Warning: Permanently added '10.128.1.132' (ED25519) to the list of known hosts. 2026/04/05 21:14:34 parsed 1 programs [ 70.603784][ T4187] cgroup: Unknown subsys name 'net' [ 70.751105][ T4187] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 71.419050][ T1419] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.425636][ T1419] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.394429][ T4187] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 75.211682][ T4235] chnl_net:caif_netlink_parms(): no params data found [ 75.281305][ T4235] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.289219][ T4235] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.298899][ T4235] device bridge_slave_0 entered promiscuous mode [ 75.310215][ T4235] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.318734][ T4235] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.327153][ T4235] device bridge_slave_1 entered promiscuous mode [ 75.356441][ T4235] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.368219][ T4235] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.397855][ T4235] team0: Port device team_slave_0 added [ 75.406139][ T4235] team0: Port device team_slave_1 added [ 75.429985][ T4235] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.437220][ T4235] 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. [ 75.463341][ T4235] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.476890][ T4235] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.483956][ T4235] 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. [ 75.510050][ T4235] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.552315][ T4235] device hsr_slave_0 entered promiscuous mode [ 75.559380][ T4235] device hsr_slave_1 entered promiscuous mode [ 75.700314][ T4235] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.712486][ T4235] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.723972][ T4235] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.737273][ T4235] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.769460][ T4235] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.776863][ T4235] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.784937][ T4235] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.792066][ T4235] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.851423][ T4235] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.872119][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.884599][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.893886][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.911072][ T4235] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.923257][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.932696][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.942329][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.949487][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.965134][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.974254][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.983134][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.990301][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.998468][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.016716][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.025856][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.035340][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.048687][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.057668][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.067456][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.094400][ T4235] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.110800][ T4235] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.130295][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.140163][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.161856][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.172127][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.185814][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.316203][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.323758][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.337381][ T4235] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.355542][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 76.364311][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.386404][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 76.395103][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.403933][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.412286][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.423850][ T4235] device veth0_vlan entered promiscuous mode [ 76.438005][ T4235] device veth1_vlan entered promiscuous mode [ 