Warning: Permanently added '10.128.1.72' (ED25519) to the list of known hosts. 2025/10/05 23:38:59 parsed 1 programs [ 80.141492][ T4272] cgroup: Unknown subsys name 'net' [ 80.284402][ T4272] cgroup: Unknown subsys name 'rlimit' [ 81.850216][ T4272] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 83.604708][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.622701][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.640014][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 83.656966][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 83.665069][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 83.674138][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 84.501739][ T4317] chnl_net:caif_netlink_parms(): no params data found [ 84.563050][ T4317] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.571232][ T4317] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.579514][ T4317] device bridge_slave_0 entered promiscuous mode [ 84.598434][ T4317] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.605583][ T4317] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.614023][ T4317] device bridge_slave_1 entered promiscuous mode [ 84.643016][ T4317] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.663027][ T4317] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.689968][ T4317] team0: Port device team_slave_0 added [ 84.697581][ T4317] team0: Port device team_slave_1 added [ 84.725959][ T4317] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 84.732985][ T4317] 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. [ 84.759503][ T4317] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 84.772347][ T4317] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 84.779386][ T4317] 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. [ 84.805341][ T4317] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 84.841453][ T4317] device hsr_slave_0 entered promiscuous mode [ 84.849086][ T4317] device hsr_slave_1 entered promiscuous mode [ 84.986300][ T4317] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 84.998477][ T4317] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 85.008308][ T4317] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 85.018650][ T4317] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 85.053662][ T4317] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.060979][ T4317] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.114469][ T4317] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.129982][ T56] bridge0: port 2(bridge_slave_1) entered disabled state [ 85.140047][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 85.153257][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 85.161588][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 85.172900][ T4317] 8021q: adding VLAN 0 to HW filter on device team0 [ 85.218074][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 85.227261][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 85.236227][ T56] bridge0: port 1(bridge_slave_0) entered blocking state [ 85.243407][ T56] bridge0: port 1(bridge_slave_0) entered forwarding state [ 85.256072][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 85.264973][ T56] bridge0: port 2(bridge_slave_1) entered blocking state [ 85.272172][ T56] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.333532][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 85.342518][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 85.363193][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 85.381955][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 85.391128][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 85.408315][ T4317] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 85.643654][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 85.651288][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 85.665941][ T4317] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.686388][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 85.695251][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 85.715221][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 85.724348][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 85.733798][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 85.742624][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 85.755497][ T4317] device veth0_vlan entered promiscuous mode [ 85.768434][ T4317] device veth1_vlan entered promiscuous mode [ 85.789822][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 85.798801][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 85.806860][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 85.816303][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 85.827973][ T4317] device veth0_macvtap entered promiscuous mode [ 85.842923][ T4317] device veth1_macvtap entered promiscuous mode [ 85.860740][ T4317] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 85.869425][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 85.879478][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 85.887895][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 85.896589][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 