last executing test programs: 39.470355519s ago: executing program 1 (id=2): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_GET_STATS_CPU(r0, &(0x7f0000002240)={0x0, 0x0, &(0x7f0000002200)={&(0x7f00000021c0)={0x14, 0x4, 0x1, 0x301, 0x0, 0x0, {0x2, 0x0, 0x9}}, 0x14}}, 0x44000) sendmsg$NFT_MSG_GETCHAIN(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)={0x14, 0x4, 0xa, 0x101, 0x0, 0x0, {0x3, 0x0, 0x6}}, 0x14}, 0x1, 0x0, 0x0, 0xc880}, 0x40000) 32.444197544s ago: executing program 1 (id=3): r0 = socket$inet6_udplite(0xa, 0x2, 0x88) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000004c0)={{{@in=@broadcast, @in=@local, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0xee01}, {0x0, 0x0, 0x4000, 0x0, 0x0, 0x2}, {0x4}, 0x0, 0x0, 0x1}, {{@in6=@loopback, 0x0, 0x32}, 0xa, @in, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x80000000}}, 0xe8) sendmmsg$inet6(r0, &(0x7f0000000a80)=[{{&(0x7f0000000000)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c, 0x0}}, {{&(0x7f0000000040)={0xa, 0x4e21, 0x0, @dev}, 0x1c, 0x0, 0x0, 0x0, 0x0, 0xe00}}], 0x2, 0x0) 30.917559333s ago: executing program 0 (id=1): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a010300000000000000000100fffd0900010073797a300000000040000000030a01020000000000000000010000000900030073797a3200000000140004800800024032658aeb08000140000000010900010073797a300000000044000000060a010400000000000001040100000008000b40000000000900010073797a30000000001c000480180001800d00010073796e70726f7879000000000400028014000000110001"], 0xcc}}, 0x0) syz_emit_ethernet(0x7e, &(0x7f0000000340)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @link_local, @void, {@ipv4={0x800, @tcp={{0x5, 0x4, 0x0, 0x0, 0x70, 0x0, 0x0, 0xe, 0x6, 0x0, @empty, @empty}, {{0x10, 0x4e26, 0x41424344, 0x41424344, 0x0, 0x0, 0x17, 0xc2, 0x1, 0x0, 0x0, {[@generic={0x3, 0x7, '\x00\x00\x00-$'}, @window={0x3, 0x3, 0x9}, @mptcp=@synack={0x1e, 0x10, 0x1, 0x2, 0xa, 0x7, 0xe3}, @sack={0x5, 0x22, [0x91, 0x4, 0x2, 0x0, 0x31f3, 0x2a66645e, 0x9, 0x4]}, @timestamp={0x8, 0xa, 0x8, 0xffffffff}]}}}}}}}, 0x0) 25.529712063s ago: executing program 1 (id=4): r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='net/udp\x00') fchmod(r0, 0xaf394cc1b5592f0a) fchown(r0, 0x0, 0xffffffffffffffff) 16.900205361s ago: executing program 1 (id=5): r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect$can_bcm(r0, &(0x7f0000000000), 0x10) sendmsg$can_bcm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000080)=ANY=[@ANYBLOB="0500000003000000002000001277883dded9b7c1"], 0x48}}, 0x0) 2.270895761s ago: executing program 0 (id=6): r0 = socket$kcm(0x2, 0x1, 0x0) sendmsg$inet(r0, &(0x7f0000000fc0)={&(0x7f0000000000)={0x2, 0x4001, @remote}, 0x10, 0x0}, 0x20000811) recvmsg$kcm(r0, &(0x7f0000000880)={0x0, 0x0, 0x0}, 0x2) 0s ago: executing program 1 (id=7): openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) mmap(&(0x7f0000ff2000/0xd000)=nil, 0xd000, 0x2000004, 0x12, r0, 0x34de5000) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:57991' (ED25519) to the list of known hosts. syzkaller login: [ 516.785096][ T3222] cgroup: Unknown subsys name 'net' [ 517.403880][ T3222] cgroup: Unknown subsys name 'cpuset' [ 517.611796][ T3222] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 602.797022][ T3222] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 764.789684][ T3229] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 765.682835][ T3229] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 765.801860][ T3231] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 765.918621][ T3231] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 780.378399][ T3231] hsr_slave_0: entered promiscuous mode [ 780.431025][ T3231] hsr_slave_1: entered promiscuous mode [ 783.513072][ T3229] hsr_slave_0: entered promiscuous mode [ 783.536676][ T3229] hsr_slave_1: entered promiscuous mode [ 783.582937][ T3229] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 783.588960][ T3229] Cannot create hsr debugfs directory [ 794.056246][ T3231] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 794.292169][ T3231] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 794.470882][ T3231] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 795.231017][ T3231] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 797.538674][ T3229] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 797.758505][ T3229] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 798.049221][ T3229] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 798.405175][ T3229] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 