last executing test programs: 19.203705004s ago: executing program 0 (id=446): r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=@newqdisc={0x24, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}}, 0x24}}, 0x44080) sendmsg$nl_route_sched(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000380)=@newqdisc={0x3c, 0x24, 0xd0f, 0x70bd26, 0x0, {0x60, 0x0, 0x0, r2, {}, {0xfff2, 0xa}}, [@qdisc_kind_options=@q_codel={{0xa}, {0xc, 0x2, [@TCA_CODEL_CE_THRESHOLD={0x8, 0x5, 0xfffffffc}]}}]}, 0x3c}}, 0x800) 17.583073565s ago: executing program 1 (id=447): r0 = gettid() timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x1000, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x441, 0x0) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x2b442, 0x0) 16.244100842s ago: executing program 0 (id=448): r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000080)='hybla\x00', 0x6) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x3, 0x0, @loopback}, 0x1c) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x3, 0x0, @loopback}, 0x1c) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000100)='nv\x00', 0x3) shutdown(r0, 0x2) 14.196413631s ago: executing program 1 (id=449): r0 = socket$inet(0x2, 0x2, 0x1) r1 = socket(0x840000000002, 0x3, 0xff) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r2, 0x10e, 0x1, &(0x7f0000000600)=0x1, 0x4) setsockopt$IPT_SO_SET_REPLACE(r1, 0x4000000000000, 0x40, &(0x7f0000000080)=@raw={'raw\x00', 0xc01, 0x3, 0x250, 0x128, 0x5002004a, 0x0, 0x128, 0x0, 0x1b8, 0x3c8, 0x3c8, 0x1b8, 0x3c8, 0x3, 0x0, {[{{@ip={@multicast1, @empty, 0x0, 0x0, 'veth0_virt_wifi\x00', 'ip6tnl0\x00'}, 0x0, 0xe0, 0x128, 0x0, {}, [@common=@unspec=@connlimit={{0x40}}, @common=@unspec=@connmark={{0x30}}]}, @unspec=@CT0={0x48, 'CT\x00', 0x0, {0x0, 0x0, 0x0, 0x6}}}, {{@uncond, 0x0, 0x70, 0x90}, @unspec=@TRACE={0x20}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28, '\x00', 0x4}}}}, 0x2b0) sendmsg$inet(r0, &(0x7f0000000600)={&(0x7f0000000000)={0x2, 0x0, @remote}, 0x10, &(0x7f00000000c0)=[{&(0x7f0000002100)="0800a9fc0da6b30a", 0x8}], 0x1, &(0x7f0000001d00)=ANY=[@ANYBLOB="18000000000000000000000007000000890704ac1414aa0011000000000000000001"], 0x30}, 0x0) 12.645121037s ago: executing program 0 (id=450): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x1}) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000240)='memory.events.local\x00', 0x275a, 0x0) write$cgroup_subtree(r1, &(0x7f0000000080)=ANY=[], 0x32600) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x2000001, 0x12, r1, 0x0) ioctl$TUNSETVNETLE(r0, 0x400454dc, &(0x7f0000000140)=0x1) 8.781122454s ago: executing program 1 (id=451): r0 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0) fsconfig$FSCONFIG_SET_BINARY(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) r2 = openat$cgroup_subtree(r1, &(0x7f0000000100), 0x2, 0x0) ioctl$BLKRAGET(r1, 0x1263, 0x0) write$cgroup_subtree(r2, &(0x7f0000000080)={[{0x2b, 'rdma'}]}, 0x6) 7.305046332s ago: executing program 0 (id=452): r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)=@newqdisc={0x58, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8}, {0x2c, 0x2, [@TCA_TBF_PARMS={0x28, 0x1, {{0x4, 0x2, 0x0, 0x0, 0x7, 0x8}, {0x12, 0x3, 0x0, 0x1, 0x8001, 0x2400}, 0xa5, 0x4, 0x10100000}}]}}]}, 0x58}}, 0x44080) sendmsg$nl_route_sched(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000380)=@newqdisc={0x3c, 0x24, 0xd0f, 0x70bd26, 0x0, {0x60, 0x0, 0x0, r2, {}, {0xfff2, 0xa}}, [@qdisc_kind_options=@q_codel={{0xa}, {0xc, 0x2, [@TCA_CODEL_CE_THRESHOLD={0x8, 0x5, 0xfffffffc}]}}]}, 0x3c}}, 0x800) 5.692574033s ago: executing program 1 (id=453): sendmsg$inet(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x0) recvmsg$unix(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000580), 0x100}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0}, 0x0) 4.328890132s ago: executing program 0 (id=454): r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x23, &(0x7f0000000740)={@multicast2, @loopback}, 0xc) r1 = socket$netlink(0x10, 0x3, 0x0) writev(r1, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r1, &(0x7f0000000040)=[{&(0x7f0000000400)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000200000000000006040000000000f93132", 0x39}], 