Warning: Permanently added '10.128.1.166' (ECDSA) to the list of known hosts. [ 81.843762][ T758] cfg80211: failed to load regulatory.db 2023/05/09 23:18:58 parsed 1 programs [ 82.125584][ T26] kauditd_printk_skb: 82 callbacks suppressed [ 82.125600][ T26] audit: type=1400 audit(1683674338.282:175): avc: denied { getattr } for pid=5058 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 82.156425][ T26] audit: type=1400 audit(1683674338.282:176): avc: denied { read } for pid=5058 comm="syz-execprog" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 82.179271][ T26] audit: type=1400 audit(1683674338.282:177): avc: denied { open } for pid=5058 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 82.203778][ T26] audit: type=1400 audit(1683674338.322:178): avc: denied { mounton } for pid=5063 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 82.229710][ T26] audit: type=1400 audit(1683674338.332:179): avc: denied { mount } for pid=5063 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 2023/05/09 23:18:58 executed programs: 0 [ 82.410549][ T26] audit: type=1400 audit(1683674338.562:180): avc: denied { mounton } for pid=5068 comm="syz-executor.0" path="/syzcgroup/unified" dev="sda1" ino=1931 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 82.433821][ T26] audit: type=1400 audit(1683674338.572:181): avc: denied { mount } for pid=5068 comm="syz-executor.0" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 82.534967][ T5068] chnl_net:caif_netlink_parms(): no params data found [ 82.579200][ T5068] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.587079][ T5068] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.594545][ T5068] bridge_slave_0: entered allmulticast mode [ 82.601145][ T5068] bridge_slave_0: entered promiscuous mode [ 82.610444][ T5068] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.617915][ T5068] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.625472][ T5068] bridge_slave_1: entered allmulticast mode [ 82.632276][ T5068] bridge_slave_1: entered promiscuous mode [ 82.654128][ T5068] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.665370][ T5068] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.690918][ T5068] team0: Port device team_slave_0 added [ 82.698544][ T5068] team0: Port device team_slave_1 added [ 82.716313][ T5068] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.724332][ T5068] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 82.751204][ T5068] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.765194][ T5068] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.772766][ T5068] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 82.799505][ T5068] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.826889][ T5068] hsr_slave_0: entered promiscuous mode [ 82.833837][ T5068] hsr_slave_1: entered promiscuous mode [ 82.925517][ T26] audit: type=1400 audit(1683674339.082:182): avc: denied { write } for pid=5068 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 82.926869][ T5068] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.949111][ T26] audit: type=1400 audit(1683674339.082:183): avc: denied { read } for pid=5068 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 82.977306][ T5068] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.986462][ T5068] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.997115][ T5068] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.020658][ T5068] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.027877][ T5068] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.035999][ T5068] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.043245][ T5068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.089153][ T5068] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.101250][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.112823][ T21] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.121662][ T21] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.130650][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 83.144709][ T5068] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.156153][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.166094][ T758] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.173232][ T758] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.192952][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.201441][ T21] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.208718][ T21] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.218058][ T21] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.231176][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.240144][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.254497][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.262895][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.277134][ T5068] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.293808][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.301386][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.314878][ T5068] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.346627][ T26] audit: type=1400 audit(1683674339.502:184): avc: denied { sys_module } for pid=5068 comm="syz-executor.0" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 83.472387][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.489951][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.498473][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.507492][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.518233][ T5068] veth0_vlan: entered promiscuous mode [ 83.529965][ T5068] veth1_vlan: entered promiscuous mode [ 83.543338][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.551877][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.566273][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.575174][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.586228][ T5068] veth0_macvtap: entered promiscuous mode [ 83.595410][ T5068] veth1_macvtap: entered promiscuous mode [ 83.608985][ T5068] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.617810][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.627462][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.636556][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.646471][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.658188][ T5068] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.668337][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.677257][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.690163][ T5068] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.700233][ T5068] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.709425][ T5068] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.719781][ T5068] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.861007][ T5084] nbd0: detected capacity change from 0 to 2176 [ 84.596253][ T47] block nbd0: Receive control failed (result -104) [ 84.604237][ T5083] block nbd0: shutting down sockets [ 84.610912][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 84.620346][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 84.628252][ T5057] ldm_validate_partition_table(): Disk read failed. [ 84.635148][ T5057] Dev nbd0: unable to read RDB block 0 [ 84.640990][ T5057] nbd0: unable to read partition table [ 84.647171][ T5057] nbd0: partition table beyond EOD, truncated [ 84.779012][ T5088] nbd0: detected capacity change from 0 to 2176 [ 85.488459][ T47] block nbd0: Receive control failed (result -104) [ 115.124116][ T92] block nbd0: Possible stuck request ffff88801f8a0000: control (read@0,4096B). Runtime 30 seconds [ 145.202873][ T92] block nbd0: Possible stuck request ffff88801f8a0000: control (read@0,4096B). Runtime 60 seconds [ 146.944140][ T4446] udevd[4446]: worker [5087] /devices/virtual/block/nbd0 is taking a long time [ 175.282282][ T92] block nbd0: Possible stuck request ffff88801f8a0000: control (read@0,4096B). Runtime 90 seconds [ 205.362902][ T92] block nbd0: Possible stuck request ffff88801f8a0000: control (read@0,4096B). Runtime 120 seconds [ 235.447092][ T92] block nbd0: Possible stuck request ffff88801f8a0000: control (read@0,4096B). Runtime 