last executing test programs: 53.127541907s ago: executing program 0 (id=31): getpid() r0 = socket$inet6_tcp(0xa, 0x1, 0x0) close(r0) socket$inet6_mptcp(0xa, 0x1, 0x106) bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e22, 0x0, @empty, 0x4000006}, 0x1c) listen(r0, 0x8) r1 = socket$inet_mptcp(0x2, 0x1, 0x106) connect$inet(r1, &(0x7f0000000000)={0x2, 0x4e22, @remote}, 0x10) accept(r0, 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000740), 0xffffffffffffffff) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r2, &(0x7f0000000a80)={0x0, 0x0, &(0x7f0000000a40)={&(0x7f0000000980)=ANY=[@ANYRES16=r3, @ANYBLOB="010000000000fbdbdf25010000000800020000000000050005000000000008000300010000004800018005000200200000000600010002000000080006000a000000080003"], 0x84}}, 0x0) 49.652266396s ago: executing program 0 (id=33): r0 = landlock_create_ruleset(&(0x7f0000000000)={0x10, 0x0, 0x3}, 0x18, 0x0) landlock_restrict_self(r0, 0x0) r1 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) landlock_restrict_self(r0, 0x4) tkill(r1, 0x18) 45.166855346s ago: executing program 0 (id=35): socket$nl_netfilter(0x10, 0x3, 0xc) openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = socket$nl_xfrm(0x10, 0x3, 0x6) bind$netlink(r0, &(0x7f0000000080)={0x10, 0x0, 0x0, 0x1}, 0xc) r1 = socket$inet6(0xa, 0x80003, 0x6) connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000340)={{{@in=@broadcast, @in6=@dev, 0x0, 0xfffd, 0x0, 0x0, 0xa}, {0x0, 0x0, 0x4}, {0x0, 0x4, 0x1, 0xa78a}, 0xfffffffe, 0x0, 0x1}, {{@in=@broadcast, 0x0, 0x33}, 0x0, @in=@rand_addr=0x64010101, 0x0, 0x3, 0x1, 0x7}}, 0xe8) sendmmsg(r1, &(0x7f0000000480), 0x2e9, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f00000001c0)={0x500, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB], 0x50}}, 0x0) 31.130872039s ago: executing program 1 (id=39): r0 = socket(0x11, 0x3, 0x0) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f00000000c0)={'syz_tun\x00', {0x2, 0x4e24, @private=0xa010102}}) 26.482559257s ago: executing program 1 (id=40): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000013c0)={0x18, 0x3, &(0x7f0000000080)=@framed, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfffffffc}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi4\x00', 0x2, 0x0) ioctl$COMEDI_BUFCONFIG(r0, 0x8020640d, &(0x7f0000000000)={0x0, 0x200, 0x8001, 0x9}) 25.796408993s ago: executing program 0 (id=41): sendmsg$IPVS_CMD_SET_INFO(0xffffffffffffffff, 0x0, 0x44000) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000002c0)=ANY=[@ANYBLOB="480000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="00000000000000002800128009000100626f6e640000000018000280140008"], 0x48}}, 0x0) sendmmsg$inet(r0, &(0x7f0000005200)=[{{0x0, 0x4b, &(0x7f0000000000), 0x1}}], 0x1, 0x0) 23.112822201s ago: executing program 1 (id=42): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd}, 0x48) r2 = bpf$MAP_CREATE(0x0, 0x0, 0x0) r3 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000001c0)={r1, r2, 0x4, 0x0, @void}, 0x10) bpf$LINK_DETACH(0x22, &(0x7f00000002c0)=r3, 0x4) close_range(r0, 0xffffffffffffffff, 0x0) 19.217205411s ago: executing program 0 (id=43): r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd}, 0x48) r1 = bpf$MAP_CREATE(0x0, 0x0, 0x0) r2 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000001c0)={r0, r1, 0x4, 0x0, @void}, 0x10) bpf$LINK_DETACH(0x22, &(0x7f00000002c0)=r2, 