Warning: Permanently added '[localhost]:22296' (ED25519) to the list of known hosts. 2026/03/20 04:31:41 parsed 1 programs syzkaller login: [ 62.771871][ T5831] cgroup: Unknown subsys name 'net' [ 62.879936][ T5831] cgroup: Unknown subsys name 'cpuset' [ 62.885646][ T5831] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 64.254612][ T5831] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 67.172587][ T5841] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 67.507318][ T5847] chnl_net:caif_netlink_parms(): no params data found [ 67.571796][ T5847] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.574601][ T5847] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.576936][ T5847] bridge_slave_0: entered allmulticast mode [ 67.580875][ T5847] bridge_slave_0: entered promiscuous mode [ 67.586537][ T5847] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.588968][ T5847] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.591328][ T5847] bridge_slave_1: entered allmulticast mode [ 67.594159][ T5847] bridge_slave_1: entered promiscuous mode [ 67.617186][ T5847] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.622614][ T5847] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.644724][ T5847] team0: Port device team_slave_0 added [ 67.648532][ T5847] team0: Port device team_slave_1 added [ 67.668058][ T5847] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.670264][ T5847] 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 1532 would solve the problem. [ 67.678374][ T5847] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.683570][ T5847] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.685858][ T5847] 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 1532 would solve the problem. [ 67.693933][ T5847] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.722500][ T5847] hsr_slave_0: entered promiscuous mode [ 67.725252][ T5847] hsr_slave_1: entered promiscuous mode [ 67.850886][ T5847] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.857724][ T5847] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.862019][ T5847] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.868386][ T5847] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.895894][ T5847] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.898196][ T5847] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.901126][ T5847] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.903354][ T5847] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.951492][ T5847] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.964105][ T1106] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.967559][ T1106] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.977693][ T5847] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.986546][ T1106] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.989617][ T1106] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.000308][ T1106] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.002719][ T1106] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.165648][ T5847] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.214047][ T5847] veth0_vlan: entered promiscuous mode [ 68.229623][ T5847] veth1_vlan: entered promiscuous mode [ 68.270226][ T5847] veth0_macvtap: entered promiscuous mode [ 68.277922][ T5847] veth1_macvtap: entered promiscuous mode [ 68.300439][ T5847] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.312082][ T5847] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.324143][ T5717] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.328677][ T5717] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.337527][ T5717] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.340391][ T5717] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.476896][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.508113][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.562117][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.631727][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.692572][ T5876] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.696662][ T5876] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.700203][ T5876] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.704031][ T5876] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.712795][ T5876] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.273353][ T83] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.276919][ T83] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.305377][ T4215] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.311992][ T4215] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/03/20 04:31:51 executed programs: 0 [ 71.188042][ T5216] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.191018][ T5216] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.193663][ T5216] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.198188][ T5216] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.201045][ T5216] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.320611][ T5940] chnl_net:caif_netlink_parms(): no params data found [ 71.376089][ T5940] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.379024][ T5940] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.381727][ T5940] bridge_slave_0: entered allmulticast mode [ 71.384875][ T5940] bridge_slave_0: entered promiscuous mode [ 71.389181][ T5940] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.392061][ T5940] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.395182][ T5940] bridge_slave_1: entered allmulticast mode [ 71.398574][ T5940] bridge_slave_1: entered promiscuous mode [ 71.423485][ T5940] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.429759][ T5940] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.450850][ T5940] team0: Port device team_slave_0 added [ 71.454830][ T5940] team0: Port device team_slave_1 added [ 71.478664][ T5940] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.480970][ T5940] 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 1532 would solve the