Warning: Permanently added '10.128.1.132' (ED25519) to the list of known hosts. 2026/07/17 01:11:44 parsed 1 programs 2026/07/17 01:11:44 serving rpc on tcp://44929 [ 65.806539][ T4200] cgroup: Unknown subsys name 'net' [ 65.937805][ T4200] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 67.212508][ T4200] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 69.179458][ T4224] chnl_net:caif_netlink_parms(): no params data found [ 69.242851][ T4224] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.250891][ T4224] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.260449][ T4224] device bridge_slave_0 entered promiscuous mode [ 69.270889][ T4224] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.279685][ T4224] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.289089][ T4224] device bridge_slave_1 entered promiscuous mode [ 69.322657][ T4224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.337422][ T4224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.369719][ T4224] team0: Port device team_slave_0 added [ 69.379798][ T4224] team0: Port device team_slave_1 added [ 69.405669][ T4224] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.416561][ T4224] 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. [ 69.449435][ T4224] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.466217][ T4224] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.474077][ T4224] 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. [ 69.504538][ T4224] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 69.547485][ T4224] device hsr_slave_0 entered promiscuous mode [ 69.555433][ T4224] device hsr_slave_1 entered promiscuous mode [ 69.696883][ T4224] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.709971][ T4224] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.720950][ T4224] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.732536][ T4224] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.765800][ T4224] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.773591][ T4224] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.781824][ T4224] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.790031][ T4224] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.849727][ T4224] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.868213][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.880756][ T1170] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.891636][ T1170] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.901569][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.919558][ T4224] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.935129][ T3074] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.945247][ T3074] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.953427][ T3074] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.965959][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.977329][ T1170] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.985133][ T1170] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.007260][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.017690][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.036606][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.054002][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.064673][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.076503][ T4224] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.190257][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.198845][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.215614][ T4224] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.241702][ T3074] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.256967][ T3074] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.291744][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.315527][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.328662][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.338898][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.352243][ T4224] device veth0_vlan entered promiscuous mode [ 70.365924][ T4224] device veth1_vlan entered promiscuous mode [ 70.392787][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.401718][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.411569][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.422364][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.440723][ T4224] device veth0_macvtap entered promiscuous mode [ 70.451604][ T4224] device veth1_macvtap entered promiscuous mode [ 70.467756][ T4224] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.479476][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.488858][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.498349][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.508236][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.526946][ T4224] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.540993][ T4224] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.558341][ T4224] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.569495][ T4224] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.579077][ T4224] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.592692][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.602723][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.694310][ T4224] syz-executor (4224) used greatest stack depth: 20304 bytes left [ 71.154200][ T3074] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.169168][ T3074] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.189214][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.207192][ T1170] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.217180][ T1170] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.228127][ T3074] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 71.495616][ T1432] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.502852][ T1432] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.283573][ T459] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/07/17 01:11:53 executed programs: 0 [ 72.834859][ T4290] chnl_net:caif_netlink_parms(): no params data found [ 72.878054][ T4290] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.886086][ T4290] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.895651][ T4290] device bridge_slave_0 entered promiscuous mode [ 72.904152][ T4290] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.912283][ T4290] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.920309][ T4290] device bridge_slave_1 entered promiscuous mode [ 72.939205][ T4290] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.951208][ T4290] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.971296][ T4290] team0: Port device team_slave_0 added [ 72.978754][ T4290] team0: Port device team_slave_1 added [ 72.994342][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.001592][ T4290] 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. [ 73.030964][ T4290] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.045035][ T4290] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.053290][ T4290] 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. [ 73.081340][ T4290] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.107988][ T4290] device hsr_slave_0 entered promiscuous mode [ 73.115762][ T4290] device hsr_slave_1 entered promiscuous mode [ 73.123705][ T4290] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.132526][ T4290] Cannot create hsr debugfs directory [ 74.772618][ T2278] Bluetooth: hci0: command 0x0409 tx timeout [ 75.948790][ T459] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.006897][ T459] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.077571][ T459] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.852262][ T2278] Bluetooth: hci0: command 0x041b tx timeout [ 76.870987][ T4290] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.881567][ T4290] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.893009][ T4290] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.902932][ T4290] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.966065][ T4290] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.996568][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.004486][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.015090][ T4290] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.035487][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.046463][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.055996][ T144] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.064876][ T144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.075283][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.084808][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.094496][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.104534][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.112852][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.124413][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.148579][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.160906][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.171137][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.181359][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.213925][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.223667][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.236060][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.245411][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.259012][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.267892][ T1170] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.278784][ T4290] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.389574][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.398873][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.411840][ T4290] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.444560][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 77.453596][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 77.469647][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 77.479784][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.491645][ T4290] device veth0_vlan entered promiscuous mode [ 77.499487][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.508632][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.523555][ T4290] device veth1_vlan entered promiscuous mode [ 77.560477][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.570440][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.581760][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 77.591698][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.604002][ T4290] device veth0_macvtap entered promiscuous mode [ 77.616675][ T4290] device veth1_macvtap entered promiscuous mode [ 77.638106][ T4290] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 77.649986][ T4290] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.663307][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.680581][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.690453][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 77.699774][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.709875][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.722889][ T4290] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 77.735110][ T4290] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 77.747894][ T4290] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.761198][ T3074] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.770946][ T3074] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.786889][ T4290] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.799124][ T4290] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.810245][ T4290] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.820740][ T4290] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.840550][ T459] device hsr_slave_0 left promiscuous mode [ 77.848618][ T459] device hsr_slave_1 left promiscuous mode [ 77.856862][ T459] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.865808][ T459] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.878209][ T459] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.886780][ T459] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.896092][ T459] device bridge_slave_1 left promiscuous mode [ 77.904070][ T459] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.920582][ T459] device bridge_slave_0 left promiscuous mode [ 77.928585][ T459] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.945963][ T459] device veth1_macvtap left promiscuous mode [ 77.952776][ T459] device veth0_macvtap left promiscuous mode [ 77.959100][ T459] device veth1_vlan left promiscuous mode [ 77.965319][ T459] device veth0_vlan left promiscuous mode [ 78.125267][ T459] team0 (unregistering): Port device team_slave_1 removed [ 78.143459][ T459] team0 (unregistering): Port device team_slave_0 removed [ 78.163208][ T459] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 78.178714][ T459] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 78.234517][ T459] bond0 (unregistering): Released all slaves [ 78.342092][ T1170] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.350559][ T1170] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.385822][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.400586][ T1170] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.409505][ T1170] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.419497][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.475565][ T4346] loop7: detected capacity change from 0 to 7 [ 78.488535][ T4346] Dev loop7: unable to read RDB block 7 [ 78.495362][ T4346] loop7: unable to read partition table [ 78.502065][ T4346] loop7: partition table beyond EOD, truncated [ 78.509757][ T4346] loop_reread_partitions: partition scan of loop7 (Cj̖P=ý?