85.910909][ T4317] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.919744][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 85.928503][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 85.941036][ T4317] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.950299][ T4317] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.959354][ T4317] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.968529][ T4317] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 86.286271][ T4342] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 86.294815][ T4342] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 86.303830][ T4342] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 86.312679][ T4343] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 86.320701][ T4343] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 86.328083][ T4343] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.364353][ T32] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 86.819795][ T41] cfg80211: failed to load regulatory.db [ 88.247092][ T32] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/10/05 23:39:10 executed programs: 0 [ 88.507224][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 88.516343][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 88.524902][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 88.535995][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 88.544307][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 88.551747][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 88.687804][ T4371] chnl_net:caif_netlink_parms(): no params data found [ 88.735607][ T4371] bridge0: port 1(bridge_slave_0) entered blocking state [ 88.748003][ T4371] bridge0: port 1(bridge_slave_0) entered disabled state [ 88.756053][ T4371] device bridge_slave_0 entered promiscuous mode [ 88.764850][ T4371] bridge0: port 2(bridge_slave_1) entered blocking state [ 88.772152][ T4371] bridge0: port 2(bridge_slave_1) entered disabled state [ 88.780402][ T4371] device bridge_slave_1 entered promiscuous mode [ 88.806956][ T4371] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 88.818754][ T4371] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 88.846990][ T4371] team0: Port device team_slave_0 added [ 88.854758][ T4371] team0: Port device team_slave_1 added [ 88.874803][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 88.881994][ T4371] 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. [ 88.908297][ T4371] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 88.920412][ T4371] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 88.927488][ T4371] 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. [ 88.954598][ T4371] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 88.990872][ T4371] device hsr_slave_0 entered promiscuous mode [ 88.997926][ T4371] device hsr_slave_1 entered promiscuous mode [ 89.005021][ T4371] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 89.013453][ T4371] Cannot create hsr debugfs directory [ 90.578502][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 90.668700][ T32] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 90.752599][ T32] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 91.634019][ T4371] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.644903][ T4371] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.657834][ T4371] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.669213][ T4371] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.770786][ T32] device hsr_slave_0 left promiscuous mode [ 91.780727][ T32] device hsr_slave_1 left promiscuous mode [ 91.790108][ T32] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 91.797828][ T32] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 91.806880][ T32] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 91.817185][ T32] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 91.825734][ T32] device bridge_slave_1 left promiscuous mode [ 91.835851][ T32] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.851688][ T32] device bridge_slave_0 left promiscuous mode [ 91.858948][ T32] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.895017][ T32] device veth1_macvtap left promiscuous mode [ 91.901853][ T32] device veth0_macvtap left promiscuous mode [ 91.908541][ T32] device veth1_vlan left promiscuous mode [ 91.914616][ T32] device veth0_vlan left promiscuous mode [ 92.301913][ T32] team0 (unregistering): Port device team_slave_1 removed [ 92.332989][ T32] team0 (unregistering): Port device team_slave_0 removed [ 92.364153][ T32] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 92.396516][ T32] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 92.660921][ T4343] Bluetooth: hci0: command 0x041b tx timeout [ 92.695749][ T32] bond0 (unregistering): Released all slaves [ 92.760850][ T4371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.775086][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 92.783868][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.794998][ T4371] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.808536][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 92.819615][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.828194][ T56] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.835460][ T56] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.845572][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.855247][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 92.864702][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.873471][ T56] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.880782][ T56] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.894495][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 92.920635][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 92.934336][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 92.945244][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.955521][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 92.970419][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 92.979732][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.002398][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 93.011597][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.020518][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 93.029416][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.042571][ T4371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.282863][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.290922][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.306767][ T4371] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.365114][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 93.378193][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 93.392860][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 93.401702][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.418284][ T4371] device veth0_vlan entered promiscuous mode [ 93.424782][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.433677][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.456696][ T4371] device veth1_vlan entered promiscuous mode [ 93.499350][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 93.507974][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 93.516333][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 93.530424][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 93.541422][ T4371] device veth0_macvtap entered promiscuous mode [ 93.551756][ T4371] device veth1_macvtap entered promiscuous mode [ 93.567070][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.574545][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 93.584461][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 93.592865][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 93.601799][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 93.613928][ T4371] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.622379][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 93.631742][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 93.644617][ T4371] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.654183][ T4371] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.663224][ T4371] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.672702][ T4371] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.726737][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.736535][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.751780][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 2025/10/05 23:39:15 executed programs: 2 [ 93.783748][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 93.791991][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 93.801031][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 94.739975][ T4343] Bluetooth: hci0: command 0x040f tx timeout [ 96.817480][ T4343] Bluetooth: hci0: command 0x0419 tx timeout 2025/10/05 23:39:20 executed programs: 173 [ 100.690058][ T4267] [ 100.692450][ T4267] ============================================ [ 100.698607][ T4267] WARNING: possible recursive locking detected [ 100.704789][ T4267] syzkaller #0 Not tainted [ 100.709212][ T4267] -------------------------------------------- [ 100.715368][ T4267] syz-execprog/4267 is trying to acquire lock: [ 100.721792][ T4267] ffffffff8cc81038 (kernfs_rename_lock){..-.}-{2:2}, at: kernfs_path_from_node+0x87/0xd10 [ 100.731931][ T4267] [ 100.731931][ T4267] but task is already holding lock: [ 100.739307][ T4267] ffffffff8cc81038 (kernfs_rename_lock){..-.}-{2:2}, at: kernfs_path_from_node+0x87/0xd10 [ 100.749238][ T4267] [ 100.749238][ T4267] other info that might help us debug this: [ 100.757303][ T4267] Possible unsafe locking scenario: [ 100.757303][ T4267] [ 100.764768][ T4267] CPU0 [ 100.768235][ T4267] ---- [ 100.771522][ T4267] lock(kernfs_rename_lock); [ 100.776214][ T4267] lock(kernfs_rename_lock); [ 100.780899][ T4267] [ 100.780899][ T4267] *** DEADLOCK *** [ 100.780899][ T4267] [ 100.789050][ T4267] May be due to missing lock nesting notation [ 100.789050][ T4267] [ 100.797379][ T4267] 4 locks held by syz-execprog/4267: [ 100.802674][ T4267] #0: ffff88801db2f958 (&mm->mmap_lock){++++}-{3:3}, at: lock_mm_and_find_vma+0x2e/0x2f0 [ 100.812623][ T4267] #1: ffffffff8cc81038 (kernfs_rename_lock){..-.