[ 76.302729][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.305616][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 [ 81.408236][ T835] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:63268' (ED25519) to the list of known hosts. 2025/05/23 00:12:15 ignoring optional flag "sandboxArg"="0" 2025/05/23 00:12:16 parsed 1 programs [ 86.540018][ T40] audit: type=1400 audit(1747959139.210:121): avc: denied { unlink } for pid=6234 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 87.638791][ T6234] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 90.001961][ T6252] chnl_net:caif_netlink_parms(): no params data found [ 90.090362][ T6252] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.093283][ T6252] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.096239][ T6252] bridge_slave_0: entered allmulticast mode [ 90.100307][ T6252] bridge_slave_0: entered promiscuous mode [ 90.103644][ T6252] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.105869][ T6252] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.108455][ T6252] bridge_slave_1: entered allmulticast mode [ 90.111096][ T6252] bridge_slave_1: entered promiscuous mode [ 90.155639][ T6252] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.161421][ T6252] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.210263][ T6252] team0: Port device team_slave_0 added [ 90.213971][ T6252] team0: Port device team_slave_1 added [ 90.250450][ T6252] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 90.253156][ T6252] 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. [ 90.262570][ T6252] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 90.266982][ T6252] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 90.269334][ T6252] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 90.277965][ T6252] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 90.319953][ T6252] hsr_slave_0: entered promiscuous mode [ 90.322221][ T6252] hsr_slave_1: entered promiscuous mode [ 90.928754][ T6252] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 90.933735][ T6252] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 90.937853][ T6252] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 90.942684][ T6252] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 90.956626][ T6252] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.959389][ T6252] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.962370][ T6252] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.965149][ T6252] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.993172][ T6252] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.005310][ T82] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.009633][ T82] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.020754][ T6252] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.026757][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.029382][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.035667][ T82] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.038500][ T82] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.173585][ T6252] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.198338][ T6252] veth0_vlan: entered promiscuous mode [ 91.203721][ T6252] veth1_vlan: entered promiscuous mode [ 91.221417][ T6252] veth0_macvtap: entered promiscuous mode [ 91.225387][ T6252] veth1_macvtap: entered promiscuous mode [ 91.242349][ T6252] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 91.251774][ T6252] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.260746][ T6252] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.264334][ T6252] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.268878][ T6252] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.272379][ T6252] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.381371][ T82] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.456250][ T82] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.486821][ T67] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.492221][ T67] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.497578][ T67] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.502221][ T67] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.505805][ T67] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 91.519429][ T82] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.618881][ T82] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.745312][ T1145] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.749196][ T1145] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.773166][ T1145] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.775663][ T1145] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.236448][ T40] audit: type=1401 audit(1747959145.900:122): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" 2025/05/23 00:12:26 executed programs: 0 [ 93.580200][ T67] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 93.583856][ T67] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 93.586843][ T67] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 93.590941][ T67] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 93.593642][ T67] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 93.723962][ T6427] chnl_net:caif_netlink_parms(): no params data found [ 93.830792][ T6427] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.833088][ T6427] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.835381][ T6427] bridge_slave_0: entered allmulticast mode [ 93.838549][ T6427] bridge_slave_0: entered promiscuous mode [ 93.842229][ T6427] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.844422][ T6427] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.846696][ T6427] bridge_slave_1: entered allmulticast mode [ 93.849841][ T6427] bridge_slave_1: entered promiscuous mode [ 93.882876][ T6427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.887698][ T6427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.924565][ T6427] team0: Port device team_slave_0 added [ 93.930087][ T6427] team0: Port device team_slave_1 added [ 93.982185][ T6427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.985060][ T6427] 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. [ 93.995651][ T6427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.001802][ T6427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.004593][ T6427] 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. [ 94.014959][ T6427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.091510][ T6427] hsr_slave_0: entered promiscuous mode [ 94.094710][ T6427] hsr_slave_1: entered promiscuous mode [ 94.098243][ T6427] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 94.101252][ T6427] Cannot create hsr debugfs directory [ 95.012197][ T82] bridge_slave_1: left allmulticast mode [ 95.014558][ T82] bridge_slave_1: left promiscuous mode [ 95.017093][ T82] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.022753][ T82] bridge_slave_0: left allmulticast mode [ 95.025155][ T82] bridge_slave_0: left promiscuous mode [ 95.028862][ T82] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.256713][ T82] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 95.263257][ T82] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 95.268530][ T82] bond0 (unregistering): Released all slaves [ 95.373266][ T82] hsr_slave_0: left promiscuous mode [ 95.375453][ T82] hsr_slave_1: left promiscuous mode [ 95.377519][ T82] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 95.379878][ T82] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 95.382747][ T82] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 95.385119][ T82] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 95.398614][ T82] veth1_macvtap: left promiscuous mode [ 95.400417][ T82] veth0_macvtap: left promiscuous mode [ 95.402249][ T82] veth1_vlan: left promiscuous mode [ 95.403967][ T82] veth0_vlan: left promiscuous mode [ 95.658409][ T67] Bluetooth: hci0: command tx timeout [ 95.812673][ T82] team0 (unregistering): Port device team_slave_1 removed [ 95.859836][ T82] team0 (unregistering): Port