0x1) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000080)={@multicast2, @loopback, 0x0, 0x1, [@empty]}, 0x14) 2.692251175s ago: executing program 1 (id=455): r0 = socket$inet6(0xa, 0x2, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0xe22}, 0x1c) connect$inet6(r0, &(0x7f0000000600)={0x2, 0x4e23, 0x0, @dev={0xfe, 0x80, '\x00', 0x34}, 0x4}, 0x1c) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x4e23, 0x4, @ipv4={'\x00', '\xff\xff', @multicast1}, 0xffffffff}, 0x1c) r1 = socket$netlink(0x10, 0x3, 0x8000000004) writev(r1, &(0x7f0000001200)=[{&(0x7f0000000080)="580000001400add427323b472545b45602117fffffff81004e230e227f000001925aa80020007b00090080007f000001e809000000ff0000f03ac71002000000ffffffffffffffffffe7ee00000000000000000200000000", 0x58}], 0x1) 625.620445ms ago: executing program 0 (id=456): r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file1\x00', 0x281c2, 0x0) fcntl$setlease(r0, 0x400, 0x1) openat$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101040, 0x79) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000100)='/proc/locks\x00', 0x0, 0x0) truncate(&(0x7f0000000000)='./file1\x00', 0x3) pread64(r1, &(0x7f0000001440)=""/126, 0x7e, 0x41) 0s ago: executing program 1 (id=457): r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000000000)=0x8, 0x4) setsockopt$sock_int(0xffffffffffffffff, 0x1, 0xf, &(0x7f0000000180)=0x800001, 0x4) syz_emit_ethernet(0x4a, &(0x7f00000004c0)={@local, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x33}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, '\x00', 0x14, 0x6, 0x0, @ipv4={'\x00', '\xff\xff', @private}, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x2, 0x5, 0x10}}}}}}}, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:37880' (ED25519) to the list of known hosts. syzkaller login: [ 335.144880][ T3167] cgroup: Unknown subsys name 'net' [ 335.673059][ T3167] cgroup: Unknown subsys name 'cpuset' [ 335.751565][ T3167] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 393.225024][ T3167] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 468.563134][ T3177] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 468.676327][ T3177] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 470.405677][ T3178] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 470.484066][ T3178] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 479.358430][ T3177] hsr_slave_0: entered promiscuous mode [ 479.379058][ T3177] hsr_slave_1: entered promiscuous mode [ 481.229216][ T3178] hsr_slave_0: entered promiscuous mode [ 481.245055][ T3178] hsr_slave_1: entered promiscuous mode [ 481.260712][ T3178] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 481.270490][ T3178] Cannot create hsr debugfs directory [ 488.449939][ T3177] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 488.600250][ T3177] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 488.719540][ T3177] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 489.008847][ T3177] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 490.504775][ T3178] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 490.753963][ T3178] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 490.902585][ T3178] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 491.052429][ T3178] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 498.080930][ T3177] 8021q: adding VLAN 0 to HW filter on device bond0 [ 500.277612][ T3178] 8021q: adding VLAN 0 to HW filter on device bond0 [ 539.940840][ T3178] veth0_vlan: entered promiscuous mode [ 540.488715][ T3177] veth0_vlan: entered promiscuous mode [ 540.638657][ T3178] veth1_vlan: entered promiscuous mode [ 541.162999][ T3177] veth1_vlan: entered promiscuous mode [ 542.840600][ T3178] veth0_macvtap: entered promiscuous mode [ 543.190350][ T3178] veth1_macvtap: entered promiscuous mode [ 543.804003][ T3177] veth0_macvtap: entered promiscuous mode [ 544.127583][ T3177] veth1_macvtap: entered promiscuous mode [ 545.632224][ T3178] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 545.638414][ T3178] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 545.640549][ T3178] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 545.642516][ T3178] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 546.417883][ T3177] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 