Warning: Permanently added '10.128.1.125' (ED25519) to the list of known hosts. 1970/01/01 00:00:47 ignoring optional flag "type"="gce" 1970/01/01 00:00:47 parsed 1 programs [ 48.089487][ T4281] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:48 executed programs: 0 [ 48.157535][ T4289] chnl_net:caif_netlink_parms(): no params data found [ 48.176611][ T4289] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.178271][ T4289] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.179779][ T4289] device bridge_slave_0 entered promiscuous mode [ 48.181716][ T4289] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.182810][ T4289] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.184186][ T4289] device bridge_slave_1 entered promiscuous mode [ 48.192001][ T4289] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.195126][ T4289] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.203063][ T4289] team0: Port device team_slave_0 added [ 48.204765][ T4289] team0: Port device team_slave_1 added [ 48.211539][ T4289] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.212636][ T4289] 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. [ 48.216687][ T4289] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.219630][ T4289] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.220636][ T4289] 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. [ 48.224616][ T4289] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.268788][ T4289] device hsr_slave_0 entered promiscuous mode [ 48.307966][ T4289] device hsr_slave_1 entered promiscuous mode [ 48.858407][ T4289] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.889594][ T4289] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.918490][ T4289] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.948680][ T4289] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.995843][ T4289] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.997169][ T4289] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.998482][ T4289] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.999551][ T4289] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.022352][ T4289] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.026371][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.029481][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.031048][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.033146][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 49.038398][ T4289] 8021q: adding VLAN 0 to HW filter on device team0 [ 49.041601][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.043430][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.044500][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.048435][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.050067][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.051174][ T348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.060512][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.062253][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.066329][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.071724][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.075141][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.079396][ T4289] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.122422][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 49.123722][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 49.128822][ T4289] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.136637][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.144803][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.146478][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.149503][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.151154][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.153885][ T4289] device veth0_vlan entered promiscuous mode [ 49.157036][ T4289] device veth1_vlan entered promiscuous mode [ 49.166593][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 49.168205][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 49.169631][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.171474][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.176093][ T4289] device veth0_macvtap entered promiscuous mode [ 49.180207][ T4289] device veth1_macvtap entered promiscuous mode [ 49.186038][ T4289] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 49.188655][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 49.190175][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.191961][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.193529][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.196501][ T4289] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 49.198244][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.199833][ T348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.202329][ T4289] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.203683][ T4289] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.204926][ T4289] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.206221][ T4289] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.240535][ T4419] loop0: detected capacity change from 0 to 64 [ 49.301044][ T4419] [ 49.301440][ T4419] ============================================ [ 49.302439][ T4419] WARNING: possible recursive locking detected [ 49.303447][ T4419] syzkaller #0 Not tainted [ 49.304205][ T4419] -------------------------------------------- [ 49.305175][ T4419] syz-executor.0/4419 is trying to acquire lock: [ 49.306185][ T4419] ffff0000d90380b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 [ 49.307764][ T4419] [ 49.307764][ T4419] but task is already holding lock: [ 49.309007][ T4419] ffff0000d90380b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 [ 49.310422][ T4419] [ 49.310422][ T4419] other info that might help us debug this: [ 49.311792][ T4419] Possible unsafe locking scenario: [ 49.311792][ T4419] [ 49.312975][ T4419] CPU0 [ 49.313510][ T4419] ---- [ 49.314054][ T4419] lock(&tree->tree_lock/1); [ 49.314882][ T4419] lock(&tree->tree_lock/1); [ 49.315689][ T4419] [ 49.315689][ T4419] *** DEADLOCK *** [ 49.315689][ T4419] [ 49.317046][ T4419] May be due to missing lock nesting notation [ 49.317046][ T4419] [ 49.318341][ T4419] 6 locks held by syz-executor.0/4419: [ 49.319135][ T4419] #0: ffff0000d5c780f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x118/0x170 [ 49.320540][ T4419] #1: ffff0000d9a90460 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x228/0xa2c [ 49.321946][ T4419] #2: ffff0000c1579628 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: generic_file_write_iter+0x80/0x1b4 [ 49.323770][ T4419] #3: ffff0000c1579478 (&HFS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xd8/0x1000 [ 49.325445][ T4419] #4: ffff0000d90380b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 [ 49.326994][ T4419] #5: ffff0000c15780f8 (&HFS_I(tree->inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xd8/0x1000 [ 49.328759][ T4419] [ 49.328759][ T4419] stack backtrace: [ 49.329695][ T4419] CPU: 0 PID: 4419 Comm: syz-executor.0 Not tainted syzkaller #0 [ 49.330930][ T4419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 49.332405][ T4419] Call trace: [ 49.332923][ T4419] dump_backtrace+0x0/0x43c [ 49.333592][ T4419] show_stack+0x2c/0x3c [ 49.334241][ T4419] __dump_stack+0x30/0x40 [ 49.334915][ T4419] dump_stack_lvl+0xf8/0x160 [ 49.335661][ T4419] dump_stack+0x1c/0x5c [ 49.336324][ T4419] __lock_acquire+0x18a4/0x651c [ 49.337072][ T4419] lock_acquire+0x1f4/0x620 [ 49.337804][ T4419] __mutex_lock_common+0x194/0x1edc [ 49.338647][ T4419] mutex_lock_nested+0xac/0x11c [ 49.339434][ T4419] hfs_find_init+0x148/0x1c8 [ 49.340121][ T4419] hfs_extend_file+0x250/0x1000 [ 49.340896][ T4419] hfs_bmap_reserve+0xd4/0x3e0 [ 49.341604][ T4419] __hfs_ext_write_extent+0x19c/0x488 [ 49.342508][ T4419] __hfs_ext_cache_extent+0x84/0x750 [ 49.343344][ T4419] hfs_extend_file+0x27c/0x1000 [ 49.344051][ T4419] hfs_get_block+0x2e8/0x9ec [ 49.344814][ T4419] __block_write_begin_int+0x3e4/0x1588 [ 49.345689][ T4419] cont_write_begin+0x4e4/0x6dc [ 49.346414][ T4419] hfs_write_begin+0xa8/0xf8 [ 49.347138][ T4419] generic_perform_write+0x204/0x480 [ 49.347907][ T4419] __generic_file_write_iter+0x23c/0x454 [ 49.348799][ T4419] generic_file_write_iter+0xb0/0x1b4 [ 49.349623][ T4419] vfs_write+0x7c8/0xa2c [ 49.350334][ T4419] ksys_write+0x120/0x210 [ 49.350979][ T4419] __arm64_sys_write+0x7c/0x90 [ 49.351762][ T4419] invoke_syscall+0x98/0x2b8 [ 49.352483][ T4419] el0_svc_common+0x138/0x258 [ 49.353275][ T4419] do_el0_svc+0x58/0x14c [ 49.353976][ T4419] el0_svc+0x78/0x1e0 [ 49.354640][ T4419] el0t_64_sync_handler+0xcc/0xe4 [ 49.355491][ T4419] el0t_64_sync+0x1a0/0x1a4 [ 50.167378][ T4094] Bluetooth: hci0: command 0x0409 tx timeout [ 52.247188][ T13] Bluetooth: hci0: command 0x041b tx timeout [ 54.327251][ T13] Bluetooth: hci0: command 0x040f tx timeout [ 54.327607][ T136] attempt to access beyond end of device [ 54.327607][ T136] loop0: rw=1048577, want=96, limit=64 [ 54.330077][ T136] Buffer I/O error on dev loop0, logical block 95, lost async page write [ 54.331423][ T136] attempt to access beyond end of device [ 54.331423][ T136] loop0: rw=1048577, want=97, limit=64 [ 54.333045][ T136] Buffer I/O error on dev loop0, logical block 96, lost async page write [ 54.334506][ T136] attempt to access beyond end of device [ 54.334506][ T136] loop0: rw=1048577, want=99, limit=64 [ 54.336182][ T136] Buffer I/O error on dev loop0, logical block 98, lost async page write [ 54.337591][ T136] attempt to access beyond end of device [ 54.337591][ T136] loop0: rw=1048577, want=101, limit=64 [ 54.339265][ T136] Buffer I/O error on dev loop0, logical block 100, lost async page write [ 54.340589][ T136] attempt to access beyond end of device [ 54.340589][ T136] loop0: rw=1048577, want=102, limit=64 [ 54.342244][ T136] Buffer I/O error on dev loop0, logical block 101, lost async page write [ 54.343564][ T136] attempt to access beyond end of device [ 54.343564][ T136] loop0: rw=1048577, want=103, limit=64 [ 54.345270][ T136] Buffer I/O error on dev loop0, logical block 102, lost async page write [ 54.346677][ T136] attempt to access beyond end of device [ 54.346677][ T136] loop0: rw=1048577, want=104, limit=64 [ 54.348474][ T136] Buffer I/O error on dev loop0, logical block 103, lost async page write [ 54.349807][ T136] attempt to access beyond end of device [ 54.349807][ T136] loop0: rw=1048577, want=105, limit=64 [ 54.351532][ T136] Buffer I/O error on dev loop0, logical block 104, lost async page write [ 54.355619][ T136] attempt to access beyond end of device [ 54.355619][ T136] loop0: rw=1, want=4169, limit=64 [ 56.407166][ T4071] Bluetooth: hci0: command 0x0419 tx timeout