76.459407][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.467758][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.476449][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.485653][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.496701][ T4235] device veth0_macvtap entered promiscuous mode [ 76.507404][ T4235] device veth1_macvtap entered promiscuous mode [ 76.524173][ T4235] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.531885][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.547393][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.556574][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.565718][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.577769][ T4235] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.602526][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.612415][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.626146][ T4235] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.636126][ T4235] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.645437][ T4235] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.654198][ T4235] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.870197][ T4243] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.883893][ T4243] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.896693][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.932842][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.941397][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.950352][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2026/04/05 21:14:44 executed programs: 0 [ 78.792814][ T4288] chnl_net:caif_netlink_parms(): no params data found [ 78.850530][ T4288] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.857909][ T4288] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.867726][ T4288] device bridge_slave_0 entered promiscuous mode [ 78.876850][ T4288] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.884027][ T4288] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.892735][ T4288] device bridge_slave_1 entered promiscuous mode [ 78.917734][ T4288] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.930813][ T4288] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.959055][ T4288] team0: Port device team_slave_0 added [ 78.967381][ T4288] team0: Port device team_slave_1 added [ 78.986686][ T4288] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.993885][ T4288] 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. [ 79.020374][ T4288] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.033723][ T4288] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.040940][ T4288] 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. [ 79.067262][ T4288] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.102290][ T4288] device hsr_slave_0 entered promiscuous mode [ 79.109812][ T4288] device hsr_slave_1 entered promiscuous mode [ 79.117807][ T4288] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 79.125896][ T4288] Cannot create hsr debugfs directory [ 79.167348][ T155] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 80.695688][ T4253] Bluetooth: hci0: command 0x0409 tx timeout [ 81.461995][ T155] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.515946][ T155] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 81.554171][ T155] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.409538][ T4288] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.419779][ T4288] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.430004][ T4288] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.441391][ T4288] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.518913][ T4288] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.551931][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.560478][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.573818][ T4288] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.588082][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.597646][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.610110][ T4243] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.617279][ T4243] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.686967][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.697644][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.709283][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.719200][ T4243] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.726362][ T4243] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.736161][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.745253][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.757338][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.766383][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.774688][ T4246] Bluetooth: hci0: command 0x041b tx timeout [ 