Warning: Permanently added '[localhost]:44089' (ED25519) to the list of known hosts. 2026/01/22 19:08:31 parsed 1 programs [ 134.229629][ T5578] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 140.358301][ T5605] chnl_net:caif_netlink_parms(): no params data found [ 140.492941][ T5605] bridge0: port 1(bridge_slave_0) entered blocking state [ 140.496116][ T5605] bridge0: port 1(bridge_slave_0) entered disabled state [ 140.500248][ T5605] bridge_slave_0: entered allmulticast mode [ 140.504066][ T5605] bridge_slave_0: entered promiscuous mode [ 140.508955][ T5605] bridge0: port 2(bridge_slave_1) entered blocking state [ 140.512120][ T5605] bridge0: port 2(bridge_slave_1) entered disabled state [ 140.515274][ T5605] bridge_slave_1: entered allmulticast mode [ 140.519522][ T5605] bridge_slave_1: entered promiscuous mode [ 140.539762][ T5605] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 140.545647][ T5605] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 140.566416][ T5605] team0: Port device team_slave_0 added [ 140.571347][ T5605] team0: Port device team_slave_1 added [ 140.588976][ T5605] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 140.592009][ T5605] 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. [ 140.603968][ T5605] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 140.614273][ T5605] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 140.617220][ T5605] 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. [ 140.628946][ T5605] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 140.661173][ T5605] hsr_slave_0: entered promiscuous mode [ 140.664329][ T5605] hsr_slave_1: entered promiscuous mode [ 141.152712][ T5605] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 141.164459][ T5605] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 141.189913][ T5605] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 141.220563][ T5605] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 141.290768][ T5605] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.294339][ T5605] bridge0: port 2(bridge_slave_1) entered forwarding state [ 141.297842][ T5605] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.301187][ T5605] bridge0: port 1(bridge_slave_0) entered forwarding state [ 141.349863][ T4648] bridge0: port 1(bridge_slave_0) entered disabled state [ 141.353767][ T4648] bridge0: port 2(bridge_slave_1) entered disabled state [ 141.454547][ T5605] 8021q: adding VLAN 0 to HW filter on device bond0 [ 141.483579][ T5605] 8021q: adding VLAN 0 to HW filter on device team0 [ 141.497377][ T4648] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.500445][ T4648] bridge0: port 1(bridge_slave_0) entered forwarding state [ 141.521900][ T4648] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.525038][ T4648] bridge0: port 2(bridge_slave_1) entered forwarding state [ 141.824865][ T5605] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 141.896998][ T5605] veth0_vlan: entered promiscuous mode [ 141.920962][ T5605] veth1_vlan: entered promiscuous mode [ 141.960966][ T5605] veth0_macvtap: entered promiscuous mode [ 141.972568][ T5605] veth1_macvtap: entered promiscuous mode [ 142.001489][ T5605] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 142.021487][ T5605] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 142.040684][ T3049] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.044568][ T3049] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.069131][ T3049] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.073022][ T3049] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.321213][ T722] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 142.416017][ T722] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 142.500710][ T722] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 142.609448][ T722] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 142.999492][ T1317] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.002654][ T1317] ieee802154 phy1 wpan1: encryption failed: -22 [ 144.144674][ T722] bridge_slave_1: left allmulticast mode [ 144.147257][ T722] bridge_slave_1: left promiscuous mode [ 144.176334][ T722] bridge0: port 2(bridge_slave_1) entered disabled state [ 144.215775][ T722] bridge_slave_0: left allmulticast mode [ 144.218354][ T722] bridge_slave_0: left promiscuous mode [ 144.228733][ T722] bridge0: port 1(bridge_slave_0) entered disabled state [ 144.422316][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 144.426304][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 144.437083][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 144.442005][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 144.445343][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 144.648063][ T722] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 144.653961][ T722] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 144.659599][ T722] bond0 (unregistering): Released all slaves [ 144.759624][ T722] hsr_slave_0: left promiscuous mode [ 144.767621][ T722] hsr_slave_1: left promiscuous mode [ 144.771205][ T722] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 144.774628][ T722] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 144.790165][ T722] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 144.793443][ T722] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 144.817414][ T722] veth1_macvtap: left promiscuous mode [ 144.830844][ T722] veth0_macvtap: left promiscuous mode [ 144.833392][ T722] veth1_vlan: left promiscuous mode [ 144.835814][ T722] veth0_vlan: left promiscuous mode [ 145.359535][ T722] team0 (unregistering): Port device team_slave_1 removed [ 145.399798][ T722] team0 (unregistering): Port device team_slave_0 removed [ 146.861010][ T1815] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 146.864398][ T1815] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 146.924448][ T1815] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 146.927844][ T1815] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/01/22 19:08:49 executed programs: 0 [ 148.791639][ T4688] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 148.801096][ T4688] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 148.804563][ T4688] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 148.808203][ T4688] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 148.811809][ T4688] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 148.981777][ T5776] chnl_net:caif_netlink_parms(): no params data found [ 149.036513][ T5776] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.039935][ T5776] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.043025][ T5776] bridge_slave_0: entered allmulticast mode [ 149.046928][ T5776] bridge_slave_0: entered promiscuous mode [ 149.052671][ T5776] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.056501][ T5776] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.060707][ T5776] bridge_slave_1: entered allmulticast mode [ 149.064262][ T5776] bridge_slave_1: entered promiscuous mode [ 149.086094][ T5776] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 149.092599][ T5776] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 149.115167][ T5776] team0: Port device team_slave_0 added [ 149.120084][ T5776] team0: Port device team_slave_1 added [ 149.138961][ T5776] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 149.142014][ T5776] 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. [ 149.156610][ T5776] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 149.163814][ T5776] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 149.167018][ T5776] 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. [ 149.179704][ T5776] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 149.210798][ T5776] hsr_slave_0: entered promiscuous mode [ 149.214043][ T5776] hsr_slave_1: entered promiscuous mode [ 149.620450][ T5776] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 149.629583][ T5776] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 149.643566][ T5776] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 149.664156][ T5776] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 149.709258][ T5776] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.712376][ T5776] bridge0: port 2(bridge_slave_1) entered forwarding state [ 149.715787][ T5776] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.719027][ T5776] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.840876][ T5776] 8021q: adding VLAN 0 to HW filter on device bond0 [ 149.860384][ T4023] bridge0: port 1(bridge_slave_0) entered disabled