no interfaces have a carrier
[ 30.939910][ T3850] 8021q: adding VLAN 0 to HW filter on device bond0
[ 30.949047][ T3850] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting crond: OK
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.204' (ED25519) to the list of known hosts.
2026/10/06 13:58:49 parsed 1 programs
2026/10/06 13:58:49 serving rpc on tcp://36793
syzkaller login: [ 57.037606][ T4196] cgroup: Unknown subsys name 'net'
[ 57.198154][ T4196] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 58.390733][ T4196] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 60.634147][ T4247] chnl_net:caif_netlink_parms(): no params data found
[ 60.693081][ T4247] bridge0: port 1(bridge_slave_0) entered blocking state
[ 60.700711][ T4247] bridge0: port 1(bridge_slave_0) entered disabled state
[ 60.710145][ T4247] device bridge_slave_0 entered promiscuous mode
[ 60.719497][ T4247] bridge0: port 2(bridge_slave_1) entered blocking state
[ 60.727925][ T4247] bridge0: port 2(bridge_slave_1) entered disabled state
[ 60.736128][ T4247] device bridge_slave_1 entered promiscuous mode
[ 60.761096][ T4247] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 60.786397][ T4247] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 60.817207][ T4247] team0: Port device team_slave_0 added
[ 60.825039][ T4247] team0: Port device team_slave_1 added
[ 60.845681][ T4247] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 60.852630][ T4247] 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.
[ 60.880077][ T4247] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 60.892811][ T4247] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 60.901424][ T4247] 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.
[ 60.927834][ T4247] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 60.967780][ T4247] device hsr_slave_0 entered promiscuous mode
[ 60.974757][ T4247] device hsr_slave_1 entered promiscuous mode
[ 61.105477][ T4247] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 61.117079][ T4247] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 61.128597][ T4247] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 61.138424][ T4247] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 61.212118][ T4247] 8021q: adding VLAN 0 to HW filter on device bond0
[ 61.228503][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 61.240140][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 61.251180][ T4247] 8021q: adding VLAN 0 to HW filter on device team0
[ 61.261364][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 61.271165][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 61.280515][ T4256] bridge0: port 1(bridge_slave_0) entered blocking state
[ 61.287762][ T4256] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 61.309643][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 61.319186][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 61.328087][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 61.336771][ T4256] bridge0: port 2(bridge_slave_1) entered blocking state
[ 61.343898][ T4256] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 61.351508][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 61.360139][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 61.370106][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 61.378810][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 61.392798][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 61.404850][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 61.414187][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 61.429228][ T4247] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 61.441185][ T4247] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 61.453624][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 61.465326][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 61.478896][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 61.566989][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 61.575843][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 61.595076][ T4247] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 61.616678][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 61.651191][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 61.665374][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 61.673167][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 61.686308][ T4247] device veth0_vlan entered promiscuous mode
[ 61.701667][ T4247] device veth1_vlan entered promiscuous mode
[ 61.729822][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 61.738397][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 61.747774][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 61.759734][ T4247] device veth0_macvtap entered promiscuous mode
[ 61.775712][ T4247] device veth1_macvtap entered promiscuous mode
[ 61.799663][ T4247] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 61.807585][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 61.816590][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 61.825197][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 61.835565][ T4247] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 61.844911][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 61.853581][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 61.863766][ T4247] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 61.872572][ T4247] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 61.881645][ T4247] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 61.890634][ T4247] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 61.956784][ T4247] syz-executor (4247) used greatest stack depth: 20976 bytes left
[ 62.016110][ T458] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 62.025552][ T458] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 62.037137][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 62.052783][ T458] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 62.060855][ T458] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 62.068627][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
2026/10/06 13:58:57 executed programs: 0
[ 63.167005][ T4301] chnl_net:caif_netlink_parms(): no params data found
[ 63.219637][ T4301] bridge0: port 1(bridge_slave_0) entered blocking state
[ 63.226832][ T4301] bridge0: port 1(bridge_slave_0) entered disabled state
[ 63.235030][ T4301] device bridge_slave_0 entered promiscuous mode
[ 63.245342][ T4301] bridge0: port 2(bridge_slave_1) entered blocking state
[ 63.252459][ T4301] bridge0: port 2(bridge_slave_1) entered disabled state
[ 63.260478][ T4301] device bridge_slave_1 entered promiscuous mode
[ 63.283995][ T4301] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 63.295782][ T4301] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 63.321095][ T4301] team0: Port device team_slave_0 added
[ 63.328721][ T4301] team0: Port device team_slave_1 added
[ 63.348823][ T4301] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 63.355882][ T4301] 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.
[ 63.386234][ T4301] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 63.398867][ T4301] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 63.408358][ T4301] 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.
[ 63.437258][ T4301] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 63.474313][ T4301] device hsr_slave_0 entered promiscuous mode
[ 63.481057][ T4301] device hsr_slave_1 entered promiscuous mode
[ 63.491378][ T4301] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 63.499589][ T4301] Cannot create hsr debugfs directory
[ 63.591009][ T4301] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 65.074309][ T4279] Bluetooth: hci0: command 0x0409 tx timeout
[ 66.589647][ T4301] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 66.638968][ T4301] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 66.710982][ T4301] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 66.806374][ T4301] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 66.814856][ T4301] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 66.823036][ T4301] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 66.832419][ T4301] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 66.876651][ T4301] 8021q: adding VLAN 0 to HW filter on device bond0
[ 66.887198][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 66.895733][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 66.914748][ T4301] 8021q: adding VLAN 0 to HW filter on device team0
[ 66.923356][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 66.932353][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 66.940917][ T4256] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.947982][ T4256] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 66.958167][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 66.966627][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 66.975578][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 66.984716][ T4256] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.991757][ T4256] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 67.001972][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 67.023958][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 67.035432][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 67.044595][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 67.053053][ T458] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 67.063791][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 67.072290][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 67.096940][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 67.105715][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 67.116447][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 67.125051][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 67.144141][ T4301] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 67.157042][ T4277] Bluetooth: hci0: command 0x041b tx timeout
[ 67.222187][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 67.229655][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 67.242246][ T4301] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 67.272264][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 67.281127][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 67.297799][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 67.307435][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 67.317412][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 67.326596][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 67.336612][ T4301] device veth0_vlan entered promiscuous mode
[ 67.356533][ T4301] device veth1_vlan entered promiscuous mode
[ 67.380202][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 67.388661][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 67.397349][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 67.406037][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 67.415601][ T4301] device veth0_macvtap entered promiscuous mode
[ 67.425790][ T4301] device veth1_macvtap entered promiscuous mode
[ 67.442153][ T4301] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
[ 67.453047][ T4301] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
[ 67.463910][ T4301] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 67.471869][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 67.481865][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 67.490077][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 67.498470][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 67.511466][ T144] device hsr_slave_0 left promiscuous mode
[ 67.518262][ T144] device hsr_slave_1 left promiscuous mode
[ 67.524677][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 67.532054][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 67.540717][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 67.548139][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 67.555888][ T144] device bridge_slave_1 left promiscuous mode
[ 67.562479][ T144] bridge0: port 2(bridge_slave_1) entered disabled state
[ 67.575687][ T144] device bridge_slave_0 left promiscuous mode
[ 67.581858][ T144] bridge0: port 1(bridge_slave_0) entered disabled state
[ 67.598524][ T144] device veth1_macvtap left promiscuous mode
[ 67.604772][ T144] device veth0_macvtap left promiscuous mode
[ 67.610774][ T144] device veth1_vlan left promiscuous mode
[ 67.616686][ T144] device veth0_vlan left promiscuous mode
[ 67.742515][ T144] team0 (unregistering): Port device team_slave_1 removed
[ 67.755417][ T144] team0 (unregistering): Port device team_slave_0 removed
[ 67.767196][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 67.779690][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 67.825935][ T144] bond0 (unregistering): Released all slaves
[ 67.844806][ T4301] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 67.854631][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 67.863262][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 67.876283][ T4301] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.885919][ T4301] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.894720][ T4301] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.903774][ T4301] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.971442][ T458] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 67.987094][ T458] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 67.996052][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
2026/10/06 13:59:02 executed programs: 2
[ 68.018781][ T154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 68.026672][ T154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 68.035242][ T4256] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 68.077617][ T4314] 0x000000000000-0x000000010000 : ""
[ 68.087159][ T4314] ftl_cs: FTL header not found.
[ 68.098038][ T4314] FAULT_INJECTION: forcing a failure.
[ 68.098038][ T4314] name failslab, interval 1, probability 0, space 0, times 1
[ 68.111035][ T4314] CPU: 1 PID: 4314 Comm: syz.0.17 Not tainted syzkaller #0
[ 68.118240][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 68.128308][ T4314] Call Trace:
[ 68.131588][ T4314]
[ 68.134521][ T4314] dump_stack_lvl+0x188/0x250
[ 68.139218][ T4314] ? show_regs_print_info+0x20/0x20
[ 68.144418][ T4314] ? load_image+0x410/0x410
[ 68.148929][ T4314] ? __might_sleep+0xf0/0xf0
[ 68.153508][ T4314] ? __lock_acquire+0x7d40/0x7d40
[ 68.158539][ T4314] should_fail+0x383/0x4b0
[ 68.162940][ T4314] should_failslab+0x5/0x20
[ 68.167428][ T4314] slab_pre_alloc_hook+0x51/0xc0
[ 68.172353][ T4314] ? __kernfs_new_node+0xa8/0x6b0
[ 68.177359][ T4314] __kmalloc_track_caller+0x69/0x330
[ 68.182625][ T4314] ? __kernfs_new_node+0xa8/0x6b0
[ 68.187647][ T4314] kstrdup_const+0x51/0x90
[ 68.192045][ T4314] __kernfs_new_node+0xa8/0x6b0
[ 68.196880][ T4314] ? kernfs_new_node+0x250/0x250
[ 68.201798][ T4314] ? pointer+0xc60/0xc60
[ 68.206020][ T4314] ? format_decode+0xb38/0x1330
[ 68.210858][ T4314] kernfs_new_node+0x148/0x250
[ 68.215602][ T4314] kernfs_create_dir_ns+0x40/0x120
[ 68.220692][ T4314] sysfs_create_dir_ns+0x12c/0x290
[ 68.225783][ T4314] ? sysfs_warn_dup+0xa0/0xa0
[ 68.230440][ T4314] ? sysfs_create_dir_ns+0x167/0x290
[ 68.235724][ T4314] ? rcu_is_watching+0x11/0xa0
[ 68.240467][ T4314] ? kobject_set_name_vargs+0xc6/0x110
[ 68.245908][ T4314] kobject_add_internal+0x5ba/0xcd0
[ 68.251090][ T4314] kobject_add+0x160/0x230
[ 68.255489][ T4314] ? kobject_init+0x1c0/0x1c0
[ 68.260145][ T4314] ? kobject_init+0x1c0/0x1c0
[ 68.264798][ T4314] ? dev_uevent_filter+0x3f/0xb0
[ 68.269718][ T4314] blk_mq_register_hctx+0xe4/0x400
[ 68.274817][ T4314] __blk_mq_register_dev+0x206/0x640
[ 68.280100][ T4314] ? debugfs_create_dir+0x423/0x4c0
[ 68.285278][ T4314] blk_register_queue+0x1fc/0x3a0
[ 68.290284][ T4314] device_add_disk+0x60f/0xde0
[ 68.295035][ T4314] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 68.300302][ T4314] mtdblock_add_mtd+0x186/0x240
[ 68.305133][ T4314] blktrans_notify_add+0x95/0xe0
[ 68.310046][ T4314] add_mtd_device+0xd40/0x1260
[ 68.314792][ T4314] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 68.320579][ T4314] ? mtd_cls_resume+0x130/0x130
[ 68.325417][ T4314] mtd_add_partition+0x25d/0x420
[ 68.330351][ T4314] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 68.335445][ T4314] ? shrink_ecclayout+0xab0/0xab0
[ 68.340453][ T4314] ? __might_fault+0xb3/0x110
[ 68.345106][ T4314] ? _copy_from_user+0x111/0x170
[ 68.350042][ T4314] mtdchar_ioctl+0x14cb/0x1d70
[ 68.354798][ T4314] ? mtdchar_close+0x180/0x180
[ 68.359563][ T4314] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 68.365527][ T4314] ? verify_lock_unused+0x140/0x140
[ 68.370708][ T4314] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 68.376318][ T4314] ? rcu_lock_release+0x5/0x20
[ 68.381088][ T4314] ? __mutex_trylock_common+0x15c/0x260
[ 68.386612][ T4314] ? rcu_lock_release+0x20/0x20
[ 68.391446][ T4314] ? __mutex_lock_common+0x435/0x2400
[ 68.396799][ T4314] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 68.402150][ T4314] ? mutex_lock_io_nested+0x60/0x60
[ 68.407331][ T4314] mtdchar_unlocked_ioctl+0xad/0xd0
[ 68.412519][ T4314] ? mtdchar_write+0x5a0/0x5a0
[ 68.417261][ T4314] __se_sys_ioctl+0xfa/0x170
[ 68.421849][ T4314] do_syscall_64+0x4c/0xa0
[ 68.426246][ T4314] ? clear_bhb_loop+0x30/0x80
[ 68.430902][ T4314] ? clear_bhb_loop+0x30/0x80
[ 68.435563][ T4314] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 68.441448][ T4314] RIP: 0033:0x7fda6254a199
[ 68.445848][ T4314] 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
[ 68.465436][ T4314] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 68.473832][ T4314] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 68.481798][ T4314] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 68.489749][ T4314] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 68.497719][ T4314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 68.505670][ T4314] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 68.513642][ T4314]
[ 68.527663][ T4314] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 68.559004][ T4319] 0x000000000000-0x000000010000 : ""
[ 68.573021][ T4319] ftl_cs: FTL header not found.
[ 68.580777][ T4319] FAULT_INJECTION: forcing a failure.
