last executing test programs: 28.344818517s ago: executing program 1 (id=77): r0 = io_uring_setup(0x497c, &(0x7f00000001c0)) close_range(r0, 0xffffffffffffffff, 0x0) r1 = socket$unix(0x1, 0x3, 0x0) bind$unix(r1, &(0x7f00000006c0)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) r2 = socket$unix(0x1, 0x2, 0x0) connect$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) sendmmsg(r2, &(0x7f0000002dc0), 0x307017fdb7a66cb, 0x0) 23.142631179s ago: executing program 1 (id=79): r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)=ANY=[@ANYBLOB="120100009e173610ef171e7206d3010243010902120001000000000904000000"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000b00)={0x84, &(0x7f0000000640)=ANY=[@ANYBLOB="000911"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 13.721078593s ago: executing program 0 (id=82): r0 = socket$vsock_stream(0x28, 0x1, 0x0) bind$vsock_stream(r0, &(0x7f0000000040)={0x28, 0x0, 0x2710, @host}, 0x10) listen(r0, 0x0) r1 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r1, &(0x7f0000000080)={0x28, 0x0, 0x2710}, 0x10) r2 = accept4(r0, 0x0, 0x0, 0x0) connect$inet6(r2, 0x0, 0x0) 11.131396248s ago: executing program 0 (id=83): mount$fuse(0x0, 0x0, 0x0, 0x2000, &(0x7f0000000300)=ANY=[@ANYBLOB='fd=', @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC, @ANYBLOB=',']) r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/profiling', 0x2, 0x0) write$FUSE_NOTIFY_STORE(r0, 0x0, 0x28) 8.711502435s ago: executing program 0 (id=84): sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)=[{&(0x7f00000001c0)="d8000000180081064e81f782db4cb904021d080006007c09e8fe55a10a0015000400142603600e1208000f0000000401a8001600200006400300000b035c0461c1d60008000000000000fb8000a0e408e8d8ef52a98516277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe7c9f8775730d16a4683f5aeb4edbb57a5025ccca9e00360db70100000040fad95667e006dcdf63951f0f49e119c849ea6e5a0fc55e4cde205a214d6102d6dcbf33fb5ce3bb9ad809d5e1cace81ed0bffece0b42a9ecbee5de6cc", 0xd8}], 0x1}, 0x8000) r0 = socket(0x10, 0x3, 0x0) sendmmsg(r0, 0x0, 0x0, 0x0) 7.546464875s ago: executing program 1 (id=85): r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000200)={'veth1_to_bridge\x00', 0x0}) r2 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_inet6_SIOCSIFADDR(r2, 0x8916, &(0x7f0000000100)={@local, 0x0, r1}) r3 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_inet6_SIOCADDRT(r3, 0x890b, &(0x7f0000000140)={@mcast2, @mcast1, @private2, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa0022}) ioctl$sock_inet6_SIOCADDRT(r3, 0x890b, &(0x7f0000000240)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', @remote, @dev={0xfe, 0x80, '\x00', 0xe}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4400046, r1}) r4 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000000)={'veth1_to_bridge\x00', 0x0}) r6 = socket$inet6_mptcp(0xa, 0x1, 0x106) ioctl$sock_inet6_SIOCADDRT(r6, 0x890b, &(0x7f0000000540)={@remote, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, r5}) ioctl$sock_inet_SIOCSIFFLAGS(0xffffffffffffffff, 0x8914, &(0x7f0000000100)={'veth1_to_bridge\x00'}) 6.105841061s ago: executing program 0 (id=86): r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000300)={0x73622a85, 0x1}) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000400)=[@increfs], 0x0, 0x0, 0x0}) r2 = dup3(r1, r0, 0x0) r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0) mmap$binder(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x1, 0x11, r3, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f0000000040)) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f0000000280)={0x4c, 