546.420159][ T3177] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 546.422134][ T3177] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 546.439533][ T3177] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 549.991981][ T3178] 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. [ 557.176309][ T3884] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 571.871004][ T3241] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 572.327229][ T3241] usb 1-1: config 0 interface 0 altsetting 251 endpoint 0x9 has invalid wMaxPacketSize 0 [ 572.329254][ T3241] usb 1-1: config 0 interface 0 has no altsetting 0 [ 572.431208][ T3241] usb 1-1: New USB device found, idVendor=045e, idProduct=0283, bcdDevice=99.0b [ 572.432998][ T3241] usb 1-1: New USB device strings: Mfr=1, Product=228, SerialNumber=2 [ 572.435873][ T3241] usb 1-1: Product: syz [ 572.437122][ T3241] usb 1-1: Manufacturer: syz [ 572.438476][ T3241] usb 1-1: SerialNumber: syz [ 572.534411][ T3241] usb 1-1: config 0 descriptor?? [ 573.030630][ T3241] usb 1-1: selecting invalid altsetting 0 [ 574.237781][ T3894] usb 1-1: USB disconnect, device number 2 [ 594.760567][ T3958] sch_tbf: burst 32855 is lower than device lo mtu (65550) ! [ 613.093262][ T3982] input: syz1 as /devices/virtual/input/input0 [ 623.071813][ T4001] input: syz1 as /devices/virtual/input/input1 [ 631.056483][ T4011] ALSA: seq fatal error: cannot create timer (-19) [ 641.653093][ T35] audit: type=1800 audit(640.790:2): pid=4024 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.0.34" name="dmabuf" dev="dmabuf" ino=1 res=0 errno=0 [ 647.425981][ T35] audit: type=1326 audit(646.560:3): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4030 comm="syz.0.36" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xdb906 code=0x0 [ 654.060353][ T4043] netlink: 8 bytes leftover after parsing attributes in process `syz.0.40'. [ 654.061878][ T4043] netlink: 4 bytes leftover after parsing attributes in process `syz.0.40'. [ 654.069832][ T4043] netlink: 'syz.0.40': attribute type 18 has an invalid length. [ 654.267195][ T4043] Zero length message leads to an empty skb [ 721.160702][ T4115] syz.0.65 uses obsolete (PF_INET,SOCK_PACKET) [ 782.265319][ T35] audit: type=1326 audit(781.400:4): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined pid=4185 comm="syz.0.90" exe="/syz-executor" sig=31 arch=c00000f3 syscall=98 compat=0 ip=0xdb906 code=0x0 [ 799.327283][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.330192][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.346502][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.348172][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.349876][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.362371][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.375473][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.377369][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.379012][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.380672][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.411328][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.413098][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.441004][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.442762][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.452317][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.455270][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.456997][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.458665][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.460306][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.473229][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.479220][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.480899][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.482474][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.495800][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.497788][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.502166][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.511271][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.515963][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.517977][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.519552][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.521132][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.522741][ T3241] hid-generic 0000:04AD:0000.0001: unknown main item tag 0x0 [ 799.630506][ T3241] hid-generic 0000:04AD:0000.0001: hidraw0: HID v0.00 Device [syz0] on syz0 [ 813.470247][ T4232] capability: warning: `syz.0.104' uses deprecated v2 capabilities in a way that may be insecure [ 818.512939][ T4236] xt_hashlimit: size too large, truncated to 1048576 [ 819.208860][ T4239] xt_hashlimit: size too large, truncated to 1048576 [ 859.762532][ T4297] Invalid ELF header magic: != ELF [ 860.894561][ T3894] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 861.165918][ T3894] usb 1-1: Using ep0 maxpacket: 8 [ 861.249855][ T3894] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 861.251422][ T3894] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 861.253137][ T3894] usb 1-1: New USB device found, idVendor=046d, idProduct=c20e, bcdDevice= 0.00 [ 861.266654][ T3894] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 861.486751][ T3894] usb 1-1: config 0 descriptor?? [ 863.637663][ T3894] usbhid 1-1:0.0: can't add hid device: -71 [ 863.654951][ T3894] usbhid 1-1:0.0: probe with driver usbhid failed with error -71 [ 863.848382][ T3894] usb 1-1: USB disconnect, device number 3 [ 898.299951][ T4350] GUP no longer grows the stack in syz.1.142 (4350): 200000004000-20000000a000 (200000002000) [ 898.307408][ T4350] CPU: 0 UID: 0 PID: 4350 Comm: syz.1.142 Not tainted 6.16.0-rc1-syzkaller-g306e57988197 #0 PREEMPT [ 898.308184][ T4350] Hardware name: riscv-virtio,qemu (DT) [ 898.308577][ T4350] Call Trace: [ 898.308805][ T4350] [] dump_backtrace+0x2e/0x3c [ 898.310480][ T4350] [] show_stack+0x30/0x3c [ 898.310896][ T4350] [] dump_stack_lvl+0x12e/0x1a6 [ 898.311500][ T4350] [] dump_stack+0x1c/0x24 [ 898.312079][ T4350] [] gup_vma_lookup+0x1e0/0x1ee [ 898.312728][ T4350] [] __get_user_pages+0x236/0x370a [ 898.313195][ T4350] [] get_user_pages_remote+0x2a0/0xa74 [ 898.313648][ T4350] [] __access_remote_vm+0x28a/0x936 [ 898.314183][ T4350] [] access_remote_vm+0x32/0x44 [ 898.314706][ T4350] [] proc_pid_cmdline_read+0x460/0x7f0 [ 898.315209][ T4350] [] vfs_readv+0x53a/0x742 [ 898.315684][ T4350] [] do_preadv+0x1a6/0x252 [ 898.316199][ T4350] [] __riscv_sys_preadv+0x88/0xd4 [ 898.316774][ T4350] [] syscall_handler+0x94/0x118 [ 898.317277][ T4350] [] do_trap_ecall_u+0x396/0x530 [ 898.317671][ T4350] [] handle_exception+0x146/0x152 [ 917.822777][ T3208] hid-generic 0000:0003:0000.0002: unknown main item tag 0x0 [ 917.828125][ T3208] hid-generic 0000:0003:0000.0002: unknown main item tag 0x0 [ 917.909316][ T3208] hid-generic 0000:0003:0000.0002: hidraw0: HID v0.00 Device [syz0] on syz1 [ 921.289334][ T35] audit: type=1800 audit(920.430:5): pid=4387 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.0.154" name="SYSV00000000" dev="hugetlbfs" ino=0 res=0 errno=0 [ 962.340299][ T4442] xt_CT: No such helper "syz0" [ 995.150216][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.154350][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.156624][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.158652][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.160713][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.162738][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.166484][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.168855][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.170972][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.172991][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.175664][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.177988][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.180444][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.182523][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.185368][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.187475][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.189519][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.191573][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.194771][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.197421][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.199656][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.202068