[ 68.580777][ T4319] name failslab, interval 1, probability 0, space 0, times 0
[ 68.603570][ T4319] CPU: 1 PID: 4319 Comm: syz.0.18 Not tainted syzkaller #0
[ 68.610776][ T4319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 68.620812][ T4319] Call Trace:
[ 68.624077][ T4319]
[ 68.626992][ T4319] dump_stack_lvl+0x188/0x250
[ 68.631656][ T4319] ? show_regs_print_info+0x20/0x20
[ 68.636835][ T4319] ? load_image+0x410/0x410
[ 68.641321][ T4319] ? __might_sleep+0xf0/0xf0
[ 68.645894][ T4319] ? __lock_acquire+0x7d40/0x7d40
[ 68.650906][ T4319] should_fail+0x383/0x4b0
[ 68.655309][ T4319] should_failslab+0x5/0x20
[ 68.659791][ T4319] slab_pre_alloc_hook+0x51/0xc0
[ 68.664855][ T4319] ? __kernfs_new_node+0xe3/0x6b0
[ 68.669892][ T4319] kmem_cache_alloc+0x3d/0x280
[ 68.674658][ T4319] __kernfs_new_node+0xe3/0x6b0
[ 68.679510][ T4319] ? __lock_acquire+0x7d40/0x7d40
[ 68.684526][ T4319] ? kernfs_new_node+0x250/0x250
[ 68.689464][ T4319] ? kernfs_activate+0x1eb/0x210
[ 68.694385][ T4319] kernfs_new_node+0x148/0x250
[ 68.699142][ T4319] __kernfs_create_file+0x47/0x2e0
[ 68.704245][ T4319] sysfs_add_file_mode_ns+0x2d2/0x390
[ 68.709606][ T4319] internal_create_group+0x492/0xd00
[ 68.714875][ T4319] ? kernfs_add_one+0x564/0x6c0
[ 68.719734][ T4319] ? sysfs_create_group+0x20/0x20
[ 68.724743][ T4319] ? sysfs_create_dir_ns+0x167/0x290
[ 68.730466][ T4319] ? sysfs_warn_dup+0xa0/0xa0
[ 68.735122][ T4319] ? sysfs_create_dir_ns+0x167/0x290
[ 68.740390][ T4319] sysfs_create_groups+0x55/0x120
[ 68.745396][ T4319] kobject_add_internal+0x6fb/0xcd0
[ 68.750583][ T4319] kobject_add+0x160/0x230
[ 68.754984][ T4319] ? kobject_init+0x1c0/0x1c0
[ 68.759647][ T4319] ? kobject_init+0x1c0/0x1c0
[ 68.764303][ T4319] ? dev_uevent_filter+0x3f/0xb0
[ 68.769222][ T4319] blk_mq_register_hctx+0xe4/0x400
[ 68.774318][ T4319] __blk_mq_register_dev+0x206/0x640
[ 68.779587][ T4319] ? debugfs_create_dir+0x423/0x4c0
[ 68.784772][ T4319] blk_register_queue+0x1fc/0x3a0
[ 68.789784][ T4319] device_add_disk+0x60f/0xde0
[ 68.794547][ T4319] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 68.799818][ T4319] mtdblock_add_mtd+0x186/0x240
[ 68.804651][ T4319] blktrans_notify_add+0x95/0xe0
[ 68.809568][ T4319] add_mtd_device+0xd40/0x1260
[ 68.814323][ T4319] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 68.820114][ T4319] ? mtd_cls_resume+0x130/0x130
[ 68.824963][ T4319] mtd_add_partition+0x25d/0x420
[ 68.829886][ T4319] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 68.834989][ T4319] ? shrink_ecclayout+0xab0/0xab0
[ 68.840005][ T4319] ? __might_fault+0xb3/0x110
[ 68.844666][ T4319] ? _copy_from_user+0x111/0x170
[ 68.849585][ T4319] mtdchar_ioctl+0x14cb/0x1d70
[ 68.854336][ T4319] ? mtdchar_close+0x180/0x180
[ 68.859083][ T4319] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 68.865046][ T4319] ? verify_lock_unused+0x140/0x140
[ 68.870230][ T4319] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 68.875848][ T4319] ? rcu_lock_release+0x5/0x20
[ 68.880616][ T4319] ? __mutex_trylock_common+0x15c/0x260
[ 68.886144][ T4319] ? rcu_lock_release+0x20/0x20
[ 68.890987][ T4319] ? __mutex_lock_common+0x435/0x2400
[ 68.896354][ T4319] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 68.901729][ T4319] ? mutex_lock_io_nested+0x60/0x60
[ 68.906935][ T4319] mtdchar_unlocked_ioctl+0xad/0xd0
[ 68.912130][ T4319] ? mtdchar_write+0x5a0/0x5a0
[ 68.916887][ T4319] __se_sys_ioctl+0xfa/0x170
[ 68.921468][ T4319] do_syscall_64+0x4c/0xa0
[ 68.925872][ T4319] ? clear_bhb_loop+0x30/0x80
[ 68.930535][ T4319] ? clear_bhb_loop+0x30/0x80
[ 68.935194][ T4319] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 68.941070][ T4319] RIP: 0033:0x7fda6254a199
[ 68.945473][ T4319] 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
[ 68.965067][ T4319] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 68.973472][ T4319] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 68.981428][ T4319] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 68.989388][ T4319] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 68.997345][ T4319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 69.005296][ T4319] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 69.013267][ T4319]
[ 69.036941][ T4319] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 69.091036][ T4322] 0x000000000000-0x000000010000 : ""
[ 69.101939][ T4322] ftl_cs: FTL header not found.
[ 69.128499][ T4322] FAULT_INJECTION: forcing a failure.
[ 69.128499][ T4322] name failslab, interval 1, probability 0, space 0, times 0
[ 69.153208][ T4322] CPU: 1 PID: 4322 Comm: syz.0.19 Not tainted syzkaller #0
[ 69.160444][ T4322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 69.170506][ T4322] Call Trace:
[ 69.173789][ T4322]
[ 69.176736][ T4322] dump_stack_lvl+0x188/0x250
[ 69.181424][ T4322] ? show_regs_print_info+0x20/0x20
[ 69.186624][ T4322] ? load_image+0x410/0x410
[ 69.191129][ T4322] ? __might_sleep+0xf0/0xf0
[ 69.195725][ T4322] ? __lock_acquire+0x7d40/0x7d40
[ 69.200758][ T4322] should_fail+0x383/0x4b0
[ 69.205182][ T4322] should_failslab+0x5/0x20
[ 69.209683][ T4322] slab_pre_alloc_hook+0x51/0xc0
[ 69.214620][ T4322] ? __kernfs_new_node+0xe3/0x6b0
[ 69.219645][ T4322] kmem_cache_alloc+0x3d/0x280
[ 69.224409][ T4322] __kernfs_new_node+0xe3/0x6b0
[ 69.229264][ T4322] ? kernfs_new_node+0x250/0x250
[ 69.233822][ T7] Bluetooth: hci0: command 0x040f tx timeout
[ 69.234203][ T4322] ? pointer+0xc60/0xc60
[ 69.244412][ T4322] ? format_decode+0xb38/0x1330
[ 69.249287][ T4322] kernfs_new_node+0x148/0x250
[ 69.254062][ T4322] kernfs_create_dir_ns+0x40/0x120
[ 69.259178][ T4322] sysfs_create_dir_ns+0x12c/0x290
[ 69.264293][ T4322] ? sysfs_warn_dup+0xa0/0xa0
[ 69.268973][ T4322] ? sysfs_create_dir_ns+0x167/0x290
[ 69.274264][ T4322] ? rcu_is_watching+0x11/0xa0
[ 69.279027][ T4322] ? kobject_set_name_vargs+0xc6/0x110
[ 69.284490][ T4322] kobject_add_internal+0x5ba/0xcd0
[ 69.289697][ T4322] kobject_add+0x160/0x230
[ 69.294119][ T4322] ? kobject_init+0x1c0/0x1c0
[ 69.298803][ T4322] ? kobject_init+0x1c0/0x1c0
[ 69.303481][ T4322] ? dev_uevent_filter+0x3f/0xb0
[ 69.308427][ T4322] blk_mq_register_hctx+0x1d5/0x400
[ 69.313631][ T4322] __blk_mq_register_dev+0x206/0x640
[ 69.318927][ T4322] ? debugfs_create_dir+0x423/0x4c0
[ 69.324134][ T4322] blk_register_queue+0x1fc/0x3a0
[ 69.329163][ T4322] device_add_disk+0x60f/0xde0
[ 69.333937][ T4322] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 69.339231][ T4322] mtdblock_add_mtd+0x186/0x240
[ 69.344083][ T4322] blktrans_notify_add+0x95/0xe0
[ 69.349023][ T4322] add_mtd_device+0xd40/0x1260
[ 69.353808][ T4322] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 69.359626][ T4322] ? mtd_cls_resume+0x130/0x130
[ 69.364495][ T4322] mtd_add_partition+0x25d/0x420
[ 69.369443][ T4322] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 69.374554][ T4322] ? shrink_ecclayout+0xab0/0xab0
[ 69.379596][ T4322] ? __might_fault+0xb3/0x110
[ 69.384277][ T4322] ? _copy_from_user+0x111/0x170
[ 69.389224][ T4322] mtdchar_ioctl+0x14cb/0x1d70
[ 69.393993][ T4322] ? mtdchar_close+0x180/0x180
[ 69.398769][ T4322] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 69.404778][ T4322] ? verify_lock_unused+0x140/0x140
[ 69.409988][ T4322] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 69.415625][ T4322] ? rcu_lock_release+0x5/0x20
[ 69.420423][ T4322] ? __mutex_trylock_common+0x15c/0x260
[ 69.425973][ T4322] ? rcu_lock_release+0x20/0x20
[ 69.430835][ T4322] ? __mutex_lock_common+0x435/0x2400
[ 69.436220][ T4322] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 69.441598][ T4322] ? mutex_lock_io_nested+0x60/0x60
[ 69.446816][ T4322] mtdchar_unlocked_ioctl+0xad/0xd0
[ 69.452022][ T4322] ? mtdchar_write+0x5a0/0x5a0
[ 69.456796][ T4322] __se_sys_ioctl+0xfa/0x170
[ 69.461392][ T4322] do_syscall_64+0x4c/0xa0
[ 69.465819][ T4322] ? clear_bhb_loop+0x30/0x80
[ 69.470498][ T4322] ? clear_bhb_loop+0x30/0x80
[ 69.475178][ T4322] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.481074][ T4322] RIP: 0033:0x7fda6254a199
[ 69.485486][ T4322] 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
[ 69.505085][ T4322] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 69.513502][ T4322] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 69.521473][ T4322] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 69.529442][ T4322] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 69.537414][ T4322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 69.545392][ T4322] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 69.553380][ T4322]
[ 69.566297][ T4322] kobject_add_internal failed for cpu0 (error: -12 parent: 0)
[ 69.609618][ T4325] 0x000000000000-0x000000010000 : ""
[ 69.630244][ T4325] ftl_cs: FTL header not found.
[ 69.640823][ T4325] FAULT_INJECTION: forcing a failure.
[ 69.640823][ T4325] name failslab, interval 1, probability 0, space 0, times 0
[ 69.657147][ T4325] CPU: 0 PID: 4325 Comm: syz.0.20 Not tainted syzkaller #0
[ 69.664383][ T4325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 69.674441][ T4325] Call Trace:
[ 69.677728][ T4325]
[ 69.680661][ T4325] dump_stack_lvl+0x188/0x250
[ 69.685346][ T4325] ? show_regs_print_info+0x20/0x20
[ 69.690540][ T4325] ? load_image+0x410/0x410
[ 69.695045][ T4325] ? __might_sleep+0xf0/0xf0
[ 69.699641][ T4325] ? __lock_acquire+0x7d40/0x7d40
[ 69.704672][ T4325] should_fail+0x383/0x4b0
[ 69.709103][ T4325] should_failslab+0x5/0x20
[ 69.713601][ T4325] slab_pre_alloc_hook+0x51/0xc0
[ 69.718543][ T4325] ? __kernfs_new_node+0xe3/0x6b0
[ 69.723566][ T4325] kmem_cache_alloc+0x3d/0x280
[ 69.728334][ T4325] __kernfs_new_node+0xe3/0x6b0
[ 69.733193][ T4325] ? kernfs_new_node+0x250/0x250
[ 69.738136][ T4325] ? pointer+0xc60/0xc60
[ 69.742379][ T4325] ? format_decode+0xb38/0x1330
[ 69.747234][ T4325] kernfs_new_node+0x148/0x250
[ 69.752007][ T4325] kernfs_create_dir_ns+0x40/0x120
[ 69.757118][ T4325] sysfs_create_dir_ns+0x12c/0x290
[ 69.762240][ T4325] ? sysfs_warn_dup+0xa0/0xa0
[ 69.766911][ T4325] ? sysfs_create_dir_ns+0x167/0x290
[ 69.772201][ T4325] ? rcu_is_watching+0x11/0xa0
[ 69.776965][ T4325] ? kobject_set_name_vargs+0xc6/0x110
[ 69.782424][ T4325] kobject_add_internal+0x5ba/0xcd0
[ 69.787634][ T4325] kobject_add+0x160/0x230
[ 69.792051][ T4325] ? kobject_init+0x1c0/0x1c0
[ 69.796732][ T4325] ? kobject_init+0x1c0/0x1c0
[ 69.801405][ T4325] ? dev_uevent_filter+0x3f/0xb0
[ 69.806345][ T4325] blk_mq_register_hctx+0x1d5/0x400
[ 69.811568][ T4325] __blk_mq_register_dev+0x206/0x640
[ 69.816853][ T4325] ? debugfs_create_dir+0x423/0x4c0
[ 69.822144][ T4325] blk_register_queue+0x1fc/0x3a0
[ 69.827175][ T4325] device_add_disk+0x60f/0xde0
[ 69.831947][ T4325] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 69.837244][ T4325] mtdblock_add_mtd+0x186/0x240
[ 69.842092][ T4325] blktrans_notify_add+0x95/0xe0
[ 69.847025][ T4325] add_mtd_device+0xd40/0x1260
[ 69.851818][ T4325] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 69.857636][ T4325] ? mtd_cls_resume+0x130/0x130
[ 69.862507][ T4325] mtd_add_partition+0x25d/0x420
[ 69.867461][ T4325] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 69.872577][ T4325] ? shrink_ecclayout+0xab0/0xab0
[ 69.877618][ T4325] ? __might_fault+0xb3/0x110
[ 69.882296][ T4325] ? _copy_from_user+0x111/0x170
[ 69.887235][ T4325] mtdchar_ioctl+0x14cb/0x1d70
[ 69.892004][ T4325] ? mtdchar_close+0x180/0x180
[ 69.896768][ T4325] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 69.902782][ T4325] ? verify_lock_unused+0x140/0x140
[ 69.907983][ T4325] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 69.913614][ T4325] ? rcu_lock_release+0x5/0x20
[ 69.918521][ T4325] ? __mutex_trylock_common+0x15c/0x260
[ 69.924082][ T4325] ? rcu_lock_release+0x20/0x20
[ 69.928945][ T4325] ? __mutex_lock_common+0x435/0x2400
[ 69.934331][ T4325] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 69.939707][ T4325] ? mutex_lock_io_nested+0x60/0x60
[ 69.944922][ T4325] mtdchar_unlocked_ioctl+0xad/0xd0
[ 69.950128][ T4325] ? mtdchar_write+0x5a0/0x5a0
[ 69.954896][ T4325] __se_sys_ioctl+0xfa/0x170
[ 69.959491][ T4325] do_syscall_64+0x4c/0xa0
[ 69.963910][ T4325] ? clear_bhb_loop+0x30/0x80
[ 69.968590][ T4325] ? clear_bhb_loop+0x30/0x80
[ 69.973321][ T4325] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 69.979228][ T4325] RIP: 0033:0x7fda6254a199
[ 69.983763][ T4325] 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
[ 70.003371][ T4325] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 70.011782][ T4325] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 70.019745][ T4325] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 70.027734][ T4325] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 70.035689][ T4325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 70.043732][ T4325] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 70.051831][ T4325]
[ 70.068278][ T4325] kobject_add_internal failed for cpu0 (error: -12 parent: 0)
[ 70.118071][ T4328] 0x000000000000-0x000000010000 : ""
[ 70.126793][ T4328] ftl_cs: FTL header not found.
[ 70.138165][ T4328] FAULT_INJECTION: forcing a failure.