150 seconds [ 265.522237][ T92] block nbd0: Possible stuck request ffff88801f8a0000: control (read@0,4096B). Runtime 180 seconds [ 267.269669][ T4446] udevd[4446]: worker [5087] /devices/virtual/block/nbd0 timeout; kill it [ 267.278595][ T5087] ldm_validate_partition_table(): Disk read failed. [ 267.282096][ T4446] udevd[4446]: seq 7930 '/devices/virtual/block/nbd0' killed [ 267.286331][ T5087] Dev nbd0: unable to read RDB block 0 [ 267.298602][ T5087] nbd0: unable to read partition table [ 267.304973][ T5087] nbd0: partition table beyond EOD, truncated 2023/05/09 23:22:03 executed programs: 2 2023/05/09 23:22:03 result: hanged=false err=executor 0: failed to write control pipe: write |1: broken pipe [ 267.544184][ T26] audit: type=1400 audit(1683674523.702:185): avc: denied { mounton } for pid=5102 comm="syz-executor.0" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 267.570233][ T26] audit: type=1400 audit(1683674523.712:186): avc: denied { mount } for pid=5102 comm="syz-executor.0" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 267.633594][ T5102] chnl_net:caif_netlink_parms(): no params data found [ 267.676236][ T5102] bridge0: port 1(bridge_slave_0) entered blocking state [ 267.686057][ T5102] bridge0: port 1(bridge_slave_0) entered disabled state [ 267.693805][ T5102] bridge_slave_0: entered allmulticast mode [ 267.700591][ T5102] bridge_slave_0: entered promiscuous mode [ 267.708912][ T5102] bridge0: port 2(bridge_slave_1) entered blocking state [ 267.716359][ T5102] bridge0: port 2(bridge_slave_1) entered disabled state [ 267.723940][ T5102] bridge_slave_1: entered allmulticast mode [ 267.730589][ T5102] bridge_slave_1: entered promiscuous mode [ 267.751763][ T5102] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 267.764449][ T5102] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 267.789135][ T5102] team0: Port device team_slave_0 added [ 267.796632][ T5102] team0: Port device team_slave_1 added [ 267.815618][ T5102] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 267.823555][ T5102] 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. [ 267.849962][ T5102] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 267.862532][ T5102] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 267.869762][ T5102] 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. [ 267.896606][ T5102] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 267.925459][ T5102] hsr_slave_0: entered promiscuous mode [ 267.931738][ T5102] hsr_slave_1: entered promiscuous mode [ 267.938389][ T5102] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 267.946622][ T5102] Cannot create hsr debugfs directory [ 268.012427][ T5102] bridge0: port 2(bridge_slave_1) entered blocking state [ 268.019527][ T5102] bridge0: port 2(bridge_slave_1) entered forwarding state [ 268.027236][ T5102] bridge0: port 1(bridge_slave_0) entered blocking state [ 268.034375][ T5102] bridge0: port 1(bridge_slave_0) entered forwarding state [ 268.076390][ T5102] 8021q: adding VLAN 0 to HW filter on device bond0 [ 268.089747][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 268.098182][ T901] bridge0: port 1(bridge_slave_0) entered disabled state [ 268.106493][ T901] bridge0: port 2(bridge_slave_1) entered disabled state [ 268.120175][ T5102] 8021q: adding VLAN 0 to HW filter on device team0 [ 268.132471][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 268.140877][ T758] bridge0: port 1(bridge_slave_0) entered blocking state [ 268.148175][ T758] bridge0: port 1(bridge_slave_0) entered forwarding state [ 268.160277][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 268.169249][ T758] bridge0: port 2(bridge_slave_1) entered blocking state [ 268.176381][ T758] bridge0: port 2(bridge_slave_1) entered forwarding state [ 268.203333][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 268.213042][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 268.221635][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 268.230149][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 268.240174][ T5102] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 268.249463][ T758] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 268.265244][ T4999] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 268.273443][ T4999] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 268.285818][ T5102] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 268.576189][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 268.584947][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 268.598172][ T4999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 268.606873][ T4999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 268.617412][ T4999] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 268.625753][ T4999] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 268.636561][ T5102] veth0_vlan: entered promiscuous mode [ 268.647063][ T5102] veth1_vlan: entered promiscuous mode [ 268.664363][ T4999] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 268.673472][ T4999] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 268.681774][ T4999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 268.690973][ T4999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 268.701648][ T5102] veth0_macvtap: entered promiscuous mode [ 268.713205][ T5102] veth1_macvtap: entered promiscuous mode [ 268.729298][ T5102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 268.740892][ T5102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 268.754611][ T5102] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 268.764064][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 268.772692][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 268.780827][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 268.790080][ T4551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 268.800101][ T5102] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 268.811637][ T5102] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 268.823759][ T5102] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 268.831566][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 268.841749][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 295.602851][ T92] block nbd0: Possible stuck request ffff88801f8a0000: control (read@0,4096B). Runtime 210 seconds [ 325.682557][ T92] block nbd0: Possible stuck request ffff88801f8a0000: control (read@0,4096B). Runtime 240 seconds [ 355.762147][ T92] block nbd0: Possible stuck request ffff88801f8a0000: control (read@0,4096B). Runtime 270 seconds [ 385.842454][ T92] block nbd0: Possible stuck request ffff88801f8a0000: control (read@0,4096B). Runtime 300 seconds [ 415.922185][ T92] block nbd0: Possible stuck request ffff88801f8a0000: control (read@0,4096B). Runtime 330 seconds [ 430.002118][ T27] INFO: task udevd:5087 blocked for more than 143 seconds. [ 430.009457][ T27] Not tainted 6.4.0-rc1-syzkaller-g16a8829130ca #0 [ 430.019374][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.028232][ T27] task:udevd state:D stack:27112 pid:5087 ppid:4446 flags:0x00004006 [ 430.037637][ T27] Call Trace: [ 430.040912][ T27] [ 430.044517][ T27] __schedule+0xc9a/0x5880 [ 430.049314][ T27] ? mark_lock.part.0+0xee/0x1970 [ 430.054762][ T27] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 430.060871][ T27] ? __lock_acquire+0xbe1/0x5df0 [ 430.065981][ T27] ? io_schedule_timeout+0x150/0x150 [ 430.071302][ T27] ? find_held_lock+0x2d/0x110 [ 430.076225][ T27] ? lock_downgrade+0x690/0x690 [ 430.081107][ T27] schedule+0xde/0x1a0 [ 430.085883][ T27] io_schedule+0xbe/0x130 [ 430.090246][ T27] folio_wait_bit_common+0x394/0x9b0 [ 430.095705][ T27] ? filemap_get_folios_contig+0xa70/0xa70 [ 430.101646][ T27] ? filemap_get_entry+0x225/0x430 [ 430.106832][ T27] ? __folio_lock_or_retry+0x240/0x240 [ 430.112503][ T27] ? folio_unlock+0xd0/0xd0 [ 430.117065][ T27] __filemap_get_folio+0x789/0x990 [ 430.122253][ T27] truncate_inode_pages_range+0x350/0xf10 [ 430.127997][ T27] ? truncate_inode_partial_folio+0x750/0x750 [ 430.134249][ T27] ? has_bh_in_lru+0x8f/0xe0 [ 430.139149][ T27] ? smp_call_function_many_cond+0x40a/0x15a0 [ 430.145291][ T27] ? generic_remap_file_range_prep+0x50/0x50 [ 430.151394][ T27] ? __brelse+0xa0/0xa0 [ 430.155757][ T27] ? trace_ipi_send_cpu+0x1d0/0x1d0 [ 430.161430][ T27] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 430.167204][ T27] ? __brelse+0xa0/0xa0 [ 430.171397][ T27] blkdev_flush_mapping+0x152/0x320 [ 430.176830][ T27] blkdev_put_whole+0xcb/0xf0 [ 430.181758][ T27] blkdev_put+0x220/0x780 [ 430.186206][ T27] blkdev_close+0x68/0x80 [ 430.190567][ T27] __fput+0x27c/0xa90 [ 430.194913][ T27] ? blkdev_fsync+0xa0/0xa0 [ 430.199449][ T27] task_work_run+0x16f/0x270 [ 430.204308][ T27] ? task_work_cancel+0x30/0x30 [ 430.209376][ T27] ? do_raw_spin_unlock+0x175/0x230 [ 430.214733][ T27] do_exit+0xad3/0x2960 [ 430.219059][ T27] ? find_held_lock+0x2d/0x110 [ 430.223898][ T27] ? get_signal+0x89d/0x25b0 [ 430.228585][ T27] ? mm_update_next_owner+0x7b0/0x7b0 [ 430.234092][ T27] ? do_raw_spin_lock+0x124/0x2b0 [ 430.239361][ T27] ? spin_bug+0x1c0/0x1c0 [ 430.243834][ T27] do_group_exit+0xd4/0x2a0 [ 430.248567][ T27] get_signal+0x2315/0x25b0 [ 430.253272][ T27] ? exit_signals+0x910/0x910 [ 430.257972][ T27] ? do_sys_openat2+0xa1/0x4c0 [ 430.263092][ T27] arch_do_signal_or_restart+0x79/0x5c0 [ 430.268990][ T27] ? get_sigframe_size+0x10/0x10 [ 430.274398][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 430.279354][ T27] exit_to_user_mode_prepare+0x11f/0x240 [ 430.285085][ T27] syscall_exit_to_user_mode+0x1d/0x50 [ 430.290654][ T27] do_syscall_64+0x46/0xb0 [ 430.295235][ T27] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 430.301271][ T27] RIP: 0033:0x7f2527b169a4 [ 430.305849][ T27] RSP: 002b:00007ffe98499c70 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 430.314443][ T27] RAX: 0000000000000008 RBX: 000055ef488e4ee0 RCX: 00007f2527b169a4 [ 430.322747][ T27] RDX: 00000000000a0800 RSI: 000055ef488d8200 RDI: 00000000ffffff9c [ 430.330745][ T27] RBP: 000055ef488d8200 R08: 0000000000000001 R09: 00007ffe985e3080 [ 430.339146][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 [ 430.347707][ T27] R13: 000055ef488d7980 R14: 0000000000000001 R15: 000055ef488b92c0 [ 430.356155][ T27] [ 430.359306][ T27] INFO: task syz-executor.0:5121 blocked for more than 143 seconds. [ 430.367556][ T27] Not tainted 6.4.0-rc1-syzkaller-g16a8829130ca #0 [ 430.375085][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.383821][ T27] task:syz-executor.0 state:D stack:28072 pid:5121 ppid:5102 flags:0x00000004 [ 430.393251][ T27] Call Trace: [ 430.396541][ T27] [ 430.399483][ T27] __schedule+0xc9a/0x5880 [ 430.403956][ T27] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 430.410232][ T27] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 430.416364][ T27] ? io_schedule_timeout+0x150/0x150 [ 430.421687][ T27] ? __mutex_lock+0xa36/0x1350 [ 430.426644][ T27] schedule+0xde/0x1a0 [ 430.430831][ T27] schedule_preempt_disabled+0x13/0x20 [ 430.436580][ T27] __mutex_lock+0xa3b/0x1350 [ 430.441201][ T27] ? blkdev_get_by_dev.part.0+0x95/0xb80 [ 430.447273][ T27] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 430.452981][ T27] ? _atomic_dec_and_lock+0x96/0x100 [ 430.458372][ T27] ? disk_block_events+0x21/0x140 [ 430.463554][ T27] blkdev_get_by_dev.part.0+0x95/0xb80 [ 430.469132][ T27] ? devcgroup_check_permission+0x1aa/0x4a0 [ 430.475143][ T27] blkdev_get_by_dev+0x6f/0x90 [ 430.480040][ T27] blkdev_open+0x140/0x2d0 [ 430.484544][ T27] do_dentry_open+0x6cc/0x13f0 [ 430.489446][ T27] ? blkdev_close+0x80/0x80 [ 430.494028][ T27] path_openat+0x1baa/0x2750 [ 430.500589][ T27] ? path_lookupat+0x840/0x840 [ 430.505424][ T27] ? find_held_lock+0x2d/0x110 [ 430.510233][ T27] do_filp_open+0x1ba/0x410 [ 430.514989][ T27] ? may_open_dev+0xf0/0xf0 [ 430.519529][ T27] ? find_held_lock+0x2d/0x110 [ 430.524341][ T27] ? do_raw_spin_lock+0x124/0x2b0 [ 430.529398][ T27] ? spin_bug+0x1c0/0x1c0 [ 430.533856][ T27] ? _raw_spin_unlock+0x28/0x40 [ 430.538766][ T27] ? alloc_fd+0x2e4/0x750 [ 430.543171][ T27] do_sys_openat2+0x16d/0x4c0 [ 430.547919][ T27] ? build_open_flags+0x720/0x720 [ 430.553102][ T27] ? do_user_addr_fault+0x367/0x1210 [ 430.558429][ T27] ? lock_downgrade+0x690/0x690 [ 430.563543][ T27] __x64_sys_openat+0x143/0x1f0 [ 430.568416][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 430.573407][ T27] ? syscall_enter_from_user_mode+0x26/0x80 [ 430.579328][ T27] do_syscall_64+0x39/0xb0 [ 430.583829][ T27] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 430.589835][ T27] RIP: 0033:0x417734 [ 430.593946][ T27] RSP: 002b:00007ff3043b7c50 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 430.602438][ T27] RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000417734 [ 430.610599][ T27] RDX: 0000000000000000 RSI: 00007ff3043b7d70 RDI: 00000000ffffff9c [ 430.618760][ T27] RBP: 00007ff3043b7d70 R08: 0000000000000000 R09: 002364626e2f7665 [ 430.626866][ T27] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 430.635090][ T27] R13: 00007ff3043b86bc R14: 00000000ffffffff R15: 0000000000000003 [ 430.643710][ T27] [ 430.646731][ T27] [ 430.646731][ T27] Showing all locks held in the system: [ 430.654520][ T27] 1 lock held by rcu_tasks_kthre/12: [ 430.660186][ T27] #0: ffffffff8c795470 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 430.671148][ T27] 1 lock held by rcu_tasks_trace/13: [ 430.676751][ T27] #0: ffffffff8c795170 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 430.688266][ T27] 1 lock held by khungtaskd/27: [ 430.693359][ T27] #0: ffffffff8c796080 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 [ 430.703312][ T27] 3 locks held by kworker/u4:6/3793: [ 430.708971][ T27] #0: ffff8880b983c618 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120 [ 430.718968][ T27] #1: ffff8880b9828848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x216/0x950 [ 430.730861][ T27] #2: ffff8880b98296d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x5a/0x1f0 [ 430.740504][ T27] 2 locks held by getty/4745: [ 430.745359][ T27] #0: ffff88814bd06098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 [ 430.755344][ T27] #1: ffffc900020482f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 [ 430.765901][ T27] 1 lock held by udevd/5087: [ 430.770588][ T27] #0: ffff88801f80a4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xba/0x780 [ 430.780312][ T27] 1 lock held by syz-executor.0/5121: [ 430.785747][ T27] #0: ffff88801f80a4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x95/0xb80 [ 430.796515][ T27] [ 430.798946][ T27] ============================================= [ 430.798946][ T27] [ 430.807484][ T27] NMI backtrace for cpu 1 [ 430.812007][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.4.0-rc1-syzkaller-g16a8829130ca #0 [ 430.821482][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 430.831712][ T27] Call Trace: [ 430.835117][ T27] [ 430.838054][ T27] dump_stack_lvl+0xd9/0x150 [ 430.843087][ T27] nmi_cpu_backtrace+0x29c/0x350 [ 430.848076][ T27] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 430.853547][ T27] nmi_trigger_cpumask_backtrace+0x2a4/0x300 [ 430.859551][ T27] watchdog+0xe16/0x1090 [ 430.864171][ T27] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 430.870337][ T27] kthread+0x344/0x440 [ 430.874427][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 430.880271][ T27] ret_from_fork+0x1f/0x30 [ 430.884763][ T27] [ 430.888016][ T27] Sending NMI from CPU 1 to CPUs 0: [ 430.893477][ C0] NMI backtrace for cpu 0 [ 430.893486][ C0] CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 6.4.0-rc1-syzkaller-g16a8829130ca #0 [ 430.893506][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 430.893516][ C0] RIP: 0010:mark_lock.part.0+0x2/0x1970 [ 430.893547][ C0] Code: e8 33 b5 70 00 e9 27 fe ff ff 48 c7 c7 0c e2 79 8e e8 22 b5 70 00 e9 b3 fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 57 <41> 56 41 55 41 89 d5 48 ba 00 00 00 00 00 fc ff df 41 54 49 89 f4 [ 430.893565][ C0] RSP: 0018:ffffc9000034f598 EFLAGS: 00000002 [ 430.893580][ C0] RAX: 0000000000000007 RBX: ffff888019240c52 RCX: ffffffff8164a4f9 [ 430.893592][ C0] RDX: 0000000000000004 RSI: ffff888019240c30 RDI: ffff888019240140 [ 430.893604][ C0] RBP: 