last executing test programs: 182.814717ms ago: executing program 0 (id=1): r0 = syz_clone(0x80100000, 0x0, 0x0, 0x0, 0x0, 0x0) r1 = syz_open_procfs(0x0, &(0x7f00000000c0)='task\x00') syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[], 0x0) fchdir(r1) mount(0x0, &(0x7f0000000040)='.\x00', &(0x7f0000000000)='proc\x00', 0x10084, 0x0) syz_open_procfs(r0, &(0x7f0000000140)='net/ip6_flowlabel\x00') 0s ago: executing program 1 (id=2): bpf$MAP_CREATE(0x0, &(0x7f00000016c0)=ANY=[@ANYRES32], 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x7, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f00000000c0)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbee6, 0x8031, 0xffffffffffffffff, 0xffffd000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$BLKTRACESETUP(0xffffffffffffffff, 0xc0481273, &(0x7f0000019080)={'\x00', 0x7, 0x401, 0x7, 0xfffffffffffffffe, 0x7c, r0}) waitid(0x2, r3, &(0x7f0000019100), 0x8, &(0x7f0000019180)) setrlimit(0x6, &(0x7f0000019240)={0xfffffffffffffff8, 0xfffffffffffffffd}) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) sync() gettid() socket$nl_netfilter(0x10, 0x3, 0xc) r4 = syz_open_procfs(0x0, &(0x7f0000000040)='net/route\x00') pread64(r4, 0x0, 0x0, 0x200) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:14806' (ED25519) to the list of known hosts. syzkaller login: [ 83.996979][ T3313] cgroup: Unknown subsys name 'net' [ 84.252045][ T3313] cgroup: Unknown subsys name 'cpuset' [ 84.268178][ T3313] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 84.662410][ T3313] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 95.027685][ T3319] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.041964][ T3319] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.253886][ T3318] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.271884][ T3318] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.163968][ T3319] hsr_slave_0: entered promiscuous mode [ 96.170391][ T3319] hsr_slave_1: entered promiscuous mode [ 96.403344][ T3318] hsr_slave_0: entered promiscuous mode [ 96.408104][ T3318] hsr_slave_1: entered promiscuous mode [ 96.413980][ T3318] debugfs: 'hsr0' already exists in 'hsr' [ 96.416599][ T3318] Cannot create hsr debugfs directory [ 97.305912][ T3319] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 97.332661][ T3319] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 97.371509][ T3319] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 97.417487][ T3319] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 97.590458][ T3318] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.601797][ T3318] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.616029][ T3318] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.642124][ T3318] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.507615][ T3319] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.644145][ T3318] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.317695][ T3318] veth0_vlan: entered promiscuous mode [ 101.394185][ T3318] veth1_vlan: entered promiscuous mode [ 101.455011][ T3319] veth0_vlan: entered promiscuous mode [ 101.517473][ T3319] veth1_vlan: entered promiscuous mode [ 101.670433][ T3318] veth0_macvtap: entered promiscuous mode [ 101.693463][ T3318] veth1_macvtap: entered promiscuous mode [ 101.702026][ T3319] veth0_macvtap: entered promiscuous mode [ 101.727511][ T3319] veth1_macvtap: entered promiscuous mode [ 101.851590][ T713] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.852529][ T713] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.853609][ T713] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.853937][ T713] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.078002][ T165] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.090722][ T165] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.092791][ T165] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.095868][ T165] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.305895][ T3318] 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. [ 103.349949][ T38] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 103.489463][ T38] usb 1-1: device descriptor read/64, error -71 [ 103.761720][ T38] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 103.989303][ T38] usb 1-1: device descriptor read/64, error -71 [ 104.215623][ T38] usb usb1-port1: attempt power cycle [ 105.273227][ T38] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 105.313662][ T3474] INFO: The task syz.1.2:3474 has been waiting for writeback completion for more than 1 seconds. SYZFAIL: failed to recv rpc [ 105.314087][ T3474] INFO: The task syz.1.2:3474 has been waiting for writeback completion for more than 1 seconds. [ 105.341665][ T3474] INFO: The task syz.1.2:3474 has been waiting for writeback completion for more than 1 seconds. [ 105.342079][ T3474] INFO: The task syz.1.2:3474 has been waiting for writeback completion for more than 1 seconds. [ 105.348033][ T38] usb 1-1: device descriptor read/8, error -71 fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 105.354476][ T3474] INFO: The task syz.1.2:3474 has been waiting for writeback completion for more than 1 seconds. [ 106.116098][ T38] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 106.148119][ T38] usb 1-1: device descriptor read/8, error -71 [ 106.274720][ T38] usb usb1-port1: unable to enumerate USB device [ 106.878966][ T40] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.954568][ T40] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.034150][ T40] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.115601][ T40] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.925144][ T40] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 107.965938][ T40] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 107.995596][ T40] bond0 (unregistering): Released all slaves [ 108.124880][ T40] hsr_slave_0: left promiscuous mode [ 108.129291][ T40] hsr_slave_1: left promiscuous mode [ 108.145495][ T40] veth1_macvtap: left promiscuous mode [ 108.145987][ T40] veth0_macvtap: left promiscuous mode [ 108.146391][ T40] veth1_vlan: left promiscuous mode [ 108.146769][ T40] veth0_vlan: left promiscuous mode [ 109.335055][ T40] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.410702][ T40] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.484043][ T40] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 109.552255][ T40] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 110.057668][ T40] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 110.084953][ T40] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 110.126262][ T40] bond0 (unregistering): Released all slaves [ 110.229119][ T40] hsr_slave_0: left promiscuous mode [ 110.233065][ T40] hsr_slave_1: left promiscuous mode [ 110.257539][ T40] veth1_macvtap: left promiscuous mode [ 110.259456][ T40] veth0_macvtap: left promiscuous mode [ 110.260499][ T40] veth1_vlan: left promiscuous mode [ 110.261645][ T40] veth0_vlan: left promiscuous mode VM DIAGNOSIS: 11:05:29 Registers: info registers vcpu 0 CPU#0 PC=ffff800080012164 X00=fbf0000004270000 X01=0000000000000000 X02=0000000000000000 X03=ffff800083424000 X04=ffff800083424000 X05=ffff800082deb738 X06=ffff800083423500 X07=ffff800083423fe8 X08=fbf0000004270000 X09=0000000000002820 X10=ffff800082debd78 X11=000000000000005a X12=0000000000000001 X13=0000000000000001 X14=000000000000030a X15=0000000000000000 X16=ffff800082de8000 X17=fff07ffffcef4000 X18=0000000000000006 X19=ffff800080171398 X20=ffff800082deb750 X21=fbf0000004270000 X22=0000000000000000 X23=6ccf800080171590 X24=0000000000000000 X25=0000000000000001 X26=00000000000000e8 X27=faf00000032a9100 X28=f2f000000ab64810 X29=ffff800082deb640 X30=ffff800081b85ac0 SP=ffff800082deb640 PSTATE=004023c9 ---- EL2h SVCR=00000000 -- BTYPE=0 FPCR=00000000 FPSR=00000000 P00=0000000000000000 P01=0000000000000000 P02=0000000000000000 P03=0000000000000000 P04=0000000000000000 P05=0000000000000000 P06=0000000000000000 P07=0000000000000000 P08=0000000000000000 P09=0000000000000000 P10=0000000000000000 P11=0000000000000000 P12=0000000000000000 P13=0000000000000000 P14=0000000000000000 P15=0000000000000000 FFR=0000000000000000 Z00=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:162a058bc05f6bd5 Z01=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z02=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z03=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000028:00000000c9ab49b7 Z04=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z05=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z06=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:6edc4d3a2914b135:d8e9c869e2695c88 Z07=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:b20fae707afde253:388e9c6c4fa85ca0 Z08=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z16=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000ffffc56559c0:0000ffffc56559c0 Z17=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:ffffff80ffffffd0:0000ffffc5655990 Z18=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 info registers vcpu 1 CPU#1 PC=ffff800081b8787c X00=ffff800081b87878 X01=ffff800081463e88 X02=0000000000000000 X03=7fffffffffffffff X04=0000000000000041 X05=000000187ad51500 X06=000000187a3c7e80 X07=7fffffffffffffff X08=000000187a3c7e80 X09=ffff800082a045f0 X10=00000000000002b5 X11=0000000000000005 X12=0000000000000000 X13=0000000000000001 X14=00000000000002b5 X15=0000000000000000 X16=ffff800082df0000 X17=fff07ffffcf0d000 X18=0000000000000000 X19=ffff800082d18cc0 X20=00000018727cda00 X21=0000000000004ef2 X22=000000187a44c704 X23=0000000000000003 X24=7fffffffffffffff X25=fff000007f8e9b0c X26=fff000007f8e9c30 X27=fff000007f8e9bf0 X28=fff000007f8e9bb0 X29=ffff800082df3e60 X30=ffff800081463ea0 SP=ffff800082df3e60 PSTATE=614020c9 -ZC- EL2h SVCR=00000000 -- BTYPE=0 FPCR=00000000 FPSR=00000000 P00=0000000000000000 P01=0000000000000000 P02=0000000000000000 P03=0000000000000000 P04=0000000000000000 P05=0000000000000000 P06=0000000000000000 P07=0000000000000000 P08=0000000000000000 P09=0000000000000000 P10=0000000000000000 P11=0000000000000000 P12=0000000000000000 P13=0000000000000000 P14=0000000000000000 P15=0000000000000000 FFR=0000000000000000 Z00=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:2525252525252525:2525252525252525 Z01=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:6572207265767265:730073250a0d0a0d Z02=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:65726f6d20726f66:206e6f6974656c70 Z03=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:00ff00ff00000000 Z04=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:000000000f0f0000 Z05=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:74696177206e6565:6220736168203437 Z06=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:6620676e69746961:77206e6565622073 Z07=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:6d6f63206b636162:657469727720726f Z08=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z16=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000ffffc9239650:0000ffffc9239650 Z17=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:ffffff80ffffffd8:0000ffffc9239620 Z18=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000