[ 70.138165][ T4328] name failslab, interval 1, probability 0, space 0, times 0
[ 70.164561][ T4328] CPU: 0 PID: 4328 Comm: syz.0.21 Not tainted syzkaller #0
[ 70.171812][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 70.181890][ T4328] Call Trace:
[ 70.185176][ T4328]
[ 70.188111][ T4328] dump_stack_lvl+0x188/0x250
[ 70.192799][ T4328] ? show_regs_print_info+0x20/0x20
[ 70.197994][ T4328] ? load_image+0x410/0x410
[ 70.202483][ T4328] ? __might_sleep+0xf0/0xf0
[ 70.207056][ T4328] ? __lock_acquire+0x7d40/0x7d40
[ 70.212066][ T4328] should_fail+0x383/0x4b0
[ 70.216474][ T4328] should_failslab+0x5/0x20
[ 70.221103][ T4328] slab_pre_alloc_hook+0x51/0xc0
[ 70.226051][ T4328] ? __kernfs_new_node+0xe3/0x6b0
[ 70.231067][ T4328] kmem_cache_alloc+0x3d/0x280
[ 70.235822][ T4328] __kernfs_new_node+0xe3/0x6b0
[ 70.240660][ T4328] ? __lock_acquire+0x7d40/0x7d40
[ 70.245667][ T4328] ? kernfs_new_node+0x250/0x250
[ 70.250592][ T4328] ? kernfs_activate+0x1eb/0x210
[ 70.255515][ T4328] kernfs_new_node+0x148/0x250
[ 70.260263][ T4328] __kernfs_create_file+0x47/0x2e0
[ 70.265359][ T4328] sysfs_add_file_mode_ns+0x2d2/0x390
[ 70.270715][ T4328] internal_create_group+0x492/0xd00
[ 70.275981][ T4328] ? kernfs_add_one+0x564/0x6c0
[ 70.280830][ T4328] ? sysfs_create_group+0x20/0x20
[ 70.285835][ T4328] ? sysfs_create_dir_ns+0x167/0x290
[ 70.291211][ T4328] ? sysfs_warn_dup+0xa0/0xa0
[ 70.295866][ T4328] ? sysfs_create_dir_ns+0x167/0x290
[ 70.301147][ T4328] sysfs_create_groups+0x55/0x120
[ 70.306161][ T4328] kobject_add_internal+0x6fb/0xcd0
[ 70.311344][ T4328] kobject_add+0x160/0x230
[ 70.315746][ T4328] ? kobject_init+0x1c0/0x1c0
[ 70.320412][ T4328] ? kobject_init+0x1c0/0x1c0
[ 70.325070][ T4328] ? dev_uevent_filter+0x3f/0xb0
[ 70.330014][ T4328] blk_mq_register_hctx+0xe4/0x400
[ 70.335111][ T4328] __blk_mq_register_dev+0x206/0x640
[ 70.340381][ T4328] ? debugfs_create_dir+0x423/0x4c0
[ 70.345567][ T4328] blk_register_queue+0x1fc/0x3a0
[ 70.350585][ T4328] device_add_disk+0x60f/0xde0
[ 70.355341][ T4328] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 70.360698][ T4328] mtdblock_add_mtd+0x186/0x240
[ 70.365548][ T4328] blktrans_notify_add+0x95/0xe0
[ 70.370507][ T4328] add_mtd_device+0xd40/0x1260
[ 70.375288][ T4328] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 70.381090][ T4328] ? mtd_cls_resume+0x130/0x130
[ 70.385936][ T4328] mtd_add_partition+0x25d/0x420
[ 70.390876][ T4328] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 70.395969][ T4328] ? shrink_ecclayout+0xab0/0xab0
[ 70.400982][ T4328] ? __might_fault+0xb3/0x110
[ 70.405638][ T4328] ? _copy_from_user+0x111/0x170
[ 70.410569][ T4328] mtdchar_ioctl+0x14cb/0x1d70
[ 70.415331][ T4328] ? mtdchar_close+0x180/0x180
[ 70.420080][ T4328] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 70.426044][ T4328] ? verify_lock_unused+0x140/0x140
[ 70.431229][ T4328] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 70.436842][ T4328] ? rcu_lock_release+0x5/0x20
[ 70.441596][ T4328] ? __mutex_trylock_common+0x15c/0x260
[ 70.447125][ T4328] ? rcu_lock_release+0x20/0x20
[ 70.451964][ T4328] ? __mutex_lock_common+0x435/0x2400
[ 70.457320][ T4328] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 70.462680][ T4328] ? mutex_lock_io_nested+0x60/0x60
[ 70.467867][ T4328] mtdchar_unlocked_ioctl+0xad/0xd0
[ 70.473059][ T4328] ? mtdchar_write+0x5a0/0x5a0
[ 70.477799][ T4328] __se_sys_ioctl+0xfa/0x170
[ 70.482370][ T4328] do_syscall_64+0x4c/0xa0
[ 70.486768][ T4328] ? clear_bhb_loop+0x30/0x80
[ 70.491424][ T4328] ? clear_bhb_loop+0x30/0x80
[ 70.496083][ T4328] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 70.501957][ T4328] RIP: 0033:0x7fda6254a199
[ 70.506355][ T4328] 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
[ 70.525956][ T4328] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 70.534352][ T4328] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 70.542305][ T4328] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 70.550255][ T4328] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 70.558205][ T4328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 70.566154][ T4328] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 70.574131][ T4328]
[ 70.578969][ T4328] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 70.623944][ T4331] 0x000000000000-0x000000010000 : ""
[ 70.633105][ T4331] ftl_cs: FTL header not found.
[ 70.656244][ T4331] FAULT_INJECTION: forcing a failure.
[ 70.656244][ T4331] name failslab, interval 1, probability 0, space 0, times 0
[ 70.675612][ T4331] CPU: 1 PID: 4331 Comm: syz.0.22 Not tainted syzkaller #0
[ 70.682849][ T4331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 70.692905][ T4331] Call Trace:
[ 70.696184][ T4331]
[ 70.699114][ T4331] dump_stack_lvl+0x188/0x250
[ 70.703806][ T4331] ? show_regs_print_info+0x20/0x20
[ 70.709011][ T4331] ? load_image+0x410/0x410
[ 70.713542][ T4331] ? __might_sleep+0xf0/0xf0
[ 70.718140][ T4331] ? __lock_acquire+0x7d40/0x7d40
[ 70.723166][ T4331] should_fail+0x383/0x4b0
[ 70.727569][ T4331] should_failslab+0x5/0x20
[ 70.732158][ T4331] slab_pre_alloc_hook+0x51/0xc0
[ 70.737075][ T4331] ? __kernfs_new_node+0xe3/0x6b0
[ 70.742081][ T4331] kmem_cache_alloc+0x3d/0x280
[ 70.746830][ T4331] __kernfs_new_node+0xe3/0x6b0
[ 70.751674][ T4331] ? kernfs_new_node+0x250/0x250
[ 70.756599][ T4331] kernfs_new_node+0x148/0x250
[ 70.761348][ T4331] __kernfs_create_file+0x47/0x2e0
[ 70.766460][ T4331] sysfs_add_file_mode_ns+0x2d2/0x390
[ 70.771816][ T4331] internal_create_group+0x492/0xd00
[ 70.777080][ T4331] ? kernfs_add_one+0x564/0x6c0
[ 70.781918][ T4331] ? sysfs_create_group+0x20/0x20
[ 70.786919][ T4331] ? sysfs_create_dir_ns+0x167/0x290
[ 70.792184][ T4331] ? sysfs_warn_dup+0xa0/0xa0
[ 70.796841][ T4331] ? sysfs_create_dir_ns+0x167/0x290
[ 70.802111][ T4331] sysfs_create_groups+0x55/0x120
[ 70.807129][ T4331] kobject_add_internal+0x6fb/0xcd0
[ 70.812308][ T4331] kobject_add+0x160/0x230
[ 70.816710][ T4331] ? kobject_init+0x1c0/0x1c0
[ 70.821368][ T4331] ? kobject_init+0x1c0/0x1c0
[ 70.826024][ T4331] ? dev_uevent_filter+0x3f/0xb0
[ 70.830945][ T4331] blk_mq_register_hctx+0xe4/0x400
[ 70.836045][ T4331] __blk_mq_register_dev+0x206/0x640
[ 70.841314][ T4331] ? debugfs_create_dir+0x423/0x4c0
[ 70.846495][ T4331] blk_register_queue+0x1fc/0x3a0
[ 70.851503][ T4331] device_add_disk+0x60f/0xde0
[ 70.856250][ T4331] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 70.861532][ T4331] mtdblock_add_mtd+0x186/0x240
[ 70.866367][ T4331] blktrans_notify_add+0x95/0xe0
[ 70.871303][ T4331] add_mtd_device+0xd40/0x1260
[ 70.876054][ T4331] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 70.881843][ T4331] ? mtd_cls_resume+0x130/0x130
[ 70.886685][ T4331] mtd_add_partition+0x25d/0x420
[ 70.891606][ T4331] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 70.896703][ T4331] ? shrink_ecclayout+0xab0/0xab0
[ 70.901743][ T4331] ? __might_fault+0xb3/0x110
[ 70.906400][ T4331] ? _copy_from_user+0x111/0x170
[ 70.911321][ T4331] mtdchar_ioctl+0x14cb/0x1d70
[ 70.916073][ T4331] ? mtdchar_close+0x180/0x180
[ 70.920819][ T4331] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 70.926780][ T4331] ? verify_lock_unused+0x140/0x140
[ 70.931964][ T4331] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 70.937579][ T4331] ? rcu_lock_release+0x5/0x20
[ 70.942348][ T4331] ? __mutex_trylock_common+0x15c/0x260
[ 70.947895][ T4331] ? rcu_lock_release+0x20/0x20
[ 70.952747][ T4331] ? __mutex_lock_common+0x435/0x2400
[ 70.958167][ T4331] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 70.963530][ T4331] ? mutex_lock_io_nested+0x60/0x60
[ 70.968720][ T4331] mtdchar_unlocked_ioctl+0xad/0xd0
[ 70.973905][ T4331] ? mtdchar_write+0x5a0/0x5a0
[ 70.978650][ T4331] __se_sys_ioctl+0xfa/0x170
[ 70.983229][ T4331] do_syscall_64+0x4c/0xa0
[ 70.987642][ T4331] ? clear_bhb_loop+0x30/0x80
[ 70.992310][ T4331] ? clear_bhb_loop+0x30/0x80
[ 70.996971][ T4331] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 71.002848][ T4331] RIP: 0033:0x7fda6254a199
[ 71.007249][ T4331] 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
[ 71.026834][ T4331] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 71.035228][ T4331] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 71.043182][ T4331] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 71.051133][ T4331] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 71.059103][ T4331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 71.067062][ T4331] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 71.075039][ T4331]
[ 71.079485][ T4331] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 71.109895][ T4334] 0x000000000000-0x000000010000 : ""
[ 71.118215][ T4334] ftl_cs: FTL header not found.
[ 71.128983][ T4334] FAULT_INJECTION: forcing a failure.
[ 71.128983][ T4334] name failslab, interval 1, probability 0, space 0, times 0
[ 71.141974][ T4334] CPU: 0 PID: 4334 Comm: syz.0.23 Not tainted syzkaller #0
[ 71.149179][ T4334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 71.159226][ T4334] Call Trace:
[ 71.162497][ T4334]
[ 71.165431][ T4334] dump_stack_lvl+0x188/0x250
[ 71.170114][ T4334] ? show_regs_print_info+0x20/0x20
[ 71.175291][ T4334] ? load_image+0x410/0x410
[ 71.179791][ T4334] ? __might_sleep+0xf0/0xf0
[ 71.184361][ T4334] ? __lock_acquire+0x7d40/0x7d40
[ 71.189374][ T4334] should_fail+0x383/0x4b0
[ 71.193783][ T4334] should_failslab+0x5/0x20
[ 71.198299][ T4334] slab_pre_alloc_hook+0x51/0xc0
[ 71.203220][ T4334] ? __kernfs_new_node+0xe3/0x6b0
[ 71.208230][ T4334] kmem_cache_alloc+0x3d/0x280
[ 71.212981][ T4334] __kernfs_new_node+0xe3/0x6b0
[ 71.217818][ T4334] ? kernfs_new_node+0x250/0x250
[ 71.222743][ T4334] kernfs_new_node+0x148/0x250
[ 71.227505][ T4334] __kernfs_create_file+0x47/0x2e0
[ 71.232614][ T4334] sysfs_add_file_mode_ns+0x2d2/0x390
[ 71.237970][ T4334] internal_create_group+0x492/0xd00
[ 71.243256][ T4334] ? kernfs_add_one+0x564/0x6c0
[ 71.248095][ T4334] ? sysfs_create_group+0x20/0x20
[ 71.253115][ T4334] ? sysfs_create_dir_ns+0x167/0x290
[ 71.258379][ T4334] ? sysfs_warn_dup+0xa0/0xa0
[ 71.263035][ T4334] ? sysfs_create_dir_ns+0x167/0x290
[ 71.268297][ T4334] sysfs_create_groups+0x55/0x120
[ 71.273312][ T4334] kobject_add_internal+0x6fb/0xcd0
[ 71.278491][ T4334] kobject_add+0x160/0x230
[ 71.282897][ T4334] ? kobject_init+0x1c0/0x1c0
[ 71.287574][ T4334] ? kobject_init+0x1c0/0x1c0
[ 71.292238][ T4334] ? dev_uevent_filter+0x3f/0xb0
[ 71.297180][ T4334] blk_mq_register_hctx+0xe4/0x400
[ 71.302293][ T4334] __blk_mq_register_dev+0x206/0x640
[ 71.307561][ T4334] ? debugfs_create_dir+0x423/0x4c0
[ 71.312747][ T4334] blk_register_queue+0x1fc/0x3a0
[ 71.317775][ T4334] device_add_disk+0x60f/0xde0
[ 71.322542][ T4334] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 71.327815][ T4334] mtdblock_add_mtd+0x186/0x240
[ 71.332662][ T4334] blktrans_notify_add+0x95/0xe0
[ 71.337584][ T4334] add_mtd_device+0xd40/0x1260
[ 71.342361][ T4334] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 71.348156][ T4334] ? mtd_cls_resume+0x130/0x130
[ 71.353014][ T4334] mtd_add_partition+0x25d/0x420
[ 71.357939][ T4334] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 71.363032][ T4334] ? shrink_ecclayout+0xab0/0xab0
[ 71.368046][ T4334] ? __might_fault+0xb3/0x110
[ 71.372710][ T4334] ? _copy_from_user+0x111/0x170
[ 71.377628][ T4334] mtdchar_ioctl+0x14cb/0x1d70
[ 71.382374][ T4334] ? mtdchar_close+0x180/0x180
[ 71.387121][ T4334] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 71.393089][ T4334] ? verify_lock_unused+0x140/0x140
[ 71.398270][ T4334] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 71.403884][ T4334] ? rcu_lock_release+0x5/0x20
[ 71.408642][ T4334] ? __mutex_trylock_common+0x15c/0x260
[ 71.414171][ T4334] ? rcu_lock_release+0x20/0x20
[ 71.419007][ T4334] ? __mutex_lock_common+0x435/0x2400
[ 71.424363][ T4334] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 71.429714][ T4334] ? mutex_lock_io_nested+0x60/0x60
[ 71.434900][ T4334] mtdchar_unlocked_ioctl+0xad/0xd0
[ 71.440078][ T4334] ? mtdchar_write+0x5a0/0x5a0
[ 71.444820][ T4334] __se_sys_ioctl+0xfa/0x170
[ 71.449394][ T4334] do_syscall_64+0x4c/0xa0
[ 71.453796][ T4334] ? clear_bhb_loop+0x30/0x80
[ 71.458453][ T4334] ? clear_bhb_loop+0x30/0x80
[ 71.463110][ T4334] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 71.468982][ T4334] RIP: 0033:0x7fda6254a199
[ 71.473384][ T4334] 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
[ 71.493000][ T4334] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 71.501432][ T4334] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 71.509387][ T4334] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 71.517341][ T4334] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 71.525291][ T4334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 71.533242][ T4334] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 71.541201][ T4334]
[ 71.550081][ T4278] Bluetooth: hci0: command 0x0419 tx timeout
[ 71.551081][ T4334] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 71.556680][ T1419] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.570081][ T1419] ieee802154 phy1 wpan1: encryption failed: -22
[ 71.598403][ T4337] 0x000000000000-0x000000010000 : ""
[ 71.606624][ T4337] ftl_cs: FTL header not found.
[ 71.615644][ T4337] FAULT_INJECTION: forcing a failure.
