b83ae80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 100.289788][ T5871] ffff88802b83af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 100.297857][ T5871] ================================================================== [ 100.323075][ T5871] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 100.330432][ T5871] CPU: 1 UID: 0 PID: 5871 Comm: syz.0.19 Not tainted syzkaller #0 PREEMPT(full) [ 100.339573][ T5871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 100.349649][ T5871] Call Trace: [ 100.352955][ T5871] [ 100.355900][ T5871] vpanic+0x56c/0xa60 [ 100.359926][ T5871] ? __pfx_vpanic+0x10/0x10 [ 100.364462][ T5871] ? __pfx___schedule+0x10/0x10 [ 100.369352][ T5871] panic+0xc5/0xd0 [ 100.373112][ T5871] ? __pfx_panic+0x10/0x10 [ 100.377568][ T5871] ? preempt_schedule_thunk+0x16/0x40 [ 100.382975][ T5871] ? dvb_device_open+0xc4/0x340 [ 100.387859][ T5871] check_panic_on_warn+0x89/0xb0 [ 100.392822][ T5871] ? dvb_device_open+0xc4/0x340 [ 100.397690][ T5871] end_report+0x73/0x170 [ 100.401949][ T5871] ? dvb_device_open+0xc4/0x340 [ 100.406814][ T5871] kasan_report+0x128/0x150 [ 100.411327][ T5871] ? dvb_device_open+0xc4/0x340 [ 100.416190][ T5871] dvb_device_open+0xc4/0x340 [ 100.420883][ T5871] ? do_raw_spin_unlock+0xf5/0x210 [ 100.426024][ T5871] chrdev_open+0x4d9/0x600 [ 100.430461][ T5871] ? __pfx_chrdev_open+0x10/0x10 [ 100.435409][ T5871] ? fsnotify_open_perm_and_set_mode+0x135/0x6b0 [ 100.441774][ T5871] ? __pfx_chrdev_open+0x10/0x10 [ 100.446736][ T5871] do_dentry_open+0x816/0x1380 [ 100.451528][ T5871] vfs_open+0x3b/0x340 [ 100.455609][ T5871] ? path_openat+0x2e2d/0x3830 [ 100.460385][ T5871] path_openat+0x2e44/0x3830 [ 100.464989][ T5871] ? kasan_save_track+0x3e/0x80 [ 100.469854][ T5871] ? do_sys_openat2+0xcc/0x200 [ 100.474650][ T5871] ? asm_int80_emulation+0x1a/0x20 [ 100.479785][ T5871] do_file_open+0x23e/0x4a0 [ 100.484312][ T5871] ? __pfx_do_file_open+0x10/0x10 [ 100.489362][ T5871] ? _raw_spin_unlock+0x28/0x50 [ 100.494221][ T5871] ? alloc_fd+0x651/0x6c0 [ 100.498567][ T5871] do_sys_openat2+0x115/0x200 [ 100.503257][ T5871] ? __pfx_do_sys_openat2+0x10/0x10 [ 100.508471][ T5871] ? __ia32_compat_sys_rt_sigreturn+0x237/0x270 [ 100.514731][ T5871] ? __task_pid_nr_ns+0x28/0x470 [ 100.519692][ T5871] ? __pfx___ia32_compat_sys_rt_sigreturn+0x10/0x10 [ 100.526312][ T5871] __ia32_compat_sys_openat+0x131/0x160 [ 100.531872][ T5871] do_int80_emulation+0x19a/0x550 [ 100.536969][ T5871] ? asm_int80_emulation+0x1a/0x20 [ 100.542090][ T5871] ? clear_bhb_loop+0x70/0xc0 [ 100.546783][ T5871] ? clear_bhb_loop+0x70/0xc0 [ 100.551470][ T5871] asm_int80_emulation+0x1a/0x20 [ 100.556411][ T5871] RIP: 0023:0xf71774eb [ 100.560485][ T5871] Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53 [ 100.580101][ T5871] RSP: 002b:00000000ffe5db7c EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 100.588526][ T5871] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000ffe5dc40 [ 100.596519][ T5871] RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 [ 100.604504][ T5871] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 100.612501][ T5871] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 100.620473][ T5871] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 100.628452][ T5871] [ 100.632067][ T5871] Kernel Offset: disabled [ 100.636392][ T5871] Rebooting in 86400 seconds..