last executing test programs: 16.849041441s ago: executing program 0: timer_create(0x0, &(0x7f0000000180)={0x0, 0x12, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000200)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da070000000000010902240001000000000904000009030000000921000000012222000905"], 0x0) syz_usb_ep_write(r0, 0x81, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x0, 0x0) timer_create(0x0, 0x0, &(0x7f0000000040)) 14.797401574s ago: executing program 1: socketpair(0x1, 0x5, 0x0, &(0x7f0000000340)={0xffffffffffffffff, 0xffffffffffffffff}) dup3(r0, r1, 0x0) sendmsg$IPVS_CMD_GET_DEST(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0, 0x14}}, 0x0) 12.641836756s ago: executing program 1: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) ioctl$TUNSETOWNER(r0, 0x400454cc, 0x0) 11.562134121s ago: executing program 0: r0 = socket$inet_sctp(0x2, 0x1, 0x84) r1 = fcntl$dupfd(r0, 0x0, r0) listen(r1, 0x8) ioctl$SNDCTL_DSP_SETTRIGGER(r1, 0x40045010, 0x0) 11.259457109s ago: executing program 1: r0 = openat$sequencer2(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) r1 = dup(r0) ioctl$TUNSETOFFLOAD(r1, 0x400454d0, 0x0) 9.287236144s ago: executing program 1: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000003100), 0x0, 0x0) close(r0) openat$ptmx(0xffffffffffffff9c, &(0x7f00000051c0), 0x0, 0x0) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000009200)) 7.005462297s ago: executing program 0: mount$binderfs(0x0, &(0x7f0000000080)='./binderfs\x00', 0x0, 0x1008420, 0x0) 6.564245156s ago: executing program 1: timer_create(0x0, &(0x7f0000000180)={0x0, 0x12, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000200)={{0x0, 0x989680}, {0x0, 0x3938700}}, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da070000000000010902240001000000000904000009030000000921000000012222000905"], 0x0) syz_usb_ep_write(r0, 0x81, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0x0, 0x0) timer_create(0x0, 0x0, &(0x7f0000000040)) 5.129430704s ago: executing program 0: r0 = openat2$dir(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', &(0x7f0000000400)={0x40}, 0x18) ioctl$FIGETBSZ(r0, 0x2, &(0x7f0000000480)) 2.459146361s ago: executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_CT_GET_DYING(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) 409.182754ms ago: executing program 1: setsockopt$IP6T_SO_SET_REPLACE(0xffffffffffffffff, 0x29, 0x40, &(0x7f0000000080)=@nat={'nat\x00', 0x1b, 0x5, 0x510, 0x0, 0x238, 0xffffffff, 0x398, 0x0, 0x488, 0x488, 0xffffffff, 0x488, 0x488, 0x5, &(0x7f0000000000), {[{{@ipv6={@private2, @remote, [0xff000000], [0xff, 0xffffff00, 0xffffff00], 'lo\x00', 'batadv0\x00', {}, {}, 0x2e, 0x3, 0x4}, 0x0, 0xa8, 0xf0}, @REDIRECT={0x48, 'REDIRECT\x00', 0x0, {0xb, @ipv6=@mcast1, @ipv4=@private, @port=0x4e22, @gre_key}}}, {{@uncond, 0x0, 0x100, 0x148, 0x0, {}, [@common=@icmp6={{0x28}, {0x12, "42cc"}}, @common=@ah={{0x30}, {[0x4d3], 0x2, 0x1, 0x3}}]}, @MASQUERADE={0x48, 'MASQUERADE\x00', 0x0, {0xa, @ipv4=@multicast2, @ipv4=@empty, @gre_key, @icmp_id=0x68}}}, {{@uncond, 0x0, 0xd0, 0x118, 0x0, {}, [@common=@mh={{0x28}, {"e828"}}]}, @NETMAP={0x48, 'NETMAP\x00', 0x0, {0x0, @ipv4=@initdev={0xac, 0x1e, 0x0, 0x0}, @ipv4=@rand_addr=0x64010101, @gre_key=0x40, @icmp_id}}}, {{@uncond, 0x0, 0xa8, 0xf0}, @REDIRECT={0x48, 'REDIRECT\x00', 0x0, {0x0, @ipv4=@empty, @ipv6=@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', @icmp_id}}}], {{'\x00', 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x570) r0 = mq_open(&(0x7f0000000640)='MASQUERADE\x00', 0x0, 0x88, 0x0) socket$inet6_icmp(0xa, 0x2, 0x3a) mremap(&(0x7f00007fd000/0x800000)=nil, 0x800000, 0x4000, 0x3, &(0x7f0000fd7000/0x4000)=nil) ioctl$TUNDETACHFILTER(0xffffffffffffffff, 0x401054d6, 0x0) setxattr$trusted_overlay_redirect(0x0, 0x0, 0x0, 0x0, 0x0) move_mount(r0, &(0x7f0000000800)='./file0\x00', 0xffffffffffffffff, &(0x7f0000000840)='./file0\x00', 