Warning: Permanently added '10.128.1.60' (ED25519) to the list of known hosts. 2026/04/21 00:53:37 parsed 1 programs [ 132.947954][ T1335] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.948061][ T1335] ieee802154 phy1 wpan1: encryption failed: -22 Setting up swapspace version 1, size = 127995904 bytes [ 136.922704][ T6270] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 140.501591][ T3611] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 140.501611][ T3611] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 140.558680][ T3611] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 140.558699][ T3611] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 141.777316][ T59] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 141.800458][ T59] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 141.803213][ T59] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 141.813266][ T59] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 141.813896][ T59] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 145.790324][ T6344] chnl_net:caif_netlink_parms(): no params data found [ 145.874286][ T6344] bridge0: port 1(bridge_slave_0) entered blocking state [ 145.874412][ T6344] bridge0: port 1(bridge_slave_0) entered disabled state [ 145.874505][ T6344] bridge_slave_0: entered allmulticast mode [ 145.875890][ T6344] bridge_slave_0: entered promiscuous mode [ 145.877846][ T6344] bridge0: port 2(bridge_slave_1) entered blocking state [ 145.877969][ T6344] bridge0: port 2(bridge_slave_1) entered disabled state [ 145.878055][ T6344] bridge_slave_1: entered allmulticast mode [ 145.881554][ T6344] bridge_slave_1: entered promiscuous mode [ 145.933002][ T6344] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 145.935795][ T6344] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 145.973708][ T6344] team0: Port device team_slave_0 added [ 145.975645][ T6344] team0: Port device team_slave_1 added [ 146.004285][ T6344] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 146.004301][ T6344] 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. [ 146.004316][ T6344] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 146.005509][ T6344] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 146.005521][ T6344] 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. [ 146.005538][ T6344] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 146.084552][ T6344] hsr_slave_0: entered promiscuous mode [ 146.086742][ T6344] hsr_slave_1: entered promiscuous mode [ 148.102079][ T6344] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 148.132857][ T6344] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 148.135333][ T6344] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 148.174731][ T6344] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 148.175576][ T6344] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 148.216096][ T6344] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 148.217176][ T6344] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 148.251107][ T6344] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 148.384013][ T6344] 8021q: adding VLAN 0 to HW filter on device bond0 [ 148.411710][ T6344] 8021q: adding VLAN 0 to HW filter on device team0 [ 148.421919][ T57] bridge0: port 1(bridge_slave_0) entered blocking state [ 148.422109][ T57] bridge0: port 1(bridge_slave_0) entered forwarding state [ 148.439009][ T57] bridge0: port 2(bridge_slave_1) entered blocking state [ 148.439197][ T57] bridge0: port 2(bridge_slave_1) entered forwarding state [ 148.825948][ T6344] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 148.905934][ T6344] veth0_vlan: entered promiscuous mode [ 148.923726][ T6344] veth1_vlan: entered promiscuous mode [ 149.002272][ T6344] veth0_macvtap: entered promiscuous mode [ 149.018013][ T6344] veth1_macvtap: entered promiscuous mode [ 149.065233][ T6344] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 149.130898][ T6344] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 149.228110][ T3637] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 149.229083][ T3637] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 149.229315][ T3637] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 149.229970][ T3637] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 