0x4) 17.158354138s ago: executing program 1 (id=44): mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x3000)=nil, 0x7fffffffffffffff, 0x15) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="16000000000000006300000002"], 0x50) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f0000000080)={{r0, 0xffffffffffffffff}, 0x0, &(0x7f0000000040)}, 0x20) bpf$MAP_LOOKUP_ELEM(0x15, &(0x7f0000000200)={r1, 0x0, &(0x7f0000001780)=""/4096}, 0x20) 13.880299796s ago: executing program 0 (id=45): socket$nl_netfilter(0x10, 0x3, 0xc) openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = socket$nl_xfrm(0x10, 0x3, 0x6) bind$netlink(r0, &(0x7f0000000080)={0x10, 0x0, 0x0, 0x1}, 0xc) r1 = socket$inet6(0xa, 0x80003, 0x6) connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000340)={{{@in=@broadcast, @in6=@dev, 0x0, 0xfffd, 0x0, 0x0, 0xa}, {0x0, 0x0, 0x4}, {0x0, 0x4, 0x1, 0xa78a}, 0xfffffffe, 0x0, 0x1}, {{@in=@broadcast, 0x0, 0x33}, 0x0, @in=@rand_addr=0x64010101, 0x0, 0x3, 0x1, 0x7}}, 0xe8) sendmmsg(r1, &(0x7f0000000480), 0x2e9, 0x0) r2 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r2, &(0x7f00000001c0)={0x500, 0x0, &(0x7f0000000040)={&(0x7f0000000200)=ANY=[@ANYBLOB], 0x50}}, 0x0) 3.288308371s ago: executing program 1 (id=46): r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000013c0)={0x18, 0x3, &(0x7f0000000080)=@framed, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfffffffc}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000240)={0x0, r0}, 0x18) r1 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi4\x00', 0x2, 0x0) ioctl$COMEDI_BUFCONFIG(r1, 0x8020640d, &(0x7f0000000000)={0x0, 0x200, 0x8001, 0x9}) 0s ago: executing program 1 (id=47): syz_emit_ethernet(0x3b6, &(0x7f00000009c0)={@link_local, @local, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, '\x00', 0x380, 0x3a, 0xff, @dev, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a741e54006598080a8030000004023493b87aafaff0500ffffffe723732472eefa45ad96579269748e254c1e4a948b580a9bc430d3be27df3e34060000ca0a5c15b37adac15084dbaf736b41e5af1802"}, {0x0, 0x1, "000100000000001995319cff"}, {0x3, 0x18, "fe909393fe089393fe08f73eabc5977b1190a3a6ad8338f1511cdd10c35d8f6de79fc7fd175f75649fa368a32c829af02d7f44d92324a7051e460a13ddde25a5b85b9d930914625d8a049b4cf0d129806a610ad8477a2499a9a0527f75b655a6653d0363a979acf93f88eea07d68423e90280409de1657275f716a2bf2915d1783e8eb477b0d1170f0ecbdef4c23e1b76e9ab3d2fbe4b34438d2a77577edd0ebed9682b851b380ae0cab282af9d7ebe668177704c5fd4698c934de4731f3f61effc978"}, {0x0, 0x1d, "06aa85616177c61bc943afcb84619755403946b0730a18d5c38cf7dcad830f2dc8674b87ba8b58f81ece27975cc39e595e9af90b4fe92a38d25551c2d9ebfc5dfc5a2a501b7e483de3f808895c5f4a1a2367bc591dd8b094822ff0822a18b79f7c5eba31fb68b2d734a6671e27182aee4df24a4a5c6186c0d3baa75af390dab23b500b0c0272479611e4f7f4299ec4d926d443367b105185e6ecd9602ba95392343e9bbd047ef6bc1ba42399907ccd0a562db212baa39eb8164e240069f656d3a05fecf894222a141123f5acaa556b9f30dcab2b90aa235a670670ffc5dc49dfb58d89310000000000"}, {0x3, 0xb, "d47ae6e8805d4809c20547406b18901b0aeff04c0300f3c75dc2d227a83b89483b1084743475671545e65eb2e9ac946a3f0e2bc4619f91394c02bcfbbb7d71138537d68e2d2c6393a9f3becd1a9f51a948b5b303f4f022"}, {0x21, 0x2000000000000040, "fcf98a102ec1876d4e6fa3b20519bbaa8a029cee00b8d3485e3b63ed09bdb581c9fe68a356f542b043059ff05932e740e077e1d16212fb"}, {0x0, 