82.786696][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.794985][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.803585][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.838919][ T4288] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 82.849936][ T4288] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 82.861811][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.871826][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.880944][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.889923][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.902486][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.019783][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.027647][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.042221][ T4288] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.070691][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 83.079630][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.099548][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 83.108951][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.119996][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.128000][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.138948][ T4288] device veth0_vlan entered promiscuous mode [ 83.166628][ T4288] device veth1_vlan entered promiscuous mode [ 83.189365][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.197852][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.206551][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.215640][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.228246][ T4288] device veth0_macvtap entered promiscuous mode [ 83.258708][ T4288] device veth1_macvtap entered promiscuous mode [ 83.273957][ T4288] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 83.285076][ T4288] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.297892][ T4288] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.306891][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.315559][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.323592][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.333892][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.345276][ T4288] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 83.356398][ T4288] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 83.368949][ T4288] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.377258][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.386638][ T4243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.398877][ T4288] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.409030][ T4288] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.418897][ T4288] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.428026][ T4288] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.509841][ T4243] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.521474][ T4243] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.532230][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 83.571449][ T4243] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.580596][ T4243] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.590135][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 83.652283][ T4333] [ 83.655205][ T4333] ============================= [ 83.660103][ T4333] WARNING: suspicious RCU usage [ 83.666841][ T4333] syzkaller #0 Not tainted [ 83.671312][ T4333] ----------------------------- [ 83.677448][ T4333] include/linux/rhashtable.h:594 suspicious rcu_dereference_check() usage! [ 83.686450][ T4333] [ 83.686450][ T4333] other info that might help us debug this: [ 83.686450][ T4333] [ 83.696861][ T4333] [ 83.696861][ T4333] rcu_scheduler_active = 2, debug_locks = 1 [ 83.705316][ T4333] 1 lock held by syz.0.17/4333: [ 83.710208][ T4333] #0: ffffffff8d43cb48 (rtnl_mutex){+.+.}-{3:3}, at: ip_mroute_setsockopt+0x136/0x1250 [ 83.720362][ T4333] [ 83.720362][ T4333] stack backtrace: [ 83.726437][ T4333] CPU: 0 PID: 4333 Comm: syz.0.17 Not tainted syzkaller #0 [ 83.733691][ T4333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 83.743780][ T4333] Call Trace: [ 83.747174][ T4333] [ 83.750145][ T4333] dump_stack_lvl+0x188/0x250 [ 83.754854][ T4333] ? load_image+0x400/0x400 [ 83.759380][ T4333] ? show_regs_print_info+0x20/0x20 [ 83.764608][ T4333] ? lockdep_rcu_suspicious+0x110/0x180 [ 83.770208][ T4333] ? local_bh_enable+0x20/0x20 [ 83.775004][ T4333] rhltable_lookup+0x7a9/0x7c0 [ 83.779788][ T4333] ? local_bh_enable+0x20/0x20 [ 83.784691][ T4333] ? mr_mfc_find_parent+0x190/0x190 [ 83.789931][ T4333] ? mark_lock+0x94/0x320 [ 83.794296][ T4333] ? local_bh_enable+0x20/0x20 [ 83.799220][ T4333] ? mark_lock+0x94/0x320 [ 83.803586][ T4333] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 83.809702][ T4333] ? lock_chain_count+0x20/0x20 [ 83.814601][ T4333] mr_mfc_find_any_parent+0xb6/0x1e0 [ 83.820049][ T4333] ? local_bh_enable+0x20/0x20 [ 83.824883][ T4333] ip_mr_forward+0x24c/0xf90 [ 83.829581][ T4333] ipmr_mfc_add+0x23cc/0x2d40 [ 83.834524][ T4333] ? ipmr_mfc_delete+0x5f0/0x5f0 [ 83.839520][ T4333] ? __lock_acquire+0x7d10/0x7d10 [ 83.844571][ T4333] ? mark_lock+0x94/0x320 [ 83.848956][ T4333] ip_mroute_setsockopt+0xeaf/0x1250 [ 83.854304][ T4333] ? ipmr_rule_default+0x70/0x70 [ 83.859263][ T4333] ? do_futex+0xd73/0x12b0 [ 83.863729][ T4333] ? __might_sleep+0xf0/0xf0 [ 83.868363][ T4333] ip_setsockopt+0x568/0x3130 [ 83.873114][ T4333] ? ipv4_pktinfo_prepare+0x6f0/0x6f0 [ 83.878670][ T4333] ? aa_sk_perm+0x7dc/0x910 [ 83.883206][ T4333] ? aa_af_perm+0x340/0x340 [ 83.887897][ T4333] ? aa_sock_opt_perm+0x74/0x100 [ 83.893056][ T4333] ? sock_common_setsockopt+0x32/0xb0 [ 83.898450][ T4333] ? raw_setsockopt+0xc5/0x180 [ 83.903356][ T4333] ? sock_common_recvmsg+0x1c0/0x1c0 [ 83.908680][ T4333] __sys_setsockopt+0x2bf/0x3d0 [ 83.913619][ T4333] __x64_sys_setsockopt+0xb1/0xc0 [ 83.918788][ T4333] do_syscall_64+0x4c/0xa0 [ 83.923234][ T4333] ? clear_bhb_loop+0x30/0x80 [ 83.927932][ T4333] ? clear_bhb_loop+0x30/0x80 [ 83.932647][ T4333] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 83.938559][ T4333] RIP: 0033:0x7f4278409819 [ 83.942989][ T4333] 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 [ 83.962601][ T4333] RSP: 002b:00007ffdad4cf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 83.971031][ T4333] RAX: ffffffffffffffda RBX: 00007f4278682fa0 RCX: 00007f4278409819 [ 83.979040][ T4333] RDX: 00000000000000d2 RSI: 0000000000000000 RDI: 0000000000000005 [ 83.987042][ T4333] RBP: 00007f427849fc91 R08: 000000000000003c R09: 0000000000000000 [ 83.995051][ T4333] R10: 0000200000000200 R11: 0000000000000246 R12: 0000000000000000 [ 84.003040][ T4333] R13: 00007f4278682fac R14: 00007f4278682fa0 R15: 00007f4278682fa0 [ 84.011050][ T4333] [ 84.018312][ T4333] [ 84.020826][ T4333] ============================= [ 84.025817][ T4333] WARNING: suspicious RCU usage [ 84.030825][ T4333] syzkaller #0 Not tainted [ 84.035440][ T4333] ----------------------------- [ 84.040414][ T4333] include/linux/rhashtable.h:369 suspicious rcu_dereference_check() usage! [ 84.049257][ T4333] [ 84.049257][ T4333] other info that might help us debug this: [ 84.049257][ T4333] [ 84.059911][ T4333] [ 84.059911][ T4333] rcu_scheduler_active = 2, debug_locks = 1 [ 84.068088][ T4333] 1 lock held by syz.0.17/4333: [ 84.072960][ T4333] #0: ffffffff8d43cb48 (rtnl_mutex){+.+.}-{3:3}, at: ip_mroute_setsockopt+0x136/0x1250 [ 84.082950][ T4333] [ 84.082950][ T4333] stack backtrace: [ 84.089459][ T4333] CPU: 0 PID: 4333 Comm: syz.0.17 Not tainted syzkaller #0 [ 84.096788][ T4333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.107121][ T4333] Call Trace: [ 84.110434][ T4333] [ 84.113417][ T4333] dump_stack_lvl+0x188/0x250 [ 84.118191][ T4333] ? load_image+0x400/0x400 [ 84.122726][ T4333] ? show_regs_print_info+0x20/0x20 [ 84.127962][ T4333] ? lockdep_rcu_suspicious+0x110/0x180 [ 84.133544][ T4333] ? local_bh_enable+0x20/0x20 [ 84.138320][ T4333] rhltable_lookup+0x52a/0x7c0 [ 84.143114][ T4333] ? local_bh_enable+0x20/0x20 [ 84.147903][ T4333] ? mr_mfc_find_parent+0x190/0x190 [ 84.153133][ T4333] ? mark_lock+0x94/0x320 [ 84.157471][ T4333] ? local_bh_enable+0x20/0x20 [ 84.162242][ T4333] ? mark_lock+0x94/0x320 [ 84.166596][ T4333] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 84.172614][ T4333] ? lock_chain_count+0x20/0x20 [ 84.177484][ T4333] mr_mfc_find_any_parent+0xb6/0x1e0 [ 84.182784][ T4333] ? local_bh_enable+0x20/0x20 [ 84.188045][ T4333] ip_mr_forward+0x24c/0xf90 [ 84.192779][ T4333] ipmr_mfc_add+0x23cc/0x2d40 [ 84.197618][ T4333] ? ipmr_mfc_delete+0x5f0/0x5f0 [ 84.202568][ T4333] ? __lock_acquire+0x7d10/0x7d10 [ 84.207607][ T4333] ? mark_lock+0x94/0x320 [ 84.212064][ T4333] ip_mroute_setsockopt+0xeaf/0x1250 [ 84.217558][ T4333] ? ipmr_rule_default+0x70/0x70 [ 84.222547][ T4333] ? do_futex+0xd73/0x12b0 [ 84.227002][ T4333] ? __might_sleep+0xf0/0xf0 [ 84.231636][ T4333] ip_setsockopt+0x568/0x3130 [ 84.236348][ T4333] ? ipv4_pktinfo_prepare+0x6f0/0x6f0 [ 84.241754][ T4333] ? aa_sk_perm+0x7dc/0x910 [ 84.246456][ T4333] ? aa_af_perm+0x340/0x340 [ 84.250990][ T4333] ? aa_sock_opt_perm+0x74/0x100 [ 84.255951][ T4333] ? sock_common_setsockopt+0x32/0xb0 [ 84.261455][ T4333] ? raw_setsockopt+0xc5/0x180 [ 84.266236][ T4333] ? sock_common_recvmsg+0x1c0/0x1c0 [ 84.271556][ T4333] __sys_setsockopt+0x2bf/0x3d0 [ 84.276436][ T4333] __x64_sys_setsockopt+0xb1/0xc0 [ 84.281585][ T4333] do_syscall_64+0x4c/0xa0 [ 84.286022][ T4333] ? clear_bhb_loop+0x30/0x80 [ 84.290777][ T4333] ? clear_bhb_loop+0x30/0x80 [ 84.295475][ T4333] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.301397][ T4333] RIP: 0033:0x7f4278409819 [ 84.305886][ T4333] 