[ 71.615644][ T4337] name failslab, interval 1, probability 0, space 0, times 0
[ 71.628350][ T4337] CPU: 0 PID: 4337 Comm: syz.0.24 Not tainted syzkaller #0
[ 71.635553][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 71.645608][ T4337] Call Trace:
[ 71.648879][ T4337]
[ 71.651791][ T4337] dump_stack_lvl+0x188/0x250
[ 71.656452][ T4337] ? show_regs_print_info+0x20/0x20
[ 71.661631][ T4337] ? load_image+0x410/0x410
[ 71.666118][ T4337] ? __might_sleep+0xf0/0xf0
[ 71.670704][ T4337] ? __lock_acquire+0x7d40/0x7d40
[ 71.675710][ T4337] should_fail+0x383/0x4b0
[ 71.680112][ T4337] should_failslab+0x5/0x20
[ 71.684599][ T4337] slab_pre_alloc_hook+0x51/0xc0
[ 71.689536][ T4337] ? __kernfs_new_node+0xe3/0x6b0
[ 71.694545][ T4337] kmem_cache_alloc+0x3d/0x280
[ 71.699296][ T4337] __kernfs_new_node+0xe3/0x6b0
[ 71.704131][ T4337] ? kernfs_new_node+0x250/0x250
[ 71.709056][ T4337] kernfs_new_node+0x148/0x250
[ 71.713826][ T4337] __kernfs_create_file+0x47/0x2e0
[ 71.718920][ T4337] sysfs_add_file_mode_ns+0x2d2/0x390
[ 71.724278][ T4337] internal_create_group+0x492/0xd00
[ 71.729557][ T4337] ? kernfs_add_one+0x564/0x6c0
[ 71.734403][ T4337] ? sysfs_create_group+0x20/0x20
[ 71.739421][ T4337] ? sysfs_create_dir_ns+0x167/0x290
[ 71.744686][ T4337] ? sysfs_warn_dup+0xa0/0xa0
[ 71.749340][ T4337] ? sysfs_create_dir_ns+0x167/0x290
[ 71.754603][ T4337] sysfs_create_groups+0x55/0x120
[ 71.759608][ T4337] kobject_add_internal+0x6fb/0xcd0
[ 71.764793][ T4337] kobject_add+0x160/0x230
[ 71.769191][ T4337] ? kobject_init+0x1c0/0x1c0
[ 71.773846][ T4337] ? kobject_init+0x1c0/0x1c0
[ 71.778497][ T4337] ? dev_uevent_filter+0x3f/0xb0
[ 71.783420][ T4337] blk_mq_register_hctx+0xe4/0x400
[ 71.788544][ T4337] __blk_mq_register_dev+0x206/0x640
[ 71.793826][ T4337] ? debugfs_create_dir+0x423/0x4c0
[ 71.799011][ T4337] blk_register_queue+0x1fc/0x3a0
[ 71.804031][ T4337] device_add_disk+0x60f/0xde0
[ 71.808783][ T4337] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 71.814054][ T4337] mtdblock_add_mtd+0x186/0x240
[ 71.818915][ T4337] blktrans_notify_add+0x95/0xe0
[ 71.823835][ T4337] add_mtd_device+0xd40/0x1260
[ 71.828587][ T4337] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 71.834386][ T4337] ? mtd_cls_resume+0x130/0x130
[ 71.839246][ T4337] mtd_add_partition+0x25d/0x420
[ 71.844169][ T4337] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 71.849260][ T4337] ? shrink_ecclayout+0xab0/0xab0
[ 71.854269][ T4337] ? __might_fault+0xb3/0x110
[ 71.858944][ T4337] ? _copy_from_user+0x111/0x170
[ 71.863861][ T4337] mtdchar_ioctl+0x14cb/0x1d70
[ 71.868608][ T4337] ? mtdchar_close+0x180/0x180
[ 71.873378][ T4337] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 71.879351][ T4337] ? verify_lock_unused+0x140/0x140
[ 71.884550][ T4337] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 71.890199][ T4337] ? rcu_lock_release+0x5/0x20
[ 71.894955][ T4337] ? __mutex_trylock_common+0x15c/0x260
[ 71.900486][ T4337] ? rcu_lock_release+0x20/0x20
[ 71.905332][ T4337] ? __mutex_lock_common+0x435/0x2400
[ 71.910692][ T4337] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 71.916047][ T4337] ? mutex_lock_io_nested+0x60/0x60
[ 71.921259][ T4337] mtdchar_unlocked_ioctl+0xad/0xd0
[ 71.926442][ T4337] ? mtdchar_write+0x5a0/0x5a0
[ 71.931185][ T4337] __se_sys_ioctl+0xfa/0x170
[ 71.935757][ T4337] do_syscall_64+0x4c/0xa0
[ 71.940157][ T4337] ? clear_bhb_loop+0x30/0x80
[ 71.944814][ T4337] ? clear_bhb_loop+0x30/0x80
[ 71.949470][ T4337] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 71.955341][ T4337] RIP: 0033:0x7fda6254a199
[ 71.959741][ T4337] 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
[ 71.979353][ T4337] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 71.987746][ T4337] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 71.995701][ T4337] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 72.003670][ T4337] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 72.011620][ T4337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 72.019569][ T4337] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 72.027554][ T4337]
[ 72.035409][ T4337] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 72.063048][ T4340] 0x000000000000-0x000000010000 : ""
[ 72.074012][ T4340] ftl_cs: FTL header not found.
[ 72.085947][ T4340] FAULT_INJECTION: forcing a failure.
[ 72.085947][ T4340] name failslab, interval 1, probability 0, space 0, times 0
[ 72.099662][ T4340] CPU: 0 PID: 4340 Comm: syz.0.25 Not tainted syzkaller #0
[ 72.106870][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 72.116904][ T4340] Call Trace:
[ 72.120168][ T4340]
[ 72.123078][ T4340] dump_stack_lvl+0x188/0x250
[ 72.127745][ T4340] ? show_regs_print_info+0x20/0x20
[ 72.132927][ T4340] ? load_image+0x410/0x410
[ 72.137428][ T4340] ? __lock_acquire+0x7d40/0x7d40
[ 72.142439][ T4340] should_fail+0x383/0x4b0
[ 72.146842][ T4340] should_failslab+0x5/0x20
[ 72.151324][ T4340] slab_pre_alloc_hook+0x51/0xc0
[ 72.156245][ T4340] ? kobject_set_name_vargs+0x5d/0x110
[ 72.161687][ T4340] __kmalloc_track_caller+0x69/0x330
[ 72.166950][ T4340] ? kobject_set_name_vargs+0x5d/0x110
[ 72.172404][ T4340] kvasprintf+0xe3/0x1a0
[ 72.176645][ T4340] ? bust_spinlocks+0xd0/0xd0
[ 72.181298][ T4340] ? sysfs_create_dir_ns+0x167/0x290
[ 72.186567][ T4340] ? kvasprintf_const+0xdd/0x240
[ 72.191486][ T4340] kobject_set_name_vargs+0x5d/0x110
[ 72.196751][ T4340] kobject_add+0x11e/0x230
[ 72.201148][ T4340] ? kobject_init+0x1c0/0x1c0
[ 72.205805][ T4340] ? kobject_init+0x1c0/0x1c0
[ 72.210460][ T4340] ? dev_uevent_filter+0x3f/0xb0
[ 72.215378][ T4340] blk_mq_register_hctx+0x1d5/0x400
[ 72.220556][ T4340] __blk_mq_register_dev+0x206/0x640
[ 72.225818][ T4340] ? debugfs_create_dir+0x423/0x4c0
[ 72.230999][ T4340] blk_register_queue+0x1fc/0x3a0
[ 72.236009][ T4340] device_add_disk+0x60f/0xde0
[ 72.240757][ T4340] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 72.246024][ T4340] mtdblock_add_mtd+0x186/0x240
[ 72.250855][ T4340] blktrans_notify_add+0x95/0xe0
[ 72.255788][ T4340] add_mtd_device+0xd40/0x1260
[ 72.260538][ T4340] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 72.266325][ T4340] ? mtd_cls_resume+0x130/0x130
[ 72.271165][ T4340] mtd_add_partition+0x25d/0x420
[ 72.276091][ T4340] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 72.281185][ T4340] ? shrink_ecclayout+0xab0/0xab0
[ 72.286197][ T4340] ? __might_fault+0xb3/0x110
[ 72.290853][ T4340] ? _copy_from_user+0x111/0x170
[ 72.295768][ T4340] mtdchar_ioctl+0x14cb/0x1d70
[ 72.300512][ T4340] ? mtdchar_close+0x180/0x180
[ 72.305259][ T4340] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 72.311229][ T4340] ? verify_lock_unused+0x140/0x140
[ 72.316436][ T4340] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 72.322065][ T4340] ? rcu_lock_release+0x5/0x20
[ 72.326826][ T4340] ? __mutex_trylock_common+0x15c/0x260
[ 72.332355][ T4340] ? rcu_lock_release+0x20/0x20
[ 72.337193][ T4340] ? __mutex_lock_common+0x435/0x2400
[ 72.342552][ T4340] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 72.347905][ T4340] ? mutex_lock_io_nested+0x60/0x60
[ 72.353096][ T4340] mtdchar_unlocked_ioctl+0xad/0xd0
[ 72.358275][ T4340] ? mtdchar_write+0x5a0/0x5a0
[ 72.363026][ T4340] __se_sys_ioctl+0xfa/0x170
[ 72.367629][ T4340] do_syscall_64+0x4c/0xa0
[ 72.372041][ T4340] ? clear_bhb_loop+0x30/0x80
[ 72.376699][ T4340] ? clear_bhb_loop+0x30/0x80
[ 72.381352][ T4340] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 72.387223][ T4340] RIP: 0033:0x7fda6254a199
[ 72.391631][ T4340] 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
[ 72.411229][ T4340] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 72.419622][ T4340] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 72.427579][ T4340] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 72.435529][ T4340] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 72.443502][ T4340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 72.451452][ T4340] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 72.459429][ T4340]
[ 72.465857][ T4340] kobject: can not set name properly!
[ 72.493891][ T4343] 0x000000000000-0x000000010000 : ""
[ 72.502396][ T4343] ftl_cs: FTL header not found.
[ 72.511440][ T4343] FAULT_INJECTION: forcing a failure.
[ 72.511440][ T4343] name failslab, interval 1, probability 0, space 0, times 0
[ 72.526166][ T4343] CPU: 0 PID: 4343 Comm: syz.0.26 Not tainted syzkaller #0
[ 72.533378][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 72.543437][ T4343] Call Trace:
[ 72.546702][ T4343]
[ 72.549621][ T4343] dump_stack_lvl+0x188/0x250
[ 72.554284][ T4343] ? show_regs_print_info+0x20/0x20
[ 72.559468][ T4343] ? load_image+0x410/0x410
[ 72.564014][ T4343] ? __lock_acquire+0x7d40/0x7d40
[ 72.569028][ T4343] should_fail+0x383/0x4b0
[ 72.573451][ T4343] should_failslab+0x5/0x20
[ 72.577954][ T4343] slab_pre_alloc_hook+0x51/0xc0
[ 72.582870][ T4343] ? kobject_set_name_vargs+0x5d/0x110
[ 72.588309][ T4343] __kmalloc_track_caller+0x69/0x330
[ 72.593575][ T4343] ? kobject_set_name_vargs+0x5d/0x110
[ 72.599032][ T4343] kvasprintf+0xe3/0x1a0
[ 72.603264][ T4343] ? bust_spinlocks+0xd0/0xd0
[ 72.607918][ T4343] ? sysfs_create_dir_ns+0x167/0x290
[ 72.613194][ T4343] ? kvasprintf_const+0xdd/0x240
[ 72.618126][ T4343] kobject_set_name_vargs+0x5d/0x110
[ 72.623405][ T4343] kobject_add+0x11e/0x230
[ 72.627821][ T4343] ? kobject_init+0x1c0/0x1c0
[ 72.632496][ T4343] ? kobject_init+0x1c0/0x1c0
[ 72.637155][ T4343] ? dev_uevent_filter+0x3f/0xb0
[ 72.642104][ T4343] blk_mq_register_hctx+0x1d5/0x400
[ 72.647286][ T4343] __blk_mq_register_dev+0x206/0x640
[ 72.652553][ T4343] ? debugfs_create_dir+0x423/0x4c0
[ 72.657731][ T4343] blk_register_queue+0x1fc/0x3a0
[ 72.662739][ T4343] device_add_disk+0x60f/0xde0
[ 72.667486][ T4343] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 72.672755][ T4343] mtdblock_add_mtd+0x186/0x240
[ 72.677596][ T4343] blktrans_notify_add+0x95/0xe0
[ 72.682525][ T4343] add_mtd_device+0xd40/0x1260
[ 72.687281][ T4343] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 72.693075][ T4343] ? mtd_cls_resume+0x130/0x130
[ 72.697915][ T4343] mtd_add_partition+0x25d/0x420
[ 72.702930][ T4343] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 72.708030][ T4343] ? shrink_ecclayout+0xab0/0xab0
[ 72.713050][ T4343] ? __might_fault+0xb3/0x110
[ 72.717713][ T4343] ? _copy_from_user+0x111/0x170
[ 72.722639][ T4343] mtdchar_ioctl+0x14cb/0x1d70
[ 72.727387][ T4343] ? mtdchar_close+0x180/0x180
[ 72.732159][ T4343] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 72.738136][ T4343] ? verify_lock_unused+0x140/0x140
[ 72.743333][ T4343] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 72.748950][ T4343] ? rcu_lock_release+0x5/0x20
[ 72.753705][ T4343] ? __mutex_trylock_common+0x15c/0x260
[ 72.759231][ T4343] ? rcu_lock_release+0x20/0x20
[ 72.764066][ T4343] ? __mutex_lock_common+0x435/0x2400
[ 72.769447][ T4343] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 72.774811][ T4343] ? mutex_lock_io_nested+0x60/0x60
[ 72.779999][ T4343] mtdchar_unlocked_ioctl+0xad/0xd0
[ 72.785183][ T4343] ? mtdchar_write+0x5a0/0x5a0
[ 72.789951][ T4343] __se_sys_ioctl+0xfa/0x170
[ 72.794523][ T4343] do_syscall_64+0x4c/0xa0
[ 72.798924][ T4343] ? clear_bhb_loop+0x30/0x80
[ 72.803584][ T4343] ? clear_bhb_loop+0x30/0x80
[ 72.808239][ T4343] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 72.814113][ T4343] RIP: 0033:0x7fda6254a199
[ 72.818508][ T4343] 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
[ 72.838097][ T4343] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 72.846504][ T4343] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 72.854456][ T4343] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 72.862407][ T4343] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 72.870362][ T4343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 72.878314][ T4343] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 72.886298][ T4343]
[ 72.896275][ T4343] kobject: can not set name properly!
[ 72.922946][ T4346] 0x000000000000-0x000000010000 : ""
[ 72.931685][ T4346] ftl_cs: FTL header not found.
[ 72.939526][ T4346] FAULT_INJECTION: forcing a failure.
