[ 35.163559][ T1604] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.322027][ T1604] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.362205][ T1604] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 37.402980][ T1604] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.821579][ T1604] device hsr_slave_0 left promiscuous mode [ 38.868171][ T1604] device hsr_slave_1 left promiscuous mode [ 38.958373][ T1604] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 38.959607][ T1604] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 38.961500][ T1604] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 38.962582][ T1604] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 38.963925][ T1604] device bridge_slave_1 left promiscuous mode [ 38.965153][ T1604] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.009435][ T1604] device bridge_slave_0 left promiscuous mode [ 39.010523][ T1604] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.138630][ T1604] device veth1_macvtap left promiscuous mode [ 39.139712][ T1604] device veth0_macvtap left promiscuous mode [ 39.140598][ T1604] device veth1_vlan left promiscuous mode [ 39.141478][ T1604] device veth0_vlan left promiscuous mode [ 39.252040][ T1604] team0 (unregistering): Port device team_slave_1 removed [ 39.256649][ T1604] team0 (unregistering): Port device team_slave_0 removed [ 39.262179][ T1604] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 39.303520][ T1604] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 39.413549][ T1604] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.175' (ED25519) to the list of known hosts. 1970/01/01 00:00:39 ignoring optional flag "type"="gce" 1970/01/01 00:00:39 parsed 1 programs [ 39.870632][ T4248] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:39 executed programs: 0 [ 39.946135][ T4255] chnl_net:caif_netlink_parms(): no params data found [ 39.965742][ T4255] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.966999][ T4255] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.969179][ T4255] device bridge_slave_0 entered promiscuous mode [ 39.971279][ T4255] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.972585][ T4255] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.974007][ T4255] device bridge_slave_1 entered promiscuous mode [ 39.981922][ T4255] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.984411][ T4255] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.993133][ T4255] team0: Port device team_slave_0 added [ 39.994975][ T4255] team0: Port device team_slave_1 added [ 40.002424][ T4255] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 40.003467][ T4255] 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. [ 40.007702][ T4255] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 40.010319][ T4255] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 40.011339][ T4255] 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. [ 40.015285][ T4255] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 40.059333][ T4255] device hsr_slave_0 entered promiscuous mode [ 40.098234][ T4255] device hsr_slave_1 entered promiscuous mode [ 40.764277][ T4255] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 40.789582][ T4255] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 40.819333][ T4255] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 40.859931][ T4255] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 40.925970][ T4255] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.930730][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.932120][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.935072][ T4255] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.937666][ T1688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.939490][ T1688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.940834][ T1688] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.941910][ T1688] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.943820][ T1688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.947743][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.951289][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.952799][ T404] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.953968][ T404] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.957696][ T1688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.963231][ T1688] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.966399][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.968686][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.970511][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.973640][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.975460][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.982688][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.984191][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.985649][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.987102][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.990520][ T4255] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.035901][ T4255] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.039326][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.040513][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.047358][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.049336][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.056702][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.059045][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.060649][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.062050][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 41.065646][ T4255] device veth0_vlan entered promiscuous mode [ 41.069985][ T4255] device veth1_vlan entered promiscuous mode [ 41.078339][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 41.079955][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 41.081478][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.082968][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.086132][ T4255] device veth0_macvtap entered promiscuous mode [ 41.090695][ T4255] device veth1_macvtap entered promiscuous mode [ 41.096565][ T4255] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.097777][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 41.101859][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 41.103343][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.104814][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.108804][ T4255] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.110481][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.112009][ T404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.114644][ T4255] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.115895][ T4255] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.117109][ T4255] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.120828][ T4255] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.152230][ T4371] ------------[ cut here ]------------ [ 41.153144][ T4371] WARNING: CPU: 1 PID: 4371 at block/genhd.c:590 del_gendisk+0x5b8/0x650 [ 41.154389][ T4371] Modules linked in: [ 41.154982][ T4371] CPU: 1 PID: 4371 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.156104][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 41.157596][ T4371] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 41.158804][ T4371] pc : del_gendisk+0x5b8/0x650 [ 41.159553][ T4371] lr : del_gendisk+0x5b8/0x650 [ 41.160247][ T4371] sp : ffff80001fcf7bd0 [ 41.160859][ T4371] x29: ffff80001fcf7bf0 x28: 1fffe00018bc2a10 x27: dfff800000000000 [ 41.162126][ T4371] x26: ffff0000c5e15080 x25: ffff0000d8534150 x24: ffff0000cc9471c0 [ 41.163444][ T4371] x23: dfff800000000000 x22: ffff0000cc303738 x21: ffff0000c5e15000 [ 41.164647][ T4371] x20: dfff800000000000 x19: 0000000000000240 x18: 0000000000000000 [ 41.165971][ T4371] x17: 0000000000000000 x16: ffff8000082c4ec4 x15: 0000000000004c82 [ 41.167305][ T4371] x14: 0000000000000001 x13: 1ffff00003f9ef74 x12: 0000000000000000 [ 41.168631][ T4371] x11: ff8080000a677984 x10: 0000000000000000 x9 : ffff80000a677984 [ 41.169816][ T4371] x8 : ffff0000d9f50000 x7 : ffff80000bd8c54c x6 : 0000000000000000 [ 41.171136][ T4371] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000114180ac [ 41.172322][ T4371] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 [ 41.173626][ T4371] Call trace: [ 41.174186][ T4371] del_gendisk+0x5b8/0x650 [ 41.174894][ T4371] loop_remove+0x44/0xdc [ 41.175593][ T4371] loop_control_ioctl+0x418/0x4e0 [ 41.176327][ T4371] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.177030][ T4371] invoke_syscall+0x98/0x28c [ 41.177729][ T4371] el0_svc_common+0x13c/0x258 [ 41.178438][ T4371] do_el0_svc+0x5c/0x140 [ 41.179160][ T4371] el0_svc+0x78/0x1d0 [ 41.179734][ T4371] el0t_64_sync_handler+0xcc/0xe4 [ 41.180502][ T4371] el0t_64_sync+0x1a0/0x1a4 [ 41.181178][ T4371] irq event stamp: 454 [ 41.181754][ T4371] hardirqs last enabled at (453): [] kasan_quarantine_put+0xc4/0x200 [ 41.183396][ T4371] hardirqs last disabled at (454): [] el1_dbg+0x24/0x80 [ 41.184687][ T4371] softirqs last enabled at (430): [] local_bh_enable+0x10/0x34 [ 41.186135][ T4371] softirqs last disabled at (428): [] local_bh_disable+0x10/0x34 [ 41.187533][ T4371] ---[ end trace dee2b313bec53e2e ]--- [ 41.938703][ T4123] Bluetooth: hci0: command 0x0409 tx timeout [ 44.008401][ T4075] Bluetooth: hci0: command 0x041b tx timeout 1970/01/01 00:00:44 executed programs: 305 [ 46.088839][ T4075] Bluetooth: hci0: command 0x040f tx timeout [ 48.168109][ T4123] Bluetooth: hci0: command 0x0419 tx timeout 1970/01/01 00:00:49 executed programs: 800