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 [ 84.325634][ T4333] RSP: 002b:00007ffdad4cf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 84.334206][ T4333] RAX: ffffffffffffffda RBX: 00007f4278682fa0 RCX: 00007f4278409819 [ 84.342278][ T4333] RDX: 00000000000000d2 RSI: 0000000000000000 RDI: 0000000000000005 [ 84.350347][ T4333] RBP: 00007f427849fc91 R08: 000000000000003c R09: 0000000000000000 [ 84.358334][ T4333] R10: 0000200000000200 R11: 0000000000000246 R12: 0000000000000000 [ 84.366343][ T4333] R13: 00007f4278682fac R14: 00007f4278682fa0 R15: 00007f4278682fa0 [ 84.374360][ T4333] [ 84.379723][ T4333] [ 84.382112][ T4333] ============================= [ 84.387176][ T4333] WARNING: suspicious RCU usage [ 84.392519][ T4333] syzkaller #0 Not tainted [ 84.397034][ T4333] ----------------------------- [ 84.401906][ T4333] include/linux/rhashtable.h:614 suspicious rcu_dereference_check() usage! [ 84.410755][ T4333] [ 84.410755][ T4333] other info that might help us debug this: [ 84.410755][ T4333] [ 84.421235][ T4333] [ 84.421235][ T4333] rcu_scheduler_active = 2, debug_locks = 1 [ 84.429520][ T4333] 1 lock held by syz.0.17/4333: [ 84.434403][ T4333] #0: ffffffff8d43cb48 (rtnl_mutex){+.+.}-{3:3}, at: ip_mroute_setsockopt+0x136/0x1250 [ 84.444382][ T4333] [ 84.444382][ T4333] stack backtrace: [ 84.450370][ T4333] CPU: 0 PID: 4333 Comm: syz.0.17 Not tainted syzkaller #0 [ 84.457606][ T4333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 84.467701][ T4333] Call Trace: [ 84.471038][ T4333] [ 84.473975][ T4333] dump_stack_lvl+0x188/0x250 [ 84.478687][ T4333] ? load_image+0x400/0x400 [ 84.483293][ T4333] ? show_regs_print_info+0x20/0x20 [ 84.488540][ T4333] ? lockdep_rcu_suspicious+0x110/0x180 [ 84.494108][ T4333] ? local_bh_enable+0x20/0x20 [ 84.498903][ T4333] rhltable_lookup+0x61e/0x7c0 [ 84.503677][ T4333] ? local_bh_enable+0x20/0x20 [ 84.508448][ T4333] ? mr_mfc_find_parent+0x190/0x190 [ 84.513646][ T4333] ? mark_lock+0x94/0x320 [ 84.517976][ T4333] ? local_bh_enable+0x20/0x20 [ 84.523032][ T4333] ? mark_lock+0x94/0x320 [ 84.527474][ T4333] ? lockdep_hardirqs_on_prepare+0x409/0x770 [ 84.533501][ T4333] ? lock_chain_count+0x20/0x20 [ 84.538372][ T4333] mr_mfc_find_any_parent+0xb6/0x1e0 [ 84.543784][ T4333] ? local_bh_enable+0x20/0x20 [ 84.548565][ T4333] ip_mr_forward+0x24c/0xf90 [ 84.553367][ T4333] ipmr_mfc_add+0x23cc/0x2d40 [ 84.558080][ T4333] ? ipmr_mfc_delete+0x5f0/0x5f0 [ 84.563030][ T4333] ? __lock_acquire+0x7d10/0x7d10 [ 84.568074][ T4333] ? mark_lock+0x94/0x320 [ 84.572521][ T4333] ip_mroute_setsockopt+0xeaf/0x1250 [ 84.577842][ T4333] ? ipmr_rule_default+0x70/0x70 [ 84.582813][ T4333] ? do_futex+0xd73/0x12b0 [ 84.587441][ T4333] ? __might_sleep+0xf0/0xf0 [ 84.592064][ T4333] ip_setsockopt+0x568/0x3130 [ 84.596852][ T4333] ? ipv4_pktinfo_prepare+0x6f0/0x6f0 [ 84.602263][ T4333] ? aa_sk_perm+0x7dc/0x910 [ 84.606790][ T4333] ? aa_af_perm+0x340/0x340 [ 84.611588][ T4333] ? aa_sock_opt_perm+0x74/0x100 [ 84.616722][ T4333] ? sock_common_setsockopt+0x32/0xb0 [ 84.622136][ T4333] ? raw_setsockopt+0xc5/0x180 [ 84.627048][ T4333] ? sock_common_recvmsg+0x1c0/0x1c0 [ 84.632386][ T4333] __sys_setsockopt+0x2bf/0x3d0 [ 84.637283][ T4333] __x64_sys_setsockopt+0xb1/0xc0 [ 84.642357][ T4333] do_syscall_64+0x4c/0xa0 [ 84.646808][ T4333] ? clear_bhb_loop+0x30/0x80 [ 84.651490][ T4333] ? clear_bhb_loop+0x30/0x80 [ 84.656269][ T4333] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 84.662201][ T4333] RIP: 0033:0x7f4278409819 [ 84.666647][ T4333] 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 [ 84.686377][ T4333] RSP: 002b:00007ffdad4cf198 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 84.694859][ T4333] RAX: ffffffffffffffda RBX: 00007f4278682fa0 RCX: 00007f4278409819 [ 84.702908][ T4333] RDX: 00000000000000d2 RSI: 0000000000000000 RDI: 0000000000000005 [ 84.710914][ T4333] RBP: 00007f427849fc91 R08: 000000000000003c R09: 0000000000000000 [ 84.718908][ T4333] R10: 0000200000000200 R11: 0000000000000246 R12: 0000000000000000 [ 84.726926][ T4333] R13: 00007f4278682fac R14: 00007f4278682fa0 R15: 00007f4278682fa0 [ 84.735026][ T4333] [ 85.060841][ T155] device hsr_slave_0 left promiscuous mode [ 85.070295][ T155] device hsr_slave_1 left promiscuous mode [ 85.077079][ T155] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 85.087843][ T155] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 85.101433][ T155] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 85.111657][ T155] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 85.119563][ T155] device bridge_slave_1 left promiscuous mode [ 85.129287][ T155] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.149489][ T155] device bridge_slave_0 left promiscuous mode [ 85.156071][ T155] bridge0: port 1(bridge_slave_0) entered disabled state [