150.213788][ T336] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/04/21 00:53:56 executed programs: 0 [ 151.202264][ T336] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 151.212916][ T59] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 151.245422][ T59] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 151.261301][ T59] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 151.266126][ T59] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 151.271506][ T59] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 151.634803][ T6481] chnl_net:caif_netlink_parms(): no params data found [ 151.780519][ T6481] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.780698][ T6481] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.780857][ T6481] bridge_slave_0: entered allmulticast mode [ 151.783394][ T6481] bridge_slave_0: entered promiscuous mode [ 151.786591][ T6481] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.786794][ T6481] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.786962][ T6481] bridge_slave_1: entered allmulticast mode [ 151.791149][ T6481] bridge_slave_1: entered promiscuous mode [ 151.842843][ T6481] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 151.848144][ T6481] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 151.891794][ T6481] team0: Port device team_slave_0 added [ 151.895364][ T6481] team0: Port device team_slave_1 added [ 152.039898][ T6481] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 152.039913][ T6481] 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. [ 152.039937][ T6481] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 152.043184][ T6481] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 152.043200][ T6481] 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. [ 152.043223][ T6481] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 152.174016][ T6481] hsr_slave_0: entered promiscuous mode [ 152.175225][ T6481] hsr_slave_1: entered promiscuous mode [ 152.176245][ T6481] debugfs: 'hsr0' already exists in 'hsr' [ 152.176350][ T6481] Cannot create hsr debugfs directory [ 152.495573][ T336] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 152.787884][ T336] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 153.353433][ T5133] Bluetooth: hci0: command tx timeout [ 153.588824][ T336] bridge_slave_1: left allmulticast mode [ 153.588845][ T336] bridge_slave_1: left promiscuous mode [ 153.589014][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 153.650317][ T336] bridge_slave_0: left allmulticast mode [ 153.650346][ T336] bridge_slave_0: left promiscuous mode [ 153.650581][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 154.289458][ T336] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 154.349108][ T336] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 154.390437][ T336] bond0 (unregistering): Released all slaves [ 154.729645][ T336] hsr_slave_0: left promiscuous mode [ 154.768652][ T336] hsr_slave_1: left promiscuous mode [ 154.773956][ T336] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 154.773983][ T336] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 154.819604][ T336] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 154.819631][ T336] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 154.905158][ T336] veth1_macvtap: left promiscuous mode [ 154.905261][ T336] veth0_macvtap: left promiscuous mode [ 154.905510][ T336] veth1_vlan: left promiscuous mode [ 154.905673][ T336] veth0_vlan: left promiscuous mode [ 155.418598][ T5133] Bluetooth: hci0: command tx timeout [ 155.569385][ T336] team0 (unregistering): Port device team_slave_1 removed [ 155.609085][ T336] team0 (unregistering): Port device team_slave_0 removed [ 155.772301][ T5479] 8021q: adding VLAN 0 to HW filter on device eth1 [ 156.537130][ T6481] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 156.606015][ T6481] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 156.606924][ T6481] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 156.650767][ T6481] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 156.689026][ T6481] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 156.732470][ T6481] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 156.733572][ T6481] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 156.783921][ T6481] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 156.866798][ T6481] 8021q: adding VLAN 0 to HW filter on device bond0 [ 156.886929][ T6481] 8021q: adding VLAN 0 to HW filter on device team0 [ 156.901064][ T57] bridge0: port 1(bridge_slave_0) entered blocking state [ 156.901177][ T57] bridge0: port 1(bridge_slave_0) entered forwarding state [ 156.907690][ T57] bridge0: port 2(bridge_slave_1) entered blocking state [ 156.907804][ T57] bridge0: port 2(bridge_slave_1) entered forwarding state [ 157.176527][ T6481] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 157.242317][ T6481] veth0_vlan: entered promiscuous mode [ 157.256568][ T6481] veth1_vlan: entered promiscuous mode [ 157.349932][ T6481] veth0_macvtap: entered promiscuous mode [ 157.353247][ T6481] veth1_macvtap: entered promiscuous mode [ 157.373498][ T6481] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 157.413601][ T6481] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 157.432941][ T3637] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.436354][ T3637] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.436398][ T3637] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.436428][ T3637] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 157.498688][ T5133] Bluetooth: hci0: command tx timeout [ 157.774504][ T57] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 157.774522][ T57] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 157.816934][ T3637] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 157.816954][ T3637] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/04/21 00:54:03 executed programs: 2 [ 158.152823][ T6585] loop0: detected capacity change from 0 to 32768 [ 158.309668][ T6585] Bad index:0 in slot in dtroot [ 158.309668][ T6585] [ 158.309688][ T6585] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 158.309688][ T6585] [ 158.316785][ T6585] ERROR: (device loop0): remounting filesystem as read-only [ 158.775967][ T6587] loop0: detected capacity change from 0 to 32768 [ 158.822000][ T6587] Bad index:0 in slot in dtroot [ 158.822000][ T6587] [ 158.822019][ T6587] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 158.822019][ T6587] [ 158.822898][ T6587] ERROR: (device loop0): remounting filesystem as read-only [ 159.231873][ T6589] loop0: detected capacity change from 0 to 32768 [ 159.263647][ T6589] Bad index:0 in slot in dtroot [ 159.263647][ T6589] [ 159.263663][ T6589] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 159.263663][ T6589] [ 159.263845][ T6589] ERROR: (device loop0): remounting filesystem as read-only [ 159.578747][ T5133] Bluetooth: hci0: command tx timeout [ 159.627914][ T6591] loop0: detected capacity change from 0 to 32768 [ 159.641922][ T6591] Bad index:0 in slot in dtroot [ 159.641922][ T6591] [ 159.641936][ T6591] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 159.641936][ T6591] [ 159.642122][ T6591] ERROR: (device loop0): remounting filesystem as read-only [ 160.062711][ T6593] loop0: detected capacity change from 0 to 32768 [ 160.090247][ T6593] Bad index:0 in slot in dtroot [ 160.090247][ T6593] [ 160.090264][ T6593] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 160.090264][ T6593] [ 160.091062][ T6593] ERROR: (device loop0): remounting filesystem as read-only [ 160.457700][ T6595] loop0: detected capacity change from 0 to 32768 [ 160.499013][ T6595] Bad index:0 in slot in dtroot [ 160.499013][ T6595] [ 160.499029][ T6595] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 160.499029][ T6595] [ 160.499307][ T6595] ERROR: (device loop0): remounting filesystem as read-only [ 160.829488][ T6597] loop0: detected capacity change from 0 to 32768 [ 160.853005][ T6597] Bad index:0 in slot in dtroot [ 160.853005][ T6597] [ 160.853021][ T6597] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 160.853021][ T6597] [ 160.871357][ T6597] ERROR: (device loop0): remounting filesystem as read-only [ 161.194789][ T6599] loop0: detected capacity change from 0 to 32768 [ 161.223139][ T6599] Bad index:0 in slot in dtroot [ 161.223139][ T6599] [ 161.223157][ T6599] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 161.223157][ T6599] [ 161.223370][ T6599] ERROR: (device loop0): remounting