state [ 149.864029][ T4023] bridge0: port 2(bridge_slave_1) entered disabled state [ 149.883797][ T5776] 8021q: adding VLAN 0 to HW filter on device team0 [ 149.903756][ T4023] bridge0: port 1(bridge_slave_0) entered blocking state [ 149.908864][ T4023] bridge0: port 1(bridge_slave_0) entered forwarding state [ 149.962488][ T4023] bridge0: port 2(bridge_slave_1) entered blocking state [ 149.965751][ T4023] bridge0: port 2(bridge_slave_1) entered forwarding state [ 150.243233][ T5776] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 150.313629][ T5776] veth0_vlan: entered promiscuous mode [ 150.331429][ T5776] veth1_vlan: entered promiscuous mode [ 150.381585][ T5776] veth0_macvtap: entered promiscuous mode [ 150.392163][ T5776] veth1_macvtap: entered promiscuous mode [ 150.424731][ T5776] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 150.443882][ T5776] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 150.463846][ T1815] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 150.473327][ T1815] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 150.477248][ T1815] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 150.495290][ T1815] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 150.603983][ T3049] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 150.607561][ T3049] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 150.680894][ T3049] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 150.684167][ T3049] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 150.828713][ T4688] Bluetooth: hci0: command tx timeout [ 151.127645][ T5823] loop0: detected capacity change from 0 to 32768 [ 151.190802][ T5823] ================================================================== [ 151.194295][ T5823] BUG: KASAN: slab-use-after-free in diWrite+0x1209/0x1f40 [ 151.197552][ T5823] Write of size 32 at addr ffff88804db850c0 by task syz.0.17/5823 [ 151.201873][ T5823] [ 151.203161][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 151.203174][ T5823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 151.203180][ T5823] Call Trace: [ 151.203188][ T5823] [ 151.203193][ T5823] dump_stack_lvl+0xe8/0x150 [ 151.203211][ T5823] print_report+0xba/0x230 [ 151.203221][ T5823] ? diWrite+0x1209/0x1f40 [ 151.203233][ T5823] kasan_report+0x117/0x150 [ 151.203245][ T5823] ? diWrite+0x1209/0x1f40 [ 151.203257][ T5823] kasan_check_range+0x264/0x2c0 [ 151.203267][ T5823] ? diWrite+0x1209/0x1f40 [ 151.203277][ T5823] __asan_memcpy+0x40/0x70 [ 151.203287][ T5823] diWrite+0x1209/0x1f40 [ 151.203296][ T5823] txCommit+0x869/0x5410 [ 151.203304][ T5823] ? __pfx_add_index+0x10/0x10 [ 151.203314][ T5823] ? __pfx_txCommit+0x10/0x10 [ 151.203322][ T5823] ? rcu_is_watching+0x15/0xb0 [ 151.203330][ T5823] ? __mark_inode_dirty+0x45c/0x1320 [ 151.203345][ T5823] add_missing_indices+0x8cb/0xcd0 [ 151.203359][ T5823] ? __pfx_add_missing_indices+0x10/0x10 [ 151.203372][ T5823] ? alloc_pages_noprof+0xbd/0x190 [ 151.203384][ T5823] jfs_readdir+0x1e31/0x3c10 [ 151.203397][ T5823] ? check_noncircular+0xc0/0x150 [ 151.203415][ T5823] ? __pfx_jfs_readdir+0x10/0x10 [ 151.203433][ T5823] ? down_write+0x16d/0x200 [ 151.203494][ T5823] ? __pfx_down_write+0x10/0x10 [ 151.203507][ T5823] ? wrap_directory_iterator+0x52/0xe0 [ 151.203521][ T5823] ? __pfx_jfs_readdir+0x10/0x10 [ 151.203534][ T5823] wrap_directory_iterator+0x96/0xe0 [ 151.203547][ T5823] iterate_dir+0x399/0x570 [ 151.203560][ T5823] __se_sys_getdents64+0xf1/0x280 [ 151.203574][ T5823] ? __pfx___se_sys_getdents64+0x10/0x10 [ 151.203587][ T5823] ? __pfx_filldir64+0x10/0x10 [ 151.203599][ T5823] ? rcu_is_watching+0x15/0xb0 [ 151.203612][ T5823] do_syscall_64+0xe2/0xf80 [ 151.203626][ T5823] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 151.203635][ T5823] ? trace_irq_disable+0x37/0x100 [ 151.203648][ T5823] ? clear_bhb_loop+0x60/0xb0 [ 151.203659][ T5823] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 151.203668][ T5823] RIP: 0033:0x7f59c699a679 [ 151.203685][ T5823] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 151.203692][ T5823] RSP: 002b:00007f59c7845028 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 151.203703][ T5823] RAX: ffffffffffffffda RBX: 00007f59c6c05fa0 RCX: 00007f59c699a679 [ 151.203709][ T5823] RDX: 0000000000001000 RSI: 