0x0, &(0x7f0000000680)=[@transaction_sg={0x40486311, {0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000600)={0x4c, 0x0, &(0x7f0000000480)=[@transaction_sg={0x40486311, {0x1, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0xfffffffffffffd8e, 0x0, 0x0}}], 0x0, 0x0, 0x0}) 5.019481408s ago: executing program 1 (id=87): r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect$can_bcm(r0, &(0x7f0000000040), 0x10) r1 = socket$can_j1939(0x1d, 0x2, 0x7) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000600)={'vxcan1\x00', 0x0}) sendmsg$can_bcm(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x1d, r2}, 0x10, &(0x7f0000000480)={&(0x7f0000000400)={0x1, 0x0, 0x0, {}, {}, {}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "1d75c53a7071a445"}}, 0x48}}, 0x0) sendmsg$can_bcm(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x2, 0xd790a2e53b9f9fd3, 0x0, {}, {0x0, 0x2710}, {}, 0x1, @canfd={{}, 0x0, 0x0, 0x0, 0x0, "cd62c760d19ac7527f5bcba29ae8684410fbd559403cd6ad9588e73fb89bd85b453d350030273b0390343338cbedcda38af6b44ef031d23bff0e18ffbb916dd8"}}, 0x80}}, 0x0) 2.831355772s ago: executing program 0 (id=88): mount$fuse(0x0, 0x0, 0x0, 0x2000, &(0x7f0000000300)=ANY=[@ANYBLOB='fd=', @ANYBLOB=',rootmode=00000000000000000040000,user_id=', @ANYRESDEC, @ANYBLOB=',']) r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/profiling', 0x2, 0x0) write$FUSE_NOTIFY_STORE(r0, 0x0, 0x28) 2.594121555s ago: executing program 1 (id=89): openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_MCAST_JOIN_GROUP(r0, 0x0, 0x2a, &(0x7f0000000000)={0x6, {{0x2, 0x0, @loopback}}}, 0x88) getsockopt$inet_buf(r0, 0x0, 0x30, &(0x7f0000000000)=""/4091, &(0x7f0000001000)=0xffb) 84.281616ms ago: executing program 0 (id=90): syz_emit_ethernet(0x3b6, &(0x7f0000000800)={@local, @remote, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cedd00", 0x380, 0x3a, 0xff, @remote, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [{0x3, 0xa, "a78ce54006598080a8030037004023493b87aafaffffffffffffff23732472eefa45ad96579269748e254c1e4a8a8b3f0ab0c430d3be27df3e34066d42ca0a5c15b37adac15084dbaf736b41e5af2502"}, {0x0, 0x1, "000000050000000026000400"}, {0x3, 0x18, "fe906d26efe39393fe08f73eabc5977b1190a3a6ad8338f1511cdd10c35d8f6de79fc7fd175f75649fa368a32c829af02d7f44d92324a7051e460a13ddde25a5b85b9d930914625d8a049b4cf0d129806a610ad8477a2499a9a0527f75b655a6653d0363a979acf93f88eea07d68423e90280409de1657275f716a2bf2915d1783e8eb477b0d1170f0ecbdef4c23e1b76e9ab3d2fbe4b34438d2a77577edd0ebed9682b851b380ae0cab282af9d7ebe668177704c5fd4698c934de4731f3f61effc978"}, {0x0, 0x1d, "06aa85616177c41bc943afcb84619755403946b0730a18d5c38cf7dcad830f2dc8674b87ba8b58f81ece27975cc39e595e9af90b4fe92a38d25551c2d9ebfc5dfc5a2a501b7e483de3f808895c5f4a1a2367bc591dd8b094822ff0dea07c9a1f643c822a18b79f7c5eba31fb68b2d734a6671e27182aee96f24a4a5cf390dab23b500b0c0272479611e4f7f4299ec4d926d443367b105185e6ecd9602ba95392343e9bbd047ef6bc1ba42399907ccd0a562db212baa39eb8164e240069f656d3a05fecf894222a141123f5ac010000000000000090aa235a670670ffc5dc49dfb58d00000000000000"}, {0x0, 0xb, "17dcea46805d4809c20547406b18901b0aeff04c0300f3c75dc2d227a83b89483b1084743475671545e65eb2e9ac946a3f0e2bc4619f91394c02bcfbbb7d71138537d68e2d2c6393a9f3becd1a9f51a948b5b303f4f019"}, {0x21, 0x7, "b8a3e100908f61640000000200fe80ffff00000000000000ff0bc0fe00000000008879e66485201a0015ca83747357a027450004000000"}, {0x0, 0x14, "5e14f0e74d2d42cfb3f27fafb60845f90b6dfc2e37bc87c6905bbc94d33e1ea71a28105f543e868a8a53b360a9d33e2b1e26eb1d18065daa7628cf9ef083611c9f6ae2e1eb3d8bf9c6ab2642c4808288e62afbf03269f1f98aea6ab3beb5fdc5fdaabc2c676d8800871a6aa54155dea2d995cb22c9924e0ad38c6967052cc7786d779b8353aac33a57d79b05613a12328f61129017fb632dbf04542188b196e213408c"}, {0x0, 