[ 72.939526][ T4346] name failslab, interval 1, probability 0, space 0, times 0
[ 72.953328][ T4346] CPU: 1 PID: 4346 Comm: syz.0.27 Not tainted syzkaller #0
[ 72.960554][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 72.970611][ T4346] Call Trace:
[ 72.973888][ T4346]
[ 72.976822][ T4346] dump_stack_lvl+0x188/0x250
[ 72.981529][ T4346] ? show_regs_print_info+0x20/0x20
[ 72.986715][ T4346] ? load_image+0x410/0x410
[ 72.991221][ T4346] ? __might_sleep+0xf0/0xf0
[ 72.995799][ T4346] ? __lock_acquire+0x7d40/0x7d40
[ 73.000813][ T4346] should_fail+0x383/0x4b0
[ 73.005215][ T4346] should_failslab+0x5/0x20
[ 73.009700][ T4346] slab_pre_alloc_hook+0x51/0xc0
[ 73.014617][ T4346] ? __kernfs_new_node+0xe3/0x6b0
[ 73.019621][ T4346] kmem_cache_alloc+0x3d/0x280
[ 73.024374][ T4346] __kernfs_new_node+0xe3/0x6b0
[ 73.029231][ T4346] ? __lock_acquire+0x7d40/0x7d40
[ 73.034247][ T4346] ? kernfs_new_node+0x250/0x250
[ 73.039209][ T4346] ? kernfs_activate+0x1eb/0x210
[ 73.044127][ T4346] kernfs_new_node+0x148/0x250
[ 73.048876][ T4346] __kernfs_create_file+0x47/0x2e0
[ 73.053980][ T4346] sysfs_add_file_mode_ns+0x2d2/0x390
[ 73.059353][ T4346] internal_create_group+0x492/0xd00
[ 73.064648][ T4346] ? kernfs_add_one+0x564/0x6c0
[ 73.069487][ T4346] ? sysfs_create_group+0x20/0x20
[ 73.074494][ T4346] ? sysfs_create_dir_ns+0x167/0x290
[ 73.079779][ T4346] ? sysfs_warn_dup+0xa0/0xa0
[ 73.084439][ T4346] ? sysfs_create_dir_ns+0x167/0x290
[ 73.089713][ T4346] sysfs_create_groups+0x55/0x120
[ 73.094721][ T4346] kobject_add_internal+0x6fb/0xcd0
[ 73.099907][ T4346] kobject_add+0x160/0x230
[ 73.104305][ T4346] ? kobject_init+0x1c0/0x1c0
[ 73.108963][ T4346] ? kobject_init+0x1c0/0x1c0
[ 73.113623][ T4346] ? dev_uevent_filter+0x3f/0xb0
[ 73.118559][ T4346] blk_mq_register_hctx+0xe4/0x400
[ 73.123655][ T4346] __blk_mq_register_dev+0x206/0x640
[ 73.128922][ T4346] ? debugfs_create_dir+0x423/0x4c0
[ 73.134109][ T4346] blk_register_queue+0x1fc/0x3a0
[ 73.139133][ T4346] device_add_disk+0x60f/0xde0
[ 73.143902][ T4346] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 73.149173][ T4346] mtdblock_add_mtd+0x186/0x240
[ 73.154015][ T4346] blktrans_notify_add+0x95/0xe0
[ 73.158950][ T4346] add_mtd_device+0xd40/0x1260
[ 73.163703][ T4346] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 73.169491][ T4346] ? mtd_cls_resume+0x130/0x130
[ 73.174350][ T4346] mtd_add_partition+0x25d/0x420
[ 73.179295][ T4346] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 73.184398][ T4346] ? shrink_ecclayout+0xab0/0xab0
[ 73.189430][ T4346] ? __might_fault+0xb3/0x110
[ 73.194100][ T4346] ? _copy_from_user+0x111/0x170
[ 73.199035][ T4346] mtdchar_ioctl+0x14cb/0x1d70
[ 73.203782][ T4346] ? mtdchar_close+0x180/0x180
[ 73.208531][ T4346] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 73.214841][ T4346] ? verify_lock_unused+0x140/0x140
[ 73.220038][ T4346] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 73.225659][ T4346] ? rcu_lock_release+0x5/0x20
[ 73.230418][ T4346] ? __mutex_trylock_common+0x15c/0x260
[ 73.235947][ T4346] ? rcu_lock_release+0x20/0x20
[ 73.240783][ T4346] ? __mutex_lock_common+0x435/0x2400
[ 73.246139][ T4346] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 73.251496][ T4346] ? mutex_lock_io_nested+0x60/0x60
[ 73.256698][ T4346] mtdchar_unlocked_ioctl+0xad/0xd0
[ 73.261888][ T4346] ? mtdchar_write+0x5a0/0x5a0
[ 73.266633][ T4346] __se_sys_ioctl+0xfa/0x170
[ 73.271207][ T4346] do_syscall_64+0x4c/0xa0
[ 73.275605][ T4346] ? clear_bhb_loop+0x30/0x80
[ 73.280262][ T4346] ? clear_bhb_loop+0x30/0x80
[ 73.284918][ T4346] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 73.290799][ T4346] RIP: 0033:0x7fda6254a199
[ 73.295211][ 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
[ 73.314804][ T4346] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 73.323211][ T4346] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 73.331165][ T4346] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 73.339117][ T4346] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 73.347067][ T4346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 73.355020][ T4346] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 73.362982][ T4346]
[ 73.367992][ T4346] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 73.398543][ T4349] 0x000000000000-0x000000010000 : ""
[ 73.408353][ T4349] ftl_cs: FTL header not found.
[ 73.416450][ T4349] FAULT_INJECTION: forcing a failure.
[ 73.416450][ T4349] name failslab, interval 1, probability 0, space 0, times 0
[ 73.429230][ T4349] CPU: 0 PID: 4349 Comm: syz.0.28 Not tainted syzkaller #0
[ 73.436436][ T4349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
2026/10/06 13:59:07 executed programs: 13
[ 73.446484][ T4349] Call Trace:
[ 73.449747][ T4349]
[ 73.452661][ T4349] dump_stack_lvl+0x188/0x250
[ 73.457323][ T4349] ? show_regs_print_info+0x20/0x20
[ 73.462500][ T4349] ? load_image+0x410/0x410
[ 73.466987][ T4349] ? __might_sleep+0xf0/0xf0
[ 73.471562][ T4349] ? __lock_acquire+0x7d40/0x7d40
[ 73.476569][ T4349] should_fail+0x383/0x4b0
[ 73.480971][ T4349] should_failslab+0x5/0x20
[ 73.485461][ T4349] slab_pre_alloc_hook+0x51/0xc0
[ 73.490399][ T4349] ? __kernfs_new_node+0xe3/0x6b0
[ 73.495409][ T4349] kmem_cache_alloc+0x3d/0x280
[ 73.500157][ T4349] __kernfs_new_node+0xe3/0x6b0
[ 73.504989][ T4349] ? kernfs_new_node+0x250/0x250
[ 73.509914][ T4349] kernfs_new_node+0x148/0x250
[ 73.514676][ T4349] __kernfs_create_file+0x47/0x2e0
[ 73.519779][ T4349] sysfs_add_file_mode_ns+0x2d2/0x390
[ 73.525133][ T4349] internal_create_group+0x492/0xd00
[ 73.530399][ T4349] ? kernfs_add_one+0x564/0x6c0
[ 73.535254][ T4349] ? sysfs_create_group+0x20/0x20
[ 73.540345][ T4349] ? sysfs_create_dir_ns+0x167/0x290
[ 73.545627][ T4349] ? sysfs_warn_dup+0xa0/0xa0
[ 73.550283][ T4349] ? sysfs_create_dir_ns+0x167/0x290
[ 73.555565][ T4349] sysfs_create_groups+0x55/0x120
[ 73.560574][ T4349] kobject_add_internal+0x6fb/0xcd0
[ 73.565757][ T4349] kobject_add+0x160/0x230
[ 73.570153][ T4349] ? kobject_init+0x1c0/0x1c0
[ 73.574807][ T4349] ? kobject_init+0x1c0/0x1c0
[ 73.579462][ T4349] ? dev_uevent_filter+0x3f/0xb0
[ 73.584394][ T4349] blk_mq_register_hctx+0xe4/0x400
[ 73.589502][ T4349] __blk_mq_register_dev+0x206/0x640
[ 73.594785][ T4349] ? debugfs_create_dir+0x423/0x4c0
[ 73.599965][ T4349] blk_register_queue+0x1fc/0x3a0
[ 73.604969][ T4349] device_add_disk+0x60f/0xde0
[ 73.609714][ T4349] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 73.614981][ T4349] mtdblock_add_mtd+0x186/0x240
[ 73.619809][ T4349] blktrans_notify_add+0x95/0xe0
[ 73.624728][ T4349] add_mtd_device+0xd40/0x1260
[ 73.629477][ T4349] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 73.635266][ T4349] ? mtd_cls_resume+0x130/0x130
[ 73.640107][ T4349] mtd_add_partition+0x25d/0x420
[ 73.645030][ T4349] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 73.650121][ T4349] ? shrink_ecclayout+0xab0/0xab0
[ 73.655131][ T4349] ? __might_fault+0xb3/0x110
[ 73.659790][ T4349] ? _copy_from_user+0x111/0x170
[ 73.664713][ T4349] mtdchar_ioctl+0x14cb/0x1d70
[ 73.669457][ T4349] ? mtdchar_close+0x180/0x180
[ 73.674200][ T4349] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 73.680160][ T4349] ? verify_lock_unused+0x140/0x140
[ 73.685344][ T4349] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 73.690976][ T4349] ? rcu_lock_release+0x5/0x20
[ 73.695730][ T4349] ? __mutex_trylock_common+0x15c/0x260
[ 73.701256][ T4349] ? rcu_lock_release+0x20/0x20
[ 73.706099][ T4349] ? __mutex_lock_common+0x435/0x2400
[ 73.711475][ T4349] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 73.716830][ T4349] ? mutex_lock_io_nested+0x60/0x60
[ 73.722017][ T4349] mtdchar_unlocked_ioctl+0xad/0xd0
[ 73.727214][ T4349] ? mtdchar_write+0x5a0/0x5a0
[ 73.731958][ T4349] __se_sys_ioctl+0xfa/0x170
[ 73.736537][ T4349] do_syscall_64+0x4c/0xa0
[ 73.740950][ T4349] ? clear_bhb_loop+0x30/0x80
[ 73.745629][ T4349] ? clear_bhb_loop+0x30/0x80
[ 73.750286][ T4349] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 73.756174][ T4349] RIP: 0033:0x7fda6254a199
[ 73.760569][ T4349] 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
[ 73.780157][ T4349] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 73.788571][ T4349] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 73.796524][ T4349] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 73.804490][ T4349] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 73.812439][ T4349] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 73.820403][ T4349] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 73.828365][ T4349]
[ 73.834297][ T4349] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 73.862929][ T4352] 0x000000000000-0x000000010000 : ""
[ 73.873126][ T4352] ftl_cs: FTL header not found.
[ 73.881072][ T4352] FAULT_INJECTION: forcing a failure.
[ 73.881072][ T4352] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[ 73.897019][ T4352] CPU: 0 PID: 4352 Comm: syz.0.29 Not tainted syzkaller #0
[ 73.904228][ T4352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 73.914279][ T4352] Call Trace:
[ 73.917540][ T4352]
[ 73.920453][ T4352] dump_stack_lvl+0x188/0x250
[ 73.925114][ T4352] ? show_regs_print_info+0x20/0x20
[ 73.930291][ T4352] ? load_image+0x410/0x410
[ 73.934774][ T4352] ? __lock_acquire+0x7d40/0x7d40
[ 73.939784][ T4352] should_fail+0x383/0x4b0
[ 73.944188][ T4352] prepare_alloc_pages+0x1e3/0x5b0
[ 73.949291][ T4352] __alloc_pages+0x11b/0x480
[ 73.953882][ T4352] ? zone_statistics+0x170/0x170
[ 73.958814][ T4352] ? mark_lock+0x94/0x320
[ 73.963239][ T4352] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 73.969218][ T4352] ? __lock_acquire+0x7d40/0x7d40
[ 73.974225][ T4352] ? alloc_pages+0x452/0x560
[ 73.978799][ T4352] new_slab+0xc0/0x4b0
[ 73.982847][ T4352] ___slab_alloc+0x807/0xdd0
[ 73.987447][ T4352] ? __kernfs_new_node+0xe3/0x6b0
[ 73.992454][ T4352] ? __kernfs_new_node+0xe3/0x6b0
[ 73.997462][ T4352] kmem_cache_alloc+0xf0/0x280
[ 74.002206][ T4352] __kernfs_new_node+0xe3/0x6b0
[ 74.007037][ T4352] ? __lock_acquire+0x7d40/0x7d40
[ 74.012045][ T4352] ? kernfs_new_node+0x250/0x250
[ 74.016984][ T4352] ? kernfs_activate+0x1eb/0x210
[ 74.021919][ T4352] kernfs_new_node+0x148/0x250
[ 74.026664][ T4352] __kernfs_create_file+0x47/0x2e0
[ 74.031753][ T4352] sysfs_add_file_mode_ns+0x2d2/0x390
[ 74.037107][ T4352] internal_create_group+0x492/0xd00
[ 74.042369][ T4352] ? kernfs_add_one+0x564/0x6c0
[ 74.047204][ T4352] ? sysfs_create_group+0x20/0x20
[ 74.052206][ T4352] ? sysfs_create_dir_ns+0x167/0x290
[ 74.057471][ T4352] ? sysfs_warn_dup+0xa0/0xa0
[ 74.062140][ T4352] ? sysfs_create_dir_ns+0x167/0x290
[ 74.067417][ T4352] sysfs_create_groups+0x55/0x120
[ 74.072420][ T4352] kobject_add_internal+0x6fb/0xcd0
[ 74.077619][ T4352] kobject_add+0x160/0x230
[ 74.082018][ T4352] ? kobject_init+0x1c0/0x1c0
[ 74.086674][ T4352] ? kobject_init+0x1c0/0x1c0
[ 74.091341][ T4352] ? dev_uevent_filter+0x3f/0xb0
[ 74.096262][ T4352] blk_mq_register_hctx+0xe4/0x400
[ 74.101368][ T4352] __blk_mq_register_dev+0x206/0x640
[ 74.106648][ T4352] ? debugfs_create_dir+0x423/0x4c0
[ 74.111828][ T4352] blk_register_queue+0x1fc/0x3a0
[ 74.116833][ T4352] device_add_disk+0x60f/0xde0
[ 74.121579][ T4352] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 74.126848][ T4352] mtdblock_add_mtd+0x186/0x240
[ 74.131679][ T4352] blktrans_notify_add+0x95/0xe0
[ 74.136594][ T4352] add_mtd_device+0xd40/0x1260
[ 74.141342][ T4352] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 74.147134][ T4352] ? mtd_cls_resume+0x130/0x130
[ 74.151986][ T4352] mtd_add_partition+0x25d/0x420
[ 74.156910][ T4352] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 74.162007][ T4352] ? shrink_ecclayout+0xab0/0xab0
[ 74.167025][ T4352] ? __might_fault+0xb3/0x110
[ 74.171698][ T4352] ? _copy_from_user+0x111/0x170
[ 74.176634][ T4352] mtdchar_ioctl+0x14cb/0x1d70
[ 74.181379][ T4352] ? mtdchar_close+0x180/0x180
[ 74.186124][ T4352] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 74.192085][ T4352] ? verify_lock_unused+0x140/0x140
[ 74.197268][ T4352] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 74.202896][ T4352] ? rcu_lock_release+0x5/0x20
[ 74.207668][ T4352] ? __mutex_trylock_common+0x15c/0x260
[ 74.213214][ T4352] ? rcu_lock_release+0x20/0x20
[ 74.218050][ T4352] ? __mutex_lock_common+0x435/0x2400
[ 74.223413][ T4352] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 74.228768][ T4352] ? mutex_lock_io_nested+0x60/0x60
[ 74.233953][ T4352] mtdchar_unlocked_ioctl+0xad/0xd0
[ 74.239126][ T4352] ? mtdchar_write+0x5a0/0x5a0
[ 74.243866][ T4352] __se_sys_ioctl+0xfa/0x170
[ 74.248433][ T4352] do_syscall_64+0x4c/0xa0
[ 74.252824][ T4352] ? clear_bhb_loop+0x30/0x80
[ 74.257476][ T4352] ? clear_bhb_loop+0x30/0x80
[ 74.262135][ T4352] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 74.268005][ T4352] RIP: 0033:0x7fda6254a199
[ 74.272398][ T4352] 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
[ 74.291979][ T4352] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 74.300373][ T4352] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 74.308343][ T4352] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 74.316310][ T4352] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 74.324258][ T4352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 74.332213][ T4352] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 74.340174][ T4352]
[ 74.372801][ T4355] 0x000000000000-0x000000010000 : ""
[ 74.381220][ T4355] ftl_cs: FTL header not found.
[ 74.391009][ T4355] FAULT_INJECTION: forcing a failure.
