last executing test programs: 6m36.83517252s ago: executing program 0: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='memory.events\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000002c0)='memory.events\x00', 0x7a05, 0x1700) ioctl$FS_IOC_SETFLAGS(r0, 0x40086602, &(0x7f0000000000)) pwritev(r0, &(0x7f00000004c0)=[{&(0x7f0000000200)="db", 0x1}], 0x1, 0x8040000, 0x0) 6m33.119327342s ago: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r1, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0) sendmsg$NFT_BATCH(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)={{0x14}, [@NFT_MSG_NEWSET={0x3c, 0x12, 0xa, 0x9, 0x0, 0x0, {0x2}, [@NFTA_SET_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_SET_KEY_TYPE={0x8}, @NFTA_SET_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_SET_FLAGS={0x8, 0x3, 0x1, 0x0, 0x1}]}], {0x14}}, 0x64}}, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) 6m30.163585375s ago: executing program 0: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) close(r0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='memory.events\x00', 0x100002, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000380)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_int(r1, &(0x7f0000000200), 0x48400) write$cgroup_subtree(r0, &(0x7f0000000040)=ANY=[], 0x3a) preadv(r0, &(0x7f0000000300)=[{&(0x7f0000000640)=""/4096, 0x48400}], 0x1, 0x0, 0x0) 6m25.044167832s ago: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$sock_int(r0, 0x1, 0x10, &(0x7f0000000080), &(0x7f0000000140)=0x4) 6m23.744101848s ago: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r1, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000000c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0) sendmsg$NFT_BATCH(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000280)={{0x14}, [@NFT_MSG_NEWSET={0x3c, 0x12, 0xa, 0x9, 0x0, 0x0, {0x2}, [@NFTA_SET_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_SET_KEY_TYPE={0x8}, @NFTA_SET_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_SET_FLAGS={0x8, 0x3, 0x1, 0x0, 0x1}]}], {0x14}}, 0x64}}, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) 6m18.960044865s ago: executing program 0: r0 = syz_open_procfs(0x0, &(0x7f0000002b80)='attr/sockcreate\x00') write$P9_RVERSION(r0, 0x0, 0x0) 4m46.894766368s ago: executing program 1: r0 = syz_open_dev$sndpcmp(&(0x7f0000007640), 0x0, 0x0) ioctl$SNDRV_PCM_IOCTL_INFO(r0, 0x40084146, &(0x7f0000000000)) 4m42.068307709s ago: executing program 1: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)={0x2, 0xa, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, [@sadb_x_filter={0x5, 0x1a, @in=@initdev={0xac, 0x1e, 0x0, 0x0}, @in6=@mcast2, 0x0, 0x86d14cded5d0cba9}]}, 0x38}}, 0x0) 4m37.724586186s ago: executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000001c40)=@newtaction={0xf0, 0x30, 0x1, 0x0, 0x0, {}, [{0xdc, 0x1, [@m_police={0x6c, 0x1, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c}]]}, {0x4}, {0xc}, {0xc}}}, @m_police={0x6c, 0x2, 0x0, 0x0, {{0xb}, {0x40, 0x2, 0x0, 0x1, [[@TCA_POLICE_TBF={0x3c, 0x1, {0x1}}]]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xf0}}, 0x0) 3m17.18668901s ago: executing program 1: r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xb, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000000000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000001000000b7030000000000f7850000002d00000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000280)={&(0x7f0000000140)='kmem_cache_free\x00', r0}, 0x10) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_NEW(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)=ANY=[@ANYBLOB="6c00000000010104000000000000000002000000240001801400018008000100e000000108000200e00000010c000280050001000000040024000280140001800800010000000000080002007f0000010c00028005000100000000000800074000000000080003"], 0x6c}}, 0x0) 4.869947526s ago: executing program 1: r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xb, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000000000000000000000180100002020702500000000002020207b1af8ff00000000bfa100000000000007010000f8ffffffb702000001000000b7030000000000f7850000002d00000095"], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000280)={&(0x7f0000000140)='kmem_cache_free\x00', r0}, 0x10) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_NEW(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000280)=ANY=[@ANYBLOB="6c00000000010104000000000000000002000000240001801400018008000100e000000108000200e00000010c000280050001000000040024000280140001800800010000000000080002007f0000010c00028005000100000000000800074000000000080003"], 0x6c}}, 0x0) 0s ago: executing program 1: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0) lgetxattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000400)=@known='user.syz\x00', 0x0, 0x2) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:11470' (ED25519) to the list of known hosts. 1970/01/01 00:08:16 fuzzer started 1970/01/01 00:08:27 dialing manager at localhost:30008 syzkaller login: [ 518.574240][ T3050] cgroup: Unknown subsys name 'net' [ 519.869730][ T3050] cgroup: Unknown subsys name 'rlimit' [ 580.640510][ T3049] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 1970/01/01 00:09:40 starting 2 executor processes [ 627.610859][ T3060] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 627.789251][ T3060] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 631.249012][ T3061] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 631.468528][ T3061] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 642.305197][ T3060] hsr_slave_0: entered promiscuous mode [ 642.361598][ T3060] hsr_slave_1: entered promiscuous mode [ 645.334619][ T3061] hsr_slave_0: entered promiscuous mode [ 645.388779][ T3061] hsr_slave_1: entered promiscuous mode [ 645.412023][ T3061] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 645.417903][ T3061] Cannot create hsr debugfs directory [ 650.065394][ T3060] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 650.411355][ T3060] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 650.918725][ T3060] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 651.234654][ T3060] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 653.366794][ T3061] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 653.515942][ T3061] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 653.671152][ T3061] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 653.851791][ T3061] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 664.206699][ T3060] 8021q: adding VLAN 0 to HW filter on device bond0 [ 667.899986][ T3061] 8021q: adding VLAN 0 to HW filter on device bond0 [ 718.764171][ T3060] veth0_vlan: entered promiscuous mode [ 719.217513][ T3060] veth1_vlan: entered promiscuous mode [ 720.775902][ T3060] veth0_macvtap: entered promiscuous mode [ 720.971645][ T3060] veth1_macvtap: entered promiscuous mode [ 722.785806][ T3060] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 722.789110][ T3060] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 722.790835][ T3060] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 722.792219][ T3060] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 723.206688][ T3061] veth0_vlan: entered promiscuous mode [ 724.316888][ T3061] veth1_vlan: entered promiscuous mode [ 726.897775][ T3061] veth0_macvtap: entered promiscuous mode [ 727.106116][ T3061] veth1_macvtap: entered promiscuous mode [ 728.658767][ T3061] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 728.660637][ T3061] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 728.662079][ T3061] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 728.668926][ T3061] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 742.047154][ T3763] Illegal XDP return value 4294967274 on prog (id 3) dev N/A, expect packet loss! [ 791.581212][ T3822] loop0: detected capacity change from 0 to 512 [ 791.835420][ T3822] EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled [ 792.796720][ T3822] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 