0x5, "d5170000dce9674a36da018dff16e70b8b14c4b7a94fe18e88605aa6be1a02a326a6bce65f81ed"}]}}}}}}, 0x0) 0s ago: executing program 1 (id=91): sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000180)=[{&(0x7f00000001c0)="d8000000180081064e81f782db4cb904021d080006007c09e8fe55a10a0015000400142603600e1208000f0000000401a8001600200006400300000b035c0461c1d60008000000000000fb8000a0e408e8d8ef52a98516277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe7c9f8775730d16a4683f5aeb4edbb57a5025ccca9e00360db70100000040fad95667e006dcdf63951f0f49e119c849ea6e5a0fc55e4cde205a214d6102d6dcbf33fb5ce3bb9ad809d5e1cace81ed0bffece0b42a9ecbee5de6cc", 0xd8}], 0x1}, 0x8000) r0 = socket(0x10, 0x3, 0x0) sendmmsg(r0, 0x0, 0x0, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:21495' (ED25519) to the list of known hosts. syzkaller login: [ 382.056125][ T3183] cgroup: Unknown subsys name 'net' [ 382.593134][ T3183] cgroup: Unknown subsys name 'cpuset' [ 382.663095][ T3183] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 446.448282][ T3183] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 532.050979][ T3194] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 532.266065][ T3194] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 534.979301][ T3195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 535.160970][ T3195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 544.037127][ T3194] hsr_slave_0: entered promiscuous mode [ 544.097797][ T3194] hsr_slave_1: entered promiscuous mode [ 547.759349][ T3195] hsr_slave_0: entered promiscuous mode [ 547.788059][ T3195] hsr_slave_1: entered promiscuous mode [ 547.803514][ T3195] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 547.806469][ T3195] Cannot create hsr debugfs directory [ 553.738019][ T3194] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 554.265612][ T3194] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 554.320260][ T3194] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 554.516149][ T3194] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 555.321892][ T3195] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 555.516892][ T3195] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 555.661008][ T3195] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 556.115158][ T3195] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 567.618233][ T3195] 8021q: adding VLAN 0 to HW filter on device bond0 [ 568.848881][ T3194] 8021q: adding VLAN 0 to HW filter on device bond0 [ 609.747179][ T3194] veth0_vlan: entered promiscuous mode [ 610.256140][ T3194] veth1_vlan: entered promiscuous mode [ 612.161558][ T3194] veth0_macvtap: entered promiscuous mode [ 612.469313][ T3194] veth1_macvtap: entered promiscuous mode [ 613.436364][ T3195] veth0_vlan: entered promiscuous mode [ 614.188524][ T3195] veth1_vlan: entered promiscuous mode [ 614.397014][ T3194] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 614.399070][ T3194] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 614.400304][ T3194] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 614.401461][ T3194] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 616.880363][ T3195] veth0_macvtap: entered promiscuous mode [ 617.269637][ T3195] veth1_macvtap: entered promiscuous mode [ 618.291066][ T3194] 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. [ 619.189963][ T3195] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 619.198982][ T3195] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 619.201056][ T3195] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 619.207929][ T3195] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 632.254566][ T3893] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 632.786939][ T3893] usb 1-1: Using ep0 maxpacket: 16 [ 632.935646][ T3893] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 632.938975][ T3893] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 632.961563][ T3893] usb 1-1: New USB device found, idVendor=05ac, idProduct=8241, bcdDevice= 0.00 [ 632.971401][ T3893] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 633.216806][ T3893] usb 1-1: config 0 descriptor?? [ 634.645484][ T3893] appleir 0003:05AC:8241.0001: unknown main item tag 0x0 [ 634.648123][ T3893] appleir 0003:05AC:8241.0001: unknown main item tag 0x0 [ 634.649914][ T3893] appleir 0003:05AC:8241.0001: unknown main item tag 0x0 [ 634.651668][ T3893] appleir 0003:05AC:8241.0001: unknown main item tag 0x0 [ 634.694978][ T3893] appleir 0003:05AC:8241.0001: unknown main item tag 0x0 [ 634.798919][ T3893] appleir 0003:05AC:8241.0001: No inputs registered, leaving [ 635.278555][ T3893] appleir 0003:05AC:8241.0001: hiddev0,hidraw0: USB HID v0.00 Device [HID 05ac:8241] on usb-dummy_hcd.0-1/input0 [ 636.656692][ T3823] usb 1-1: reset high-speed USB device number 2 using dummy_hcd [ 638.963207][ T3893] usb 1-1: USB disconnect, device number 2 [ 669.245856][ T3815] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 669.455151][ T3815] usb 2-1: Using ep0 maxpacket: 16 [ 669.536523][ T3815] usb 2-1: config 1 interface 1 altsetting 1 endpoint 0x1 has an invalid bInterval 0, changing to 7 [ 669.540314][ T3815] usb 2-1: config 1 interface 1 altsetting 1 endpoint 0x1 has invalid wMaxPacketSize 0 [ 669.548832][ T3815] usb 2-1: config 1 interface 2 altsetting 1 endpoint 0x82 has an invalid bInterval 0, changing to 7 [ 669.709202][ T3815] usb 2-1: New USB device found, idVendor=1d6b, idProduct=0101, bcdDevice= 0.40 [ 669.711615][ T3815] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 669.715550][ T3815] usb 2-1: Product: syz [ 669.717132][ T3815] usb 2-1: Manufacturer: syz [ 669.718889][ T3815] usb 2-1: SerialNumber: syz [ 671.537383][ T3815] usb 2-1: 2:1: All rates were zero [ 672.654870][ T3815] usb 2-1: USB disconnect, device number 2 [ 675.149844][ T3993] binder_alloc: 3990: binder_alloc_buf, no vma [ 689.408731][ T4008] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 699.208110][ T4018] binder_alloc: 4017: binder_alloc_buf, no vma [ 717.026179][ T4037] Zero length message leads to an empty skb [ 723.832787][ C0] vkms_vblank_simulate: vblank timer overrun [ 748.929617][ T4078] netlink: 4 bytes leftover after parsing attributes in process `syz.0.64'. [ 773.838096][ T3835] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 774.054477][ T3835] usb 1-1: Using ep0 maxpacket: 16 [ 774.146167][ T3835] usb 1-1: config 0 has an invalid interface number: 149 but max is 0 [ 774.148934][ T3835] usb 1-1: config 0 has no interface number 0 [ 774.151463][ T3835] usb 1-1: New USB device found, idVendor=046d, idProduct=0897, bcdDevice=12.e1 [ 774.163376][ T3835] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 774.371763][ T3835] usb 1-1: config 0 descriptor?? [ 775.470327][ T3835] usb 1-1: string descriptor 0 read error: -71 [ 776.079214][ T3835] usb 1-1: USB disconnect, device number 3 [ 785.945423][ T36] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 786.200280][ T36] usb 2-1: Using ep0 maxpacket: 16 [ 786.704970][ T36] usb 2-1: New USB device