[ 74.391009][ T4355] name failslab, interval 1, probability 0, space 0, times 0
[ 74.406078][ T4355] CPU: 0 PID: 4355 Comm: syz.0.30 Not tainted syzkaller #0
[ 74.413288][ T4355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 74.423332][ T4355] Call Trace:
[ 74.426596][ T4355]
[ 74.429521][ T4355] dump_stack_lvl+0x188/0x250
[ 74.434182][ T4355] ? show_regs_print_info+0x20/0x20
[ 74.439357][ T4355] ? load_image+0x410/0x410
[ 74.443840][ T4355] ? __might_sleep+0xf0/0xf0
[ 74.448407][ T4355] ? __lock_acquire+0x7d40/0x7d40
[ 74.453415][ T4355] should_fail+0x383/0x4b0
[ 74.457812][ T4355] should_failslab+0x5/0x20
[ 74.462305][ T4355] slab_pre_alloc_hook+0x51/0xc0
[ 74.467235][ T4355] ? __kernfs_new_node+0xe3/0x6b0
[ 74.472280][ T4355] kmem_cache_alloc+0x3d/0x280
[ 74.477024][ T4355] __kernfs_new_node+0xe3/0x6b0
[ 74.481858][ T4355] ? __lock_acquire+0x7d40/0x7d40
[ 74.486867][ T4355] ? kernfs_new_node+0x250/0x250
[ 74.491793][ T4355] ? kernfs_activate+0x1eb/0x210
[ 74.496710][ T4355] kernfs_new_node+0x148/0x250
[ 74.501470][ T4355] __kernfs_create_file+0x47/0x2e0
[ 74.506561][ T4355] sysfs_add_file_mode_ns+0x2d2/0x390
[ 74.511919][ T4355] internal_create_group+0x492/0xd00
[ 74.517183][ T4355] ? kernfs_add_one+0x564/0x6c0
[ 74.522018][ T4355] ? sysfs_create_group+0x20/0x20
[ 74.527035][ T4355] ? sysfs_create_dir_ns+0x167/0x290
[ 74.532303][ T4355] ? sysfs_warn_dup+0xa0/0xa0
[ 74.536956][ T4355] ? sysfs_create_dir_ns+0x167/0x290
[ 74.542221][ T4355] sysfs_create_groups+0x55/0x120
[ 74.547227][ T4355] kobject_add_internal+0x6fb/0xcd0
[ 74.552429][ T4355] kobject_add+0x160/0x230
[ 74.556827][ T4355] ? kobject_init+0x1c0/0x1c0
[ 74.561486][ T4355] ? kobject_init+0x1c0/0x1c0
[ 74.566138][ T4355] ? dev_uevent_filter+0x3f/0xb0
[ 74.571059][ T4355] blk_mq_register_hctx+0xe4/0x400
[ 74.576153][ T4355] __blk_mq_register_dev+0x206/0x640
[ 74.581419][ T4355] ? debugfs_create_dir+0x423/0x4c0
[ 74.586601][ T4355] blk_register_queue+0x1fc/0x3a0
[ 74.591613][ T4355] device_add_disk+0x60f/0xde0
[ 74.596364][ T4355] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 74.601647][ T4355] mtdblock_add_mtd+0x186/0x240
[ 74.606479][ T4355] blktrans_notify_add+0x95/0xe0
[ 74.611400][ T4355] add_mtd_device+0xd40/0x1260
[ 74.616150][ T4355] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 74.621941][ T4355] ? mtd_cls_resume+0x130/0x130
[ 74.626797][ T4355] mtd_add_partition+0x25d/0x420
[ 74.631718][ T4355] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 74.636808][ T4355] ? shrink_ecclayout+0xab0/0xab0
[ 74.641816][ T4355] ? __might_fault+0xb3/0x110
[ 74.646473][ T4355] ? _copy_from_user+0x111/0x170
[ 74.651389][ T4355] mtdchar_ioctl+0x14cb/0x1d70
[ 74.656140][ T4355] ? mtdchar_close+0x180/0x180
[ 74.660896][ T4355] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 74.666858][ T4355] ? verify_lock_unused+0x140/0x140
[ 74.672038][ T4355] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 74.677651][ T4355] ? rcu_lock_release+0x5/0x20
[ 74.682403][ T4355] ? __mutex_trylock_common+0x15c/0x260
[ 74.687943][ T4355] ? rcu_lock_release+0x20/0x20
[ 74.692780][ T4355] ? __mutex_lock_common+0x435/0x2400
[ 74.698137][ T4355] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 74.703488][ T4355] ? mutex_lock_io_nested+0x60/0x60
[ 74.708759][ T4355] mtdchar_unlocked_ioctl+0xad/0xd0
[ 74.713936][ T4355] ? mtdchar_write+0x5a0/0x5a0
[ 74.718679][ T4355] __se_sys_ioctl+0xfa/0x170
[ 74.723251][ T4355] do_syscall_64+0x4c/0xa0
[ 74.727647][ T4355] ? clear_bhb_loop+0x30/0x80
[ 74.732300][ T4355] ? clear_bhb_loop+0x30/0x80
[ 74.736957][ T4355] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 74.742834][ T4355] RIP: 0033:0x7fda6254a199
[ 74.747236][ T4355] 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
[ 74.766822][ T4355] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 74.775235][ T4355] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 74.783192][ T4355] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 74.791153][ T4355] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 74.799125][ T4355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 74.807074][ T4355] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 74.815032][ T4355]
[ 74.819523][ T4355] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 74.859121][ T4358] 0x000000000000-0x000000010000 : ""
[ 74.867631][ T4358] ftl_cs: FTL header not found.
[ 74.879073][ T4358] FAULT_INJECTION: forcing a failure.
[ 74.879073][ T4358] name failslab, interval 1, probability 0, space 0, times 0
[ 74.892138][ T4358] CPU: 0 PID: 4358 Comm: syz.0.31 Not tainted syzkaller #0
[ 74.899354][ T4358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 74.909411][ T4358] Call Trace:
[ 74.912693][ T4358]
[ 74.915626][ T4358] dump_stack_lvl+0x188/0x250
[ 74.920318][ T4358] ? show_regs_print_info+0x20/0x20
[ 74.925526][ T4358] ? load_image+0x410/0x410
[ 74.930028][ T4358] ? __lock_acquire+0x7d40/0x7d40
[ 74.935066][ T4358] should_fail+0x383/0x4b0
[ 74.939495][ T4358] should_failslab+0x5/0x20
[ 74.944001][ T4358] slab_pre_alloc_hook+0x51/0xc0
[ 74.948941][ T4358] ? kobject_set_name_vargs+0x5d/0x110
[ 74.954405][ T4358] __kmalloc_track_caller+0x69/0x330
[ 74.959697][ T4358] ? kobject_set_name_vargs+0x5d/0x110
[ 74.965175][ T4358] kvasprintf+0xe3/0x1a0
[ 74.969406][ T4358] ? bust_spinlocks+0xd0/0xd0
[ 74.974083][ T4358] ? sysfs_create_dir_ns+0x167/0x290
[ 74.979381][ T4358] ? kvasprintf_const+0xdd/0x240
[ 74.984306][ T4358] kobject_set_name_vargs+0x5d/0x110
[ 74.989597][ T4358] kobject_add+0x11e/0x230
[ 74.994020][ T4358] ? kobject_init+0x1c0/0x1c0
[ 74.998708][ T4358] ? kobject_init+0x1c0/0x1c0
[ 75.003386][ T4358] ? dev_uevent_filter+0x3f/0xb0
[ 75.008341][ T4358] blk_mq_register_hctx+0x1d5/0x400
[ 75.013536][ T4358] __blk_mq_register_dev+0x206/0x640
[ 75.018836][ T4358] ? debugfs_create_dir+0x423/0x4c0
[ 75.024045][ T4358] blk_register_queue+0x1fc/0x3a0
[ 75.029082][ T4358] device_add_disk+0x60f/0xde0
[ 75.033857][ T4358] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 75.039151][ T4358] mtdblock_add_mtd+0x186/0x240
[ 75.044007][ T4358] blktrans_notify_add+0x95/0xe0
[ 75.048949][ T4358] add_mtd_device+0xd40/0x1260
[ 75.053707][ T4358] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 75.059502][ T4358] ? mtd_cls_resume+0x130/0x130
[ 75.064344][ T4358] mtd_add_partition+0x25d/0x420
[ 75.069264][ T4358] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 75.074354][ T4358] ? shrink_ecclayout+0xab0/0xab0
[ 75.079367][ T4358] ? __might_fault+0xb3/0x110
[ 75.084025][ T4358] ? _copy_from_user+0x111/0x170
[ 75.088941][ T4358] mtdchar_ioctl+0x14cb/0x1d70
[ 75.093697][ T4358] ? mtdchar_close+0x180/0x180
[ 75.098480][ T4358] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 75.104455][ T4358] ? verify_lock_unused+0x140/0x140
[ 75.109668][ T4358] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 75.115311][ T4358] ? rcu_lock_release+0x5/0x20
[ 75.120106][ T4358] ? __mutex_trylock_common+0x15c/0x260
[ 75.125651][ T4358] ? rcu_lock_release+0x20/0x20
[ 75.130505][ T4358] ? __mutex_lock_common+0x435/0x2400
[ 75.135893][ T4358] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 75.141271][ T4358] ? mutex_lock_io_nested+0x60/0x60
[ 75.146494][ T4358] mtdchar_unlocked_ioctl+0xad/0xd0
[ 75.151698][ T4358] ? mtdchar_write+0x5a0/0x5a0
[ 75.156475][ T4358] __se_sys_ioctl+0xfa/0x170
[ 75.161078][ T4358] do_syscall_64+0x4c/0xa0
[ 75.165494][ T4358] ? clear_bhb_loop+0x30/0x80
[ 75.170157][ T4358] ? clear_bhb_loop+0x30/0x80
[ 75.174818][ T4358] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 75.180690][ T4358] RIP: 0033:0x7fda6254a199
[ 75.185091][ T4358] 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
[ 75.204683][ T4358] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 75.213103][ T4358] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 75.221076][ T4358] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 75.229048][ T4358] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 75.237019][ T4358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 75.244989][ T4358] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 75.252952][ T4358]
[ 75.257688][ T4358] kobject: can not set name properly!
[ 75.306895][ T4361] 0x000000000000-0x000000010000 : ""
[ 75.318243][ T4361] ftl_cs: FTL header not found.
[ 75.331066][ T4361] FAULT_INJECTION: forcing a failure.
[ 75.331066][ T4361] name failslab, interval 1, probability 0, space 0, times 0
[ 75.345618][ T4361] CPU: 1 PID: 4361 Comm: syz.0.32 Not tainted syzkaller #0
[ 75.352830][ T4361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 75.362892][ T4361] Call Trace:
[ 75.366156][ T4361]
[ 75.369072][ T4361] dump_stack_lvl+0x188/0x250
[ 75.373738][ T4361] ? show_regs_print_info+0x20/0x20
[ 75.378917][ T4361] ? load_image+0x410/0x410
[ 75.383407][ T4361] ? __might_sleep+0xf0/0xf0
[ 75.387990][ T4361] ? __lock_acquire+0x7d40/0x7d40
[ 75.392998][ T4361] should_fail+0x383/0x4b0
[ 75.397410][ T4361] should_failslab+0x5/0x20
[ 75.401909][ T4361] slab_pre_alloc_hook+0x51/0xc0
[ 75.406832][ T4361] ? __kernfs_new_node+0xe3/0x6b0
[ 75.411838][ T4361] kmem_cache_alloc+0x3d/0x280
[ 75.416591][ T4361] __kernfs_new_node+0xe3/0x6b0
[ 75.421457][ T4361] ? kernfs_new_node+0x250/0x250
[ 75.426382][ T4361] kernfs_new_node+0x148/0x250
[ 75.431139][ T4361] __kernfs_create_file+0x47/0x2e0
[ 75.436235][ T4361] sysfs_add_file_mode_ns+0x2d2/0x390
[ 75.441590][ T4361] internal_create_group+0x492/0xd00
[ 75.446855][ T4361] ? kernfs_add_one+0x564/0x6c0
[ 75.451697][ T4361] ? sysfs_create_group+0x20/0x20
[ 75.456701][ T4361] ? sysfs_create_dir_ns+0x167/0x290
[ 75.461966][ T4361] ? sysfs_warn_dup+0xa0/0xa0
[ 75.466640][ T4361] ? sysfs_create_dir_ns+0x167/0x290
[ 75.471940][ T4361] sysfs_create_groups+0x55/0x120
[ 75.476963][ T4361] kobject_add_internal+0x6fb/0xcd0
[ 75.482149][ T4361] kobject_add+0x160/0x230
[ 75.486547][ T4361] ? kobject_init+0x1c0/0x1c0
[ 75.491214][ T4361] ? kobject_init+0x1c0/0x1c0
[ 75.495874][ T4361] ? dev_uevent_filter+0x3f/0xb0
[ 75.500797][ T4361] blk_mq_register_hctx+0xe4/0x400
[ 75.505908][ T4361] __blk_mq_register_dev+0x206/0x640
[ 75.511187][ T4361] ? debugfs_create_dir+0x423/0x4c0
[ 75.516391][ T4361] blk_register_queue+0x1fc/0x3a0
[ 75.521397][ T4361] device_add_disk+0x60f/0xde0
[ 75.526144][ T4361] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 75.531413][ T4361] mtdblock_add_mtd+0x186/0x240
[ 75.536251][ T4361] blktrans_notify_add+0x95/0xe0
[ 75.541174][ T4361] add_mtd_device+0xd40/0x1260
[ 75.545925][ T4361] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 75.551716][ T4361] ? mtd_cls_resume+0x130/0x130
[ 75.556568][ T4361] mtd_add_partition+0x25d/0x420
[ 75.561504][ T4361] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 75.566595][ T4361] ? shrink_ecclayout+0xab0/0xab0
[ 75.571611][ T4361] ? __might_fault+0xb3/0x110
[ 75.576267][ T4361] ? _copy_from_user+0x111/0x170
[ 75.581185][ T4361] mtdchar_ioctl+0x14cb/0x1d70
[ 75.585932][ T4361] ? mtdchar_close+0x180/0x180
[ 75.590681][ T4361] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 75.596647][ T4361] ? verify_lock_unused+0x140/0x140
[ 75.601837][ T4361] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 75.607450][ T4361] ? rcu_lock_release+0x5/0x20
[ 75.612219][ T4361] ? __mutex_trylock_common+0x15c/0x260
[ 75.617749][ T4361] ? rcu_lock_release+0x20/0x20
[ 75.622604][ T4361] ? __mutex_lock_common+0x435/0x2400
[ 75.627961][ T4361] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 75.633319][ T4361] ? mutex_lock_io_nested+0x60/0x60
[ 75.638505][ T4361] mtdchar_unlocked_ioctl+0xad/0xd0
[ 75.643689][ T4361] ? mtdchar_write+0x5a0/0x5a0
[ 75.648447][ T4361] __se_sys_ioctl+0xfa/0x170
[ 75.653021][ T4361] do_syscall_64+0x4c/0xa0
[ 75.657418][ T4361] ? clear_bhb_loop+0x30/0x80
[ 75.662081][ T4361] ? clear_bhb_loop+0x30/0x80
[ 75.666759][ T4361] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 75.672634][ T4361] RIP: 0033:0x7fda6254a199
[ 75.677028][ T4361] 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
[ 75.696611][ T4361] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 75.705007][ T4361] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 75.712960][ T4361] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 75.720931][ T4361] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 75.728882][ T4361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 75.736832][ T4361] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 75.744803][ T4361]
[ 75.750030][ T4361] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 75.795805][ T4364] 0x000000000000-0x000000010000 : ""
[ 75.804434][ T4364] ftl_cs: FTL header not found.
[ 75.812568][ T4364] FAULT_INJECTION: forcing a failure.