810.030702][ T3231] 8021q: adding VLAN 0 to HW filter on device bond0 [ 813.582287][ T3229] 8021q: adding VLAN 0 to HW filter on device bond0 [ 878.677626][ T3229] veth0_vlan: entered promiscuous mode [ 879.120519][ T3229] veth1_vlan: entered promiscuous mode [ 880.440392][ T3229] veth0_macvtap: entered promiscuous mode [ 880.587163][ T3229] veth1_macvtap: entered promiscuous mode [ 883.253425][ T3229] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 883.292446][ T3229] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 883.306006][ T3229] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 883.308867][ T3229] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 886.279157][ T3231] veth0_vlan: entered promiscuous mode [ 886.666256][ T3231] veth1_vlan: entered promiscuous mode [ 888.688827][ T3229] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 888.798216][ T3231] veth0_macvtap: entered promiscuous mode [ 889.353093][ T3231] veth1_macvtap: entered promiscuous mode [ 891.987681][ T3231] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 891.990580][ T3231] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 891.993079][ T3231] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 892.016497][ T3231] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 900.807671][ T3937] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 1781.310325][ T38] INFO: task syz.0.6:3947 blocked for more than 432 seconds. [ 1784.352683][ T38] Not tainted 6.16.0-rc7-syzkaller-g7b388bf7a9d9 #0 [ 1788.180945][ T38] Blocked by coredump. [ 1788.181963][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1790.649488][ T38] task:syz.0.6 state:D stack:0 pid:3947 tgid:3946 ppid:3231 task_flags:0x40044c flags:0x0000000c [ 1793.933149][ T38] Call Trace: [ 1798.800011][ T38] [] __schedule+0x105c/0x4088 [ 1802.816302][ T38] [] schedule+0xc4/0x35e [ 1802.820181][ T38] [] schedule_preempt_disabled+0x16/0x28 [ 1802.822740][ T38] [] rwsem_down_read_slowpath+0x426/0x78c [ 1805.679879][ T38] [] down_read+0xe4/0x456 [ 1805.681361][ T38] [] do_exit+0x6d8/0x28b6 [ 1805.682748][ T38] [] do_group_exit+0xd4/0x26c [ 1809.545889][ T38] [] get_signal+0x208c/0x230c [ 1809.549586][ T38] [] arch_do_signal_or_restart+0x76e/0x1cd4 [ 1809.552058][ T38] [] exit_to_user_mode_loop+0x90/0x134 VM DIAGNOSIS: 05:08:11 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff863fe7ee mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff864261a0 vstvec 0000000000000000 mepc ffffffff80091e3a sepc ffffffff8030a72c vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp 90163000000afefd x0/zero 0000000000000000 x1/ra ffffffff80235022 x2/sp ffff8f8000007a10 x3/gp ffffffff89e816e0 x4/tp ffffaf80126fb480 x5/t0 ffffaf806ece9220 x6/t1 fffff1ef00000f30 x7/t2 736174203a4f464e x8/s0 ffff8f8000007b30 x9/s1 ffffaf806ecfb080 x10/a0 ffffaf806ecfb080 x11/a1 ffffffffffffffff x12/a2 0000000000000000 x13/a3 0000000000000001 x14/a4 0000000000000000 x15/a5 0000000110b93bb8 x16/a6 fffff1ef00000f31 x17/a7 0000000000000003 x18/s2 ffffaf806ecfb140 x19/s3 ffffaf80126fb540 x20/s4 00000089b0257ee9 x21/s5 ffffaf801c353540 x22/s6 1ffff5f0024df6b6 x23/s7 ffffaf80126fb568 x24/s8 ffffaf80126fb5b0 x25/s9 0000000000c214c4 x26/s10 ffffaf80126fb480 x27/s11 0000000000000000 x28/t3 6d05111900000000 x29/t4 fffff1ef00000f30 x30/t5 fffff1ef00000f31 x31/t6 ffffffff8861a260 fcsr 0000000000000000 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 ffffffff8007b008 mhartid 0000000000000001 mstatus 0000000a000000a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff864261a0 vstvec 0000000000000000 mepc ffffffff804f7f6c sepc ffffffff80169d58 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp 9015d0000009844d x0/zero 0000000000000000 x1/ra ffffffff81a39c6e x2/sp ffff8f8000016c50 x3/gp ffffffff89e816e0 x4/tp ffffaf801912cec0 x5/t0 ffff8f8000016ee0 x6/t1 0000000000000002 x7/t2 fffffffff2f20000 x8/s0 ffff8f8000016ce0 x9/s1 0000000000000000 x10/a0 0000000003a60232 x11/a1 ffffaf8021b31e28 x12/a2 ffffffff86426476 x13/a3 0000000000000100 x14/a4 0000000000000000 x15/a5 0000000000000000 x16/a6 00000000000000f8 x17/a7 0000000041c67a4f x18/s2 0000000200000020 x19/s3 1ffff1f000002dc4 x20/s4 0000000000000000 x21/s5 dfffffff00000000 x22/s6 ffffffff8007adb4 x23/s7 0000000000000001 x24/s8 dfffffff00000000 x25/s9 0000000000007fff x26/s10 ffffffff864261a0 x27/s11 0000000000000000 x28/t3 627a5db700000000 x29/t4 fffffffef2237ea8 x30/t5 fffffffef2237ea9 x31/t6 0000000000000002 fcsr 0000000000000000 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