0000000000000020 R08: 0000000000000000 R09: ffffffff9151cd07 [ 430.893616][ C0] R10: fffffbfff22a39a0 R11: 0000000000000001 R12: ffff888019240c30 [ 430.893628][ C0] R13: ffff888019240140 R14: 0000000000000001 R15: dffffc0000000000 [ 430.893640][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 430.893659][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.893671][ C0] CR2: 00007f5111ed1580 CR3: 000000000c571000 CR4: 00000000003506f0 [ 430.893684][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 430.893694][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 430.893706][ C0] Call Trace: [ 430.893710][ C0] [ 430.893716][ C0] __lock_acquire+0x11ed/0x5df0 [ 430.893741][ C0] ? kfree_skbmem+0xef/0x1b0 [ 430.893852][ C0] ? stack_trace_save+0x90/0xc0 [ 430.893877][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 430.893908][ C0] ? kfree_skbmem+0xef/0x1b0 [ 430.893930][ C0] lock_acquire+0x1b1/0x520 [ 430.893954][ C0] ? debug_check_no_obj_freed+0xcb/0x420 [ 430.893991][ C0] ? lock_sync+0x190/0x190 [ 430.894013][ C0] ? ret_from_fork+0x1f/0x30 [ 430.894040][ C0] ? find_held_lock+0x2d/0x110 [ 430.894061][ C0] _raw_spin_lock_irqsave+0x3d/0x60 [ 430.894090][ C0] ? debug_check_no_obj_freed+0xcb/0x420 [ 430.894116][ C0] debug_check_no_obj_freed+0xcb/0x420 [ 430.894143][ C0] ? skb_free_head+0x17f/0x1b0 [ 430.894163][ C0] ? skb_free_head+0x17f/0x1b0 [ 430.894184][ C0] kmem_cache_free+0x1d4/0x370 [ 430.894215][ C0] skb_free_head+0x17f/0x1b0 [ 430.894236][ C0] skb_release_data+0x598/0x820 [ 430.894261][ C0] ? __netif_receive_skb_core+0x577/0x3900 [ 430.894305][ C0] kfree_skb_reason+0x179/0x3c0 [ 430.894331][ C0] __netif_receive_skb_core+0x577/0x3900 [ 430.894352][ C0] ? __lock_acquire+0xbe1/0x5df0 [ 430.894376][ C0] ? generic_xdp_tx+0x680/0x680 [ 430.894397][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 430.894433][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 430.894458][ C0] ? find_held_lock+0x2d/0x110 [ 430.894488][ C0] __netif_receive_skb_one_core+0xae/0x180 [ 430.894509][ C0] ? __netif_receive_skb_core+0x3900/0x3900 [ 430.894530][ C0] ? process_backlog+0x119/0x670 [ 430.894549][ C0] ? lock_downgrade+0x690/0x690 [ 430.894573][ C0] ? do_raw_spin_lock+0x124/0x2b0 [ 430.894599][ C0] ? spin_bug+0x1c0/0x1c0 [ 430.894624][ C0] __netif_receive_skb+0x1f/0x1c0 [ 430.894644][ C0] process_backlog+0x101/0x670 [ 430.894664][ C0] __napi_poll+0xb7/0x6f0 [ 430.894684][ C0] ? net_rx_action+0x271/0xcb0 [ 430.894704][ C0] net_rx_action+0x8a9/0xcb0 [ 430.894725][ C0] ? napi_threaded_poll+0x920/0x920 [ 430.894746][ C0] ? cpuacct_stats_show+0x6d0/0x6d0 [ 430.894769][ C0] ? io_schedule_timeout+0x150/0x150 [ 430.894789][ C0] ? __pick_next_task_fair+0x10/0x10 [ 430.894813][ C0] __do_softirq+0x1d4/0x905 [ 430.894841][ C0] ? __irq_exit_rcu+0x190/0x190 [ 430.894862][ C0] run_ksoftirqd+0x31/0x60 [ 430.894882][ C0] smpboot_thread_fn+0x659/0x9e0 [ 430.894902][ C0] ? sort_range+0x30/0x30 [ 430.894920][ C0] kthread+0x344/0x440 [ 430.894940][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 430.894963][ C0] ret_from_fork+0x1f/0x30 [ 430.894991][ C0] [ 430.897663][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 431.298358][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.4.0-rc1-syzkaller-g16a8829130ca #0 [ 431.307910][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 431.318060][ T27] Call Trace: [ 431.321354][ T27] [ 431.324406][ T27] dump_stack_lvl+0xd9/0x150 [ 431.329182][ T27] panic+0x686/0x730 [ 431.333095][ T27] ? panic_smp_self_stop+0xa0/0xa0 [ 431.338228][ T27] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 431.343521][ T27] ? preempt_schedule_thunk+0x1a/0x20 [ 431.348937][ T27] ? watchdog+0xbe8/0x1090 [ 431.353369][ T27] watchdog+0xbf9/0x1090 [ 431.357643][ T27] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 431.363997][ T27] kthread+0x344/0x440 [ 431.368353][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 431.374103][ T27] ret_from_fork+0x1f/0x30 [ 431.378538][ T27] [ 431.382062][ T27] Kernel Offset: disabled [ 431.386514][ T27] Rebooting in 86400 seconds..