filesystem as read-only [ 161.549725][ T6601] loop0: detected capacity change from 0 to 32768 [ 161.573608][ T6601] Bad index:0 in slot in dtroot [ 161.573608][ T6601] [ 161.573623][ T6601] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 161.573623][ T6601] [ 161.574623][ T6601] ERROR: (device loop0): remounting filesystem as read-only [ 161.913263][ T6603] loop0: detected capacity change from 0 to 32768 [ 161.928703][ T6603] Bad index:0 in slot in dtroot [ 161.928703][ T6603] [ 161.928717][ T6603] ERROR: (device loop0): copy_from_dinode: [ 161.928717][ T6603] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 161.928717][ T6603] [ 161.928907][ T6603] ERROR: (device loop0): remounting filesystem as read-only [ 161.948647][ C1] ================================================================== [ 161.948662][ C1] BUG: KASAN: slab-use-after-free in lbmIODone+0x1312/0x16c0 [ 161.948690][ C1] Read of size 4 at addr ffff88802fe96808 by task ktimers/1/29 [ 161.948706][ C1] [ 161.948731][ C1] CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 161.948752][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 161.948769][ C1] Call Trace: [ 161.948777][ C1] [ 161.948784][ C1] dump_stack_lvl+0xe8/0x150 [ 161.948813][ C1] print_address_description+0x55/0x1e0 [ 161.948842][ C1] ? lbmIODone+0x1312/0x16c0 [ 161.948861][ C1] print_report+0x58/0x70 [ 161.948885][ C1] kasan_report+0x117/0x150 [ 161.948904][ C1] ? lbmIODone+0x1312/0x16c0 [ 161.948926][ C1] lbmIODone+0x1312/0x16c0 [ 161.948946][ C1] ? blkg_put+0x22/0x240 [ 161.948968][ C1] ? blkg_put+0x22/0x240 [ 161.948989][ C1] ? blkg_put+0x18d/0x240 [ 161.949011][ C1] ? bio_endio+0x989/0x9d0 [ 161.949037][ C1] blk_update_request+0x57e/0xe60 [ 161.949069][ C1] blk_mq_end_request+0x3e/0x70 [ 161.949094][ C1] blk_done_softirq+0x10a/0x160 [ 161.949119][ C1] handle_softirqs+0x1de/0x6d0 [ 161.949150][ C1] ? smpboot_thread_fn+0x4d/0xa50 [ 161.949172][ C1] run_ktimerd+0x69/0x100 [ 161.949191][ C1] smpboot_thread_fn+0x541/0xa50 [ 161.949210][ C1] ? smpboot_thread_fn+0x4d/0xa50 [ 161.949231][ C1] kthread+0x388/0x470 [ 161.949251][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 161.949269][ C1] ? __pfx_kthread+0x10/0x10 [ 161.949291][ C1] ret_from_fork+0x514/0xb70 [ 161.949309][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 161.949324][ C1] ? __switch_to+0xc79/0x1410 [ 161.949349][ C1] ? __pfx_kthread+0x10/0x10 [ 161.949369][ C1] ret_from_fork_asm+0x1a/0x30 [ 161.949395][ C1] [ 161.949401][ C1] [ 161.949409][ C1] Allocated by task 6603: [ 161.949418][ C1] kasan_save_track+0x3e/0x80 [ 161.949442][ C1] __kasan_kmalloc+0x93/0xb0 [ 161.949465][ C1] __kmalloc_cache_noprof+0x3a6/0x690 [ 161.949481][ C1] lmLogInit+0x3e5/0x1a00 [ 161.949497][ C1] lmLogOpen+0x4e1/0xfa0 [ 161.949511][ C1] jfs_mount_rw+0xee/0x670 [ 161.949526][ C1] jfs_fill_super+0x754/0xd80 [ 161.949554][ C1] get_tree_bdev_flags+0x431/0x4f0 [ 161.949570][ C1] vfs_get_tree+0x92/0x2a0 [ 161.949585][ C1] do_new_mount+0x341/0xd30 [ 161.949606][ C1] __se_sys_mount+0x31d/0x420 [ 161.949626][ C1] do_syscall_64+0x15f/0xf80 [ 161.949644][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 161.949660][ C1] [ 161.949664][ C1] Freed by task 6603: [ 161.949672][ C1] kasan_save_track+0x3e/0x80 [ 161.949694][ C1] kasan_save_free_info+0x46/0x50 [ 161.949714][ C1] __kasan_slab_free+0x5c/0x80 [ 161.949738][ C1] kfree+0x1c5/0x6c0 [ 161.949760][ C1] lmLogShutdown+0x456/0x850 [ 161.949777][ C1] lmLogClose+0x28a/0x520 [ 161.949793][ C1] jfs_umount+0x2fb/0x3d0 [ 161.949808][ C1] jfs_fill_super+0x9c5/0xd80 [ 161.949829][ C1] get_tree_bdev_flags+0x431/0x4f0 [ 161.949845][ C1] vfs_get_tree+0x92/0x2a0 [ 161.949859][ C1] do_new_mount+0x341/0xd30 [ 161.949878][ C1] __se_sys_mount+0x31d/0x420 [ 161.949899][ C1] do_syscall_64+0x15f/0xf80 [ 161.949916][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 161.949932][ C1] [ 161.949936][ C1] The buggy address belongs to the object at ffff88802fe96800 [ 161.949936][ C1] which belongs to the cache kmalloc-256 of size 256 [ 161.949950][ C1] The buggy address is located 8 bytes inside of [ 161.949950][ C1] freed 256-byte region [ffff88802fe96800, ffff88802fe96900) [ 161.949968][ C1] [ 161.949973][ C1] The buggy address belongs to the physical page: [ 161.949989][ C1] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2fe96 [ 161.950008][ C1] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 161.950023][ C1] flags: 0x80000000000040(head|node=0|zone=1) [ 161.950041][ C1] page_type: f5(slab) [ 161.950058][ C1] raw: 0080000000000040 ffff88801a024b40 dead000000000100 dead000000000122 [ 161.950073][ C1] raw: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000 [ 161.950089][ C1] head: 0080000000000040 ffff88801a024b40 dead000000000100 dead000000000122 [ 161.950104][ C1] head: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000 [ 161.950119][ C1] head: 0080000000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff [ 161.950134][ C1] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000002 [ 161.950143][ C1] page dumped because: kasan: bad access detected [ 161.950155][ C1] page_owner tracks the page as allocated [ 161.950161][ C1] 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 16396055705, free_ts 0 [ 161.950190][ C1] post_alloc_hook+0x231/0x280 [ 161.950215][ C1] get_page_from_freelist+0x27c8/0x2840 [ 161.950234][ C1] __alloc_frozen_pages_noprof+0x18d/0x380 [ 161.950253][ C1] allocate_slab+0x77/0x660 [ 161.950273][ C1] refill_objects+0x33c/0x3d0 [ 161.950291][ C1] __pcs_replace_empty_main+0x373/0x720 [ 161.950312][ C1] __kvmalloc_node_noprof+0x6f4/0x8e0 [ 161.950328][ C1] v4l2_ctrl_new+0xa60/0x1860 [ 161.950347][ C1] v4l2_ctrl_new_custom+0x5fc/0x850 [ 161.950364][ C1] vivid_create_controls+0x28dd/0x3bd0 [ 161.950387][ C1] vivid_probe+0x425f/0x72c0 [ 161.950406][ C1] platform_probe+0xf9/0x190 [ 161.950427][ C1] really_probe+0x267/0xaf0 [ 161.950442][ C1] __driver_probe_device+0x1ef/0x380 [ 161.950465][ C1] driver_probe_device+0x4f/0x240 [ 161.950490][ C1] __driver_attach+0x34c/0x640 [ 161.950513][ C1] page_owner free stack trace missing [ 161.950519][ C1] [ 161.950522][ C1] Memory state around the buggy address: [ 161.950532][ C1] ffff88802fe96700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 161.950551][ C1] ffff88802fe96780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 161.950564][ C1] >ffff88802fe96800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 161.950572][ C1] ^ [ 161.950581][ C1] ffff88802fe96880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 161.950592][ C1] ffff88802fe96900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 161.950601][ C1] ================================================================== [ 161.950624][ C1] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 161.950637][ C1] CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 161.950657][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 161.950668][ C1] Call Trace: [ 161.950674][ C1] [ 161.950681][ C1] vpanic+0x56c/0xa60 [ 161.950701][ C1] ? __pfx_vpanic+0x10/0x10 [ 161.950723][ C1] panic+0xc5/0xd0 [ 161.950740][ C1] ? __pfx_panic+0x10/0x10 [ 161.950758][ C1] ? lbmIODone+0x1312/0x16c0 [ 161.950781][ C1] ? lbmIODone+0x1312/0x16c0 [ 161.950801][ C1] check_panic_on_warn+0x89/0xb0 [ 161.950823][ C1] ? lbmIODone+0x1312/0x16c0 [ 161.950841][ C1] end_report+0x73/0x170 [ 161.950858][ C1] ? lbmIODone+0x1312/0x16c0 [ 161.950877][ C1] kasan_report+0x128/0x150 [ 161.950896][ C1] ? lbmIODone+0x1312/0x16c0 [ 161.950918][ C1] lbmIODone+0x1312/0x16c0 [ 161.950937][ C1] ? blkg_put+0x22/0x240 [ 161.950958][ C1] ? blkg_put+0x22/0x240 [ 161.950980][ C1] ? blkg_put+0x18d/0x240 [ 161.951002][ C1] ? bio_endio+0x989/0x9d0 [ 161.951029][ C1] blk_update_request+0x57e/0xe60 [ 161.951058][ C1] blk_mq_end_request+0x3e/0x70 [ 161.951084][ C1] blk_done_softirq+0x10a/0x160 [ 161.951109][ C1] handle_softirqs+0x1de/0x6d0 [ 161.951139][ C1] ? smpboot_thread_fn+0x4d/0xa50 [ 161.951156][ C1] run_ktimerd+0x69/0x100 [ 161.951174][ C1] smpboot_thread_fn+0x541/0xa50 [ 161.951193][ C1] ? smpboot_thread_fn+0x4d/0xa50 [ 161.951215][ C1] kthread+0x388/0x470 [ 161.951235][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 161.951253][ C1] ? __pfx_kthread+0x10/0x10 [ 161.951274][ C1] ret_from_fork+0x514/0xb70 [ 161.951292][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 161.951309][ C1] ? __switch_to+0xc79/0x1410 [ 161.951333][ C1] ? __pfx_kthread+0x10/0x10 [ 161.951354][ C1] ret_from_fork_asm+0x1a/0x30 [ 161.951379][ C1] [ 161.953100][ C1] Kernel Offset: disabled