[ 75.812568][ T4364] name failslab, interval 1, probability 0, space 0, times 0
[ 75.827765][ T4364] CPU: 1 PID: 4364 Comm: syz.0.33 Not tainted syzkaller #0
[ 75.834986][ T4364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 75.845057][ T4364] Call Trace:
[ 75.848324][ T4364]
[ 75.851234][ T4364] dump_stack_lvl+0x188/0x250
[ 75.855903][ T4364] ? show_regs_print_info+0x20/0x20
[ 75.861084][ T4364] ? load_image+0x410/0x410
[ 75.865566][ T4364] ? __might_sleep+0xf0/0xf0
[ 75.870137][ T4364] ? __lock_acquire+0x7d40/0x7d40
[ 75.875143][ T4364] should_fail+0x383/0x4b0
[ 75.879560][ T4364] should_failslab+0x5/0x20
[ 75.884041][ T4364] slab_pre_alloc_hook+0x51/0xc0
[ 75.888960][ T4364] ? __kernfs_new_node+0xe3/0x6b0
[ 75.894053][ T4364] kmem_cache_alloc+0x3d/0x280
[ 75.898823][ T4364] __kernfs_new_node+0xe3/0x6b0
[ 75.903655][ T4364] ? kernfs_new_node+0x250/0x250
[ 75.908581][ T4364] kernfs_new_node+0x148/0x250
[ 75.913326][ T4364] __kernfs_create_file+0x47/0x2e0
[ 75.918421][ T4364] sysfs_add_file_mode_ns+0x2d2/0x390
[ 75.923787][ T4364] internal_create_group+0x492/0xd00
[ 75.929055][ T4364] ? kernfs_add_one+0x564/0x6c0
[ 75.933914][ T4364] ? sysfs_create_group+0x20/0x20
[ 75.938928][ T4364] ? sysfs_create_dir_ns+0x167/0x290
[ 75.944197][ T4364] ? sysfs_warn_dup+0xa0/0xa0
[ 75.948877][ T4364] ? sysfs_create_dir_ns+0x167/0x290
[ 75.954153][ T4364] sysfs_create_groups+0x55/0x120
[ 75.959166][ T4364] kobject_add_internal+0x6fb/0xcd0
[ 75.964366][ T4364] kobject_add+0x160/0x230
[ 75.968764][ T4364] ? kobject_init+0x1c0/0x1c0
[ 75.973427][ T4364] ? kobject_init+0x1c0/0x1c0
[ 75.978098][ T4364] ? dev_uevent_filter+0x3f/0xb0
[ 75.983024][ T4364] blk_mq_register_hctx+0xe4/0x400
[ 75.988143][ T4364] __blk_mq_register_dev+0x206/0x640
[ 75.993428][ T4364] ? debugfs_create_dir+0x423/0x4c0
[ 75.998634][ T4364] blk_register_queue+0x1fc/0x3a0
[ 76.003653][ T4364] device_add_disk+0x60f/0xde0
[ 76.008405][ T4364] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 76.013675][ T4364] mtdblock_add_mtd+0x186/0x240
[ 76.018531][ T4364] blktrans_notify_add+0x95/0xe0
[ 76.023456][ T4364] add_mtd_device+0xd40/0x1260
[ 76.028239][ T4364] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 76.034031][ T4364] ? mtd_cls_resume+0x130/0x130
[ 76.038875][ T4364] mtd_add_partition+0x25d/0x420
[ 76.043800][ T4364] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 76.048897][ T4364] ? shrink_ecclayout+0xab0/0xab0
[ 76.053910][ T4364] ? __might_fault+0xb3/0x110
[ 76.058571][ T4364] ? _copy_from_user+0x111/0x170
[ 76.063496][ T4364] mtdchar_ioctl+0x14cb/0x1d70
[ 76.068243][ T4364] ? mtdchar_close+0x180/0x180
[ 76.072992][ T4364] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 76.078953][ T4364] ? verify_lock_unused+0x140/0x140
[ 76.084139][ T4364] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 76.089751][ T4364] ? rcu_lock_release+0x5/0x20
[ 76.094508][ T4364] ? __mutex_trylock_common+0x15c/0x260
[ 76.100055][ T4364] ? rcu_lock_release+0x20/0x20
[ 76.104889][ T4364] ? __mutex_lock_common+0x435/0x2400
[ 76.110246][ T4364] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 76.115597][ T4364] ? mutex_lock_io_nested+0x60/0x60
[ 76.120782][ T4364] mtdchar_unlocked_ioctl+0xad/0xd0
[ 76.125976][ T4364] ? mtdchar_write+0x5a0/0x5a0
[ 76.130718][ T4364] __se_sys_ioctl+0xfa/0x170
[ 76.135289][ T4364] do_syscall_64+0x4c/0xa0
[ 76.139684][ T4364] ? clear_bhb_loop+0x30/0x80
[ 76.144340][ T4364] ? clear_bhb_loop+0x30/0x80
[ 76.148998][ T4364] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 76.154893][ T4364] RIP: 0033:0x7fda6254a199
[ 76.159290][ T4364] 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
[ 76.178875][ T4364] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 76.187283][ T4364] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 76.195235][ T4364] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 76.203188][ T4364] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 76.211138][ T4364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 76.219112][ T4364] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 76.227071][ T4364]
[ 76.232028][ T4364] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 76.259385][ T4367] 0x000000000000-0x000000010000 : ""
[ 76.270909][ T4367] ftl_cs: FTL header not found.
[ 76.278506][ T13] cfg80211: failed to load regulatory.db
[ 76.296150][ T4367] FAULT_INJECTION: forcing a failure.
[ 76.296150][ T4367] name failslab, interval 1, probability 0, space 0, times 0
[ 76.308911][ T4367] CPU: 1 PID: 4367 Comm: syz.0.34 Not tainted syzkaller #0
[ 76.316117][ T4367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 76.326170][ T4367] Call Trace:
[ 76.329446][ T4367]
[ 76.332372][ T4367] dump_stack_lvl+0x188/0x250
[ 76.337054][ T4367] ? show_regs_print_info+0x20/0x20
[ 76.342267][ T4367] ? load_image+0x410/0x410
[ 76.346776][ T4367] ? __might_sleep+0xf0/0xf0
[ 76.351365][ T4367] ? __lock_acquire+0x7d40/0x7d40
[ 76.356399][ T4367] should_fail+0x383/0x4b0
[ 76.360826][ T4367] should_failslab+0x5/0x20
[ 76.365330][ T4367] slab_pre_alloc_hook+0x51/0xc0
[ 76.370268][ T4367] ? __kernfs_new_node+0xe3/0x6b0
[ 76.375297][ T4367] kmem_cache_alloc+0x3d/0x280
[ 76.380071][ T4367] __kernfs_new_node+0xe3/0x6b0
[ 76.384926][ T4367] ? __lock_acquire+0x7d40/0x7d40
[ 76.389954][ T4367] ? kernfs_new_node+0x250/0x250
[ 76.394908][ T4367] ? kernfs_activate+0x1eb/0x210
[ 76.399848][ T4367] kernfs_new_node+0x148/0x250
[ 76.404618][ T4367] __kernfs_create_file+0x47/0x2e0
[ 76.409732][ T4367] sysfs_add_file_mode_ns+0x2d2/0x390
[ 76.415113][ T4367] internal_create_group+0x492/0xd00
[ 76.420394][ T4367] ? kernfs_add_one+0x564/0x6c0
[ 76.425256][ T4367] ? sysfs_create_group+0x20/0x20
[ 76.430280][ T4367] ? sysfs_create_dir_ns+0x167/0x290
[ 76.435566][ T4367] ? sysfs_warn_dup+0xa0/0xa0
[ 76.440239][ T4367] ? sysfs_create_dir_ns+0x167/0x290
[ 76.445528][ T4367] sysfs_create_groups+0x55/0x120
[ 76.450560][ T4367] kobject_add_internal+0x6fb/0xcd0
[ 76.455766][ T4367] kobject_add+0x160/0x230
[ 76.460185][ T4367] ? kobject_init+0x1c0/0x1c0
[ 76.464861][ T4367] ? kobject_init+0x1c0/0x1c0
[ 76.469541][ T4367] ? dev_uevent_filter+0x3f/0xb0
[ 76.474486][ T4367] blk_mq_register_hctx+0xe4/0x400
[ 76.479608][ T4367] __blk_mq_register_dev+0x206/0x640
[ 76.484893][ T4367] ? debugfs_create_dir+0x423/0x4c0
[ 76.490095][ T4367] blk_register_queue+0x1fc/0x3a0
[ 76.495124][ T4367] device_add_disk+0x60f/0xde0
[ 76.499896][ T4367] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 76.505192][ T4367] mtdblock_add_mtd+0x186/0x240
[ 76.510056][ T4367] blktrans_notify_add+0x95/0xe0
[ 76.515004][ T4367] add_mtd_device+0xd40/0x1260
[ 76.519788][ T4367] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 76.525607][ T4367] ? mtd_cls_resume+0x130/0x130
[ 76.530484][ T4367] mtd_add_partition+0x25d/0x420
[ 76.535444][ T4367] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 76.540571][ T4367] ? shrink_ecclayout+0xab0/0xab0
[ 76.545612][ T4367] ? __might_fault+0xb3/0x110
[ 76.550294][ T4367] ? _copy_from_user+0x111/0x170
[ 76.555236][ T4367] mtdchar_ioctl+0x14cb/0x1d70
[ 76.560011][ T4367] ? mtdchar_close+0x180/0x180
[ 76.564780][ T4367] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 76.570768][ T4367] ? verify_lock_unused+0x140/0x140
[ 76.575974][ T4367] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 76.581613][ T4367] ? rcu_lock_release+0x5/0x20
[ 76.586399][ T4367] ? __mutex_trylock_common+0x15c/0x260
[ 76.591946][ T4367] ? rcu_lock_release+0x20/0x20
[ 76.596805][ T4367] ? __mutex_lock_common+0x435/0x2400
[ 76.602187][ T4367] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 76.607565][ T4367] ? mutex_lock_io_nested+0x60/0x60
[ 76.612782][ T4367] mtdchar_unlocked_ioctl+0xad/0xd0
[ 76.617979][ T4367] ? mtdchar_write+0x5a0/0x5a0
[ 76.622740][ T4367] __se_sys_ioctl+0xfa/0x170
[ 76.627330][ T4367] do_syscall_64+0x4c/0xa0
[ 76.631748][ T4367] ? clear_bhb_loop+0x30/0x80
[ 76.636428][ T4367] ? clear_bhb_loop+0x30/0x80
[ 76.641106][ T4367] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 76.646999][ T4367] RIP: 0033:0x7fda6254a199
[ 76.651412][ T4367] 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
[ 76.671019][ T4367] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 76.679440][ T4367] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 76.687418][ T4367] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 76.695392][ T4367] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 76.703364][ T4367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 76.711330][ T4367] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 76.719320][ T4367]
[ 76.726953][ T4367] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 76.775321][ T4370] 0x000000000000-0x000000010000 : ""
[ 76.795642][ T4370] ftl_cs: FTL header not found.
[ 76.803045][ T4370] FAULT_INJECTION: forcing a failure.
[ 76.803045][ T4370] name failslab, interval 1, probability 0, space 0, times 0
[ 76.818216][ T4370] CPU: 0 PID: 4370 Comm: syz.0.35 Not tainted syzkaller #0
[ 76.825430][ T4370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 76.835479][ T4370] Call Trace:
[ 76.838743][ T4370]
[ 76.841655][ T4370] dump_stack_lvl+0x188/0x250
[ 76.846326][ T4370] ? show_regs_print_info+0x20/0x20
[ 76.851524][ T4370] ? load_image+0x410/0x410
[ 76.856009][ T4370] ? __might_sleep+0xf0/0xf0
[ 76.860596][ T4370] ? __lock_acquire+0x7d40/0x7d40
[ 76.865622][ T4370] should_fail+0x383/0x4b0
[ 76.870022][ T4370] should_failslab+0x5/0x20
[ 76.874530][ T4370] slab_pre_alloc_hook+0x51/0xc0
[ 76.879455][ T4370] ? __kernfs_new_node+0xe3/0x6b0
[ 76.884480][ T4370] kmem_cache_alloc+0x3d/0x280
[ 76.889225][ T4370] __kernfs_new_node+0xe3/0x6b0
[ 76.894070][ T4370] ? kernfs_new_node+0x250/0x250
[ 76.899009][ T4370] ? pointer+0xc60/0xc60
[ 76.903234][ T4370] ? format_decode+0xb38/0x1330
[ 76.908068][ T4370] kernfs_new_node+0x148/0x250
[ 76.912822][ T4370] kernfs_create_dir_ns+0x40/0x120
[ 76.917922][ T4370] sysfs_create_dir_ns+0x12c/0x290
[ 76.923026][ T4370] ? sysfs_warn_dup+0xa0/0xa0
[ 76.927681][ T4370] ? sysfs_create_dir_ns+0x167/0x290
[ 76.932960][ T4370] ? rcu_is_watching+0x11/0xa0
[ 76.937706][ T4370] ? kobject_set_name_vargs+0xc6/0x110
[ 76.943146][ T4370] kobject_add_internal+0x5ba/0xcd0
[ 76.948330][ T4370] kobject_add+0x160/0x230
[ 76.952728][ T4370] ? kobject_init+0x1c0/0x1c0
[ 76.957406][ T4370] ? kobject_init+0x1c0/0x1c0
[ 76.962087][ T4370] ? dev_uevent_filter+0x3f/0xb0
[ 76.967013][ T4370] blk_mq_register_hctx+0x1d5/0x400
[ 76.972286][ T4370] __blk_mq_register_dev+0x206/0x640
[ 76.977554][ T4370] ? debugfs_create_dir+0x423/0x4c0
[ 76.982738][ T4370] blk_register_queue+0x1fc/0x3a0
[ 76.987753][ T4370] device_add_disk+0x60f/0xde0
[ 76.992526][ T4370] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 76.997796][ T4370] mtdblock_add_mtd+0x186/0x240
[ 77.002630][ T4370] blktrans_notify_add+0x95/0xe0
[ 77.007567][ T4370] add_mtd_device+0xd40/0x1260
[ 77.012323][ T4370] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 77.018112][ T4370] ? mtd_cls_resume+0x130/0x130
[ 77.022958][ T4370] mtd_add_partition+0x25d/0x420
[ 77.027883][ T4370] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 77.032981][ T4370] ? shrink_ecclayout+0xab0/0xab0
[ 77.037997][ T4370] ? __might_fault+0xb3/0x110
[ 77.042657][ T4370] ? _copy_from_user+0x111/0x170
[ 77.047576][ T4370] mtdchar_ioctl+0x14cb/0x1d70
[ 77.052322][ T4370] ? mtdchar_close+0x180/0x180
[ 77.057080][ T4370] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 77.063041][ T4370] ? verify_lock_unused+0x140/0x140
[ 77.068223][ T4370] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 77.073923][ T4370] ? rcu_lock_release+0x5/0x20
[ 77.078691][ T4370] ? __mutex_trylock_common+0x15c/0x260
[ 77.084223][ T4370] ? rcu_lock_release+0x20/0x20
[ 77.089059][ T4370] ? __mutex_lock_common+0x435/0x2400
[ 77.094419][ T4370] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 77.099777][ T4370] ? mutex_lock_io_nested+0x60/0x60
[ 77.104971][ T4370] mtdchar_unlocked_ioctl+0xad/0xd0
[ 77.110154][ T4370] ? mtdchar_write+0x5a0/0x5a0
[ 77.114898][ T4370] __se_sys_ioctl+0xfa/0x170
[ 77.119481][ T4370] do_syscall_64+0x4c/0xa0
[ 77.123882][ T4370] ? clear_bhb_loop+0x30/0x80
[ 77.128542][ T4370] ? clear_bhb_loop+0x30/0x80
[ 77.133203][ T4370] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 77.139075][ T4370] RIP: 0033:0x7fda6254a199
[ 77.143472][ T4370] 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
[ 77.163059][ T4370] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 77.171457][ T4370] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 77.179410][ T4370] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 77.187370][ T4370] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 77.195328][ T4370] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 77.203294][ T4370] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 77.211256][ T4370]
[ 77.214727][ T4370] kobject_add_internal failed for cpu0 (error: -12 parent: 0)
[ 77.244443][ T4373] 0x000000000000-0x000000010000 : ""
[ 77.252017][ T4373] ftl_cs: FTL header not found.
[ 77.264542][ T4373] FAULT_INJECTION: forcing a failure.