][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.205387][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.207859][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.209981][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.212500][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.215407][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.217668][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.220044][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.222327][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.225219][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.227311][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.230772][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.234242][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.236587][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.238627][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.240883][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.242937][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.245802][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.247044][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.255515][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.257938][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.259966][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.262085][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.264864][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.266963][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.269043][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.271511][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.274168][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.276314][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.278721][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.280965][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.282954][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.285871][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.287816][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.289746][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.291787][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.294372][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.296548][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.299012][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 995.301592][ C0] vcan0: j1939_xtp_rx_dat: no tx connection found [ 996.055573][ C0] vcan0: j1939_tp_rxtimer: 0xffffaf801a435000: rx timeout, send abort [ 996.561109][ C0] vcan0: j1939_tp_rxtimer: 0xffffaf801a435000: abort rx timeout. Force session deactivation [ 1014.296831][ T3241] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 1014.624445][ T3241] usb 1-1: config 0 has an invalid interface number: 32 but max is 0 [ 1014.626821][ T3241] usb 1-1: config 0 has no interface number 0 [ 1014.629192][ T3241] usb 1-1: New USB device found, idVendor=0bed, idProduct=1100, bcdDevice=ec.c3 [ 1014.631192][ T3241] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1014.737932][ T3241] usb 1-1: config 0 descriptor?? [ 1014.870895][ T3241] cp210x 1-1:0.32: cp210x converter detected [ 1016.024491][ T3241] cp210x 1-1:0.32: failed to get vendor val 0x000e size 3: -32 [ 1016.445021][ T3241] cp210x 1-1:0.32: GPIO initialisation failed: -19 [ 1016.585778][ T3241] usb 1-1: cp210x converter now attached to ttyUSB0 [ 1017.470103][ T3241] usb 1-1: USB disconnect, device number 4 [ 1017.702032][ T3241] cp210x ttyUSB0: cp210x converter now disconnected from ttyUSB0 [ 1017.771307][ T3241] cp210x 1-1:0.32: device disconnected [ 1049.551664][ T4554] IPv4: Oversized IP packet from 127.202.26.0 [ 1056.425868][ T4562] UHID_CREATE from different security context by process 256 (syz.0.218), this is not allowed. [ 1089.646698][ T4603] netlink: 12 bytes leftover after parsing attributes in process `syz.1.235'. [ 1091.240986][ T4603] bond1: entered promiscuous mode [ 1091.549976][ T4610] team_slave_1: entered promiscuous mode [ 1091.569433][ T4610] bond1: (slave team_slave_1): Enslaving as an active interface with an up link [ 1095.857095][ T4644] input: syz1 as /devices/virtual/input/input2 [ 1129.000773][ T4689] tls_set_device_offload: netdev