problem. [ 71.489792][ T5940] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.494914][ T5940] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.497863][ T5940] 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 1532 would solve the problem. [ 71.507026][ T5940] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.535268][ T5940] hsr_slave_0: entered promiscuous mode [ 71.537902][ T5940] hsr_slave_1: entered promiscuous mode [ 71.540358][ T5940] debugfs: 'hsr0' already exists in 'hsr' [ 71.542219][ T5940] Cannot create hsr debugfs directory [ 71.853568][ T12] bridge_slave_1: left allmulticast mode [ 71.857537][ T12] bridge_slave_1: left promiscuous mode [ 71.860484][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.868297][ T12] bridge_slave_0: left allmulticast mode [ 71.870348][ T12] bridge_slave_0: left promiscuous mode [ 71.872621][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.033038][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 72.039070][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 72.042903][ T12] bond0 (unregistering): Released all slaves [ 72.141236][ T12] hsr_slave_0: left promiscuous mode [ 72.144135][ T12] hsr_slave_1: left promiscuous mode [ 72.146893][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 72.149510][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 72.153438][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 72.156554][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 72.168323][ T12] veth1_macvtap: left promiscuous mode [ 72.170502][ T12] veth0_macvtap: left promiscuous mode [ 72.172641][ T12] veth1_vlan: left promiscuous mode [ 72.174712][ T12] veth0_vlan: left promiscuous mode [ 72.358055][ T12] team0 (unregistering): Port device team_slave_1 removed [ 72.369647][ T12] team0 (unregistering): Port device team_slave_0 removed [ 72.846600][ T5940] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.861195][ T5940] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.869567][ T5940] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.883210][ T5940] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.266702][ T5216] Bluetooth: hci0: command tx timeout [ 73.383135][ T5940] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.416452][ T5940] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.426008][ T4229] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.429127][ T4229] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.441124][ T4229] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.444180][ T4229] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.739239][ T5940] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.831041][ T5940] veth0_vlan: entered promiscuous mode [ 73.838432][ T5940] veth1_vlan: entered promiscuous mode [ 73.871856][ T5940] veth0_macvtap: entered promiscuous mode [ 73.881097][ T5940] veth1_macvtap: entered promiscuous mode [ 73.899735][ T5940] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.912897][ T5940] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.942496][ T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.956913][ T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.971463][ T13] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.994183][ T13] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.050703][ T83] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.056974][ T83] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.080919][ T83] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.085274][ T83] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.131456][ T5982] loop0: detected capacity change from 0 to 256 [ 74.156914][ T5982] exFAT-fs (loop0): failed to load upcase table (idx : 0x0000fd4f, chksum : 0x395e47cf, utbl_chksum : 0xe619d30d) [ 74.163320][ T5982] exFAT-fs (loop0): valid_size(150994954) is greater than size(10) [ 74.172026][ T5982] [ 74.172871][ T5982] ================================================ [ 74.175184][ T5982] WARNING: lock held when returning to user space! [ 74.177167][ T5982] syzkaller #0 Not tainted [ 74.178549][ T5982] ------------------------------------------------ [ 74.180537][ T5982] syz.0.17/5982 is leaving the kernel with locks still held! [ 74.182794][ T5982] 1 lock held by syz.0.17/5982: [ 74.184279][ T5982] #0: ffff8881bc75c110 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: exfat_fallocate+0x163/0x4e0 [ 75.353679][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.209512][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.948071][ T1375] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.950643][ T1375] ieee802154 phy1 wpan1: encryption failed: -22 [ 77.010147][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.062288][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.154224][ T12] bridge_slave_1: left allmulticast mode [ 77.157657][ T12] bridge_slave_1: left promiscuous mode [ 77.160496][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.163778][ T12] bridge_slave_0: left allmulticast mode [ 77.167066][ T12] bridge_slave_0: left promiscuous mode [ 77.169084][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.240740][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.246329][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.250511][ T12] bond0 (unregistering): Released all slaves [ 77.433868][ T12] hsr_slave_0: left promiscuous mode [ 77.436873][ T12] hsr_slave_1: left promiscuous mode [ 77.439427][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.442037][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.444625][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.447477][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.451917][ T12] veth1_macvtap: left promiscuous mode [ 77.453768][ T12] veth0_macvtap: left promiscuous mode [ 77.456109][ T12] veth1_vlan: left promiscuous mode [ 77.458175][ T12] veth0_vlan: left promiscuous mode [ 77.548275][ T12] team0 (unregistering): Port device team_slave_1 removed [ 77.553727][ T12] team0 (unregistering): Port device team_slave_0 removed