device team_slave_0 removed [ 96.614679][ T6427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.621029][ T6427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.625994][ T6427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.632661][ T6427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.706421][ T6427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.724589][ T6427] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.733857][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.736921][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.745392][ T1141] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.748500][ T1141] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.252542][ T6427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 97.292944][ T6427] veth0_vlan: entered promiscuous mode [ 97.305512][ T6427] veth1_vlan: entered promiscuous mode [ 97.358705][ T6427] veth0_macvtap: entered promiscuous mode [ 97.364237][ T6427] veth1_macvtap: entered promiscuous mode [ 97.377011][ T6427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 97.383954][ T6427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 97.389576][ T6427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.392999][ T6427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.395717][ T6427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.399136][ T6427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.452284][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.455419][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.474838][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.478283][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.539297][ T40] audit: type=1400 audit(1747959150.210:123): avc: denied { create } for pid=6509 comm="syz.0.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 97.588837][ T6510] FAULT_INJECTION: forcing a failure. [ 97.588837][ T6510] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 97.595050][ T6510] CPU: 0 UID: 0 PID: 6510 Comm: syz.0.16 Not tainted 6.15.0-rc7-syzkaller-00099-g94305e83eccb #0 PREEMPT(full) [ 97.595074][ T6510] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 97.595084][ T6510] Call Trace: [ 97.595091][ T6510] [ 97.595098][ T6510] dump_stack_lvl+0x16c/0x1f0 [ 97.595130][ T6510] should_fail_ex+0x512/0x640 [ 97.595158][ T6510] should_fail_alloc_page+0xe7/0x130 [ 97.595187][ T6510] prepare_alloc_pages+0x3c2/0x610 [ 97.595215][ T6510] __alloc_frozen_pages_noprof+0x18f/0x23a0 [ 97.595236][ T6510] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 97.595259][ T6510] ? stack_depot_save_flags+0x3e6/0xa50 [ 97.595290][ T6510] ? kasan_save_stack+0x42/0x60 [ 97.595306][ T6510] ? kasan_save_stack+0x33/0x60 [ 97.595322][ T6510] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 97.595338][ T6510] ? security_inode_alloc+0x3b/0x2b0 [ 97.595362][ T6510] ? alloc_inode+0x86/0x240 [ 97.595410][ T6510] ? __debugfs_create_file+0x11c/0x6b0 [ 97.595443][ T6510] ? debugfs_create_file_unsafe+0x3c/0x50 [ 97.595468][ T6510] ? debugfs_create_u32+0x70/0xa0 [ 97.595489][ T6510] ? nbd_start_device+0x415/0xcd0 [ 97.595507][ T6510] ? nbd_genl_connect+0x120e/0x1c20 [ 97.595524][ T6510] ? look_up_lock_class+0x6b/0x150 [ 97.595545][ T6510] ? genl_rcv_msg+0x55c/0x800 [ 97.595573][ T6510] ? __sys_sendmsg+0x16d/0x220 [ 97.595597][ T6510] ? __lock_acquire+0xaa4/0x1ba0 [ 97.595624][ T6510] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 97.595645][ T6510] ? policy_nodemask+0xea/0x4e0 [ 97.595675][ T6510] alloc_pages_mpol+0x1fb/0x550 [ 97.595696][ T6510] ? __pfx_alloc_pages_mpol+0x10/0x10 [ 97.595713][ T6510] ? do_raw_spin_lock+0x12c/0x2b0 [ 97.595732][ T6510] ? find_held_lock+0x2b/0x80 [ 97.595759][ T6510] alloc_pages_noprof+0x131/0x390 [ 97.595779][ T6510] get_free_pages_noprof+0xc/0x40 [ 97.595798][ T6510] inode_doinit_with_dentry+0x8d6/0x12e0 [ 97.595831][ T6510] ? __pfx_inode_doinit_with_dentry+0x10/0x10 [ 97.595858][ T6510] ? new_inode+0x15a/0x1c0 [ 97.595883][ T6510] selinux_d_instantiate+0x26/0x30 [ 