[ 77.264542][ T4373] name failslab, interval 1, probability 0, space 0, times 0
[ 77.277988][ T4373] CPU: 1 PID: 4373 Comm: syz.0.36 Not tainted syzkaller #0
[ 77.285207][ T4373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 77.295258][ T4373] Call Trace:
[ 77.298520][ T4373]
[ 77.301432][ T4373] dump_stack_lvl+0x188/0x250
[ 77.306093][ T4373] ? show_regs_print_info+0x20/0x20
[ 77.311269][ T4373] ? load_image+0x410/0x410
[ 77.315751][ T4373] ? __lock_acquire+0x7d40/0x7d40
[ 77.320764][ T4373] should_fail+0x383/0x4b0
[ 77.325184][ T4373] should_failslab+0x5/0x20
[ 77.329682][ T4373] slab_pre_alloc_hook+0x51/0xc0
[ 77.334614][ T4373] ? kobject_set_name_vargs+0x5d/0x110
[ 77.340052][ T4373] __kmalloc_track_caller+0x69/0x330
[ 77.345314][ T4373] ? kobject_set_name_vargs+0x5d/0x110
[ 77.350757][ T4373] kvasprintf+0xe3/0x1a0
[ 77.355111][ T4373] ? bust_spinlocks+0xd0/0xd0
[ 77.359771][ T4373] ? sysfs_create_dir_ns+0x167/0x290
[ 77.365043][ T4373] ? kvasprintf_const+0xdd/0x240
[ 77.369962][ T4373] kobject_set_name_vargs+0x5d/0x110
[ 77.375233][ T4373] kobject_add+0x11e/0x230
[ 77.379631][ T4373] ? kobject_init+0x1c0/0x1c0
[ 77.384292][ T4373] ? kobject_init+0x1c0/0x1c0
[ 77.388966][ T4373] ? dev_uevent_filter+0x3f/0xb0
[ 77.393889][ T4373] blk_mq_register_hctx+0x1d5/0x400
[ 77.399072][ T4373] __blk_mq_register_dev+0x206/0x640
[ 77.404347][ T4373] ? debugfs_create_dir+0x423/0x4c0
[ 77.409543][ T4373] blk_register_queue+0x1fc/0x3a0
[ 77.414549][ T4373] device_add_disk+0x60f/0xde0
[ 77.419295][ T4373] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 77.424564][ T4373] mtdblock_add_mtd+0x186/0x240
[ 77.429395][ T4373] blktrans_notify_add+0x95/0xe0
[ 77.434309][ T4373] add_mtd_device+0xd40/0x1260
[ 77.439056][ T4373] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 77.444863][ T4373] ? mtd_cls_resume+0x130/0x130
[ 77.449706][ T4373] mtd_add_partition+0x25d/0x420
[ 77.454632][ T4373] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 77.459729][ T4373] ? shrink_ecclayout+0xab0/0xab0
[ 77.464737][ T4373] ? __might_fault+0xb3/0x110
[ 77.469421][ T4373] ? _copy_from_user+0x111/0x170
[ 77.474342][ T4373] mtdchar_ioctl+0x14cb/0x1d70
[ 77.479110][ T4373] ? mtdchar_close+0x180/0x180
[ 77.483876][ T4373] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 77.489856][ T4373] ? verify_lock_unused+0x140/0x140
[ 77.495040][ T4373] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 77.500655][ T4373] ? rcu_lock_release+0x5/0x20
[ 77.505429][ T4373] ? __mutex_trylock_common+0x15c/0x260
[ 77.510955][ T4373] ? rcu_lock_release+0x20/0x20
[ 77.515810][ T4373] ? __mutex_lock_common+0x435/0x2400
[ 77.521165][ T4373] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 77.526534][ T4373] ? mutex_lock_io_nested+0x60/0x60
[ 77.531718][ T4373] mtdchar_unlocked_ioctl+0xad/0xd0
[ 77.536893][ T4373] ? mtdchar_write+0x5a0/0x5a0
[ 77.541634][ T4373] __se_sys_ioctl+0xfa/0x170
[ 77.546202][ T4373] do_syscall_64+0x4c/0xa0
[ 77.550597][ T4373] ? clear_bhb_loop+0x30/0x80
[ 77.555251][ T4373] ? clear_bhb_loop+0x30/0x80
[ 77.559908][ T4373] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 77.565792][ T4373] RIP: 0033:0x7fda6254a199
[ 77.570202][ T4373] 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
[ 77.589782][ T4373] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 77.598174][ T4373] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 77.606125][ T4373] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 77.614083][ T4373] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 77.622060][ T4373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 77.630019][ T4373] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 77.638010][ T4373]
[ 77.643943][ T4373] kobject: can not set name properly!
[ 77.670241][ T4376] 0x000000000000-0x000000010000 : ""
[ 77.679734][ T4376] ftl_cs: FTL header not found.
[ 77.689620][ T4376] FAULT_INJECTION: forcing a failure.
[ 77.689620][ T4376] name failslab, interval 1, probability 0, space 0, times 0
[ 77.702470][ T4376] CPU: 0 PID: 4376 Comm: syz.0.37 Not tainted syzkaller #0
[ 77.709686][ T4376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 77.719737][ T4376] Call Trace:
[ 77.723027][ T4376]
[ 77.725943][ T4376] dump_stack_lvl+0x188/0x250
[ 77.730603][ T4376] ? show_regs_print_info+0x20/0x20
[ 77.735780][ T4376] ? load_image+0x410/0x410
[ 77.740261][ T4376] ? __might_sleep+0xf0/0xf0
[ 77.744831][ T4376] ? __lock_acquire+0x7d40/0x7d40
[ 77.749841][ T4376] should_fail+0x383/0x4b0
[ 77.754243][ T4376] should_failslab+0x5/0x20
[ 77.758732][ T4376] slab_pre_alloc_hook+0x51/0xc0
[ 77.763671][ T4376] ? __kernfs_new_node+0xe3/0x6b0
[ 77.768681][ T4376] kmem_cache_alloc+0x3d/0x280
[ 77.773430][ T4376] __kernfs_new_node+0xe3/0x6b0
[ 77.778263][ T4376] ? kernfs_new_node+0x250/0x250
[ 77.783192][ T4376] kernfs_new_node+0x148/0x250
[ 77.787943][ T4376] __kernfs_create_file+0x47/0x2e0
[ 77.793036][ T4376] sysfs_add_file_mode_ns+0x2d2/0x390
[ 77.798393][ T4376] internal_create_group+0x492/0xd00
[ 77.803659][ T4376] ? kernfs_add_one+0x564/0x6c0
[ 77.808509][ T4376] ? sysfs_create_group+0x20/0x20
[ 77.813513][ T4376] ? sysfs_create_dir_ns+0x167/0x290
[ 77.818778][ T4376] ? sysfs_warn_dup+0xa0/0xa0
[ 77.823431][ T4376] ? sysfs_create_dir_ns+0x167/0x290
[ 77.828696][ T4376] sysfs_create_groups+0x55/0x120
[ 77.833700][ T4376] kobject_add_internal+0x6fb/0xcd0
[ 77.838879][ T4376] kobject_add+0x160/0x230
[ 77.843277][ T4376] ? kobject_init+0x1c0/0x1c0
[ 77.847935][ T4376] ? kobject_init+0x1c0/0x1c0
[ 77.852606][ T4376] ? dev_uevent_filter+0x3f/0xb0
[ 77.857526][ T4376] blk_mq_register_hctx+0xe4/0x400
[ 77.862622][ T4376] __blk_mq_register_dev+0x206/0x640
[ 77.867906][ T4376] ? debugfs_create_dir+0x423/0x4c0
[ 77.873084][ T4376] blk_register_queue+0x1fc/0x3a0
[ 77.878091][ T4376] device_add_disk+0x60f/0xde0
[ 77.882841][ T4376] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 77.888107][ T4376] mtdblock_add_mtd+0x186/0x240
[ 77.892939][ T4376] blktrans_notify_add+0x95/0xe0
[ 77.897857][ T4376] add_mtd_device+0xd40/0x1260
[ 77.902606][ T4376] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 77.908394][ T4376] ? mtd_cls_resume+0x130/0x130
[ 77.913241][ T4376] mtd_add_partition+0x25d/0x420
[ 77.918178][ T4376] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 77.923270][ T4376] ? shrink_ecclayout+0xab0/0xab0
[ 77.928294][ T4376] ? __might_fault+0xb3/0x110
[ 77.932953][ T4376] ? _copy_from_user+0x111/0x170
[ 77.937891][ T4376] mtdchar_ioctl+0x14cb/0x1d70
[ 77.942638][ T4376] ? mtdchar_close+0x180/0x180
[ 77.947388][ T4376] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 77.953423][ T4376] ? verify_lock_unused+0x140/0x140
[ 77.958661][ T4376] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 77.964280][ T4376] ? rcu_lock_release+0x5/0x20
[ 77.969161][ T4376] ? __mutex_trylock_common+0x15c/0x260
[ 77.974694][ T4376] ? rcu_lock_release+0x20/0x20
[ 77.979548][ T4376] ? __mutex_lock_common+0x435/0x2400
[ 77.984906][ T4376] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 77.990263][ T4376] ? mutex_lock_io_nested+0x60/0x60
[ 77.995457][ T4376] mtdchar_unlocked_ioctl+0xad/0xd0
[ 78.000635][ T4376] ? mtdchar_write+0x5a0/0x5a0
[ 78.005378][ T4376] __se_sys_ioctl+0xfa/0x170
[ 78.009952][ T4376] do_syscall_64+0x4c/0xa0
[ 78.014369][ T4376] ? clear_bhb_loop+0x30/0x80
[ 78.019026][ T4376] ? clear_bhb_loop+0x30/0x80
[ 78.023685][ T4376] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 78.029556][ T4376] RIP: 0033:0x7fda6254a199
[ 78.033955][ T4376] 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
[ 78.053553][ T4376] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 78.061969][ T4376] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 78.069929][ T4376] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 78.077887][ T4376] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 78.085841][ T4376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 78.093791][ T4376] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 78.101750][ T4376]
[ 78.105768][ T4376] kobject_add_internal failed for 0 (error: -12 parent: mq)
[ 78.133004][ T4379] 0x000000000000-0x000000010000 : ""
[ 78.141955][ T4379] ftl_cs: FTL header not found.
[ 78.149197][ T4379] FAULT_INJECTION: forcing a failure.
[ 78.149197][ T4379] name failslab, interval 1, probability 0, space 0, times 0
[ 78.162856][ T4379] CPU: 0 PID: 4379 Comm: syz.0.38 Not tainted syzkaller #0
[ 78.170073][ T4379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 78.180130][ T4379] Call Trace:
[ 78.183408][ T4379]
[ 78.186335][ T4379] dump_stack_lvl+0x188/0x250
[ 78.190995][ T4379] ? show_regs_print_info+0x20/0x20
[ 78.196172][ T4379] ? load_image+0x410/0x410
[ 78.200659][ T4379] ? __might_sleep+0xf0/0xf0
[ 78.205229][ T4379] ? __lock_acquire+0x7d40/0x7d40
[ 78.210235][ T4379] should_fail+0x383/0x4b0
[ 78.214647][ T4379] should_failslab+0x5/0x20
[ 78.219157][ T4379] slab_pre_alloc_hook+0x51/0xc0
[ 78.224110][ T4379] ? __kernfs_new_node+0xe3/0x6b0
[ 78.229127][ T4379] kmem_cache_alloc+0x3d/0x280
[ 78.233875][ T4379] __kernfs_new_node+0xe3/0x6b0
[ 78.238723][ T4379] ? __lock_acquire+0x7d40/0x7d40
[ 78.243727][ T4379] ? kernfs_new_node+0x250/0x250
[ 78.248665][ T4379] ? kernfs_activate+0x1eb/0x210
[ 78.253584][ T4379] kernfs_new_node+0x148/0x250
[ 78.258327][ T4379] __kernfs_create_file+0x47/0x2e0
[ 78.263421][ T4379] sysfs_add_file_mode_ns+0x2d2/0x390
[ 78.268789][ T4379] internal_create_group+0x492/0xd00
[ 78.274060][ T4379] ? kobject_init+0x1c0/0x1c0
[ 78.278714][ T4379] ? sysfs_create_group+0x20/0x20
[ 78.283721][ T4379] blk_register_queue+0xdd/0x3a0
[ 78.288640][ T4379] device_add_disk+0x60f/0xde0
[ 78.293400][ T4379] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 78.298674][ T4379] mtdblock_add_mtd+0x186/0x240
[ 78.303505][ T4379] blktrans_notify_add+0x95/0xe0
[ 78.308424][ T4379] add_mtd_device+0xd40/0x1260
[ 78.313169][ T4379] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 78.318964][ T4379] ? mtd_cls_resume+0x130/0x130
[ 78.323814][ T4379] mtd_add_partition+0x25d/0x420
[ 78.328733][ T4379] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 78.333821][ T4379] ? shrink_ecclayout+0xab0/0xab0
[ 78.338833][ T4379] ? __might_fault+0xb3/0x110
[ 78.343488][ T4379] ? _copy_from_user+0x111/0x170
[ 78.348401][ T4379] mtdchar_ioctl+0x14cb/0x1d70
[ 78.353143][ T4379] ? mtdchar_close+0x180/0x180
[ 78.357891][ T4379] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 78.363859][ T4379] ? verify_lock_unused+0x140/0x140
[ 78.369062][ T4379] ? __ia32_compat_sys_ioctl+0x910/0x910
[ 78.374675][ T4379] ? rcu_lock_release+0x5/0x20
[ 78.379432][ T4379] ? __mutex_trylock_common+0x15c/0x260
[ 78.384962][ T4379] ? rcu_lock_release+0x20/0x20
[ 78.389811][ T4379] ? __mutex_lock_common+0x435/0x2400
[ 78.395166][ T4379] ? mtdchar_unlocked_ioctl+0xa0/0xd0
[ 78.400519][ T4379] ? mutex_lock_io_nested+0x60/0x60
[ 78.405705][ T4379] mtdchar_unlocked_ioctl+0xad/0xd0
[ 78.410883][ T4379] ? mtdchar_write+0x5a0/0x5a0
[ 78.415622][ T4379] __se_sys_ioctl+0xfa/0x170
[ 78.420208][ T4379] do_syscall_64+0x4c/0xa0
[ 78.424604][ T4379] ? clear_bhb_loop+0x30/0x80
[ 78.429257][ T4379] ? clear_bhb_loop+0x30/0x80
[ 78.433910][ T4379] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 78.439778][ T4379] RIP: 0033:0x7fda6254a199
[ 78.444176][ T4379] 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
[ 78.463763][ T4379] RSP: 002b:00007fda61baa028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 78.472169][ T4379] RAX: ffffffffffffffda RBX: 00007fda627d1fa0 RCX: 00007fda6254a199
[ 78.480120][ T4379] RDX: 00002000000000c0 RSI: 0000000000001269 RDI: 0000000000000004
[ 78.488068][ T4379] RBP: 00007fda625e18e0 R08: 0000000000000000 R09: 0000000000000000
[ 78.496016][ T4379] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 78.503965][ T4379] R13: 00007fda627d2038 R14: 00007fda627d1fa0 R15: 00007ffc3dbb5fb8
[ 78.511924][ T4379]
[ 78.526082][ T4379] ------------[ cut here ]------------
[ 78.531539][ T4379] WARNING: CPU: 1 PID: 4379 at block/genhd.c:554 device_add_disk+0x8d6/0xde0
[ 78.540612][ T4379] Modules linked in:
[ 78.544715][ T4379] CPU: 0 PID: 4379 Comm: syz.0.38 Not tainted syzkaller #0
[ 78.551908][ T4379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 78.562072][ T4379] RIP: 0010:device_add_disk+0x8d6/0xde0
[ 78.567692][ T4379] Code: 04 48 89 d8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 8f 03 00 00 8b 33 48 c7 c7 40 f6 90 8c e8 b1 3d 37 00 eb 05 e8 ea 04 a6 fd <0f> 0b 41 bd 01 00 00 00 44 89 e8 48 83 c4 50 5b 41 5c 41 5d 41 5e
[ 78.587541][ T4379] RSP: 0018:ffffc900031af470 EFLAGS: 00010293
[ 78.593661][ T4379] RAX: ffffffff83d31e76 RBX: ffff88807d745800 RCX: ffff88807aee8000
[ 78.601633][ T4379] RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000103
[ 78.609639][ T4379] RBP: 000000000000001f R08: ffff8880797c01db R09: 1ffff1100f2f803b
[ 78.617650][ T4379] R10: dffffc0000000000 R11: ffffed100f2f803c R12: ffff88805983de40
[ 78.625682][ T4379] R13: ffff88807d745950 R14: dffffc0000000000 R15: ffff88805983de40
[ 78.633682][ T4379] FS: 00007fda61baa6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 78.642608][ T4379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 78.649223][ T4379] CR2: 00007fda62533300 CR3: 000000001f6dc000 CR4: 00000000003506f0
[ 78.657225][ T4379] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 78.665223][ T4379] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 78.673190][ T4379] Call Trace:
[ 78.676586][ T4379]
[ 78.679635][ T4379] add_mtd_blktrans_dev+0xfb1/0x13f0
[ 78.684995][ T4379] mtdblock_add_mtd+0x186/0x240
[ 78.689851][ T4379] blktrans_notify_add+0x95/0xe0
[ 78.694824][ T4379] add_mtd_device+0xd40/0x1260
[ 78.699601][ T4379] ? mtd_pairing_info_to_wunit+0x360/0x360
[ 78.705450][ T4379] ? mtd_cls_resume+0x130/0x130
[ 78.710310][ T4379] mtd_add_partition+0x25d/0x420
[ 78.715270][ T4379] mtdchar_blkpg_ioctl+0x283/0x2b0
[ 78.720402][ T4379] ? shrink_ecclayout+0xab0/0xab0
[ 78.725470][ T4379] ? __might_fault+0xb3/0x110
[ 78.730150][ T4379] ? _copy_from_user+0x111/0x170
[ 78.