}X %`ր{֐ȵ4FLQk݊) failed (rc=-5) [ 78.553439][ T4346] [ 78.556510][ T4346] ====================================================== [ 78.564436][ T4346] WARNING: possible circular locking dependency detected [ 78.572149][ T4346] syzkaller #0 Not tainted [ 78.577366][ T4346] ------------------------------------------------------ [ 78.584753][ T4346] syz.0.17/4346 is trying to acquire lock: [ 78.590546][ T4346] ffff888072410938 ((wq_completion)loop7){+.+.}-{0:0}, at: flush_workqueue+0x14e/0x1390 [ 78.600628][ T4346] [ 78.600628][ T4346] but task is already holding lock: [ 78.608945][ T4346] ffff8881471b5468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xb50 [ 78.618585][ T4346] [ 78.618585][ T4346] which lock already depends on the new lock. [ 78.618585][ T4346] [ 78.631798][ T4346] [ 78.631798][ T4346] the existing dependency chain (in reverse order) is: [ 78.642164][ T4346] [ 78.642164][ T4346] -> #6 (&lo->lo_mutex){+.+.}-{3:3}: [ 78.650518][ T4346] __mutex_lock_common+0x1e5/0x2400 [ 78.657706][ T4346] mutex_lock_killable_nested+0x17/0x20 [ 78.664733][ T4346] lo_open+0x6a/0x100 [ 78.669795][ T4346] blkdev_get_whole+0x90/0x390 [ 78.675788][ T4346] blkdev_get_by_dev+0x2da/0xa50 [ 78.681440][ T4346] blkdev_open+0x128/0x2c0 [ 78.686892][ T4346] do_dentry_open+0x7f7/0xf90 [ 78.692283][ T4346] path_openat+0x2718/0x2fb0 [ 78.697407][ T4346] do_filp_open+0x1df/0x400 [ 78.702643][ T4346] do_sys_openat2+0x14b/0x500 [ 78.708722][ T4346] __x64_sys_openat+0x135/0x160 [ 78.715007][ T4346] do_syscall_64+0x4c/0xa0 [ 78.721000][ T4346] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.728913][ T4346] [ 78.728913][ T4346] -> #5 (&disk->open_mutex){+.+.}-{3:3}: [ 78.737898][ T4346] __mutex_lock_common+0x1e5/0x2400 [ 78.745002][ T4346] mutex_lock_nested+0x17/0x20 [ 78.750900][ T4346] blkdev_get_by_dev+0x162/0xa50 [ 78.757847][ T4346] swsusp_check+0xa1/0x2b0 [ 78.763557][ T4346] software_resume+0xc6/0x3b0 [ 78.768941][ T4346] resume_store+0xe4/0x130 [ 78.774262][ T4346] kernfs_fop_write_iter+0x3a8/0x500 [ 78.780801][ T4346] vfs_write+0x748/0xd70 [ 78.786050][ T4346] ksys_write+0x153/0x260 [ 78.791373][ T4346] do_syscall_64+0x4c/0xa0 [ 78.797229][ T4346] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.804184][ T4346] [ 78.804184][ T4346] -> #4 (system_transition_mutex/1){+.+.}-{3:3}: [ 78.813817][ T4346] __mutex_lock_common+0x1e5/0x2400 [ 78.820154][ T4346] mutex_lock_nested+0x17/0x20 [ 78.825610][ T4346] software_resume+0x7c/0x3b0 [ 78.831087][ T4346] resume_store+0xe4/0x130 [ 78.836110][ T4346] kernfs_fop_write_iter+0x3a8/0x500 [ 78.842205][ T4346] vfs_write+0x748/0xd70 [ 78.847419][ T4346] ksys_write+0x153/0x260 [ 78.852316][ T4346] do_syscall_64+0x4c/0xa0 [ 78.857898][ T4346] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.864986][ T4346] [ 78.864986][ T4346] -> #3 (&of->mutex){+.+.}-{3:3}: [ 78.873056][ T4346] __mutex_lock_common+0x1e5/0x2400 [ 78.879554][ T4346] mutex_lock_nested+0x17/0x20 [ 78.885250][ T4346] kernfs_seq_start+0x55/0x3c0 [ 78.892019][ T4346] seq_read_iter+0x387/0xc50 [ 78.898769][ T4346] vfs_read+0x75e/0xd50 [ 78.903668][ T4346] ksys_read+0x153/0x260 [ 78.910078][ T4346] do_syscall_64+0x4c/0xa0 [ 78.915839][ T4346] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 78.922522][ T4346] [ 78.922522][ T4346] -> #2 (&p->lock){+.+.}-{3:3}: [ 78.929919][ T4346] __mutex_lock_common+0x1e5/0x2400 [ 78.936092][ T4346] mutex_lock_nested+0x17/0x20 [ 78.941543][ T4346] seq_read_iter+0x9d/0xc50 [ 78.947009][ T4346] do_iter_readv_writev+0x47d/0x5f0 [ 78.953072][ T4346] do_iter_read+0x201/0x7c0 [ 78.958281][ T4346] loop_process_work+0x16fd/0x24c0 [ 78.964169][ T4346] process_one_work+0x867/0xff0 [ 78.970013][ T4346] worker_thread+0xad7/0x12a0 [ 78.975632][ T4346] kthread+0x42e/0x520 [ 78.981725][ T4346] ret_from_fork+0x1f/0x30 [ 78.986848][ T4346] [ 78.986848][ T4346] -> #1 ((work_completion)(&worker->work)){+.+.}-{0:0}: [ 78.996765][ T4346] process_one_work+0x7ba/0xff0 [ 79.002313][ T4346] worker_thread+0xad7/0x12a0 [ 79.007632][ T4346] kthread+0x42e/0x520 [ 79.012718][ T4346] ret_from_fork+0x1f/0x30 [ 79.017937][ T4346] [ 79.017937][ T4346] -> #0 ((wq_completion)loop7){+.+.