793.868744][ T34] audit: type=1800 audit(793.090:2): pid=3822 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 794.752076][ T3061] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 799.700710][ T3836] process 'syz-executor.0' launched './file1' with NULL argv: empty string added [ 802.361448][ T3836] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 853.190276][ T3897] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 860.764645][ T3907] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 862.164392][ T3926] bond1: entered promiscuous mode [ 862.167524][ T3926] bond1: entered allmulticast mode [ 865.800690][ T3947] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. [ 876.749452][ T3958] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 879.387663][ T3962] bond2: entered promiscuous mode [ 879.391048][ T3962] bond2: entered allmulticast mode [ 884.577930][ T3997] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. [ 892.891188][ T4007] netlink: 'syz-executor.1': attribute type 1 has an invalid length. [ 894.729036][ T4021] bond1: entered promiscuous mode [ 894.754646][ T4021] bond1: entered allmulticast mode [ 897.191902][ T4047] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. [ 905.233980][ T4057] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. [ 905.790625][ T4059] netlink: 'syz-executor.1': attribute type 1 has an invalid length. [ 908.740916][ T4061] bond2: entered promiscuous mode [ 908.745540][ T4061] bond2: entered allmulticast mode [ 911.770664][ T4098] input: syz1 as /devices/virtual/input/input0 [ 920.198623][ T4114] netlink: 'syz-executor.1': attribute type 1 has an invalid length. [ 922.071772][ T4126] bond3: entered promiscuous mode [ 922.079758][ T4126] bond3: entered allmulticast mode [ 931.349022][ T4158] input: syz1 as /devices/virtual/input/input1 [ 939.062154][ T4168] netlink: 'syz-executor.0': attribute type 1 has an invalid length. [ 941.217507][ T4182] bond3: entered promiscuous mode [ 941.219168][ T4182] bond3: entered allmulticast mode [ 948.805027][ T4210] input: syz1 as /devices/virtual/input/input2 [ 960.802209][ T4229] netlink: 'syz-executor.1': attribute type 4 has an invalid length. [ 963.055413][ T4233] input: syz1 as /devices/virtual/input/input3 [ 970.887580][ T4252] input: syz1 as /devices/virtual/input/input4 [ 974.337748][ T4260] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 986.537920][ T4279] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1003.867951][ T4299] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1017.738742][ T4315] netlink: 'syz-executor.0': attribute type 4 has an invalid length. [ 1031.848079][ T4338] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1046.194160][ T4357] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1064.267809][ T4375] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1078.986966][ T4394] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1088.900183][ T4412] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 1098.665279][ T4421] syz-executor.1 uses obsolete (PF_INET,SOCK_PACKET) [ 1105.286369][ T3109] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1106.576928][ T3109] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1107.780828][ T3109] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1108.398649][ T4434] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1109.028542][ T3109] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 1124.290376][ T3109] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 1124.540012][ T3109] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 1124.648427][ T3109] bond0 (unregistering): Released all slaves [ 1125.338484][ T3109] bond1 (unregistering): Released all slaves [ 1126.076033][ T3109] bond2 (unregistering): Released all slaves [ 1126.638512][ T3109] bond3 (unregistering): Released all slaves [ 1128.561740][ T3109] hsr_slave_0: left promiscuous mode [ 1128.650357][ T3109] hsr_slave_1: left promiscuous mode [ 1129.171890][ T3109] veth1_macvtap: left promiscuous mode [ 1129.180523][ T3109] veth0_macvtap: left promiscuous mode [ 1129.188472][ T3109] veth1_vlan: left promiscuous mode [ 1129.198029][ T3109] veth0_vlan: left promiscuous mode [ 1131.230892][ T4465] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1187.751189][ T4426] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1188.188218][ T4426] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1643.477943][ T35] INFO: task dhcpcd:2897 blocked for more than 430 seconds. [ 1643.480559][ T35] Not tainted 6.10.0-rc3-syzkaller-g83a7eefedc9b #0 [ 1643.526844][ T35] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1643.529349][ T35] task:dhcpcd state:D stack:0 pid:2897 tgid:2897 ppid:2896 flags:0x00000000 [ 1643.554495][ T35] Call Trace: [ 1643.556721][ T35] [] __schedule+0xd5c/0x3486 [ 1643.561973][ T35] [] schedule+0xc4/0x324 [ 1643.596524][ T35] [] schedule_preempt_disabled+0x16/0x28 [ 1643.598749][ T35] [] __mutex_lock+0x86a/0x1022 [ 1643.600670][ T35] [] mutex_lock_nested+0x14/0x1c [ 1643.627230][ T35] [] netlink_dump+0x562/0x1238 [ 1643.630465][ T35] [] netlink_recvmsg+0x84c/0xc30 [ 1643.656413][ T35] [] sock_recvmsg+0xd6/0x144 [ 1643.659339][ T35] [] ____sys_recvmsg+0x210/0x55a [ 1643.661613][ T35] [] ___sys_recvmsg+0x112/0x19e [ 1643.685070][ T35] [] __sys_recvmsg+0x12e/0x1ee [ 1643.687738][ T35] [] __riscv_sys_recvmsg+0x70/0xa2 [ 1643.689953][ T35] [] syscall_handler+0x94/0x118 [ 1643.691857][ T35] [] do_trap_ecall_u+0x14c/0x214 [ 1643.726669][ T35] [] ret_from_exception+0x0/0x64 [ 1643.730418][ T35] INFO: task syz-executor.0:4426 blocked for more than 430 seconds. [ 1643.745061][ T35] Not tainted 6.10.0-rc3-syzkaller-g83a7eefedc9b #0 [ 1643.747365][ T35] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1643.749247][ T35] task:syz-executor.0 state:D stack:0 pid:4426 tgid:4426 ppid:1 flags:0x00000004 [ 1643.751947][ T35] Call Trace: [ 1643.766031][ T35] [] __schedule+0xd5c/0x3486 [ 1643.768386][ T35] [] schedule+0xc4/0x324 [ 1643.770335][ T35] [] schedule_preempt_disabled+0x16/0x28 [ 1643.817671][ T35] [] __mutex_lock+0x86a/0x1022 [ 1643.820987][ T35] [] mutex_lock_nested+0x14/0x1c [ 1643.856607][ T35] [] rtnetlink_rcv_msg+0x3e2/0xdb2 [ 1643.859349][ T35] [] netlink_rcv_skb+0x216/0x3dc [ 1643.861373][ T35] [] rtnetlink_rcv+0x26/0x30 [ 1643.897818][ T35] [] netlink_unicast+0x508/0x862 [ 1643.900401][ T35] [] netlink_sendmsg+0x864/0xdc2 [ 1643.923692][ T35] [] __sock_sendmsg+0xcc/0x162 [ 1643.926155][ T35] [] __sys_sendto+0x230/0x320 [ 1643.928162][ T35] [] __riscv_sys_sendto+0xc0/0x158 [ 1643.930142][ T35] [] syscall_handler+0x94/0x118 [ 1643.943329][ T35] [] do_trap_ecall_u+0x14c/0x214 [ 1643.945932][ T35] [] ret_from_exception+0x0/0x64 [ 1643.948980][ T35] [ 1643.948980][ T35] Showing all locks held in the system: 1970/01/01 00:27:23 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF [ 1643.951893][ T35] 3 locks held by kworker/u8:0/11: [ 1644.046475][ T35] #0: ff600000102eb148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x824/0x1d5c [ 1644.094163][ T35] #1: ff20000000063c90 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x850/0x1d5c [ 1644.099728][ T35] #2: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x22/0x2a [ 1644.141441][ T35] 1 lock held by khungtaskd/35: [ 1644.164046][ T35] #0: ffffffff87bc3f00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x68/0x2d6 [ 1644.169229][ T35] 2 locks held by kworker/u9:2/40: [ 1644.171181][ T35] 2 locks held by dhcpcd/2897: [ 1644.209983][ T35] #0: ff6000002aaef678 (nlk_cb_mutex-ROUTE){+.+.