Warning: Permanently added '10.128.1.154' (ED25519) to the list of known hosts. 2025/08/11 05:29:39 ignoring optional flag "sandboxArg"="0" 2025/08/11 05:29:41 parsed 1 programs syzkaller login: [ 78.466076][ T4274] cgroup: Unknown subsys name 'net' [ 78.626959][ T4274] cgroup: Unknown subsys name 'rlimit' [ 80.172907][ T4274] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 82.300248][ T4293] chnl_net:caif_netlink_parms(): no params data found [ 82.350297][ T4293] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.357885][ T4293] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.366292][ T4293] device bridge_slave_0 entered promiscuous mode [ 82.377639][ T4293] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.384901][ T4293] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.393101][ T4293] device bridge_slave_1 entered promiscuous mode [ 82.416245][ T4293] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.428870][ T4293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.453590][ T4293] team0: Port device team_slave_0 added [ 82.461370][ T4293] team0: Port device team_slave_1 added [ 82.483918][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.491013][ T4293] 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. [ 82.517297][ T4293] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.530741][ T4293] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.537741][ T4293] 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. [ 82.563734][ T4293] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.603743][ T4293] device hsr_slave_0 entered promiscuous mode [ 82.610831][ T4293] device hsr_slave_1 entered promiscuous mode [ 82.719670][ T4293] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.730621][ T4293] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.740408][ T4293] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.751641][ T4293] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.786500][ T4293] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.793936][ T4293] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.801930][ T4293] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.809056][ T4293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.863970][ T4293] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.881394][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.893171][ T1106] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.902284][ T1106] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.916678][ T4293] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.931901][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.940392][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.947601][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.961297][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.969850][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.976993][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.998193][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.007242][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.020125][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.035590][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.049162][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.061491][ T4293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.252251][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.259835][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.274510][ T4293] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.297691][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 83.307222][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.330944][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 83.340190][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.349089][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.357448][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.365733][ T4293] device veth0_vlan entered promiscuous mode [ 83.377864][ T4293] device veth1_vlan entered promiscuous mode [ 83.396632][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.411851][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.419801][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.428930][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.439701][ T4293] device veth0_macvtap entered promiscuous mode [ 83.449806][ T4293] device veth1_macvtap entered promiscuous mode [ 