forked to background, child pid 3208 no interfaces have a carrier [ 27.160745][ T3209] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.173166][ T3209] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.224' (ECDSA) to the list of known hosts. syzkaller login: [ 58.252497][ T3626] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.260900][ T3626] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.268710][ T3626] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.276822][ T3626] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.284510][ T3626] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.292312][ T3626] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.366642][ T3625] chnl_net:caif_netlink_parms(): no params data found [ 58.404413][ T3625] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.412981][ T3625] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.420933][ T3625] device bridge_slave_0 entered promiscuous mode [ 58.430399][ T3625] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.437587][ T3625] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.445288][ T3625] device bridge_slave_1 entered promiscuous mode [ 58.464117][ T3625] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.474829][ T3625] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.495789][ T3625] team0: Port device team_slave_0 added [ 58.503351][ T3625] team0: Port device team_slave_1 added [ 58.519223][ T3625] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 58.526172][ T3625] 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. [ 58.552249][ T3625] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 58.564394][ T3625] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 58.571558][ T3625] 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. [ 58.597509][ T3625] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 58.625954][ T3625] device hsr_slave_0 entered promiscuous mode [ 58.633320][ T3625] device hsr_slave_1 entered promiscuous mode [ 58.704169][ T3625] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.714340][ T3625] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.723516][ T3625] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.733107][ T3625] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.753821][ T3625] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.761176][ T3625] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.769105][ T3625] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.776200][ T3625] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.820864][ T3625] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.833370][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.843310][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.852870][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.862188][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.875883][ T3625] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.886278][ T3635] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.895156][ T3635] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.902276][ T3635] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.913210][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.921743][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.928897][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.947996][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.957084][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.965928][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.976844][ T3635] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.989217][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.000003][ T3625] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.017669][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.025194][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.038010][ T3625] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.054918][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.072867][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.081753][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.089695][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.099208][ T3625] device veth0_vlan entered promiscuous mode [ 59.110251][ T3625] device veth1_vlan entered promiscuous mode [ 59.128397][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.136458][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.144843][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.155238][ T3625] device veth0_macvtap entered promiscuous mode [ 59.165525][ T3625] device veth1_macvtap entered promiscuous mode [ 59.181207][ T3625] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.188989][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.199229][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.210373][ T3625] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.218480][ T3636] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.229226][ T3625] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.238263][ T3625] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.247195][ T3625] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.255934][ T3625] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.310664][ T101] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.325110][ T101] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 59.335290][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 59.344499][ T101] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 59.352728][ T101] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 59.362631][ T2958] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.376686][ T3638] loop0: detected capacity change from 0 to 128 [ 59.385793][ T3638] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 [ 59.399831][ T3638] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 59.423484][ T3639] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 59.435274][ T3639] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 59.443770][ T3639] CPU: 1 PID: 3639 Comm: syz-executor332 Not tainted 6.1.0-syzkaller-03225-g764822972d64 #0 [ 59.453816][ T3639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 59.463955][ T3639] RIP: 0010:mark_buffer_dirty_inode+0x55/0x3d0 [ 59.470302][ T3639] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ec 02 00 00 48 8d 7b 10 48 8b 6d 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b5 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b [ 59.490081][ T3639] RSP: 0018:ffffc90003f9f998 EFLAGS: 00010212 [ 59.496128][ T3639] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.504085][ T3639] RDX: 0000000000000002 RSI: ffffffff81ecf6ed RDI: 0000000000000010 [ 59.512138][ T3639] RBP: ffff888071d489e8 R08: 0000000000000001 R09: 0000000000000003 [ 59.520366][ T3639] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888071d48158 [ 59.528322][ T3639] R13: 0000000000000001 R14: 0000000000000000 R15: ffff888071d487c0 [ 59.536285][ T3639] FS: 00007ff0ea088700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 59.545212][ T3639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.551783][ T3639] CR2: 00007ff0ea088718 CR3: 000000001d407000 CR4: 0000000000350ee0 [ 59.559830][ T3639] Call Trace: [ 59.563114][ T3639] [ 59.566119][ T3639] ? udf_update_tag+0x15a/0x1c0 [ 59.570970][ T3639] udf_rename+0x7f4/0x1260 [ 59.575469][ T3639] ? udf_unlink+0x480/0x480 [ 59.579985][ T3639] ? find_held_lock+0x2d/0x110 [ 59.584760][ T3639] ? vfs_rename+0x49f/0x1a90 [ 59.589348][ T3639] ? lock_downgrade+0x6e0/0x6e0 [ 59.594270][ T3639] ? do_raw_spin_lock+0x124/0x2b0 [ 59.599299][ T3639] ? udf_unlink+0x480/0x480 [ 59.603796][ T3639] vfs_rename+0x1162/0x1a90 [ 59.608313][ T3639] ? path_openat+0x2a60/0x2a60 [ 59.613068][ T3639] ? do_raw_spin_unlock+0x175/0x230 [ 59.618347][ T3639] ? _raw_spin_unlock+0x28/0x40 [ 59.623192][ T3639] ? bpf_lsm_path_rename+0x9/0x10 [ 59.628206][ T3639] ? security_path_rename+0x158/0x230 [ 59.633577][ T3639] do_renameat2+0xb22/0xc30 [ 59.638073][ T3639] ? __ia32_sys_link+0xa0/0xa0 [ 59.642825][ T3639] ? __virt_addr_valid+0x61/0x2e0 [ 59.647930][ T3639] ? __phys_addr_symbol+0x30/0x70 [ 59.652945][ T3639] ? strncpy_from_user+0x28b/0x3c0 [ 59.658053][ T3639] __x64_sys_rename+0x81/0xa0 [ 59.662719][ T3639] do_syscall_64+0x39/0xb0 [ 59.667127][ T3639] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.673018][ T3639] RIP: 0033:0x7ff0f2cfa699 [ 59.677428][ T3639] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 59.697027][ T3639] RSP: 002b:00007ff0ea088208 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 59.705536][ T3639] RAX: ffffffffffffffda RBX: 00007ff0f2d79798 RCX: 00007ff0f2cfa699 [ 59.713669][ T3639] RDX: 00007ff0ea088700 RSI: 0000000020000100 RDI: 0000000020000040 [ 59.721797][ T3639] RBP: 00007ff0f2d79790 R08: 00007ff0ea088700 R09: 0000000000000000 [ 59.729756][ T3639] R10: 00007ff0ea088700 R11: 0000000000000246 R12: 00007ff0f2d7979c [ 59.737714][ T3639] R13: 00007ffc28596d7f R14: 00007ff0ea088300 R15: 0000000000022000 [ 59.745676][ T3639] [ 59.748685][ T3639] Modules linked in: [ 59.756218][ T3639] ---[ end trace 0000000000000000 ]--- [ 59.761891][ T3639] RIP: 0010:mark_buffer_dirty_inode+0x55/0x3d0 [ 59.768289][ T3639] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ec 02 00 00 48 8d 7b 10 48 8b 6d 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b5 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b [ 59.788274][ T3639] RSP: 0018:ffffc90003f9f998 EFLAGS: 00010212 [ 59.794574][ T3639] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.803370][ T3639] RDX: 0000000000000002 RSI: ffffffff81ecf6ed RDI: 0000000000000010 [ 59.811599][ T3639] RBP: ffff888071d489e8 R08: 0000000000000001 R09: 0000000000000003 [ 59.819807][ T3639] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888071d48158 [ 59.827908][ T3639] R13: 0000000000000001 R14: 0000000000000000 R15: ffff888071d487c0 [ 59.835898][ T3639] FS: 00007ff0ea088700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 59.845038][ T3639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.851817][ T3639] CR2: 0000560de74c9068 CR3: 000000001d407000 CR4: 0000000000350ef0 [ 59.859898][ T3639] Kernel panic - not syncing: Fatal exception [ 59.866813][ T3639] Kernel Offset: disabled [ 59.871127][ T3639] Rebooting in 86400 seconds..