Warning: Permanently added '10.128.1.162' (ED25519) to the list of known hosts. 2025/09/18 00:47:04 parsed 1 programs [ 86.394429][ T5867] cgroup: Unknown subsys name 'net' [ 86.497077][ T5867] cgroup: Unknown subsys name 'cpuset' [ 86.506221][ T5867] cgroup: Unknown subsys name 'rlimit' [ 88.128342][ T5867] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 90.781095][ T5883] 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. [ 91.881717][ T43] cfg80211: failed to load regulatory.db [ 93.315875][ T5929] chnl_net:caif_netlink_parms(): no params data found [ 93.394145][ T5929] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.401793][ T5929] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.409049][ T5929] bridge_slave_0: entered allmulticast mode [ 93.416458][ T5929] bridge_slave_0: entered promiscuous mode [ 93.425386][ T5929] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.432516][ T5929] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.440292][ T5929] bridge_slave_1: entered allmulticast mode [ 93.447629][ T5929] bridge_slave_1: entered promiscuous mode [ 93.481947][ T5929] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.494219][ T5929] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.529382][ T5929] team0: Port device team_slave_0 added [ 93.537420][ T5929] team0: Port device team_slave_1 added [ 93.561649][ T5929] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.568711][ T5929] 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. [ 93.595136][ T5929] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.608107][ T5929] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.615126][ T5929] 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. [ 93.641120][ T5929] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.680091][ T5929] hsr_slave_0: entered promiscuous mode [ 93.686409][ T5929] hsr_slave_1: entered promiscuous mode [ 93.812907][ T5929] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.824803][ T5929] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.836411][ T5929] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.846789][ T5929] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.873769][ T5929] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.880968][ T5929] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.889017][ T5929] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.896147][ T5929] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.948476][ T5929] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.968730][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.977526][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.991375][ T5929] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.005851][ T1326] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.012945][ T1326] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.028128][ T1326] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.035311][ T1326] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.208319][ T5929] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.250084][ T5929] veth0_vlan: entered promiscuous mode [ 94.260714][ T5929] veth1_vlan: entered promiscuous mode [ 94.290862][ T5929] veth0_macvtap: entered promiscuous mode [ 94.300144][ T5929] veth1_macvtap: entered promiscuous mode [ 94.318214][ T5929] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.332594][ T5929] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.348668][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.358743][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.368117][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.377310][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.488483][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.582239][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.659297][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.720711][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 