0x341) mprotect(&(0x7f000064a000/0x800000)=nil, 0x800000, 0x1000004) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000b80)={0x2c, 0x0, &(0x7f00000009c0)={0x0, 0x3, 0x4, @lang_id={0x4}}, 0x0, &(0x7f0000000b00)={0x20, 0x29, 0xf, {0xf, 0x29, 0x0, 0x1, 0x0, 0x7, "864e9b0b", "b230cc0b"}}, &(0x7f0000000b40)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x80, 0x0, 0x0, 0x0, 0x2, 0x0, 0x1}}}, &(0x7f0000000fc0)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000e40)={0x40, 0x17, 0x6, @dev}, &(0x7f0000000e80)={0x40, 0x19, 0x2, "22a7"}, 0x0, &(0x7f0000000f00)={0x40, 0x1c, 0x1, 0xcf}, &(0x7f0000000f40)={0x40, 0x1e, 0x1}, 0x0}) io_uring_register$IORING_REGISTER_FILES(0xffffffffffffffff, 0x2, &(0x7f0000001180)=[0xffffffffffffffff], 0x1) getsockname$inet6(0xffffffffffffffff, 0x0, &(0x7f0000001200)) syz_genetlink_get_family_id$tipc(&(0x7f0000001340), 0xffffffffffffffff) r1 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r1, 0x8983, &(0x7f0000001480)={0x0, 'ip6gre0\x00', {}, 0x4}) 0s ago: executing program 0: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000003100), 0x0, 0x0) close(r0) openat$ptmx(0xffffffffffffff9c, &(0x7f00000051c0), 0x0, 0x0) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000009200)) kernel console output (not intermixed with test programs): syzkaller login: [ 290.323892][ T1197] net_ratelimit: 1 callbacks suppressed [ 290.324379][ T1197] aoe: packet could not be sent on bond0. consider increasing tx_queue_len [ 290.337738][ T1197] aoe: packet could not be sent on teql0. consider increasing tx_queue_len [ 290.340303][ T1197] aoe: packet could not be sent on tunl0. consider increasing tx_queue_len [ 290.342657][ T1197] aoe: packet could not be sent on gre0. consider increasing tx_queue_len [ 290.352298][ T1197] aoe: packet could not be sent on gretap0. consider increasing tx_queue_len [ 290.356056][ T1197] aoe: packet could not be sent on erspan0. consider increasing tx_queue_len [ 290.358393][ T1197] aoe: packet could not be sent on ip_vti0. consider increasing tx_queue_len [ 290.360764][ T1197] aoe: packet could not be sent on ip6_vti0. consider increasing tx_queue_len [ 290.363093][ T1197] aoe: packet could not be sent on sit0. consider increasing tx_queue_len [ 290.366538][ T1197] aoe: packet could not be sent on ip6tnl0. consider increasing tx_queue_len [ 351.764114][ T1197] net_ratelimit: 1 callbacks suppressed [ 351.764632][ T1197] aoe: packet could not be sent on bond0. consider increasing tx_queue_len [ 351.784887][ T1197] aoe: packet could not be sent on teql0. consider increasing tx_queue_len [ 351.788494][ T1197] aoe: packet could not be sent on tunl0. consider increasing tx_queue_len [ 351.791102][ T1197] aoe: packet could not be sent on gre0. consider increasing tx_queue_len [ 351.793602][ T1197] aoe: packet could not be sent on gretap0. consider increasing tx_queue_len [ 351.797249][ T1197] aoe: packet could not be sent on erspan0. consider increasing tx_queue_len [ 351.799810][ T1197] aoe: packet could not be sent on ip_vti0. consider increasing tx_queue_len [ 351.802426][ T1197] aoe: packet could not be sent on ip6_vti0. consider increasing tx_queue_len [ 351.807685][ T1197] aoe: packet could not be sent on sit0. consider increasing tx_queue_len [ 351.811839][ T1197] aoe: packet could not be sent on ip6tnl0. consider increasing tx_queue_len Warning: Permanently added '[localhost]:4089' (ED25519) to the list of known hosts. [ 413.206247][ T1197] net_ratelimit: 1 callbacks suppressed [ 413.206805][ T1197] aoe: packet could not be sent on bond0. consider increasing tx_queue_len [ 413.222312][ T1197] aoe: packet could not be sent on teql0. consider increasing tx_queue_len [ 413.228080][ T1197] aoe: packet could not be sent on tunl0. consider increasing tx_queue_len [ 413.230860][ T1197] aoe: packet could not be sent on gre0. consider increasing tx_queue_len [ 413.233505][ T1197] aoe: packet could not be sent on