97.595914][ T6510] security_d_instantiate+0x142/0x1a0 [ 97.595942][ T6510] d_instantiate+0x5c/0x90 [ 97.595963][ T6510] __debugfs_create_file+0x286/0x6b0 [ 97.595992][ T6510] debugfs_create_file_unsafe+0x3c/0x50 [ 97.596022][ T6510] debugfs_create_u32+0x70/0xa0 [ 97.596049][ T6510] nbd_start_device+0x415/0xcd0 [ 97.596086][ T6510] ? __nla_parse+0x40/0x60 [ 97.596108][ T6510] nbd_genl_connect+0x120e/0x1c20 [ 97.596133][ T6510] ? __pfx_nbd_genl_connect+0x10/0x10 [ 97.596158][ T6510] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1aa/0x290 [ 97.596184][ T6510] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b4/0x290 [ 97.596217][ T6510] genl_family_rcv_msg_doit+0x209/0x2f0 [ 97.596245][ T6510] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 97.596271][ T6510] ? genl_get_cmd+0x194/0x580 [ 97.596302][ T6510] ? kmem_cache_alloc_node_noprof+0x1d5/0x3b0 [ 97.596319][ T6510] ? kmalloc_reserve+0x18b/0x2c0 [ 97.596341][ T6510] ? __radix_tree_lookup+0x21f/0x2c0 [ 97.596368][ T6510] genl_rcv_msg+0x55c/0x800 [ 97.596397][ T6510] ? __pfx_genl_rcv_msg+0x10/0x10 [ 97.596423][ T6510] ? __pfx_nbd_genl_connect+0x10/0x10 [ 97.596444][ T6510] ? __lock_acquire+0xaa4/0x1ba0 [ 97.596476][ T6510] netlink_rcv_skb+0x16a/0x440 [ 97.596498][ T6510] ? __pfx_genl_rcv_msg+0x10/0x10 [ 97.596525][ T6510] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 97.596561][ T6510] ? __pfx_down_read+0x10/0x10 [ 97.596579][ T6510] ? netlink_deliver_tap+0x1ae/0xd30 [ 97.596605][ T6510] genl_rcv+0x28/0x40 [ 97.596627][ T6510] netlink_unicast+0x53d/0x7f0 [ 97.596653][ T6510] ? __pfx_netlink_unicast+0x10/0x10 [ 97.596689][ T6510] netlink_sendmsg+0x8d1/0xdd0 [ 97.596717][ T6510] ? __pfx_netlink_sendmsg+0x10/0x10 [ 97.596751][ T6510] ____sys_sendmsg+0xa95/0xc70 [ 97.596791][ T6510] ? copy_msghdr_from_user+0x10a/0x160 [ 97.596812][ T6510] ? __pfx_____sys_sendmsg+0x10/0x10 [ 97.596849][ T6510] ___sys_sendmsg+0x134/0x1d0 [ 97.596872][ T6510] ? __pfx____sys_sendmsg+0x10/0x10 [ 97.596925][ T6510] __sys_sendmsg+0x16d/0x220 [ 97.596953][ T6510] ? __pfx___sys_sendmsg+0x10/0x10 [ 97.596981][ T6510] ? rcu_is_watching+0x12/0xc0 [ 97.597011][ T6510] do_syscall_64+0xcd/0x260 [ 97.597039][ T6510] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.597057][ T6510] RIP: 0033:0x7f82e7b8e969 [ 97.597072][ T6510] 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 [ 97.597088][ T6510] RSP: 002b:00007f82e89aa038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.597104][ T6510] RAX: ffffffffffffffda RBX: 00007f82e7db5fa0 RCX: 00007f82e7b8e969 [ 97.597115][ T6510] RDX: 0000000000000000 RSI: 0000200000001ac0 RDI: 0000000000000006 [ 97.597126][ T6510] RBP: 00007f82e89aa090 R08: 0000000000000000 R09: 0000000000000000 [ 97.597136][ T6510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 97.597146][ T6510] R13: 0000000000000000 R14: 00007f82e7db5fa0 R15: 00007ffc373a8698 [ 97.597171][ T6510] [ 97.757648][ T67] Bluetooth: hci0: command tx timeout [ 97.826209][ T5284] block nbd0: Receive control failed (result -104) [ 97.937653][ T6512] FAULT_INJECTION: forcing a failure. [ 97.937653][ T6512] name failslab, interval 1, probability 0, space 0, times 1 [ 97.943434][ T6512] CPU: 1 UID: 0 PID: 6512 Comm: syz.0.17 Not tainted 6.15.0-rc7-syzkaller-00099-g94305e83eccb #0 PREEMPT(full) [ 97.943450][ T6512] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 97.943457][ T6512] Call Trace: [ 97.943462][ T6512] [ 97.943466][ T6512] dump_stack_lvl+0x16c/0x1f0 [ 97.943488][ T6512] should_fail_ex+0x512/0x640 [ 97.943503][ T6512] ? kmem_cache_alloc_noprof+0x5a/0x3b0 [ 97.943516][ T6512] should_failslab+0xc2/0x120 [ 97.943528][ T6512] kmem_cache_alloc_noprof+0x6d/0x3b0 [ 97.943539][ T6512] ? __kernfs_new_node+0xd2/0x8a0 [ 97.943553][ T6512] __kernfs_new_node+0xd2/0x8a0 [ 97.943565][ T6512] ? __pfx___kernfs_new_node+0x10/0x10 [ 97.943579][ T6512] ? find_held_lock+0x2b/0x80 [ 97.943593][ T6512] ? kernfs_root+0xee/0x2a0 [ 97.943607][ T6512] kernfs_new_node+0x13c/0x1e0 [ 97.943622][ T6512] __kernfs_create_file+0x53/0x350 [ 