}-{2:2}, at: kernfs_path_from_node+0x87/0xd10 [ 100.822992][ T4267] #2: ffffffff8cb2abe0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0xda/0x3b0 [ 100.832328][ T4267] #3: ffff88801db2f958 (&mm->mmap_lock){++++}-{3:3}, at: stack_map_get_build_id_offset+0x1fd/0x9c0 [ 100.843138][ T4267] [ 100.843138][ T4267] stack backtrace: [ 100.849072][ T4267] CPU: 1 PID: 4267 Comm: syz-execprog Not tainted syzkaller #0 [ 100.856631][ T4267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 100.866716][ T4267] Call Trace: [ 100.870098][ T4267] [ 100.873042][ T4267] dump_stack_lvl+0x168/0x22e [ 100.878184][ T4267] ? show_regs_print_info+0x12/0x12 [ 100.883400][ T4267] ? load_image+0x3b0/0x3b0 [ 100.887934][ T4267] __lock_acquire+0x122f/0x7c50 [ 100.892806][ T4267] ? verify_lock_unused+0x140/0x140 [ 100.898026][ T4267] ? dev_forward_skb+0x50/0x50 [ 100.902811][ T4267] ? mark_lock+0x94/0x320 [ 100.907520][ T4267] ? verify_lock_unused+0x140/0x140 [ 100.912757][ T4267] ? __lock_acquire+0x12e5/0x7c50 [ 100.917812][ T4267] ? lock_chain_count+0x20/0x20 [ 100.922689][ T4267] ? __local_bh_enable_ip+0x12a/0x1b0 [ 100.928170][ T4267] ? _local_bh_enable+0xa0/0xa0 [ 100.933049][ T4267] lock_acquire+0x1b4/0x490 [ 100.937570][ T4267] ? kernfs_path_from_node+0x87/0xd10 [ 100.942960][ T4267] ? __lock_acquire+0x12e5/0x7c50 [ 100.948008][ T4267] ? read_lock_is_recursive+0x10/0x10 [ 100.953399][ T4267] ? __dev_queue_xmit+0x26f/0x3760 [ 100.958541][ T4267] _raw_spin_lock_irqsave+0xa4/0xf0 [ 100.963767][ T4267] ? kernfs_path_from_node+0x87/0xd10 [ 100.969158][ T4267] ? _raw_spin_lock+0x40/0x40 [ 100.973860][ T4267] ? get_mem_cgroup_from_mm+0x34/0x290 [ 100.979334][ T4267] kernfs_path_from_node+0x87/0xd10 [ 100.984546][ T4267] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 100.990541][ T4267] ? kernfs_name+0x140/0x140 [ 100.995154][ T4267] ? get_mem_cgroup_from_mm+0x34/0x290 [ 101.000638][ T4267] ? get_mem_cgroup_from_mm+0x34/0x290 [ 101.006123][ T4267] ? get_mem_cgroup_from_mm+0x1ae/0x290 [ 101.011778][ T4267] get_mm_memcg_path+0xb9/0x360 [ 101.016673][ T4267] __mmap_lock_do_trace_acquire_returned+0x9b/0x330 [ 101.023319][ T4267] ? get_mm_memcg_path+0x360/0x360 [ 101.028476][ T4267] ? __init_rwsem+0x160/0x160 [ 101.033203][ T4267] stack_map_get_build_id_offset+0x68d/0x9c0 [ 101.039318][ T4267] ? get_perf_callchain+0x3b1/0x480 [ 101.044584][ T4267] ? put_callchain_entry+0xb0/0xb0 [ 101.049727][ T4267] ? __bpf_get_stackid+0x920/0x920 [ 101.054865][ T4267] __bpf_get_stack+0x44d/0x4f0 [ 101.059657][ T4267] ? stack_map_get_build_id_offset+0x9c0/0x9c0 [ 101.065835][ T4267] ? __cant_sleep+0x210/0x210 [ 101.070537][ T4267] ? bpf_prog_ec3b2eefa702d8d3+0x3a/0x3e [ 101.076199][ T4267] bpf_get_stack_raw_tp+0x189/0x1c0 [ 101.081419][ T4267] bpf_prog_ec3b2eefa702d8d3+0x3a/0x3e [ 101.086893][ T4267] bpf_trace_run2+0x1cd/0x3b0 [ 101.091594][ T4267] ? bpf_trace_run2+0xda/0x3b0 [ 101.096410][ T4267] ? bpf_trace_run1+0x3b0/0x3b0 [ 101.101389][ T4267] ? verify_lock_unused+0x140/0x140 [ 101.106619][ T4267] ? __lock_acquire+0x12e5/0x7c50 [ 101.111675][ T4267] trace_contention_end+0x13f/0x190 [ 101.116903][ T4267] __pv_queued_spin_lock_slowpath+0x7e8/0x9c0 [ 101.122988][ T4267] ? __pv_queued_spin_unlock_slowpath+0x290/0x290 [ 101.129430][ T4267] queued_spin_lock_slowpath+0x43/0x50 [ 101.134917][ T4267] do_raw_spin_lock+0x217/0x280 [ 101.139793][ T4267] ? __rwlock_init+0x140/0x140 [ 101.144580][ T4267] _raw_spin_lock_irqsave+0xb0/0xf0 [ 101.149890][ T4267] ? _raw_spin_lock+0x40/0x40 [ 101.154588][ T4267] ? get_mem_cgroup_from_mm+0x34/0x290 [ 101.160078][ T4267] kernfs_path_from_node+0x87/0xd10 [ 101.165320][ T4267] ? kernfs_name+0x140/0x140 [ 101.169927][ T4267] ? get_mem_cgroup_from_mm+0x34/0x290 [ 101.175488][ T4267] ? get_mem_cgroup_from_mm+0x34/0x290 [ 101.180985][ T4267] ? get_mem_cgroup_from_mm+0x1ae/0x290 [ 101.188125][ T4267] get_mm_memcg_path+0xb9/0x360 [ 101.193001][ T4267] __mmap_lock_do_trace_acquire_returned+0x9b/0x330 [ 101.199617][ T4267] ? get_mm_memcg_path+0x360/0x360 [ 101.204750][ T4267] ? handle_mm_fault+0x1367/0x3e70 [ 101.209922][ T4267] ? __init_rwsem+0x160/0x160 [ 101.214613][ T4267] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 101.220633][ T4267] ? lock_chain_count+0x20/0x20 [ 101.225683][ T4267] lock_mm_and_find_vma+0x21f/0x2f0 [ 101.230909][ T4267] do_user_addr_fault+0x2db/0xb10 [ 101.235958][ T4267] exc_page_fault+0x60/0x100 [ 101.240602][ T4267] asm_exc_page_fault+0x22/0x30 [ 101.245567][ T4267] RIP: 0033:0x47efab [ 101.249476][ T4267] Code: 1f f8 c3 f3 44 0f 7f 3f f3 44 0f 7f 7c 1f f0 c3 f3 44 0f 7f 3f f3 44 0f 7f 7f 10 f3 44 0f 7f 7c 1f e0 f3 44 0f 7f 7c 1f f0 c3 44 0f 7f 3f f3 44 0f 7f 7f 10 f3 44 0f 7f 7f 20 f3 44 0f 7f 7f [ 101.269201][ T4267] RSP: 002b:000000c004055248 EFLAGS: 00010246 [ 101.275290][ T4267] RAX: 0000000000000000 RBX: 0000000000000080 RCX: 0000000000000010 [ 101.283274][ T4267] RDX: 000000c0085a1f80 RSI: 0000000000000000 RDI: 000000c0085a1f80 [ 101.291256][ T4267] RBP: 000000c004055260 R08: 0000000000000001 R09: 000000c0085a0000 [ 101.299241][ T4267] R10: 0000000000000001 R11: 00007f2c9ac7d000 R12: 000000000002bf00 [ 101.307220][ T4267] R13: 0000000000000016 R14: 000000c004030e00 R15: 0000000000000000 [ 101.315295][ T4267]