83.466040][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.474588][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.483081][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.491872][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.500686][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.513049][ T4293] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.520392][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.529626][ T63] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.540766][ T4293] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.549669][ T4293] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.559705][ T4293] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.568768][ T4293] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.682153][ T63] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 84.220123][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.241189][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.256185][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.273265][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.281304][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.289904][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 84.927141][ T4338] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 84.936302][ T4338] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 84.944210][ T4338] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 84.952765][ T4338] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 84.960610][ T4338] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 84.968289][ T4338] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.142764][ T63] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/08/11 05:29:51 executed programs: 0 [ 86.547271][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 86.557102][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 86.564987][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 86.573081][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 86.581129][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 86.588464][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.672919][ T126] cfg80211: failed to load regulatory.db [ 86.728027][ T4368] chnl_net:caif_netlink_parms(): no params data found [ 86.777577][ T4368] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.785063][ T4368] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.793159][ T4368] device bridge_slave_0 entered promiscuous mode [ 86.802210][ T4368] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.809347][ T4368] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.817540][ T4368] device bridge_slave_1 entered promiscuous mode [ 86.841770][ T4368] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.852733][ T4368] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.878108][ T4368] team0: Port device team_slave_0 added [ 86.885549][ T4368] team0: Port device team_slave_1 added [ 86.905641][ T4368] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.912736][ T4368] 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. [ 86.938801][ T4368] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.951411][ T4368] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 86.958396][ T4368] 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. [ 86.984462][ T4368] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 87.017716][ T4368] device hsr_slave_0 entered promiscuous mode [ 87.024701][ T4368] device hsr_slave_1 entered promiscuous mode [ 87.031584][ T4368] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 87.039446][ T4368] Cannot create hsr debugfs directory [ 88.421434][ T63] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.472817][ T63] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 88.671993][ T4338] Bluetooth: hci0: command 0x0409 tx timeout [ 89.307955][ T4368] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 89.318603][ T4368] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 89.328935][ T4368] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 89.340383][ T4368] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 89.407783][ T63] device hsr_slave_0 left promiscuous mode [ 89.415991][ T63] device hsr_slave_1 left promiscuous mode [ 89.423273][ T63] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 89.431675][ T63] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 89.440141][ T63] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 89.448113][ T63] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 89.456165][ T63] device bridge_slave_1 left promiscuous mode [ 89.463549][ T63] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.475621][ T63] device bridge_slave_0 left promiscuous mode [ 89.483268][ T63] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.509193][ T63] device veth1_macvtap left promiscuous mode [ 89.515640][ T63] device veth0_macvtap left promiscuous mode [ 89.522373][ T63] device veth1_vlan left promiscuous mode [ 89.528371][ T63] device veth0_vlan left promiscuous mode [ 89.835388][ T63] team0 (unregistering): Port device team_slave_1 removed [ 89.862355][ T63] team0 (unregistering): Port device team_slave_0 removed [ 89.894675][ T63] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 89.924012][ T63] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 90.163650][ T63] bond0 (unregistering): Released all slaves [ 90.242090][ T4368] 8021q: adding VLAN 0 to HW filter on device bond0 [ 90.258829][ T4368] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.268012][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 90.277415][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 90.297839][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 90.307016][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.316159][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.323301][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.331921][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 90.340637][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.349523][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.356648][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.365335][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 90.382235][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 90.397895][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 90.409765][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 90.419452][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.430225][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 90.442153][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 90.451203][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.478320][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 90.487037][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 90.497468][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 90.506798][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 90.518305][ T4368] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 90.722330][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 90.729829][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 90.743477][ T4368] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.751768][ T4338] Bluetooth: hci0: command 0x041b tx timeout [ 90.777194][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 90.786961][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 90.814072][ T4368] device veth0_vlan entered promiscuous mode [ 90.822914][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 90.833634][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 90.851947][ T4368] device veth1_vlan entered promiscuous mode [ 90.862534][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 90.871321][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 90.879404][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 90.909193][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 90.917644][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 90.927872][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 90.939678][ T4368] device veth0_macvtap entered promiscuous mode [ 90.953041][ T4368] device veth1_macvtap entered promiscuous mode [ 90.971884][ T4368] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.979983][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 90.988732][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 90.997452][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 91.007924][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 91.023818][ T4368] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 91.035958][ T4368] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.045249][ T4368] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.054090][ T4368] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.063481][ T4368] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 91.082759][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 91.091786][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 91.177563][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.186344][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.198964][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 91.218901][ T1106] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 91.227156][ T1106] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 91.237592][ T1106] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/08/11 05:29:56 executed programs: 11 [ 91.621082][ C0] [ 91.623476][ C0] ====================================================== [ 91.630511][ C0] WARNING: possible circular locking dependency detected [ 91.637532][ C0] 6.1.147-syzkaller #0 Not tainted [ 91.642628][ C0] ------------------------------------------------------ [ 91.649646][ C0] syz.0.32/4453 is trying to acquire lock: [ 91.655442][ C0] ffff8880b8e281d8 (krc.lock){..