97.943644][ T6512] sysfs_add_file_mode_ns+0x207/0x3c0 [ 97.943665][ T6512] sysfs_create_file_ns+0x13d/0x1d0 [ 97.943683][ T6512] ? __pfx_sysfs_create_file_ns+0x10/0x10 [ 97.943699][ T6512] ? lockdep_hardirqs_on+0x7c/0x110 [ 97.943716][ T6512] ? nbd_start_device+0x8d8/0xcd0 [ 97.943730][ T6512] device_create_file+0xf2/0x1e0 [ 97.943747][ T6512] nbd_genl_connect+0x1373/0x1c20 [ 97.943762][ T6512] ? __pfx_nbd_genl_connect+0x10/0x10 [ 97.943777][ T6512] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1aa/0x290 [ 97.943794][ T6512] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b4/0x290 [ 97.943814][ T6512] genl_family_rcv_msg_doit+0x209/0x2f0 [ 97.943831][ T6512] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 97.943847][ T6512] ? genl_get_cmd+0x194/0x580 [ 97.943871][ T6512] ? kmem_cache_alloc_node_noprof+0x1d5/0x3b0 [ 97.943886][ T6512] ? kmalloc_reserve+0x18b/0x2c0 [ 97.943908][ T6512] ? __radix_tree_lookup+0x21f/0x2c0 [ 97.943939][ T6512] genl_rcv_msg+0x55c/0x800 [ 97.943968][ T6512] ? __pfx_genl_rcv_msg+0x10/0x10 [ 97.943989][ T6512] ? __pfx_nbd_genl_connect+0x10/0x10 [ 97.944002][ T6512] ? __lock_acquire+0xaa4/0x1ba0 [ 97.944021][ T6512] netlink_rcv_skb+0x16a/0x440 [ 97.944041][ T6512] ? __pfx_genl_rcv_msg+0x10/0x10 [ 97.944064][ T6512] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 97.944090][ T6512] ? __pfx_down_read+0x10/0x10 [ 97.944101][ T6512] ? netlink_deliver_tap+0x1ae/0xd30 [ 97.944116][ T6512] genl_rcv+0x28/0x40 [ 97.944130][ T6512] netlink_unicast+0x53d/0x7f0 [ 97.944146][ T6512] ? __pfx_netlink_unicast+0x10/0x10 [ 97.944163][ T6512] netlink_sendmsg+0x8d1/0xdd0 [ 97.944180][ T6512] ? __pfx_netlink_sendmsg+0x10/0x10 [ 97.944199][ T6512] ____sys_sendmsg+0xa95/0xc70 [ 97.944215][ T6512] ? copy_msghdr_from_user+0x10a/0x160 [ 97.944227][ T6512] ? __pfx_____sys_sendmsg+0x10/0x10 [ 97.944248][ T6512] ___sys_sendmsg+0x134/0x1d0 [ 97.944261][ T6512] ? __pfx____sys_sendmsg+0x10/0x10 [ 97.944290][ T6512] __sys_sendmsg+0x16d/0x220 [ 97.944302][ T6512] ? __pfx___sys_sendmsg+0x10/0x10 [ 97.944323][ T6512] do_syscall_64+0xcd/0x260 [ 97.944340][ T6512] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.944352][ T6512] RIP: 0033:0x7f82e7b8e969 [ 97.944361][ T6512] 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 [ 97.944371][ T6512] RSP: 002b:00007f82e89aa038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.944382][ T6512] RAX: ffffffffffffffda RBX: 00007f82e7db5fa0 RCX: 00007f82e7b8e969 [ 97.944388][ T6512] RDX: 0000000000000000 RSI: 0000200000001ac0 RDI: 0000000000000006 [ 97.944394][ T6512] RBP: 00007f82e89aa090 R08: 0000000000000000 R09: 0000000000000000 [ 97.944400][ T6512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 97.944406][ T6512] R13: 0000000000000000 R14: 00007f82e7db5fa0 R15: 00007ffc373a8698 [ 97.944419][ T6512] [ 97.944437][ T6512] block nbd1: device_create_file failed for backend! [ 98.072298][ T5284] block nbd1: Receive control failed (result -104) [ 98.075431][ T5284] block nbd1: shutting down sockets [ 98.085002][ T5284] ================================================================== [ 98.087625][ T5284] BUG: KASAN: slab-use-after-free in recv_work+0x694/0xa80 [ 98.089937][ T5284] Write of size 4 at addr ffff888032c10678 by task kworker/u33:1/5284 [ 98.093677][ T5284] [ 98.094760][ T5284] CPU: 0 UID: 0 PID: 5284 Comm: kworker/u33:1 Not tainted 6.15.0-rc7-syzkaller-00099-g94305e83eccb #0 PREEMPT(full) [ 98.094774][ T5284] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 98.094782][ T5284] Workqueue: nbd1-recv recv_work [ 98.094798][ T5284] Call Trace: [ 98.094803][ T5284] [ 98.094807][ T5284] dump_stack_lvl+0x116/0x1f0 [ 98.094825][ T5284] print_report+0xc3/0x670 [ 98.094836][ T5284] ? __virt_addr_valid+0x5e/0x590 [ 98.094852][ T5284] ? __phys_addr+0xc6/0x150 [ 98.094867][ T5284] ? recv_work+0x694/0xa80 [ 98.094876][ T5284] kasan_report+0xe0/0x110 [ 98.094891][ T5284] ? recv_work+0x694/0xa80 [ 98.094902][ T5284] kasan_check_range+0xef/0x1a0 [ 98.094915][ T5284] recv_work+0x694/0xa80 [ 98.094927][ T5284] ? __pfx_recv_work+0x10/0x10 [ 98.094937][ T5284] ? debug_object_deactivate+0x1ec/0x3a0 [ 98.094951][ T5284] ? rcu_is_watching+0x12/0xc0 [ 98.094965][ T5284] process_one_work+0x9cf/0x1b70 [ 98.094979][ T5284] ? __pfx_process_one_work+0x10/0x10 [ 98.094993][ T5284] ? assign_work+0x1a0/0x250 [ 98.095003][ T5284] worker_thread+0x6c8/0xf10 [ 98.095017][ T5284] ? __pfx_worker_thread+0x10/0x10 [ 98.095028][ T5284] kthread+0x3c2/0x780 [ 98.095038][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.095047][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.095057][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.095066][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.095075][ T5284] ? rcu_is_watching+0x12/0xc0 [ 98.095092][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.095101][ T5284] ret_from_fork+0x45/0x80 [ 98.095112][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.095122][ T5284] ret_from_fork_asm+0x1a/0x30 [ 98.095139][ T5284] [ 98.095144][ T5284] [ 98.147605][ T5284] Allocated by task 6512: [ 98.148969][ T5284] kasan_save_stack+0x33/0x60 [ 98.150468][ T5284] kasan_save_track+0x14/0x30 [ 98.152032][ T5284] __kasan_kmalloc+0xaa/0xb0 [ 98.153495][ T5284] nbd_alloc_and_init_config+0x97/0x2a0 [ 98.155237][ T5284] nbd_genl_connect+0x490/0x1c20 [ 98.156796][ T5284] genl_family_rcv_msg_doit+0x209/0x2f0 [ 98.158513][ T5284] genl_rcv_msg+0x55c/0x800 [ 98.159971][ T5284] netlink_rcv_skb+0x16a/0x440 [ 98.161689][ T5284] genl_rcv+0x28/0x40 [ 98.162984][ T5284] netlink_unicast+0x53d/0x7f0 [ 98.164511][ T5284] netlink_sendmsg+0x8d1/0xdd0 [ 98.166020][ T5284] ____sys_sendmsg+0xa95/0xc70 [ 98.167527][ T5284] ___sys_sendmsg+0x134/0x1d0 [ 98.169007][ T5284] __sys_sendmsg+0x16d/0x220 [ 98.170500][ T5284] do_syscall_64+0xcd/0x260 [ 98.172028][ T5284] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 98.173873][ T5284] [ 98.174645][ T5284] Freed by task 5284: [ 98.175911][ T5284] kasan_save_stack+0x33/0x60 [ 98.177390][ T5284] kasan_save_track+0x14/0x30 [ 98.178870][ T5284] kasan_save_free_info+0x3b/0x60 [ 98.180509][ T5284] __kasan_slab_free+0x51/0x70 [ 98.182048][ T5284] kfree+0x2b6/0x4d0 [ 98.183295][ T5284] nbd_config_put+0x3c1/0x750 [ 98.184816][ T5284] recv_work+0x681/0xa80 [ 98.186163][ T5284] process_one_work+0x9cf/0x1b70 [ 98.187724][ T5284] worker_thread+0x6c8/0xf10 [ 98.189188][ T5284] kthread+0x3c2/0x780 [ 98.190518][ T5284] ret_from_fork+0x45/0x80 [ 98.191903][ T5284] ret_from_fork_asm+0x1a/0x30 [ 98.193275][ T5284] [ 98.193960][ T5284] The buggy address belongs to the object at ffff888032c10600 [ 98.193960][ T5284] which belongs to the cache kmalloc-256 of size 256 [ 98.197968][ T5284] The buggy address is located 120 bytes inside of [ 98.197968][ T5284] freed 256-byte region [ffff888032c10600, ffff888032c10700) [ 98.202553][ T5284] [ 98.203295][ T5284] The buggy address belongs to the physical page: [ 98.205267][ T5284] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x32c10 [ 98.207949][ T5284] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 98.210408][ T5284] anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 98.212841][ T5284] page_type: f5(slab) [ 98.214064][ T5284] raw: 00fff00000000040 ffff88801b442b40 0000000000000000 dead000000000001 [ 98.216552][ T5284] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 [ 98.219056][ T5284] head: 00fff00000000040 ffff88801b442b40 0000000000000000 dead000000000001 [ 98.222015][ T5284] head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 [ 98.224631][ T5284] head: 00fff00000000001 ffffea0000cb0401 00000000ffffffff 00000000ffffffff [ 98.227213][ T5284] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 98.229786][ T5284] page dumped because: kasan: bad access detected [ 98.231732][ T5284] page_owner tracks the page as allocated [ 98.233446][ T5284] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5981, tgid 5981 (syz-executor), ts 59304648935, free_ts 58977320389 [ 98.239544][ T5284] post_alloc_hook+0x181/0x1b0 [ 98.241005][ T5284] get_page_from_freelist+0x135c/0x3920 [ 98.242674][ T5284] __alloc_frozen_pages_noprof+0x263/0x23a0 [ 98.244490][ T5284] alloc_pages_mpol+0x1fb/0x550 [ 98.245976][ T5284] new_slab+0x244/0x340 [ 98.247218][ T5284] ___slab_alloc+0xd9c/0x1940 [ 98.248641][ T5284] __slab_alloc.constprop.0+0x56/0xb0 [ 98.250200][ T5284] __kmalloc_cache_noprof+0xfb/0x3e0 [ 98.252025][ T5284] ____ip_mc_inc_group+0x403/0x10f0 [ 98.253830][ T5284] ip_mc_up+0x154/0x3b0 [ 98.255067][ T5284] inetdev_event+0xafb/0x18a0 [ 98.256488][ T5284] notifier_call_chain+0xbc/0x410 [ 98.257982][ T5284] call_netdevice_notifiers_info+0xbe/0x140 [ 98.259852][ T5284] __dev_notify_flags+0x12c/0x2e0 [ 98.261449][ T5284] netif_change_flags+0x108/0x160 [ 98.262988][ T5284] do_setlink.constprop.0+0xddf/0x44b0 [ 98.264714][ T5284] page last free pid 0 tgid 0 stack trace: [ 98.266441][ T5284] __free_frozen_pages+0x69d/0xff0 [ 98.267982][ T5284] rcu_core+0x79c/0x14e0 [ 98.269250][ T5284] handle_softirqs+0x216/0x8e0 [ 98.270743][ T5284] __irq_exit_rcu+0x109/0x170 [ 98.272242][ T5284] irq_exit_rcu+0x9/0x30 [ 98.273548][ T5284] sysvec_apic_timer_interrupt+0xa4/0xc0 [ 98.275211][ T5284] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 98.277495][ T5284] [ 98.278446][ T5284] Memory state around the buggy address: [ 98.280639][ T5284] ffff888032c10500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 98.283786][ T5284] ffff888032c10580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 98.286966][ T5284] >ffff888032c10600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 98.289790][ T5284] ^ [ 98.292247][ T5284] ffff888032c10680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 98.294652][ T5284] ffff888032c10700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 98.297020][ T5284] ================================================================== [ 98.300916][ T5284] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 98.303859][ T5284] CPU: 2 UID: 0 PID: 5284 Comm: kworker/u33:1 Not tainted 6.15.0-rc7-syzkaller-00099-g94305e83eccb #0 PREEMPT(full) [ 98.308630][ T5284] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 98.312930][ T5284] Workqueue: nbd1-recv recv_work [ 98.314990][ T5284] Call Trace: [ 98.316404][ T5284] [ 98.317643][ T5284] dump_stack_lvl+0x3d/0x1f0 [ 98.319588][ T5284] panic+0x71c/0x800 [ 98.321290][ T5284] ? __pfx_panic+0x10/0x10 [ 98.323107][ T5284] ? irqentry_exit+0x3b/0x90 [ 98.325008][ T5284] ? lockdep_hardirqs_on+0x7c/0x110 [ 98.327153][ T5284] ? preempt_schedule_thunk+0x16/0x30 [ 98.329356][ T5284] ? recv_work+0x694/0xa80 [ 98.331199][ T5284] ? preempt_schedule_common+0x44/0xc0 [ 98.333479][ T5284] ? check_panic_on_warn+0x1f/0xb0 [ 98.335577][ T5284] ? recv_work+0x694/0xa80 [ 98.337414][ T5284] check_panic_on_warn+0xab/0xb0 [ 98.339437][ T5284] end_report+0x107/0x170 [ 98.341242][ T5284] kasan_report+0xee/0x110 [ 98.343071][ T5284] ? recv_work+0x694/0xa80 [ 98.344929][ T5284] kasan_check_range+0xef/0x1a0 [ 98.346859][ T5284] recv_work+0x694/0xa80 [ 98.348291][ T5284] ? __pfx_recv_work+0x10/0x10 [ 98.350264][ T5284] ? debug_object_deactivate+0x1ec/0x3a0 [ 98.352596][ T5284] ? rcu_is_watching+0x12/0xc0 [ 98.354379][ T5284] process_one_work+0x9cf/0x1b70 [ 98.356077][ T5284] ? __pfx_process_one_work+0x10/0x10 [ 98.358158][ T5284] ? assign_work+0x1a0/0x250 [ 98.360089][ T5284] worker_thread+0x6c8/0xf10 [ 98.362035][ T5284] ? __pfx_worker_thread+0x10/0x10 [ 98.364114][ T5284] kthread+0x3c2/0x780 [ 98.365774][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.367649][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.369546][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.371488][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.373426][ T5284] ? rcu_is_watching+0x12/0xc0 [ 98.375242][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.377189][ T5284] ret_from_fork+0x45/0x80 [ 98.379052][ T5284] ? __pfx_kthread+0x10/0x10 [ 98.381002][ T5284] ret_from_fork_asm+0x1a/0x30 [ 98.383071][ T5284] [ 98.385110][ T5284] Kernel Offset: disabled [ 98.386920][ T5284] Rebooting in 86400 seconds..