0x14, "5e14f0e74d2d42cfb3f27fafb60845f90b6dfc87c6905bbc94d33e1ea71a28105f543e868a8a53b360a9d33e2b1e26eb1d18065daa76ffff9ef083611c9f6ae2e1eb3d8bf9c6ab2642c4828288e62afbf03269f1f98aea6a58cf45d7c5fdaabc2c676d8800871a6aa54155dea2d995cb22c9924e0ad38c6967052cc7786d779b8353aac33a57d79b05613a12328f61129017fb632dbf04542188b196e213408c258a6f"}, {0x0, 0x5, "d5170000dce9674a36da018dff16e70b8b14c4b7a94fe18e88605aa6be1a02c226a6bce65f81ed"}]}}}}}}, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:36689' (ED25519) to the list of known hosts. syzkaller login: [ 382.307941][ T3189] cgroup: Unknown subsys name 'net' [ 382.860186][ T3189] cgroup: Unknown subsys name 'cpuset' [ 383.008732][ T3189] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 444.498270][ T3189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 528.130185][ T3199] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 528.985990][ T3199] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 530.399794][ T3197] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 531.084767][ T3197] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 541.543973][ T3199] hsr_slave_0: entered promiscuous mode [ 541.594392][ T3199] hsr_slave_1: entered promiscuous mode [ 544.489467][ T3197] hsr_slave_0: entered promiscuous mode [ 544.509052][ T3197] hsr_slave_1: entered promiscuous mode [ 544.524192][ T3197] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 544.527066][ T3197] Cannot create hsr debugfs directory [ 551.117781][ T3199] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 551.392597][ T3199] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 551.592067][ T3199] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 552.028339][ T3199] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 553.418019][ T3197] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 553.559162][ T3197] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 553.785881][ T3197] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 553.909016][ T3197] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 565.704357][ T3199] 8021q: adding VLAN 0 to HW filter on device bond0 [ 566.228372][ T3197] 8021q: adding VLAN 0 to HW filter on device bond0 [ 608.106736][ T3199] veth0_vlan: entered promiscuous mode [ 608.650003][ T3199] veth1_vlan: entered promiscuous mode [ 610.247909][ T3199] veth0_macvtap: entered promiscuous mode [ 610.702804][ T3199] veth1_macvtap: entered promiscuous mode [ 612.076018][ T3197] veth0_vlan: entered promiscuous mode [ 613.063120][ T3197] veth1_vlan: entered promiscuous mode [ 613.332543][ T3199] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 613.336806][ T3199] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 613.338980][ T3199] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 613.344125][ T3199] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 615.978898][ T3197] veth0_macvtap: entered promiscuous mode [ 616.468564][ T3197] veth1_macvtap: entered promiscuous mode [ 618.269510][ T3199] 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. [ 618.777225][ T3197] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 618.779655][ T3197] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 618.785002][ T3197] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 618.787174][ T3197] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 629.345050][ T3908] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 632.214633][ T10] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 632.899952][ T10] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 632.917950][ T10] usb 2-1: New USB device found, idVendor=0471, idProduct=0304, bcdDevice=e4.df [ 632.926399][ T10] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 633.123589][ T10] usb 2-1: config 0 descriptor?? [ 642.874786][ T3923] xt_nat: multiple ranges no longer supported [ 648.067084][ T3192] usb 2-1: USB disconnect, device number 2 [ 671.635536][ T3924] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 675.536143][ T3924] usb 1-1: config 0 has an invalid interface number: 207 but max is 0 [ 675.538630][ T3924] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 675.623695][ T3924] usb 1-1: config 0 has no interface number 0 [ 676.736934][ T3924] usb 1-1: New USB device found, idVendor=12d1, idProduct=ed56, bcdDevice=46.dd [ 676.907655][ T3924] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 677.037549][ T3924] usb 1-1: Product: syz [ 677.113389][ T3924] usb 1-1: Manufacturer: syz [ 677.159283][ T3924] usb 1-1: SerialNumber: syz [ 678.946344][ T3924] usb 1-1: config 0 descriptor?? [ 684.117769][ T3924] usb 1-1: can't set config #0, error -110 [ 688.554119][ T3839] usb 1-1: USB disconnect, device number 2 [ 702.497509][ T3191] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 703.135663][ T3191] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 703.138531][ T3191] usb 2-1: New USB device found, idVendor=13ec, idProduct=0006, bcdDevice= 0.00 [ 703.143044][ T3191] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 703.299846][ T3191] usb 2-1: config 0 descriptor?? [ 706.004492][ T3191] zydacron 0003:13EC:0006.0001: unknown main item tag 0x0 [ 706.007190][ T3191] zydacron 0003:13EC:0006.0001: unknown main item tag 0x0 [ 706.008945][ T3191] zydacron 0003:13EC:0006.0001: unknown main item tag 0x0 [ 706.019998][ T3191] zydacron 0003:13EC:0006.0001: unknown main item tag 0x0 [ 706.033878][ T3191] zydacron 0003:13EC:0006.0001: unknown main item tag 0x0 [ 706.195696][ T3191] zydacron 0003:13EC:0006.0001: hidraw0: USB HID v0.01 Device [HID 13ec:0006] on usb-dummy_hcd.1-1/input0 [ 706.583806][ T3191] usb 2-1: USB disconnect, device number 3 [ 709.245743][ T3997] comedi comedi0: 8255: I/O port conflict (0xfffffffffffffffb,4) [ 709.249958][ T3997] comedi comedi0: 8255: I/O port conflict (0x6,4) [ 709.265411][ T3997] comedi comedi0: 8255: I/O port conflict (0xb,4) [ 709.268510][ T3997] comedi comedi0: 8255: I/O port conflict (0x8,4) [ 709.283863][ T3997] comedi comedi0: 8255: I/O port conflict (0xfffffffffffffffa,4) [ 709.288245][ T3997] comedi comedi0: 8255: I/O port conflict (0x2,4) [ 709.304065][ T3997] comedi comedi0: 8255: I/O port conflict (0xfffffffffffffffe,4) [ 709.306807][ T3997] comedi comedi0: 8255: I/O port conflict (0x8,4) [ 709.309343][ T3997] comedi comedi0: 8255: I/O port conflict (0x6,4) [ 709.343696][ T3997] comedi comedi0: 8255: I/O port conflict (0x7,4) [ 709.346584][ T3997] comedi comedi0: 8255: I/O port conflict (0x3,4) [ 709.349319][ T3997] comedi comedi0: 8255: I/O port conflict (0x7,4) [ 709.374214][ T3997] comedi comedi0: 8255: I/O port conflict (0x3,4) [ 709.377309][ T3997] comedi comedi0: 8255: I/O port conflict (0x10,4) [ 709.379689][ T3997] comedi