gretap0. consider increasing tx_queue_len [ 413.238936][ T1197] aoe: packet could not be sent on erspan0. consider increasing tx_queue_len [ 413.241736][ T1197] aoe: packet could not be sent on ip_vti0. consider increasing tx_queue_len [ 413.244503][ T1197] aoe: packet could not be sent on ip6_vti0. consider increasing tx_queue_len [ 413.249020][ T1197] aoe: packet could not be sent on sit0. consider increasing tx_queue_len [ 413.251813][ T1197] aoe: packet could not be sent on ip6tnl0. consider increasing tx_queue_len 1970/01/01 00:07:00 fuzzer started 1970/01/01 00:07:09 dialing manager at localhost:30008 [ 438.301165][ T3051] cgroup: Unknown subsys name 'net' [ 439.367670][ T3051] cgroup: Unknown subsys name 'rlimit' [ 488.392963][ T3053] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 1970/01/01 00:08:07 starting 2 executor processes [ 532.523400][ T3063] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 532.629877][ T3063] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 534.432930][ T3062] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 534.482166][ T3062] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 541.927425][ T3063] hsr_slave_0: entered promiscuous mode [ 541.959463][ T3063] hsr_slave_1: entered promiscuous mode [ 545.584446][ T3062] hsr_slave_0: entered promiscuous mode [ 545.627253][ T3062] hsr_slave_1: entered promiscuous mode [ 545.647653][ T3062] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 545.651866][ T3062] Cannot create hsr debugfs directory [ 548.032872][ T3063] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 548.468440][ T3063] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 548.662401][ T3063] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 548.960742][ T3063] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 551.519824][ T3062] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 551.840692][ T3062] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 551.973182][ T3062] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 552.099826][ T3062] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 564.134389][ T3063] 8021q: adding VLAN 0 to HW filter on device bond0 [ 567.739290][ T3062] 8021q: adding VLAN 0 to HW filter on device bond0 [ 605.742270][ T3063] veth0_vlan: entered promiscuous mode [ 606.214586][ T3063] veth1_vlan: entered promiscuous mode [ 607.601869][ T3063] veth0_macvtap: entered promiscuous mode [ 608.030997][ T3063] veth1_macvtap: entered promiscuous mode [ 609.640540][ T3063] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 609.644669][ T3063] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 609.664301][ T3063] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 609.669566][ T3063] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 612.992370][ T3062] veth0_vlan: entered promiscuous mode [ 613.432569][ T3062] veth1_vlan: entered promiscuous mode [ 615.814309][ T3062] veth0_macvtap: entered promiscuous mode [ 616.022731][ T3062] veth1_macvtap: entered promiscuous mode [ 618.320667][ T3062] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 618.323503][ T3062] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 618.348658][ T3062] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 618.350875][ T3062] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 621.555938][ C0] net_ratelimit: 1 callbacks suppressed [ 621.556467][ C0] TCP: request_sock_TCP: Possible SYN flooding on port [::]:2. Sending cookies. [ 656.443137][ T3669] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 656.465893][ C0] hrtimer: interrupt took 1270400 ns [ 656.778345][ T3669] usb 1-1: Using ep0 maxpacket: 16 [ 656.922747][ T3669] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 656.938887][ T3669] usb 1-1: config 0 has 0 interfaces, different from the descriptor's value: 1 [ 656.942831][ T3669] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 656.957275][ T3669] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 657.104087][ T3669] usb 1-1: config 0 descriptor?? [ 657.712118][ T3669] usb 1-1: USB disconnect, device number 2 [ 666.123459][ T915] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 666.410146][ T915] usb 1-1: Using ep0 maxpacket: 16 [ 666.545379][ T915] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 666.549803][ T915] usb 1-1: config 0 interface 0 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 9 [ 666.552355][ T915] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 666.554168][ T915] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 666.722491][ T915] usb 1-1: config 0 descriptor?? [ 667.050339][ T915] usbhid 1-1:0.0: couldn't find an input interrupt endpoint [ 667.481549][ T915] usb 1-1: USB disconnect, device number 3 [ 667.682549][ T3824] sctp: failed to load transform for md5: -2 [ 678.291671][ T3059] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 678.556622][ T3059] usb 1-1: Using ep0 maxpacket: 16 [ 678.678245][ T3059] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 678.680176][ T3059] usb 1-1: config 0 interface 0 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 9 [ 678.681666][ T3059] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 678.682775][ T3059] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 678.779429][ T3059] usb 1-1: config 0 descriptor?? [ 679.031081][ T3059] usbhid 1-1:0.0: couldn't find an input interrupt endpoint [ 679.227283][ T3059] usb 1-1: USB disconnect, device number 4 [ 683.913697][ T3877] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 709.738354][ T8] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 710.016533][ T8] usb 1-1: Using ep0 maxpacket: 16 [ 710.209391][ T8] usb 1-1: config 0 interface 0 altsetting 0 has an invalid descriptor for endpoint zero, skipping [ 710.221284][ T8] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 710.227764][ T8] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 710.229994][ T8] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 710.359707][ T8] usb 1-1: config 0 descriptor?? [ 710.503490][ T8] usbhid 1-1:0.0: couldn't find an input interrupt endpoint [ 711.180185][ T8] usb 1-1: USB disconnect, device number 5 [ 732.998059][ T3754] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 733.290391][ T3754] usb 1-1: Using ep0 maxpacket: 16 [ 733.661188][ T3754] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 733.663439][ T3754] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 733.686871][ T3754] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 733.701712][ T3754] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 733.859698][ T3754] usb 1-1: config 0 descriptor?? [ 736.590504][ T3754] usbhid 1-1:0.0: can't add hid device: -71 [ 736.611992][ T3754] usbhid 1-1:0.0: probe with driver usbhid failed with error -71 [ 736.920004][ T3754] usb 1-1: USB disconnect, device number 6 [ 748.037127][ T3059] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 748.289789][ T3059] usb 1-1: Using ep0 maxpacket: 16 [ 748.358135][ T3059] usb 1-1: config 0 interface 0 altsetting 0 has an invalid descriptor for endpoint zero, skipping [ 748.361324][ T3059] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 748.364126][ T3059] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 748.404283][ T3059] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 748.503660][ T3059] usb 1-1: config 0 descriptor?? [ 748.713911][ T3059] usbhid 1-1:0.0: couldn't find an input interrupt endpoint [ 748.983594][ T3708] usb 1-1: USB disconnect, device number 7 [ 750.692388][ T4010] serio: Serial port pts0 [ 760.619319][ T3411] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 760.909913][ T3411] usb 1-1: Using ep0 maxpacket: 16 [ 761.207439][ T3411] usb 1-1: config 0 interface 0 altsetting 0 has an invalid descriptor for endpoint zero, skipping [ 761.209904][ T3411] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 761.214216][ T3411] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 761.219722][ T3411] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 761.282073][ T3411] usb 1-1: config 0 descriptor?? [ 761.452834][ T3411] usbhid 1-1:0.0: couldn't find an input interrupt endpoint [ 761.654612][ T915] usb 1-1: USB disconnect, device number 8 [ 771.178450][ T915] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 771.437557][ T915] usb 2-1: Using ep0 maxpacket: 16 [ 771.697241][ T915] usb 2-1: config 0 interface 0 altsetting 0 has an invalid descriptor for endpoint zero, skipping [ 771.698845][ T915] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 771.702205][ T915] usb 2-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 771.704375][ T915] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 771.853992][ T915] usb 2-1: config 0 descriptor?? [ 772.583401][ T915] usbhid 2-1:0.0: couldn't find an input interrupt endpoint [ 772.866750][ T915] usb 2-1: USB disconnect, device number 2 [ 774.928499][ T4084] Zero length message leads to an empty skb [ 777.229338][ T4089] ================================================================== [ 777.231344][ T4089] BUG: KASAN: global-out-of-bounds in memcmp+0xc0/0xca [ 777.235614][ T4089] Read of size 1 at addr ffffffff890770c0 by task syz-executor.1/4089 [ 777.239236][ T4089] [ 777.240911][ T4089] CPU: 1 PID: 4089 Comm: syz-executor.1 Not tainted 6.10.0-rc3-syzkaller-g83a7eefedc9b #0 [ 777.243084][ T4089] Hardware name: riscv-virtio,qemu (DT) [ 777.244604][ T4089] Call Trace: [ 777.245909][ T4089] [] dump_backtrace+0x2e/0x3c [ 777.247631][ T4089] [] show_stack+0x34/0x40 [ 777.249132][ T4089] [] dump_stack_lvl+0x122/0x196 [ 777.250789][ T4089] [] print_report+0x288/0x596 [ 777.252277][ T4089] [] kasan_report+0xec/0x118 [ 777.253850][ T4089] [] __asan_report_load1_noabort+0x12/0x1a [ 777.256367][ T4089] [] memcmp+0xc0/0xca [ 777.257806][ T4089] [] __hw_addr_add_ex+0xee/0x676 [ 777.259611][ T4089] [] dev_mc_add+0xac/0x108 [ 777.261189][ T4089] [] mrp_init_applicant+0xe8/0x56e [ 777.262924][ T4089] [] vlan_mvrp_init_applicant+0x26/0x30 [ 777.264425][ T4089] [] register_vlan_dev+0x1b4/0x922 [ 777.266086][ T4089] [] vlan_ioctl_handler+0x54e/0x956 [ 777.267833][ T4089] [] sock_ioctl+0x1f6/0x61a [ 777.269499][ T4089] [] __riscv_sys_ioctl+0x186/0x1d6 [ 777.271009][ T4089] [] syscall_handler+0x94/0x118 [ 777.272485][ T4089] [] do_trap_ecall_u+0x14c/0x214 [ 777.274078][ T4089] [] ret_from_exception+0x0/0x64 [ 777.276611][ T4089] [ 777.277393][ T4089] The buggy address belongs to the variable: [ 777.278480][ T4089] vlan_mrp_app+0x60/0x3e80 [ 777.279901][ T4089] [ 777.280668][ T4089] The buggy address belongs to the physical page: [ 777.282482][ T4089] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x89277 [ 777.284198][ T4089] flags: 0xffe000000002000(reserved|node=0|zone=0|lastcpupid=0x7ff) [ 777.287385][ T4089] raw: 0ffe000000002000 ff1c000000249dc8 ff1c000000249dc8 0000000000000000 [ 777.288883][ T4089] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 777.291401][ T4089] page dumped because: kasan: bad access detected [ 777.292872][ T4089] page_owner info is not present (never set?) [ 777.294076][ T4089] [ 777.294865][ T4089] Memory state around the buggy address: [ 777.296631][ T4089] ffffffff89076f80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 00 00 [ 777.298077][ T4089] ffffffff89077000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 777.299796][ T4089] >ffffffff89077080: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 00 00 [ 777.301148][ T4089] ^ [ 777.302449][ T4089] ffffffff89077100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 777.303794][ T4089] ffffffff89077180: f9 f9 f9 f9 00 00 00 00 f9 f9 f9 f9 00 00 00 00 [ 777.305374][ T4089] ================================================================== [ 777.309122][ T4089] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 777.310989][ T4089] CPU: 1 PID: 4089 Comm: syz-executor.1 Not tainted 6.10.0-rc3-syzkaller-g83a7eefedc9b #0 [ 777.312544][ T4089] Hardware name: riscv-virtio,qemu (DT) [ 777.313597][ T4089] Call Trace: [ 777.314430][ T4089] [] dump_backtrace+0x2e/0x3c [ 777.316197][ T4089] [] show_stack+0x34/0x40 [ 777.317586][ T4089] [] dump_stack_lvl+0x108/0x196 [ 777.319182][ T4089] [] dump_stack+0x1c/0x24 [ 777.320676][ T4089] [] panic+0x382/0x800 [ 777.322052][ T4089] [] check_panic_on_warn+0xc0/0xe4 [ 777.323563][ T4089] [] end_report.part.0+0x4a/0xaa [ 777.325151][ T4089] [] kasan_report+0x102/0x118 [ 777.326624][ T4089] [] __asan_report_load1_noabort+0x12/0x1a [ 777.328275][ T4089] [] memcmp+0xc0/0xca [ 777.329698][ T4089] [] __hw_addr_add_ex+0xee/0x676 [ 777.331321][ T4089] [] dev_mc_add+0xac/0x108 [ 777.332815][ T4089] [] mrp_init_applicant+0xe8/0x56e [ 777.334382][ T4089] [] vlan_mvrp_init_applicant+0x26/0x30 [ 777.335986][ T4089] [] register_vlan_dev+0x1b4/0x922 [ 777.337607][ T4089] [] vlan_ioctl_handler+0x54e/0x956 [ 777.339320][ T4089] [] sock_ioctl+0x1f6/0x61a [ 777.340797][ T4089] [] __riscv_sys_ioctl+0x186/0x1d6 [ 777.342309][ T4089] [] syscall_handler+0x94/0x118 [ 777.343861][ T4089] [] do_trap_ecall_u+0x14c/0x214 [ 777.345759][ T4089] [] ret_from_exception+0x0/0x64 [ 777.347798][ T4089] SMP: stopping secondary CPUs [ 777.350751][ T4089] Rebooting in 86400 seconds.. VM DIAGNOSIS: 07:51:43 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff800dac38 mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000200 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85cacbdc vstvec 0000000000000000 mepc ffffffff8001c7f2 sepc ffffffff8499cd46 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080029000 sscratch 0000000000000000 satp a022700000093450 x0/zero 0000000000000000 x1/ra ffffffff800dac08 x2/sp ff20000000003f70 x3/gp ffffffff89259c00 x4/tp ff60000017091a40 x5/t0 0000000000000002 x6/t1 ff60000017092560 x7/t2 ff60000017092560 x8/s0 ff20000000003fb0 x9/s1 ff60000017091a40 x10/a0 ff60000017091a48 x11/a1 0000000000000000 x12/a2 0000000000000000 x13/a3 ffffffff8000e588 x14/a4 0000000000000000 x15/a5 0000000000000001 x16/a6 0000000000ff0100 x17/a7 000000000000000f x18/s2 0000000000000000 x19/s3 0000000000000000 x20/s4 8000000000000005 x21/s5 ff60000017091a40 x22/s6 ff600000153a4e00 x23/s7 0000000000000034 x24/s8 1fe40000010bf74c x25/s9 0000000000000000 x26/s10 ff6000002a396500 x27/s11 1fec0000024eded6 x28/t3 2fbca246ed963041 x29/t4 1fec000002e124a8 x30/t5 ffffffff89358d40 x31/t6 1fec000002e124b0 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 ffffffff81acccd0 mhartid 0000000000000001 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000020 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f0b509 hedeleg 0000000000000000 mtvec 0000000080000428 stvec ffffffff85cacbdc vstvec 0000000000000000 mepc ffffffff8040f7f0 sepc ffffffff8017d42c vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000001 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080027000 sscratch 0000000000000000 satp a022700000093450 x0/zero 0000000000000000 x1/ra ffffffff81accca6 x2/sp ff2000000868b250 x3/gp ffffffff89259c00 x4/tp ff60000017564ec0 x5/t0 7300000000000000 x6/t1 fffffffef16357c4 x7/t2 7320666f20646165 x8/s0 ff2000000868b290 x9/s1 ffffffff8b1abe20 x10/a0 ffffffff8b1abe68 x11/a1 000000000000001f x12/a2 0000000000040000 x13/a3 ffffffff81accca6 x14/a4 1ffffffff16357cd x15/a5 ff200000000a5000 x16/a6 0000000000000003 x17/a7 ffffffff8b1abe23 x18/s2 000000000000000a x19/s3 0000000000000000 x20/s4 0000000000000000 x21/s5 0000000000000000 x22/s6 0000000000000001 x23/s7 ffffffff8aff29bb x24/s8 dfffffff00000000 x25/s9 fffffffef16357cf x26/s10 0000000000000010 x27/s11 0000000000000010 x28/t3 ff60000017564ec8 x29/t4 fffffffef16357c4 x30/t5 fffffffef16357c5 x31/t6 ffffffff8aff2977 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