-.}-{2:2}, at: kvfree_call_rcu+0x184/0x870 [ 91.664068][ C0] [ 91.664068][ C0] but task is already holding lock: [ 91.671423][ C0] ffff8880b8e28418 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270 [ 91.680322][ C0] [ 91.680322][ C0] which lock already depends on the new lock. [ 91.680322][ C0] [ 91.690720][ C0] [ 91.690720][ C0] the existing dependency chain (in reverse order) is: [ 91.699815][ C0] [ 91.699815][ C0] -> #1 (&base->lock){-.-.}-{2:2}: [ 91.707104][ C0] _raw_spin_lock_irqsave+0xa4/0xf0 [ 91.712839][ C0] lock_timer_base+0x123/0x270 [ 91.718135][ C0] __mod_timer+0x117/0xd20 [ 91.723082][ C0] queue_delayed_work_on+0x126/0x1e0 [ 91.728899][ C0] kvfree_call_rcu+0x4cb/0x870 [ 91.734184][ C0] rtnl_register_internal+0x489/0x590 [ 91.740073][ C0] rtnl_register+0x2e/0x70 [ 91.745005][ C0] ip_rt_init+0x323/0x3b5 [ 91.749850][ C0] ip_init+0xa/0x14 [ 91.754173][ C0] inet_init+0x2bd/0x3cf [ 91.758946][ C0] do_one_initcall+0x214/0x7a0 [ 91.764230][ C0] do_initcall_level+0x137/0x1e4 [ 91.769698][ C0] do_initcalls+0x4b/0x8a [ 91.774544][ C0] kernel_init_freeable+0x3fa/0x5ac [ 91.780261][ C0] kernel_init+0x19/0x1b0 [ 91.785125][ C0] ret_from_fork+0x1f/0x30 [ 91.790075][ C0] [ 91.790075][ C0] -> #0 (krc.lock){..-.}-{2:2}: [ 91.797103][ C0] __lock_acquire+0x2cf8/0x7c50 [ 91.802566][ C0] lock_acquire+0x1b4/0x490 [ 91.807589][ C0] _raw_spin_lock+0x2a/0x40 [ 91.812620][ C0] kvfree_call_rcu+0x184/0x870 [ 91.817918][ C0] trie_delete_elem+0x52d/0x690 [ 91.823286][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e [ 91.829279][ C0] bpf_trace_run3+0x1e3/0x400 [ 91.834488][ C0] enqueue_timer+0x411/0x5c0 [ 91.839592][ C0] __mod_timer+0x8e1/0xd20 [ 91.844526][ C0] dsp_cmx_send+0x1ab4/0x1b30 [ 91.849726][ C0] call_timer_fn+0x1a0/0x670 [ 91.854828][ C0] __run_timers+0x525/0x7c0 [ 91.859841][ C0] run_timer_softirq+0x63/0xf0 [ 91.865138][ C0] handle_softirqs+0x2a1/0x920 [ 91.870455][ C0] __irq_exit_rcu+0x12f/0x220 [ 91.875715][ C0] irq_exit_rcu+0x5/0x20 [ 91.880575][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 91.886735][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 91.893228][ C0] lock_acquire+0x20f/0x490 [ 91.898248][ C0] __close_range+0x1e6/0x730 [ 91.903423][ C0] __x64_sys_close_range+0x76/0x80 [ 91.909086][ C0] do_syscall_64+0x4c/0xa0 [ 91.914026][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 91.920458][ C0] [ 91.920458][ C0] other info that might help us debug this: [ 91.920458][ C0] [ 91.930681][ C0] Possible unsafe locking scenario: [ 91.930681][ C0] [ 91.938123][ C0] CPU0 CPU1 [ 91.943477][ C0] ---- ---- [ 91.948836][ C0] lock(&base->lock); [ 91.952903][ C0] lock(krc.lock); [ 91.959222][ C0] lock(&base->lock); [ 91.965804][ C0] lock(krc.lock); [ 91.969628][ C0] [ 91.969628][ C0] *** DEADLOCK *** [ 91.969628][ C0] [ 91.977765][ C0] 5 locks held by syz.0.32/4453: [ 91.982691][ C0] #0: ffffffff8cb2ae20 (rcu_read_lock){....}-{1:2}, at: __close_range+0x1c5/0x730 [ 91.991996][ C0] #1: ffffc90000007bc0 ((&dsp_spl_tl)){+.-.}-{0:0}, at: call_timer_fn+0xc1/0x670 [ 92.001241][ C0] #2: ffffffff8dac8ab8 (dsp_lock){..-.}-{2:2}, at: dsp_cmx_send+0x22/0x1b30 [ 92.010026][ C0] #3: ffff8880b8e28418 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270 [ 92.019360][ C0] #4: ffffffff8cb2ae20 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run3+0xf0/0x400 [ 92.028677][ C0] [ 92.028677][ C0] stack backtrace: [ 92.034571][ C0] CPU: 0 PID: 4453 Comm: syz.0.32 Not tainted 6.1.147-syzkaller #0 [ 92.042560][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 92.052634][ C0] Call Trace: [ 92.055913][ C0] [ 92.058756][ C0] dump_stack_lvl+0x168/0x22e [ 92.063430][ C0] ? load_image+0x3b0/0x3b0 [ 92.067937][ C0] ? show_regs_print_info+0x12/0x12 [ 92.073132][ C0] ? print_circular_bug+0x12b/0x1a0 [ 92.078351][ C0] check_noncircular+0x274/0x310 [ 92.083293][ C0] ? add_chain_block+0x940/0x940 [ 92.088228][ C0] ? lockdep_lock+0xdc/0x1e0 [ 92.092826][ C0] ? __lock_acquire+0x12e5/0x7c50 [ 92.097853][ C0] ? _find_first_zero_bit+0xcf/0x100 [ 92.103141][ C0] __lock_acquire+0x2cf8/0x7c50 [ 92.107997][ C0] ? verify_lock_unused+0x140/0x140 [ 92.113214][ C0] lock_acquire+0x1b4/0x490 [ 92.117715][ C0] ? kvfree_call_rcu+0x184/0x870 [ 92.122655][ C0] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 92.128028][ C0] ? read_lock_is_recursive+0x10/0x10 [ 92.133418][ C0] ? __virt_addr_valid+0x188/0x540 [ 92.138562][ C0] ? __virt_addr_valid+0x188/0x540 [ 92.143673][ C0] ? __virt_addr_valid+0x465/0x540 [ 92.148807][ C0] ? __phys_addr+0xb6/0x170 [ 92.153306][ C0] _raw_spin_lock+0x2a/0x40 [ 92.157802][ C0] ? kvfree_call_rcu+0x184/0x870 [ 92.162734][ C0] kvfree_call_rcu+0x184/0x870 [ 92.167502][ C0] ? verify_lock_unused+0x140/0x140 [ 92.172699][ C0] ? rcu_leak_callback+0x10/0x10 [ 92.177639][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 92.183532][ C0] ? _raw_spin_unlock+0x40/0x40 [ 92.188391][ C0] trie_delete_elem+0x52d/0x690 [ 92.193437][ C0] bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e [ 92.198891][ C0] bpf_trace_run3+0x1e3/0x400 [ 92.203594][ C0] ? do_raw_spin_unlock+0x11d/0x230 [ 92.208793][ C0] ? bpf_trace_run3+0xf0/0x400 [ 92.213598][ C0] ? bpf_trace_run2+0x3b0/0x3b0 [ 92.218453][ C0] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 92.224345][ C0] ? __lock_acquire+0x7c50/0x7c50 [ 92.229373][ C0] enqueue_timer+0x411/0x5c0 [ 92.233970][ C0] __mod_timer+0x8e1/0xd20 [ 92.238391][ C0] dsp_cmx_send+0x1ab4/0x1b30 [ 92.243093][ C0] ? detach_timer+0x30/0x350 [ 92.247692][ C0] ? read_lock_is_recursive+0x10/0x10 [ 92.253064][ C0] call_timer_fn+0x1a0/0x670 [ 92.257662][ C0] ? dsp_cmx_receive+0x13c0/0x13c0 [ 92.262772][ C0] ? call_timer_fn+0xc1/0x670 [ 92.267445][ C0] ? __run_timers+0x7c0/0x7c0 [ 92.272134][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 92.277332][ C0] ? lockdep_hardirqs_on+0x94/0x140 [ 92.282526][ C0] ? dsp_cmx_receive+0x13c0/0x13c0 [ 92.287650][ C0] __run_timers+0x525/0x7c0 [ 92.292152][ C0] ? detach_timer+0x350/0x350 [ 92.296828][ C0] ? lock_chain_count+0x20/0x20 [ 92.301684][ C0] run_timer_softirq+0x63/0xf0 [ 92.306472][ C0] handle_softirqs+0x2a1/0x920 [ 92.311261][ C0] ? __irq_exit_rcu+0x12f/0x220 [ 92.316116][ C0] ? do_softirq+0x200/0x200 [ 92.320626][ C0] __irq_exit_rcu+0x12f/0x220 [ 92.325302][ C0] ? irq_exit_rcu+0x20/0x20 [ 92.329807][ C0] irq_exit_rcu+0x5/0x20 [ 92.334047][ C0] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 92.339681][ C0] [ 92.342610][ C0] [ 92.345535][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 92.351511][ C0] RIP: 0010:lock_acquire+0x20f/0x490 [ 92.356792][ C0] Code: 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 0f 85 f5 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 66 43 c7 44 3d 09 00 00 43 c6 44 3d 0b [ 92.376399][ C0] RSP: 0018:ffffc90003f67d00 EFLAGS: 00000206 [ 92.382477][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 9d8abf30e8bb1500 [ 92.390459][ C0] RDX: 0000000000000000 RSI: ffffffff8a8c15e0 RDI: ffffffff8adef320 [ 92.398427][ C0] RBP: ffffc90003f67e08 R08: dffffc0000000000 R09: fffffbfff215ba49 [ 92.406479][ C0] R10: fffffbfff215ba49 R11: 1ffffffff215ba48 R12: 0000000000000000 [ 92.414449][ C0] R13: 1ffff920007ecfac R14: 0000000000000246 R15: dffffc0000000000 [ 92.422429][ C0] ? read_lock_is_recursive+0x10/0x10 [ 92.427802][ C0] ? __sys_bpf+0x454/0x6d0 [ 92.432216][ C0] ? bpf_link_show_fdinfo+0x340/0x340 [ 92.437591][ C0] __close_range+0x1e6/0x730 [ 92.442192][ C0] ? __close_range+0x1c5/0x730 [ 92.446959][ C0] ? __close_range+0x1c5/0x730 [ 92.451743][ C0] ? pick_file+0x1e0/0x1e0 [ 92.456174][ C0] __x64_sys_close_range+0x76/0x80 [ 92.461286][ C0] do_syscall_64+0x4c/0xa0 [ 92.465696][ C0] ? clear_bhb_loop+0x60/0xb0 [ 92.470368][ C0] ? clear_bhb_loop+0x60/0xb0 [ 92.475041][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 92.480937][ C0] RIP: 0033:0x7f994fb8ebe9 [ 92.485346][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 92.504957][ C0] RSP: 002b:00007ffddda32558 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 92.513371][ C0] RAX: ffffffffffffffda RBX: 00000000000165b9 RCX: 00007f994fb8ebe9 [ 92.521336][ C0] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 92.529314][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 00000006dda3284f [ 92.537278][ C0] R10: 0000001b2cf20000 R11: 0000000000000246 R12: 00007f994fdb5fac [ 92.545241][ C0] R13: 00007f994fdb5fa0 R14: ffffffffffffffff R15: 0000000000000003 [ 92.553210][ C0] [ 92.830641][ T4338] Bluetooth: hci0: command 0x040f tx timeout