94.819814][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 94.829004][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 94.838402][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 94.847415][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 94.855243][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 95.090423][ T1326] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.100448][ T1326] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.130462][ T49] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.140520][ T49] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/09/18 00:47:15 executed programs: 0 [ 95.516920][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 95.526733][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 95.535116][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 95.543352][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 95.551833][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 95.709118][ T5976] chnl_net:caif_netlink_parms(): no params data found [ 95.782067][ T5976] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.790453][ T5976] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.797753][ T5976] bridge_slave_0: entered allmulticast mode [ 95.805758][ T5976] bridge_slave_0: entered promiscuous mode [ 95.814448][ T5976] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.821676][ T5976] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.829250][ T5976] bridge_slave_1: entered allmulticast mode [ 95.836407][ T5976] bridge_slave_1: entered promiscuous mode [ 95.870738][ T5976] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.884594][ T5976] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.924847][ T5976] team0: Port device team_slave_0 added [ 95.935224][ T5976] team0: Port device team_slave_1 added [ 95.963824][ T5976] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.970794][ T5976] 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. [ 95.998723][ T5976] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.011687][ T5976] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.018882][ T5976] 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. [ 96.045720][ T5976] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.097743][ T5976] hsr_slave_0: entered promiscuous mode [ 96.104579][ T5976] hsr_slave_1: entered promiscuous mode [ 96.110960][ T5976] debugfs: 'hsr0' already exists in 'hsr' [ 96.117632][ T5976] Cannot create hsr debugfs directory [ 97.114339][ T12] bridge_slave_1: left allmulticast mode [ 97.120131][ T12] bridge_slave_1: left promiscuous mode [ 97.127536][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.138864][ T12] bridge_slave_0: left allmulticast mode [ 97.145286][ T12] bridge_slave_0: left promiscuous mode [ 97.150977][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.365137][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 97.376062][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 97.386817][ T12] bond0 (unregistering): Released all slaves [ 97.513395][ T12] hsr_slave_0: left promiscuous mode [ 97.522926][ T12] hsr_slave_1: left promiscuous mode [ 97.530733][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 97.546236][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 97.555465][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 97.562868][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 97.591019][ T12] veth1_macvtap: left promiscuous mode [ 97.597640][ T12] veth0_macvtap: left promiscuous mode [ 97.603338][ T12] veth1_vlan: left promiscuous mode [ 97.610503][ T12] veth0_vlan: left promiscuous mode [ 97.634664][ T5185] Bluetooth: hci0: command tx timeout [ 98.057114][ T12] team0 (unregistering): Port device team_slave_1 removed [ 98.087359][ T12] team0 (unregistering): Port device team_slave_0 removed [ 98.629830][ T5976] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.644854][ T5976] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.659422][ T5976] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.675836][ T5976] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.058806][ T5976] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.187973][ T5976] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.215593][ T49] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.222772][ T49] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.251706][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.258936][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.670320][ T5976] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.710905][ T5976] veth0_vlan: entered promiscuous mode [ 99.713810][ T5185] Bluetooth: hci0: command tx timeout [ 99.730005][ T5976] veth1_vlan: entered promiscuous mode [ 99.759161][ T5976] veth0_macvtap: entered promiscuous mode [ 99.768267][ T5976] veth1_macvtap: entered promiscuous mode [ 99.784676][ T5976] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.798847][ T5976] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.812599][ T36] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.824204][ T36] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.835915][ T36] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.845394][ T49] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 99.903032][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.915582][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.938479][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 99.946721][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 99.981839][ T6036] FAULT_INJECTION: forcing a failure. [ 99.981839][ T6036] name failslab, interval 1, probability 0, space 0, times 1 [ 99.995990][ T6036] CPU: 1 UID: 0 PID: 6036 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 99.996009][ T6036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 99.996021][ T6036] Call Trace: [ 99.996028][ T6036] [ 99.996034][ T6036] dump_stack_lvl+0x16c/0x1f0 [ 99.996062][ T6036] should_fail_ex+0x512/0x640 [ 99.996083][ T6036] ? __kmalloc_node_track_caller_noprof+0xc3/0x510 [ 99.996110][ T6036] should_failslab+0xc2/0x120 [ 99.996128][ T6036] __kmalloc_node_track_caller_noprof+0xd6/0x510 [ 99.996146][ T6036] ? __kthread_create_on_node+0x186/0x3f0 [ 99.996168][ T6036] kvasprintf+0xbc/0x160 [ 99.996183][ T6036] ? __pfx_kvasprintf+0x10/0x10 [ 99.996205][ T6036] ? __pfx_dvb_frontend_thread+0x10/0x10 [ 99.996226][ T6036] __kthread_create_on_node+0x186/0x3f0 [ 99.996244][ T6036] ? __pfx___kthread_create_on_node+0x10/0x10 [ 99.996272][ T6036] ? __pfx_dvb_frontend_thread+0x10/0x10 [ 99.996293][ T6036] kthread_create_on_node+0xc7/0x100 [ 99.996310][ T6036] ? __pfx_kthread_create_on_node+0x10/0x10 [ 99.996332][ T6036] ? mark_held_locks+0x49/0x80 [ 99.996349][ T6036] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 99.996368][ T6036] ? lockdep_hardirqs_on+0x7c/0x110 [ 99.996390][ T6036] dvb_frontend_open+0xf47/0x1730 [ 99.996416][ T6036] ? __pfx_dvb_frontend_open+0x10/0x10 [ 99.996437][ T6036] dvb_device_open+0x26d/0x3b0 [ 99.996451][ T6036] ? __pfx_dvb_device_open+0x10/0x10 [ 99.996463][ T6036] chrdev_open+0x234/0x6a0 [ 99.996483][ T6036] ? __pfx_chrdev_open+0x10/0x10 [ 99.996501][ T6036] ? fsnotify_open_perm_and_set_mode+0x17c/0xa60 [ 99.996520][ T6036] do_dentry_open+0x982/0x1530 [ 99.996537][ T6036] ? __pfx_chrdev_open+0x10/0x10 [ 99.996558][ T6036] vfs_open+0x82/0x3f0 [ 99.996580][ T6036] path_openat+0x1de4/0x2cb0 [ 99.996602][ T6036] ? __pfx_path_openat+0x10/0x10 [ 99.996623][ T6036] do_filp_open+0x20b/0x470 [ 99.996640][ T6036] ? __pfx_do_filp_open+0x10/0x10 [ 99.996669][ T6036] ? alloc_fd+0x471/0x7d0 [ 99.996689][ T6036] do_sys_openat2+0x11b/0x1d0 [ 99.996709][ T6036] ? __pfx_do_sys_openat2+0x10/0x10 [ 99.996736][ T6036] __x64_sys_openat+0x174/0x210 [ 99.996749][ T6036] ? __pfx___x64_sys_openat+0x10/0x10 [ 99.996769][ T6036] do_syscall_64+0xcd/0x4c0 [ 99.996790][ T6036] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 99.996804][ T6036] RIP: 0033:0x7fc90eb8eba9 [ 99.996820][ T6036] 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 [ 99.996836][ T6036] RSP: 002b:00007fff4455e338 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 99.996849][ T6036] RAX: ffffffffffffffda RBX: 00007fc90edd5fa0 RCX: 00007fc90eb8eba9 [ 99.996858][ T6036] RDX: 0000000000000001 RSI: 0000200000000000 RDI: ffffffffffffff9c [ 99.996866][ T6036] RBP: 00007fc90ec11e19 R08: 0000000000000000 R09: 0000000000000000 [ 99.996874][ T6036] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 99.996882][ T6036] R13: 00007fc90edd5fa0 R14: 00007fc90edd5fa0 R15: 0000000000000004 [ 99.996899][ T6036] [ 99.996932][ T6036] i2c i2c-0: dvb_frontend_start: failed to start kthread (-12) [ 100.317378][ T6037] FAULT_INJECTION: forcing a failure. [ 100.317378][ T6037] name failslab, interval 1, probability 0, space 0, times 0 [ 100.330085][ T6037] CPU: 1 UID: 0 PID: 6037 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full) [ 100.330104][ T6037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 100.330112][ T6037] Call Trace: [ 100.330117][ T6037] [ 100.330122][ T6037] dump_stack_lvl+0x16c/0x1f0 [ 100.330147][ T6037] should_fail_ex+0x512/0x640 [ 100.330168][ T6037] ? __kmalloc_node_track_caller_noprof+0xc3/0x510 [ 100.330188][ T6037] should_failslab+0xc2/0x120 [ 100.330206][ T6037] __kmalloc_node_track_caller_noprof+0xd6/0x510 [ 100.330224][ T6037] ? __kthread_create_on_node+0x186/0x3f0 [ 100.330245][ T6037] kvasprintf+0xbc/0x160 [ 100.330260][ T6037] ? __pfx_kvasprintf+0x10/0x10 [ 100.330282][ T6037] ? __pfx_dvb_frontend_thread+0x10/0x10 [ 100.330304][ T6037] __kthread_create_on_node+0x186/0x3f0 [ 100.330322][ T6037] ? __pfx___kthread_create_on_node+0x10/0x10 [ 100.330346][ T6037] ? __lock_acquire+0xb97/0x1ce0 [ 100.330366][ T6037] ? __pfx_dvb_frontend_thread+0x10/0x10 [ 100.330387][ T6037] kthread_create_on_node+0xc7/0x100 [ 100.330405][ T6037] ? __pfx_kthread_create_on_node+0x10/0x10 [ 100.330426][ T6037] ? mark_held_locks+0x49/0x80 [ 100.330442][ T6037] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 100.330461][ T6037] ? lockdep_hardirqs_on+0x7c/0x110 [ 100.330483][ T6037] dvb_frontend_open+0xf47/0x1730 [ 100.330509][ T6037] ? __pfx_dvb_frontend_open+0x10/0x10 [ 100.330530][ T6037] dvb_device_open+0x26d/0x3b0 [ 100.330543][ T6037] ? __pfx_dvb_device_open+0x10/0x10 [ 100.330556][ T6037] chrdev_open+0x234/0x6a0 [ 100.330573][ T6037] ? __pfx_apparmor_file_open+0x10/0x10 [ 100.330588][ T6037] ? __pfx_chrdev_open+0x10/0x10 [ 100.330606][ T6037] ? fsnotify_open_perm_and_set_mode+0x17c/0xa60 [ 100.330626][ T6037] do_dentry_open+0x982/0x1530 [ 100.330643][ T6037] ? __pfx_chrdev_open+0x10/0x10 [ 100.330664][ T6037] vfs_open+0x82/0x3f0 [ 100.330685][ T6037] path_openat+0x1de4/0x2cb0 [ 100.330708][ T6037] ? __pfx_path_openat+0x10/0x10 [ 100.330729][ T6037] do_filp_open+0x20b/0x470 [ 100.330745][ T6037] ? __pfx_do_filp_open+0x10/0x10 [ 100.330774][ T6037] ? alloc_fd+0x471/0x7d0 [ 100.330794][ T6037] do_sys_openat2+0x11b/0x1d0 [ 100.330818][ T6037] ? __pfx_do_sys_openat2+0x10/0x10 [ 100.330846][ T6037] __x64_sys_openat+0x174/0x210 [ 100.330858][ T6037] ? __pfx___x64_sys_openat+0x10/0x10 [ 100.330878][ T6037] do_syscall_64+0xcd/0x4c0 [ 100.330900][ T6037] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.330913][ T6037] RIP: 0033:0x7fc90eb8eba9 [ 100.330925][ T6037] 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 [ 100.330938][ T6037] RSP: 002b:00007fff4455e338 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 100.330951][ T6037] RAX: ffffffffffffffda RBX: 00007fc90edd5fa0 RCX: 00007fc90eb8eba9 [ 100.330960][ T6037] RDX: 0000000000000001 RSI: 0000200000000000 RDI: ffffffffffffff9c [ 100.330968][ T6037] RBP: 00007fc90ec11e19 R08: 0000000000000000 R09: 0000000000000000 [ 100.330976][ T6037] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 100.330983][ T6037] R13: 00007fc90edd5fa0 R14: 00007fc90edd5fa0 R15: 0000000000000004 [ 100.331001][ T6037] [ 100.331020][ T6037] i2c i2c-0: dvb_frontend_start: failed to start kthread (-12) [ 100.668630][ T6038] ================================================================== [ 100.676715][ T6038] BUG: KASAN: slab-use-after-free in dvb_device_open+0x36a/0x3b0 [ 100.684419][ T6038] Read of size 8 at addr ffff88802ab56a18 by task syz.0.19/6038 [ 100.692026][ T6038] [ 100.694334][ T6038] CPU: 1 UID: 0 PID: 6038 Comm: syz.0.19 Not tainted syzkaller #0 PREEMPT(full) [ 100.694351][ T6038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 100.694359][ T6038] Call Trace: [ 100.694365][ T6038] [ 100.694371][ T6038] dump_stack_lvl+0x116/0x1f0 [ 100.694395][ T6038] print_report+0xcd/0x630 [ 100.694412][ T6038] ? __virt_addr_valid+0x81/0x610 [ 100.694429][ T6038] ? __phys_addr+0xe8/0x180 [ 100.694445][ T6038] ? dvb_device_open+0x36a/0x3b0 [ 100.694457][ T6038] kasan_report+0xe0/0x110 [ 100.694473][ T6038] ? dvb_device_open+0x36a/0x3b0 [ 100.694486][ T6038] ? __pfx_dvb_device_open+0x10/0x10 [ 100.694498][ T6038] dvb_device_open+0x36a/0x3b0 [ 100.694511][ T6038] ? __pfx_dvb_device_open+0x10/0x10 [ 100.694523][ T6038] chrdev_open+0x234/0x6a0 [ 100.694540][ T6038] ? __pfx_apparmor_file_open+0x10/0x10 [ 100.694556][ T6038] ? __pfx_chrdev_open+0x10/0x10 [ 100.694573][ T6038] ? fsnotify_open_perm_and_set_mode+0x17c/0xa60 [ 100.694590][ T6038] do_dentry_open+0x982/0x1530 [ 100.694606][ T6038] ? __pfx_chrdev_open+0x10/0x10 [ 100.694624][ T6038] vfs_open+0x82/0x3f0 [ 100.694644][ T6038] path_openat+0x1de4/0x2cb0 [ 100.694662][ T6038] ? __pfx_path_openat+0x10/0x10 [ 100.694679][ T6038] do_filp_open+0x20b/0x470 [ 100.694695][ T6038] ? __pfx_do_filp_open+0x10/0x10 [ 100.694716][ T6038] ? alloc_fd+0x471/0x7d0 [ 100.694732][ T6038] do_sys_openat2+0x11b/0x1d0 [ 100.694751][ T6038] ? __pfx_do_sys_openat2+0x10/0x10 [ 100.694779][ T6038] __x64_sys_openat+0x174/0x210 [ 100.694791][ T6038] ? __pfx___x64_sys_openat+0x10/0x10 [ 100.694807][ T6038] do_syscall_64+0xcd/0x4c0 [ 100.694834][ T6038] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.694850][ T6038] RIP: 0033:0x7fc90eb8eba9 [ 100.694861][ T6038] 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 [ 100.694874][ T6038] RSP: 002b:00007fff4455e338 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 100.694887][ T6038] RAX: ffffffffffffffda RBX: 00007fc90edd5fa0 RCX: 00007fc90eb8eba9 [ 100.694896][ T6038] RDX: 0000000000000001 RSI: 0000200000000000 RDI: ffffffffffffff9c [ 100.694904][ T6038] RBP: 00007fc90ec11e19 R08: 0000000000000000 R09: 0000000000000000 [ 100.694912][ T6038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 100.694920][ T6038] R13: 00007fc90edd5fa0 R14: 00007fc90edd5fa0 R15: 0000000000000004 [ 100.694933][ T6038] [ 100.694937][ T6038] [ 100.933852][ T6038] Allocated by task 1: [ 100.937907][ T6038] kasan_save_stack+0x33/0x60 [ 100.942582][ T6038] kasan_save_track+0x14/0x30 [ 100.947248][ T6038] __kasan_kmalloc+0xaa/0xb0 [ 100.951830][ T6038] dvb_register_device+0x1e4/0x2370 [ 100.957017][ T6038] dvb_register_frontend+0x5a6/0x880 [ 100.962300][ T6038] vidtv_bridge_probe+0x459/0xa90 [ 100.967323][ T6038] platform_probe+0x103/0x1d0 [ 100.972002][ T6038] really_probe+0x241/0xa90 [ 100.976514][ T6038] __driver_probe_device+0x1de/0x440 [ 100.981805][ T6038] driver_probe_device+0x4c/0x1b0 [ 100.986835][ T6038] __driver_attach+0x283/0x580 [ 100.991601][ T6038] bus_for_each_dev+0x13e/0x1d0 [ 100.996448][ T6038] bus_add_driver+0x2e9/0x690 [ 101.001120][ T6038] driver_register+0x15c/0x4b0 [ 101.005873][ T6038] vidtv_bridge_init+0x45/0x80 [ 101.010630][ T6038] do_one_initcall+0x120/0x6e0 [ 101.015386][ T6038] kernel_init_freeable+0x5c2/0x910 [ 101.020667][ T6038] kernel_init+0x1c/0x2b0 [ 101.024991][ T6038] ret_from_fork+0x56d/0x730 [ 101.029582][ T6038] ret_from_fork_asm+0x1a/0x30 [ 101.034338][ T6038] [ 101.036647][ T6038] Freed by task 6037: [ 101.040610][ T6038] kasan_save_stack+0x33/0x60 [ 101.045279][ T6038] kasan_save_track+0x14/0x30 [ 101.049948][ T6038] kasan_save_free_info+0x3b/0x60 [ 101.054959][ T6038] __kasan_slab_free+0x60/0x70 [ 101.059715][ T6038] kfree+0x2b4/0x4d0 [ 101.063603][ T6038] dvb_device_put.part.0+0x60/0x90 [ 101.068717][ T6038] dvb_device_open+0x2a4/0x3b0 [ 101.073472][ T6038] chrdev_open+0x234/0x6a0 [ 101.077880][ T6038] do_dentry_open+0x982/0x1530 [ 101.082637][ T6038] vfs_open+0x82/0x3f0 [ 101.086706][ T6038] path_openat+0x1de4/0x2cb0 [ 101.091294][ T6038] do_filp_open+0x20b/0x470 [ 101.095787][ T6038] do_sys_openat2+0x11b/0x1d0 [ 101.100462][ T6038] __x64_sys_openat+0x174/0x210 [ 101.105299][ T6038] do_syscall_64+0xcd/0x4c0 [ 101.109807][ T6038] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.115690][ T6038] [ 101.117999][ T6038] The buggy address belongs to the object at ffff88802ab56a00 [ 101.117999][ T6038] which belongs to the cache kmalloc-256 of size 256 [ 101.132037][ T6038] The buggy address is located 24 bytes inside of [ 101.132037][ T6038] freed 256-byte region [ffff88802ab56a00, ffff88802ab56b00) [ 101.145740][ T6038] [ 101.148050][ T6038] The buggy address belongs to the physical page: [ 101.154454][ T6038] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2ab56 [ 101.163199][ T6038] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 101.171687][ T6038] flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 101.179234][ T6038] page_type: f5(slab) [ 101.183202][ T6038] raw: 00fff00000000040 ffff88801b841b40 dead000000000122 0000000000000000 [ 101.191775][ T6038] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 [ 101.200344][ T6038] head: 00fff00000000040 ffff88801b841b40 dead000000000122 0000000000000000 [ 101.209000][ T6038] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 [ 101.217658][ T6038] head: 00fff00000000001 ffffea0000aad581 00000000ffffffff 00000000ffffffff [ 101.226315][ T6038] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 101.234967][ T6038] page dumped because: kasan: bad access detected [ 101.241374][ T6038] page_owner tracks the page as allocated [ 101.247068][ T6038] 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 18874490810, free_ts 0 [ 101.266769][ T6038] post_alloc_hook+0x1c0/0x230 [ 101.271530][ T6038] get_page_from_freelist+0x132b/0x38e0 [ 101.277067][ T6038] __alloc_frozen_pages_noprof+0x261/0x23f0 [ 101.282971][ T6038] alloc_pages_mpol+0x1fb/0x550 [ 101.287815][ T6038] new_slab+0x247/0x330 [ 101.291958][ T6038] ___slab_alloc+0xcf2/0x1750 [ 101.296621][ T6038] __slab_alloc.constprop.0+0x56/0xb0 [ 101.301982][ T6038] __kmalloc_cache_noprof+0xfb/0x3e0 [ 101.307256][ T6038] bus_add_driver+0x92/0x690 [ 101.311840][ T6038] driver_register+0x15c/0x4b0 [ 101.316592][ T6038] usb_register_driver+0x216/0x4d0 [ 101.321692][ T6038] do_one_initcall+0x120/0x6e0 [ 101.326456][ T6038] kernel_init_freeable+0x5c2/0x910 [ 101.331648][ T6038] kernel_init+0x1c/0x2b0 [ 101.335972][ T6038] ret_from_fork+0x56d/0x730 [ 101.340565][ T6038] ret_from_fork_asm+0x1a/0x30 [ 101.345323][ T6038] page_owner free stack trace missing [ 101.350674][ T6038] [ 101.352994][ T6038] Memory state around the buggy address: [ 101.358610][ T6038] ffff88802ab56900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 101.366660][ T6038] ffff88802ab56980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 101.374714][ T6038] >ffff88802ab56a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 101.382760][ T6038] ^ [ 101.387593][ T6038] ffff88802ab56a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 101.395642][ T6038] ffff88802ab56b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 101.403686][ T6038] ================================================================== 2025/09/18 00:47:21 executed programs: 4 [ 101.451301][ T6038] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 101.458543][ T6038] CPU: 1 UID: 0 PID: 6038 Comm: syz.0.19 Not tainted syzkaller #0 PREEMPT(full) [ 101.467670][ T6038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 101.477739][ T6038] Call Trace: [ 101.481018][ T6038] [ 101.483951][ T6038] dump_stack_lvl+0x3d/0x1f0 [ 101.488561][ T6038] vpanic+0x6e8/0x7a0 [ 101.492558][ T6038] ? __pfx_vpanic+0x10/0x10 [ 101.497078][ T6038] ? __pfx_vprintk_emit+0x10/0x10 [ 101.502114][ T6038] ? dvb_device_open+0x36a/0x3b0 [ 101.507057][ T6038] panic+0xca/0xd0 [ 101.510805][ T6038] ? __pfx_panic+0x10/0x10 [ 101.515234][ T6038] ? dvb_device_open+0x36a/0x3b0 [ 101.520180][ T6038] ? preempt_schedule_common+0x44/0xc0 [ 101.525664][ T6038] ? preempt_schedule_thunk+0x16/0x30 [ 101.531065][ T6038] ? check_panic_on_warn+0x1f/0xb0 [ 101.536184][ T6038] check_panic_on_warn+0xab/0xb0 [ 101.541131][ T6038] end_report+0x107/0x170 [ 101.545459][ T6038] kasan_report+0xee/0x110 [ 101.549873][ T6038] ? dvb_device_open+0x36a/0x3b0 [ 101.554803][ T6038] ? __pfx_dvb_device_open+0x10/0x10 [ 101.560075][ T6038] dvb_device_open+0x36a/0x3b0 [ 101.564828][ T6038] ? __pfx_dvb_device_open+0x10/0x10 [ 101.570102][ T6038] chrdev_open+0x234/0x6a0 [ 101.574517][ T6038] ? __pfx_apparmor_file_open+0x10/0x10 [ 101.580055][ T6038] ? __pfx_chrdev_open+0x10/0x10 [ 101.584988][ T6038] ? fsnotify_open_perm_and_set_mode+0x17c/0xa60 [ 101.591312][ T6038] do_dentry_open+0x982/0x1530 [ 101.596070][ T6038] ? __pfx_chrdev_open+0x10/0x10 [ 101.601015][ T6038] vfs_open+0x82/0x3f0 [ 101.605084][ T6038] path_openat+0x1de4/0x2cb0 [ 101.609676][ T6038] ? __pfx_path_openat+0x10/0x10 [ 101.614609][ T6038] do_filp_open+0x20b/0x470 [ 101.619111][ T6038] ? __pfx_do_filp_open+0x10/0x10 [ 101.624144][ T6038] ? alloc_fd+0x471/0x7d0 [ 101.628468][ T6038] do_sys_openat2+0x11b/0x1d0 [ 101.633144][ T6038] ? __pfx_do_sys_openat2+0x10/0x10 [ 101.638351][ T6038] __x64_sys_openat+0x174/0x210 [ 101.643194][ T6038] ? __pfx___x64_sys_openat+0x10/0x10 [ 101.648561][ T6038] do_syscall_64+0xcd/0x4c0 [ 101.653066][ T6038] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.658951][ T6038] RIP: 0033:0x7fc90eb8eba9 [ 101.663357][ T6038] 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 [ 101.682952][ T6038] RSP: 002b:00007fff4455e338 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 101.691356][ T6038] RAX: ffffffffffffffda RBX: 00007fc90edd5fa0 RCX: 00007fc90eb8eba9 [ 101.699314][ T6038] RDX: 0000000000000001 RSI: 0000200000000000 RDI: ffffffffffffff9c [ 101.707276][ T6038] RBP: 00007fc90ec11e19 R08: 0000000000000000 R09: 0000000000000000 [ 101.715235][ T6038] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 101.723194][ T6038] R13: 00007fc90edd5fa0 R14: 00007fc90edd5fa0 R15: 0000000000000004 [ 101.731158][ T6038] [ 101.735194][ T6038] Kernel Offset: disabled [ 101.739502][ T6038] Rebooting in 86400 seconds..