found, idVendor=17ef, idProduct=721e, bcdDevice=d3.06 [ 786.708761][ T36] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=67 [ 786.710891][ T36] usb 2-1: Product: syz [ 786.726317][ T36] usb 2-1: Manufacturer: syz [ 786.728227][ T36] usb 2-1: SerialNumber: syz [ 786.936341][ T36] r8152-cfgselector 2-1: Unknown version 0x0000 [ 786.939511][ T36] r8152-cfgselector 2-1: config 0 descriptor?? [ 799.371035][ T3835] r8152-cfgselector 2-1: USB disconnect, device number 3 [ 803.468325][ T4151] binder_alloc: 4150: binder_alloc_buf size -624 failed, no address space [ 803.493871][ T4151] binder_alloc: allocated: 8 (num: 1 largest: 8), free: 8184 (num: 1 largest: 8184) [ 808.715210][ T4161] ------------[ cut here ]------------ [ 808.717543][ T4161] UBSAN: array-index-out-of-bounds in ./include/net/ipv6.h:616:34 [ 808.719794][ T4161] index 20 is out of range for type '__u8 [16]' [ 808.725636][ T4161] CPU: 1 UID: 0 PID: 4161 Comm: syz.0.90 Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0 PREEMPT [ 808.726631][ T4161] Hardware name: riscv-virtio,qemu (DT) [ 808.727324][ T4161] Call Trace: [ 808.727716][ T4161] [] dump_backtrace+0x2e/0x3c [ 808.729196][ T4161] [] show_stack+0x30/0x3c [ 808.729458][ T4161] [] dump_stack_lvl+0x12e/0x1a6 [ 808.729880][ T4161] [] dump_stack+0x1c/0x24 [ 808.730296][ T4161] [] ubsan_epilogue+0x14/0x46 [ 808.730538][ T4161] [] __ubsan_handle_out_of_bounds+0xf6/0xf8 [ 808.730888][ T4161] [] ip6_route_info_create+0x8f8/0x96e [ 808.731185][ T4161] [] ip6_route_add+0x2a/0x1aa [ 808.731501][ T4161] [] addrconf_prefix_route+0x2c4/0x4e8 [ 808.731857][ T4161] [] addrconf_prefix_rcv+0x1720/0x1e62 [ 808.732143][ T4161] [] ndisc_router_discovery+0x1a06/0x3504 [ 808.732461][ T4161] [] ndisc_rcv+0x500/0x600 [ 808.732717][ T4161] [] icmpv6_rcv+0x145e/0x1e0a [ 808.733015][ T4161] [] ip6_protocol_deliver_rcu+0x18a/0x1976 [ 808.733394][ T4161] [] ip6_input_finish+0xf4/0x174 [ 808.733754][ T4161] [] ip6_input+0x16a/0x70c [ 808.734102][ T4161] [] ip6_mc_input+0x5c8/0x1268 [ 808.734421][ T4161] [] ipv6_rcv+0x5ae/0x6e0 [ 808.734735][ T4161] [] __netif_receive_skb_one_core+0x106/0x16e [ 808.735106][ T4161] [] __netif_receive_skb+0x2c/0x144 [ 808.735654][ T4161] [] netif_receive_skb+0x1aa/0xbf2 [ 808.736289][ T4161] [] tun_rx_batched.isra.0+0x430/0x686 [ 808.736851][ T4161] [] tun_get_user+0x2952/0x3d6c [ 808.737383][ T4161] [] tun_chr_write_iter+0xc4/0x21c [ 808.737937][ T4161] [] vfs_write+0x56c/0xb12 [ 808.738453][ T4161] [] ksys_write+0x126/0x234 [ 808.738973][ T4161] [] __riscv_sys_write+0x6e/0xa0 [ 808.739494][ T4161] [] syscall_handler+0x94/0x118 [ 808.740022][ T4161] [] do_trap_ecall_u+0x396/0x530 [ 808.740661][ T4161] [] handle_exception+0x146/0x152 [ 808.763602][ T4161] ---[ end trace ]--- [ 808.765242][ T4161] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 808.766643][ T4161] CPU: 1 UID: 0 PID: 4161 Comm: syz.0.90 Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0 PREEMPT [ 808.767788][ T4161] Hardware name: riscv-virtio,qemu (DT) [ 808.768569][ T4161] Call Trace: [ 808.769193][ T4161] [] dump_backtrace+0x2e/0x3c [ 808.770307][ T4161] [] show_stack+0x30/0x3c [ 808.771294][ T4161] [] dump_stack_lvl+0x110/0x1a6 [ 808.773251][ T4161] [] dump_stack+0x1c/0x24 [ 808.774377][ T4161] [] panic+0x38c/0x86a [ 808.775321][ T4161] [] check_panic_on_warn+0xc0/0xe4 [ 808.776421][ T4161] [] ubsan_epilogue+0x3e/0x46 [ 808.777350][ T4161] [] __ubsan_handle_out_of_bounds+0xf6/0xf8 [ 808.778409][ T4161] [] ip6_route_info_create+0x8f8/0x96e [ 808.779485][ T4161] [] ip6_route_add+0x2a/0x1aa [ 808.780565][ T4161] [] addrconf_prefix_route+0x2c4/0x4e8 [ 808.781670][ T4161] [] addrconf_prefix_rcv+0x1720/0x1e62 [ 808.782852][ T4161] [] ndisc_router_discovery+0x1a06/0x3504 [ 808.783953][ T4161] [] ndisc_rcv+0x500/0x600 [ 808.784945][ T4161] [] icmpv6_rcv+0x145e/0x1e0a [ 808.786018][ T4161] [] ip6_protocol_deliver_rcu+0x18a/0x1976 [ 808.787156][ T4161] [] ip6_input_finish+0xf4/0x174 [ 808.788274][ T4161] [] ip6_input+0x16a/0x70c [ 808.789473][ T4161] [] ip6_mc_input+0x5c8/0x1268 [ 808.790535][ T4161] [] ipv6_rcv+0x5ae/0x6e0 [ 808.791564][ T4161] [] __netif_receive_skb_one_core+0x106/0x16e [ 808.792873][ T4161] [] __netif_receive_skb+0x2c/0x144 [ 808.794000][ T4161] [] netif_receive_skb+0x1aa/0xbf2 [ 808.795077][ T4161] [] tun_rx_batched.isra.0+0x430/0x686 [ 808.796129][ T4161] [] tun_get_user+0x2952/0x3d6c [ 808.797242][ T4161] [] tun_chr_write_iter+0xc4/0x21c [ 808.798277][ T4161] [] vfs_write+0x56c/0xb12 [ 808.799247][ T4161] [] ksys_write+0x126/0x234 [ 808.800336][ T4161] [] __riscv_sys_write+0x6e/0xa0 [ 808.801329][ T4161] [] syscall_handler+0x94/0x118 [ 808.802732][ T4161] [] do_trap_ecall_u+0x396/0x530 [ 808.803898][ T4161] [] handle_exception+0x146/0x152 [ 808.805309][ T4161] SMP: stopping secondary CPUs [ 808.807738][ T4161] Rebooting in 86400 seconds.. VM DIAGNOSIS: 10:30:01 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff8573ae8e mhartid 0000000000000000 mstatus 0000000a000001a2 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000020 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff8634b694 vstvec 0000000000000000 mepc ffffffff8008eba2 sepc ffffffff8026904e vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000009 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp 9020800000098ab9 x0/zero 0000000000000000 x1/ra ffffffff8573ae8e x2/sp ffff8f8000007070 x3/gp ffffffff89c83ca0 x4/tp ffffffff88249100 x5/t0 ffffaf8018abc900 x6/t1 0000000000000001 x7/t2 ffffaf806ed256c0 x8/s0 ffff8f80000070b0 x9/s1 ffffaf801dd0fb00 x10/a0 0000000000000001 x11/a1 ffffffff87c1e8c0 x12/a2 0000000000000013 x13/a3 ffffffff89d8f0a0 x14/a4 0000000000000000 x15/a5 ffffffff8824a100 x16/a6 0000000000000028 x17/a7 ffffffff8573ae4c x18/s2 ffffffffffffffff x19/s3 ffffaf801dd0fb00 x20/s4 ffffffff8998c840 x21/s5 0000000000000004 x22/s6 ffffffff91183800 x23/s7 0000000000008ab8 x24/s8 ffffaf8018abc954 x25/s9 000000000f02000a x26/s10 1ffff5f00315792a x27/s11 0000000000000007 x28/t3 f38912d900000000 x29/t4 0000000000001fff x30/t5 00000000000000c8 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 info registers vcpu 1 CPU#1 V = 0 pc ffffffff80387182 mhartid 0000000000000001 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff8634b694 vstvec 0000000000000000 mepc ffffffff80414c58 sepc ffffffff802ffed6 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp 902090000009fd8b x0/zero 0000000000000000 x1/ra ffffffff803025e0 x2/sp ffff8f8000017a50 x3/gp ffffffff89c83ca0 x4/tp ffffaf802fcdcec0 x5/t0 ffffaf806ed4b260 x6/t1 fffff5ef0dda8ef2 x7/t2 203032207865646e x8/s0 ffff8f8000017910 x9/s1 ffffffff882e83d8 x10/a0 0000000000000001 x11/a1 0000000000000000 x12/a2 ffffffff8665e4a0 x13/a3 0000000000001fff x14/a4 ffffffff8665e4a0 x15/a5 0000000000000000 x16/a6 00000000000000c8 x17/a7 ffffffff802a0c7e x18/s2 ffffffff89dfd010 x19/s3 ffffaf802fcdcec0 x20/s4 ffffffff89d900e0 x21/s5 ffffffff8d0f9a70 x22/s6 ffffffff8d48d4a0 x23/s7 ffffffff89dc8520 x24/s8 ffffffff8665e748 x25/s9 ffffffff9103c3c8 x26/s10 ffffffff9103c3c8 x27/s11 1ffff1f000002f68 x28/t3 17c99eb300000000 x29/t4 fffff1ef00002f24 x30/t5 fffff1ef00002f25 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