0000200000000f80 RDI: 0000000000000005 [ 151.203715][ T5823] RBP: 00007f59c6a2dee0 R08: 0000000000000000 R09: 0000000000000000 [ 151.203721][ T5823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 151.203726][ T5823] R13: 00007f59c6c06038 R14: 00007f59c6c05fa0 R15: 00007ffe0c0bd868 [ 151.203736][ T5823] [ 151.203740][ T5823] [ 151.324448][ T5823] Allocated by task 5814: [ 151.326324][ T5823] kasan_save_track+0x3e/0x80 [ 151.328422][ T5823] __kasan_slab_alloc+0x6c/0x80 [ 151.330588][ T5823] kmem_cache_alloc_noprof+0x370/0x6e0 [ 151.332951][ T5823] vm_area_dup+0x2b/0x680 [ 151.334885][ T5823] dup_mmap+0x896/0x1bb0 [ 151.336774][ T5823] copy_mm+0x13b/0x4b0 [ 151.338495][ T5823] copy_process+0x166e/0x3980 [ 151.340403][ T5823] kernel_clone+0x248/0x870 [ 151.342395][ T5823] __x64_sys_clone+0x1b6/0x230 [ 151.344460][ T5823] do_syscall_64+0xe2/0xf80 [ 151.346511][ T5823] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 151.349050][ T5823] [ 151.350134][ T5823] Freed by task 15: [ 151.351803][ T5823] kasan_save_track+0x3e/0x80 [ 151.353791][ T5823] kasan_save_free_info+0x46/0x50 [ 151.355812][ T5823] __kasan_slab_free+0x5c/0x80 [ 151.357949][ T5823] slab_free_after_rcu_debug+0x127/0x250 [ 151.360239][ T5823] rcu_core+0xc9e/0x1750 [ 151.361926][ T5823] handle_softirqs+0x22a/0x7c0 [ 151.363936][ T5823] run_ksoftirqd+0x36/0x60 [ 151.365967][ T5823] smpboot_thread_fn+0x541/0xa50 [ 151.368282][ T5823] kthread+0x726/0x8b0 [ 151.370108][ T5823] ret_from_fork+0x51b/0xa40 [ 151.372143][ T5823] ret_from_fork_asm+0x1a/0x30 [ 151.374202][ T5823] [ 151.375284][ T5823] Last potentially related work creation: [ 151.377664][ T5823] kasan_save_stack+0x3e/0x60 [ 151.379724][ T5823] kasan_record_aux_stack+0xbd/0xd0 [ 151.382003][ T5823] kmem_cache_free+0x46e/0x610 [ 151.384153][ T5823] exit_mmap+0x544/0xb30 [ 151.386123][ T5823] __mmput+0x118/0x430 [ 151.388109][ T5823] exit_mm+0x168/0x220 [ 151.390024][ T5823] do_exit+0x62e/0x2310 [ 151.391818][ T5823] do_group_exit+0x21b/0x2d0 [ 151.393790][ T5823] __x64_sys_exit_group+0x3f/0x40 [ 151.396086][ T5823] __pfx_syscall_get_nr+0x0/0x10 [ 151.398362][ T5823] do_syscall_64+0xe2/0xf80 [ 151.400427][ T5823] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 151.403069][ T5823] [ 151.404169][ T5823] The buggy address belongs to the object at ffff88804db85000 [ 151.404169][ T5823] which belongs to the cache vm_area_struct of size 256 [ 151.410209][ T5823] The buggy address is located 192 bytes inside of [ 151.410209][ T5823] freed 256-byte region [ffff88804db85000, ffff88804db85100) [ 151.416372][ T5823] [ 151.417589][ T5823] The buggy address belongs to the physical page: [ 151.420546][ T5823] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4db85 [ 151.424590][ T5823] memcg:ffff88803926fa81 [ 151.426814][ T5823] flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff) [ 151.430003][ T5823] page_type: f5(slab) [ 151.431699][ T5823] raw: 04fff00000000000 ffff88803040ab40 dead000000000122 0000000000000000 [ 151.435427][ T5823] raw: 0000000000000000 00000000000c000c 00000000f5000000 ffff88803926fa81 [ 151.439145][ T5823] page dumped because: kasan: bad access detected [ 151.441794][ T5823] page_owner tracks the page as allocated [ 151.444377][ T5823] page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5814, tgid 5814 (dhcpcd-run-hook), ts 150457053178, free_ts 148146585252 [ 151.453220][ T5823] post_alloc_hook+0x228/0x280 [ 151.455269][ T5823] get_page_from_freelist+0x24dc/0x2580 [ 151.457736][ T5823] __alloc_frozen_pages_noprof+0x18d/0x380 [ 151.460334][ T5823] alloc_pages_mpol+0x232/0x4a0 [ 151.462437][ T5823] allocate_slab+0x86/0x3a0 [ 151.464325][ T5823] ___slab_alloc+0xd82/0x1760 [ 151.466338][ T5823] __kmem_cache_alloc_bulk+0x1ab/0x4d0 [ 151.468633][ T5823] __pcs_replace_empty_main+0x296/0x560 [ 151.471072][ T5823] kmem_cache_alloc_noprof+0x454/0x6e0 [ 151.473356][ T5823] vm_area_dup+0x2b/0x680 [ 151.475161][ T5823] dup_mmap+0x896/0x1bb0 [ 151.476867][ T5823] copy_mm+0x13b/0x4b0 [ 151.478651][ T5823] copy_process+0x166e/0x3980 [ 151.480712][ T5823] kernel_clone+0x248/0x870 [ 151.482791][ T5823] __x64_sys_clone+0x1b6/0x230 [ 151.484941][ T5823] do_syscall_64+0xe2/0xf80 [ 151.487014][ T5823] page last free pid 5753 tgid 5753 stack trace: [ 151.489818][ T5823] __free_frozen_pages+0xbb0/0xd10 [ 151.492095][ T5823] vfree+0x25a/0x400 [ 151.493817][ T5823] kcov_close+0x28/0x50 [ 151.495693][ T5823] __fput+0x44f/0xa70 [ 151.497493][ T5823] task_work_run+0x1d9/0x270 [ 151.499544][ T5823] do_exit+0x69b/0x2310 [ 151.501326][ T5823] do_group_exit+0x21b/0x2d0 [ 151.503384][ T5823] get_signal+0x1284/0x1330 [ 151.505291][ T5823] arch_do_signal_or_restart+0xbc/0x830 [ 151.507684][ T5823] exit_to_user_mode_loop+0x86/0x480 [ 151.509790][ T5823] do_syscall_64+0x2b7/0xf80 [ 151.511890][ T5823] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 151.514469][ T5823] [ 151.515550][ T5823] Memory state around the buggy address: [ 151.517974][ T5823] ffff88804db84f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 151.521282][ T5823] ffff88804db85000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 151.524827][ T5823] >ffff88804db85080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 151.528666][ T5823] ^ [ 151.531699][ T5823] ffff88804db85100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 151.534988][ T5823] ffff88804db85180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 151.538657][ T5823] ================================================================== [ 151.715982][ T5823] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 151.719186][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 151.723026][ T5823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 151.727370][ T5823] Call Trace: [ 151.728792][ T5823] [ 151.730097][ T5823] vpanic+0x1e0/0x670 [ 151.731960][ T5823] panic+0xc5/0xd0 [ 151.733618][ T5823] ? __pfx_panic+0x10/0x10 [ 151.735613][ T5823] ? preempt_schedule_common+0x82/0xd0 [ 151.738015][ T5823] ? diWrite+0x1209/0x1f40 [ 151.739710][ T5823] check_panic_on_warn+0x89/0xb0 [ 151.741746][ T5823] ? diWrite+0x1209/0x1f40 [ 151.743611][ T5823] end_report+0x6f/0x140 [ 151.745318][ T5823] kasan_report+0x128/0x150 [ 151.747362][ T5823] ? diWrite+0x1209/0x1f40 [ 151.749270][ T5823] kasan_check_range+0x264/0x2c0 [ 151.751416][ T5823] ? diWrite+0x1209/0x1f40 [ 151.753383][ T5823] __asan_memcpy+0x40/0x70 [ 151.755339][ T5823] diWrite+0x1209/0x1f40 [ 151.757324][ T5823] txCommit+0x869/0x5410 [ 151.759298][ T5823] ? __pfx_add_index+0x10/0x10 [ 151.761464][ T5823] ? __pfx_txCommit+0x10/0x10 [ 151.763455][ T5823] ? rcu_is_watching+0x15/0xb0 [ 151.765495][ T5823] ? __mark_inode_dirty+0x45c/0x1320 [ 151.767867][ T5823] add_missing_indices+0x8cb/0xcd0 [ 151.770025][ T5823] ? __pfx_add_missing_indices+0x10/0x10 [ 151.772284][ T5823] ? alloc_pages_noprof+0xbd/0x190 [ 151.774443][ T5823] jfs_readdir+0x1e31/0x3c10 [ 151.776429][ T5823] ? check_noncircular+0xc0/0x150 [ 151.778463][ T5823] ? __pfx_jfs_readdir+0x10/0x10 [ 151.780593][ T5823] ? down_write+0x16d/0x200 [ 151.782576][ T5823] ? __pfx_down_write+0x10/0x10 [ 151.784672][ T5823] ? wrap_directory_iterator+0x52/0xe0 [ 151.786965][ T5823] ? __pfx_jfs_readdir+0x10/0x10 [ 151.789094][ T5823] wrap_directory_iterator+0x96/0xe0 [ 151.791324][ T5823] iterate_dir+0x399/0x570 [ 151.793221][ T5823] __se_sys_getdents64+0xf1/0x280 [ 151.795339][ T5823] ? __pfx___se_sys_getdents64+0x10/0x10 [ 151.797710][ T5823] ? __pfx_filldir64+0x10/0x10 [ 151.799705][ T5823] ? rcu_is_watching+0x15/0xb0 [ 151.801665][ T5823] do_syscall_64+0xe2/0xf80 [ 151.803504][ T5823] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 151.806001][ T5823] ? trace_irq_disable+0x37/0x100 [ 151.808170][ T5823] ? clear_bhb_loop+0x60/0xb0 [ 151.810163][ T5823] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 151.812702][ T5823] RIP: 0033:0x7f59c699a679 [ 151.814547][ T5823] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 151.822342][ T5823] RSP: 002b:00007f59c7845028 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 151.825685][ T5823] RAX: ffffffffffffffda RBX: 00007f59c6c05fa0 RCX: 00007f59c699a679 [ 151.829033][ T5823] RDX: 0000000000001000 RSI: 0000200000000f80 RDI: 0000000000000005 [ 151.832384][ T5823] RBP: 00007f59c6a2dee0 R08: 0000000000000000 R09: 0000000000000000 [ 151.835760][ T5823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 151.839117][ T5823] R13: 00007f59c6c06038 R14: 00007f59c6c05fa0 R15: 00007ffe0c0bd868 [ 151.842328][ T5823] [ 151.843927][ T5823] Kernel Offset: disabled [ 151.845760][ T5823] Rebooting in 86400 seconds..