}-{3:3}, at: netlink_dump+0xe68/0x1238 [ 1644.250847][ T35] #1: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0x562/0x1238 [ 1644.280456][ T35] 2 locks held by getty/3001: [ 1644.305489][ T35] #0: ff600000171090a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 [ 1644.365400][ T35] #1: ff20000000e032f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xd6a/0x1288 [ 1644.396001][ T35] 2 locks held by syz-fuzzer/3038: [ 1644.397871][ T35] 3 locks held by kworker/1:0/3057: [ 1644.399466][ T35] 1 lock held by syz-executor.0/4426: [ 1644.401055][ T35] #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e2/0xdb2 [ 1644.447951][ T35] 2 locks held by syz-executor.1/4685: [ 1644.449731][ T35] 1 lock held by syz-executor.1/4688: [ 1644.451278][ T35] #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e2/0xdb2 [ 1644.507500][ T35] 1 lock held by syz-executor.0/4692: [ 1644.509129][ T35] #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e2/0xdb2 [ 1644.544504][ T35] 2 locks held by syz-executor.0/4697: [ 1644.547738][ T35] 3 locks held by syz-executor.1/4698: [ 1644.550369][ T35] 1 lock held by syz-executor.0/4699: [ 1644.551903][ T35] #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e2/0xdb2 [ 1644.589736][ T35] 1 lock held by syz-executor.1/4701: [ 1644.591358][ T35] #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e2/0xdb2 [ 1644.620785][ T35] [ 1644.622009][ T35] ============================================= [ 1644.622009][ T35] [ 1644.670437][ T35] Kernel panic - not syncing: hung_task: blocked tasks [ 1644.673270][ T35] CPU: 0 PID: 35 Comm: khungtaskd Not tainted 6.10.0-rc3-syzkaller-g83a7eefedc9b #0 [ 1644.675875][ T35] Hardware name: riscv-virtio,qemu (DT) [ 1644.677161][ T35] Call Trace: [ 1644.678138][ T35] [] dump_backtrace+0x2e/0x3c [ 1644.679823][ T35] [] show_stack+0x34/0x40 [ 1644.681446][ T35] [] dump_stack_lvl+0x108/0x196 [ 1644.683555][ T35] [] dump_stack+0x1c/0x24 [ 1644.685080][ T35] [] panic+0x382/0x800 [ 1644.686597][ T35] [] watchdog+0xa56/0x113c [ 1644.688198][ T35] [] kthread+0x28c/0x3a6 [ 1644.689923][ T35] [] ret_from_fork+0xe/0x1c [ 1644.691881][ T35] SMP: stopping secondary CPUs [ 1644.696137][ T35] Rebooting in 86400 seconds.. VM DIAGNOSIS: 16:33:02 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff8017f162 mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85ca3c44 vstvec 0000000000000000 mepc ffffffff8023b2fc sepc ffffffff80921318 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080029000 sscratch 0000000000000000 satp a02bf0000008c6b3 x0/zero 0000000000000000 x1/ra ffffffff85c81ca0 x2/sp ff20000000003190 x3/gp ffffffff89240400 x4/tp ff6000001554cec0 x5/t0 0000000000000000 x6/t1 ffebffff0f56c9e8 x7/t2 ff6000001554d9e0 x8/s0 ff20000000003270 x9/s1 ff6000001554cf80 x10/a0 ff60000015d4e000 x11/a1 0000000000730230 x12/a2 0000000000000000 x13/a3 ffffffff803ad6a2 x14/a4 1fec000002ba9c93 x15/a5 0000000000000000 x16/a6 0000000000ff0100 x17/a7 ff6000007ab64f43 x18/s2 0000000000000000 x19/s3 0000000000730230 x20/s4 ff60000015d4e000 x21/s5 ffffffff8b1a6b40 x22/s6 0000003c4217d125 x23/s7 1fec000002aa99f0 x24/s8 ff6000001554cfa8 x25/s9 1fec000002aa99f5 x26/s10 ffffffff8b1a6b40 x27/s11 ff60000015d4e498 x28/t3 6d051119bc332348 x29/t4 ffebffff0f56c9e8 x30/t5 ffebffff0f56c9e9 x31/t6 1fec000002aa9b4a f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 CPU#1 V = 0 pc ffffffff8022133c mhartid 0000000000000001 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85ca3c44 vstvec 0000000000000000 mepc ffffffff8001c7f2 sepc ffffffff8024d2e6 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080027000 sscratch 0000000000000000 satp a02bf0000008c6b3 x0/zero 0000000000000000 x1/ra ffffffff8022a878 x2/sp ff2000000000b520 x3/gp ffffffff89240400 x4/tp ff6000000da94ec0 x5/t0 0000000000000000 x6/t1 ff6000000da95a58 x7/t2 ff6000000da959e0 x8/s0 ff2000000000b890 x9/s1 ffffffff89331800 x10/a0 ff6000000da95a50 x11/a1 0000000000000004 x12/a2 0000000000000000 x13/a3 ffffffffffffffff x14/a4 ffffffffffffffff x15/a5 ffffffffffffffff x16/a6 ffffffff8a73b460 x17/a7 000000000000000e x18/s2 0000000000000000 x19/s3 0000000000000000 x20/s4 ff6000000da94ec0 x21/s5 0000000000010001 x22/s6 0000000000000008 x23/s7 1fe4000000001758 x24/s8 1ffffffff1634d69 x25/s9 ffffffff8b1a6b48 x26/s10 ff2000000000bb00 x27/s11 ff6000007ab85f58 x28/t3 6df0439dfd0b4969 x29/t4 1fec000001b52b38 x30/t5 ffffffff8933dd40 x31/t6 1fec000001b52b4f f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000