comedi0: 8255: I/O port conflict (0x5,4) [ 709.405157][ T3997] comedi comedi0: 8255: I/O port conflict (0x9,4) [ 709.407775][ T3997] comedi comedi0: 8255: I/O port conflict (0x9,4) [ 709.410032][ T3997] comedi comedi0: 8255: I/O port conflict (0x5,4) [ 709.434997][ T3997] comedi comedi0: 8255: I/O port conflict (0xffffffffffffffff,4) [ 800.545727][ T4095] ------------[ cut here ]------------ [ 800.548056][ T4095] UBSAN: array-index-out-of-bounds in ./include/net/ipv6.h:616:34 [ 800.552516][ T4095] index 31 is out of range for type '__u8 [16]' [ 800.555821][ T4095] CPU: 0 UID: 0 PID: 4095 Comm: syz.1.47 Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0 PREEMPT [ 800.556944][ T4095] Hardware name: riscv-virtio,qemu (DT) [ 800.557558][ T4095] Call Trace: [ 800.557951][ T4095] [] dump_backtrace+0x2e/0x3c [ 800.560572][ T4095] [] show_stack+0x30/0x3c [ 800.561060][ T4095] [] dump_stack_lvl+0x12e/0x1a6 [ 800.561708][ T4095] [] dump_stack+0x1c/0x24 [ 800.562326][ T4095] [] ubsan_epilogue+0x14/0x46 [ 800.562757][ T4095] [] __ubsan_handle_out_of_bounds+0xf6/0xf8 [ 800.563299][ T4095] [] ip6_route_info_create+0x8f8/0x96e [ 800.563843][ T4095] [] ip6_route_add+0x2a/0x1aa [ 800.564475][ T4095] [] addrconf_prefix_route+0x2c4/0x4e8 [ 800.565054][ T4095] [] addrconf_prefix_rcv+0x1720/0x1e62 [ 800.565505][ T4095] [] ndisc_router_discovery+0x1a06/0x3504 [ 800.565967][ T4095] [] ndisc_rcv+0x500/0x600 [ 800.566427][ T4095] [] icmpv6_rcv+0x145e/0x1e0a [ 800.566981][ T4095] [] ip6_protocol_deliver_rcu+0x18a/0x1976 [ 800.567617][ T4095] [] ip6_input_finish+0xf4/0x174 [ 800.568270][ T4095] [] ip6_input+0x16a/0x70c [ 800.568857][ T4095] [] ip6_mc_input+0x5c8/0x1268 [ 800.569470][ T4095] [] ipv6_rcv+0x5ae/0x6e0 [ 800.570045][ T4095] [] __netif_receive_skb_one_core+0x106/0x16e [ 800.570771][ T4095] [] __netif_receive_skb+0x2c/0x144 [ 800.571422][ T4095] [] netif_receive_skb+0x1aa/0xbf2 [ 800.572092][ T4095] [] tun_rx_batched.isra.0+0x430/0x686 [ 800.572652][ T4095] [] tun_get_user+0x2952/0x3d6c [ 800.573151][ T4095] [] tun_chr_write_iter+0xc4/0x21c [ 800.573708][ T4095] [] vfs_write+0x56c/0xb12 [ 800.574218][ T4095] [] ksys_write+0x126/0x234 [ 800.574712][ T4095] [] __riscv_sys_write+0x6e/0xa0 [ 800.575215][ T4095] [] syscall_handler+0x94/0x118 [ 800.575725][ T4095] [] do_trap_ecall_u+0x396/0x530 [ 800.576419][ T4095] [] handle_exception+0x146/0x152 [ 800.608278][ T4095] ---[ end trace ]--- [ 800.610778][ T4095] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 800.613095][ T4095] CPU: 0 UID: 0 PID: 4095 Comm: syz.1.47 Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0 PREEMPT [ 800.614775][ T4095] Hardware name: riscv-virtio,qemu (DT) [ 800.615939][ T4095] Call Trace: [ 800.616979][ T4095] [] dump_backtrace+0x2e/0x3c [ 800.618552][ T4095] [] show_stack+0x30/0x3c [ 800.619993][ T4095] [] dump_stack_lvl+0x110/0x1a6 [ 800.621656][ T4095] [] dump_stack+0x1c/0x24 [ 800.623183][ T4095] [] panic+0x38c/0x86a [ 800.624558][ T4095] [] check_panic_on_warn+0xc0/0xe4 [ 800.626101][ T4095] [] ubsan_epilogue+0x3e/0x46 [ 800.627563][ T4095] [] __ubsan_handle_out_of_bounds+0xf6/0xf8 [ 800.629162][ T4095] [] ip6_route_info_create+0x8f8/0x96e [ 800.630698][ T4095] [] ip6_route_add+0x2a/0x1aa [ 800.632280][ T4095] [] addrconf_prefix_route+0x2c4/0x4e8 [ 800.633902][ T4095] [] addrconf_prefix_rcv+0x1720/0x1e62 [ 800.635289][ T4095] [] ndisc_router_discovery+0x1a06/0x3504 [ 800.636853][ T4095] [] ndisc_rcv+0x500/0x600 [ 800.638254][ T4095] [] icmpv6_rcv+0x145e/0x1e0a [ 800.639764][ T4095] [] ip6_protocol_deliver_rcu+0x18a/0x1976 [ 800.641568][ T4095] [] ip6_input_finish+0xf4/0x174 [ 800.643133][ T4095] [] ip6_input+0x16a/0x70c [ 800.644703][ T4095] [] ip6_mc_input+0x5c8/0x1268 [ 800.646329][ T4095] [] ipv6_rcv+0x5ae/0x6e0 [ 800.647817][ T4095] [] __netif_receive_skb_one_core+0x106/0x16e [ 800.649537][ T4095] [] __netif_receive_skb+0x2c/0x144 [ 800.651535][ T4095] [] netif_receive_skb+0x1aa/0xbf2 [ 800.653213][ T4095] [] tun_rx_batched.isra.0+0x430/0x686 [ 800.654741][ T4095] [] tun_get_user+0x2952/0x3d6c [ 800.656263][ T4095] [] tun_chr_write_iter+0xc4/0x21c [ 800.657910][ T4095] [] vfs_write+0x56c/0xb12 [ 800.661088][ T4095] [] ksys_write+0x126/0x234 [ 800.662537][ T4095] [] __riscv_sys_write+0x6e/0xa0 [ 800.664084][ T4095] [] syscall_handler+0x94/0x118 [ 800.665532][ T4095] [] do_trap_ecall_u+0x396/0x530 [ 800.667142][ T4095] [] handle_exception+0x146/0x152 [ 800.669195][ T4095] SMP: stopping secondary CPUs [ 800.673339][ T4095] Rebooting in 86400 seconds.. VM DIAGNOSIS: 05:30:35 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff804eba10 mhartid 0000000000000000 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff8634d254 vstvec 0000000000000000 mepc ffffffff85b8c6b0 sepc ffffffff81a1cf38 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp 901e6000000b00c4 x0/zero 0000000000000000 x1/ra ffffffff863019f2 x2/sp ffff8f800cbf6210 x3/gp ffffffff89c83e20 x4/tp ffffaf8029870000 x5/t0 ffff8f800cbf6684 x6/t1 fffffffef1391a5c x7/t2 7261203a4e415342 x8/s0 ffff8f800cbf6480 x9/s1 ffff8f800cbf65c4 x10/a0 0000000000000005 x11/a1 0000000000000000 x12/a2 0000000000080000 x13/a3 ffffffff863056cc x14/a4 ffff8f80079b5a88 x15/a5 000000000003ba90 x16/a6 0000000000000003 x17/a7 fffffffff2000000 x18/s2 ffffffff89d7ceeb x19/s3 0000000089d7cee3 x20/s4 ffff8f800cbf62e0 x21/s5 ffff8f800cbf65a8 x22/s6 0000000000000009 x23/s7 ffffffff89d7cee3 x24/s8 dfffffff00000000 x25/s9 1ffff1f00197ec4c x26/s10 0000000000000000 x27/s11 0000000000000008 x28/t3 1ffff1f00197ecf0 x29/t4 fffffffef1391a5c x30/t5 fffffffef1391a5d x31/t6 ffff8f800cbf65a8 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 ffffffff801d7e68 mhartid 0000000000000001 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff8634d254 vstvec 0000000000000000 mepc ffffffff8008eba2 sepc ffffffff80a6a000 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp 90133000000b00a3 x0/zero 0000000000000000 x1/ra ffffffff836c418e x2/sp ffff8f800d2678f0 x3/gp ffffffff89c83e20 x4/tp ffffaf801996cec0 x5/t0 ffff8f800d267800 x6/t1 fffffffffbb6ec43 x7/t2 000000003117e1a6 x8/s0 ffff8f800d2678b0 x9/s1 000000000000000e x10/a0 0000000000000001 x11/a1 0000000000000039 x12/a2 0000000000000039 x13/a3 ffffffff85185fda x14/a4 0000000000000000 x15/a5 ffffaf801996dec0 x16/a6 0000000000000003 x17/a7 00000000262437f5 x18/s2 000000000000002e x19/s3 ffffffff870c1824 x20/s4 dfffffff00000000 x21/s5 0000000000000001 x22/s6 000000000000c000 x23/s7 000000000000c000 x24/s8 ffffaf80307e600e x25/s9 0000000000010000 x26/s10 ffffaf80307e4022 x27/s11 ffffaf8019494c00 x28/t3 000000000000005b x29/t4 ffff8f800d267500 x30/t5 0000000023f81f37 x31/t6 ffffaf80307e600c 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