}-{0:0}: [ 79.026069][ T4346] __lock_acquire+0x2c66/0x7b50 [ 79.031687][ T4346] lock_acquire+0x19e/0x400 [ 79.037489][ T4346] flush_workqueue+0x16a/0x1390 [ 79.042956][ T4346] drain_workqueue+0xca/0x370 [ 79.048791][ T4346] destroy_workqueue+0x7b/0xb20 [ 79.054634][ T4346] __loop_clr_fd+0x22f/0xb50 [ 79.060759][ T4346] blkdev_put+0x52b/0x780 [ 79.066190][ T4346] blkdev_close+0x76/0xa0 [ 79.071405][ T4346] __fput+0x212/0x8c0 [ 79.076462][ T4346] task_work_run+0x125/0x1a0 [ 79.081895][ T4346] exit_to_user_mode_loop+0x10f/0x130 [ 79.088129][ T4346] exit_to_user_mode_prepare+0xee/0x180 [ 79.094370][ T4346] syscall_exit_to_user_mode+0x16/0x40 [ 79.101087][ T4346] do_syscall_64+0x58/0xa0 [ 79.106298][ T4346] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.113230][ T4346] [ 79.113230][ T4346] other info that might help us debug this: [ 79.113230][ T4346] [ 79.125979][ T4346] Chain exists of: [ 79.125979][ T4346] (wq_completion)loop7 --> &disk->open_mutex --> &lo->lo_mutex [ 79.125979][ T4346] [ 79.140498][ T4346] Possible unsafe locking scenario: [ 79.140498][ T4346] [ 79.148402][ T4346] CPU0 CPU1 [ 79.154036][ T4346] ---- ---- [ 79.159754][ T4346] lock(&lo->lo_mutex); [ 79.164135][ T4346] lock(&disk->open_mutex); [ 79.171531][ T4346] lock(&lo->lo_mutex); [ 79.178406][ T4346] lock((wq_completion)loop7); [ 79.183340][ T4346] [ 79.183340][ T4346] *** DEADLOCK *** [ 79.183340][ T4346] [ 79.192307][ T4346] 2 locks held by syz.0.17/4346: [ 79.198146][ T4346] #0: ffff888020a88518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf1/0x780 [ 79.208325][ T4346] #1: ffff8881471b5468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xb50 [ 79.218243][ T4346] [ 79.218243][ T4346] stack backtrace: [ 79.224661][ T4346] CPU: 1 PID: 4346 Comm: syz.0.17 Not tainted syzkaller #0 [ 79.233145][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 [ 79.244075][ T4346] Call Trace: [ 79.247692][ T4346] [ 79.250615][ T4346] dump_stack_lvl+0x188/0x250 [ 79.256017][ T4346] ? load_image+0x410/0x410 [ 79.260820][ T4346] ? show_regs_print_info+0x20/0x20 [ 79.266109][ T4346] ? print_circular_bug+0x12b/0x1a0 [ 79.271715][ T4346] check_noncircular+0x296/0x330 [ 79.277217][ T4346] ? add_chain_block+0x9b0/0x9b0 [ 79.282735][ T4346] ? lockdep_lock+0xf1/0x1f0 [ 79.287632][ T4346] ? mark_lock+0x94/0x320 [ 79.292132][ T4346] ? _find_first_zero_bit+0xd1/0xf0 [ 79.299280][ T4346] __lock_acquire+0x2c66/0x7b50 [ 79.305414][ T4346] ? verify_lock_unused+0x140/0x140 [ 79.311142][ T4346] ? verify_lock_unused+0x140/0x140 [ 79.316893][ T4346] ? verify_lock_unused+0x140/0x140 [ 79.323057][ T4346] ? memset+0x1e/0x40 [ 79.327280][ T4346] lock_acquire+0x19e/0x400 [ 79.331899][ T4346] ? flush_workqueue+0x14e/0x1390 [ 79.337522][ T4346] ? __mutex_trylock_common+0x15c/0x260 [ 79.343338][ T4346] ? read_lock_is_recursive+0x10/0x10 [ 79.348876][ T4346] ? __init_swait_queue_head+0xa4/0x140 [ 79.354587][ T4346] flush_workqueue+0x16a/0x1390 [ 79.359721][ T4346] ? flush_workqueue+0x14e/0x1390 [ 79.364908][ T4346] ? lock_chain_count+0x20/0x20 [ 79.370373][ T4346] ? _raw_spin_lock_irqsave+0x8b/0x100 [ 79.376113][ T4346] ? lockdep_hardirqs_off+0x70/0x100 [ 79.381704][ T4346] ? drain_workqueue+0x2f/0x370 [ 79.387157][ T4346] ? rcu_work_rcufn+0x120/0x120 [ 79.392388][ T4346] ? __mutex_unlock_slowpath+0x1b0/0x6c0 [ 79.398284][ T4346] ? finish_wait+0xc3/0x1c0 [ 79.402782][ T4346] drain_workqueue+0xca/0x370 [ 79.408129][ T4346] destroy_workqueue+0x7b/0xb20 [ 79.413599][ T4346] __loop_clr_fd+0x22f/0xb50 [ 79.418388][ T4346] ? lo_release+0x15e/0x1f0 [ 79.424251][ T4346] ? lo_open+0x100/0x100 [ 79.428648][ T4346] blkdev_put+0x52b/0x780 [ 79.433906][ T4346] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 79.440917][ T4346] blkdev_close+0x76/0xa0 [ 79.445788][ T4346] ? blkdev_open+0x2c0/0x2c0 [ 79.451069][ T4346] __fput+0x212/0x8c0 [ 79.456018][ T4346] task_work_run+0x125/0x1a0 [ 79.461030][ T4346] exit_to_user_mode_loop+0x10f/0x130 [ 79.467407][ T4346] exit_to_user_mode_prepare+0xee/0x180 [ 79.473586][ T4346] syscall_exit_to_user_mode+0x16/0x40 [ 79.479821][ T4346] do_syscall_64+0x58/0xa0 [ 79.484768][ T4346] ? clear_bhb_loop+0x30/0x80 [ 79.490015][ T4346] ? clear_bhb_loop+0x30/0x80 [ 79.495283][ T4346] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 79.501417][ T4346] RIP: 0033:0x7f35146a9e59 [ 79.506705][ T4346] 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 [ 79.528623][ T4346] RSP: 002b:00007ffe72566798 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 79.539388][ T4346] RAX: 0000000000000000 RBX: 00007ffe72566880 RCX: 00007f35146a9e59 [ 79.552139][ T4346] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 79.560656][ T4346] RBP: 0000000000013246 R08: 0000000000000001 R09: 0000000000000000 [ 79.570196][ T4346] R10: 0000001b30120000 R11: 0000000000000246 R12: 0000000000000000 [ 79.581008][ T4346] R13: 00007f3514931fac R14: 00007f3514931fa8 R15: 00007f3514931fa0 [ 79.590648][ T4346] [ 79.597105][ T4317] Bluetooth: hci0: command 0x040f tx timeout