not found [ 1134.541538][ T4699] tls_set_device_offload_rx: netdev not found [ 1142.887792][ T35] audit: type=1800 audit(1142.020:6): pid=4711 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.1.261" name="dmabuf" dev="dmabuf" ino=18 res=0 errno=0 [ 1151.045674][ C0] vkms_vblank_simulate: vblank timer overrun [ 1159.035112][ T4736] input: syz1 as /devices/virtual/input/input3 [ 1182.238863][ T4768] netlink: 8 bytes leftover after parsing attributes in process `syz.1.281'. [ 1182.240388][ T4768] netlink: 4 bytes leftover after parsing attributes in process `syz.1.281'. [ 1182.241544][ T4768] netlink: 'syz.1.281': attribute type 18 has an invalid length. [ 1183.438880][ T4769] bond_slave_0: entered promiscuous mode [ 1183.441458][ T4769] bond_slave_1: entered promiscuous mode [ 1183.465372][ T4769] macvlan2: entered promiscuous mode [ 1183.467428][ T4769] bond0: entered promiscuous mode [ 1183.805611][ T4769] 8021q: adding VLAN 0 to HW filter on device macvlan2 [ 1324.069322][ T4966] netlink: 44 bytes leftover after parsing attributes in process `syz.1.351'. [ 1335.501826][ T4992] process 'syz.0.358' launched './file2' with NULL argv: empty string added [ 1353.402842][ T4979] hid-generic 0000:0000:0000.0003: unknown main item tag 0x0 [ 1353.565877][ T4979] hid-generic 0000:0000:0000.0003: hidraw0: HID v0.00 Device [syz1] on syz0 [ 1353.859527][ T3894] usb 1-1: new full-speed USB device number 5 using dummy_hcd [ 1354.220811][ T3894] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 1354.223101][ T3894] usb 1-1: config 0 has no interfaces? [ 1354.357560][ T3894] usb 1-1: New USB device found, idVendor=07d0, idProduct=4101, bcdDevice=87.c0 [ 1354.359828][ T3894] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1354.361605][ T3894] usb 1-1: Product: syz [ 1354.371827][ T3894] usb 1-1: Manufacturer: syz [ 1354.374791][ T3894] usb 1-1: SerialNumber: syz [ 1354.502243][ T3894] usb 1-1: config 0 descriptor?? [ 1360.226800][ T3208] usb 1-1: USB disconnect, device number 5 [ 1375.075069][ T5059] raw_sendmsg: syz.1.381 forgot to set AF_INET. Fix it! [ 1396.469824][ T5083] input: syz0 as /devices/virtual/input/input4 [ 1441.992771][ T4979] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 1442.140081][ T3208] hid-generic 0000:0000:0000.0004: unknown main item tag 0x0 [ 1442.219890][ T3208] hid-generic 0000:0000:0000.0004: hidraw0: HID v0.00 Device [syz1] on syz0 [ 1442.277044][ T4979] usb 1-1: Using ep0 maxpacket: 16 [ 1442.792209][ T4979] usb 1-1: config 0 has no interfaces? [ 1442.810770][ T4979] usb 1-1: New USB device found, idVendor=056a, idProduct=0029, bcdDevice= 0.00 [ 1442.824676][ T4979] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1443.058104][ T4979] usb 1-1: config 0 descriptor?? [ 1443.477636][ T5136] hid-generic 0000:0000:0000.0004: pid 5136 passed too large report [ 1443.566411][ T4979] usb 1-1: USB disconnect, device number 6 [ 1450.913088][ T5161] TCP: request_sock_TCPv6: Possible SYN flooding on port [::]:20002. Sending cookies. [ 1471.654514][ C1] vcan0: j1939_tp_rxtimer: 0xffffaf801cc72000: rx timeout, send abort [ 1472.157549][ C1] vcan0: j1939_tp_rxtimer: 0xffffaf801cc72000: abort rx timeout. Force session deactivation [ 1491.567667][ T5225] netlink: 76 bytes leftover after parsing attributes in process `syz.1.438'. [ 1515.661066][ T5265] sch_tbf: burst 0 is lower than device lo mtu (82) ! [ 1518.538374][ T5269] netlink: 'syz.0.454': attribute type 4 has an invalid length. [ 1518.975513][ T5269] netlink: 'syz.0.454': attribute type 4 has an invalid length. [ 1522.746665][ T5275] Dead loop on virtual device ipvlan1, fix it urgently! [ 1522.747431][ T5275] Insufficient stack space to handle exception! [ 1522.747706][ T5275] Task stack: [0xffff8f8007440000..0xffff8f8007448000] [ 1522.747896][ T5275] Overflow stack: [0xffffaf806ed46070..0xffffaf806ed47070] [ 1522.748122][ T5275] CPU: 1 UID: 0 PID: 5275 Comm: syz.1.457 Not tainted 6.16.0-rc1-syzkaller-g306e57988197 #0 PREEMPT [ 1522.748467][ T5275] Hardware name: riscv-virtio,qemu (DT) [ 1522.748708][ T5275] epc : __sanitizer_cov_trace_pc+0x2/0x78 [ 1522.749222][ T5275] ra : number+0xac/0xc1a [ 1522.749592][ T5275] epc : ffffffff804eba12 ra : ffffffff862d4752 sp : ffff8f800743fff0 [ 1522.749897][ T5275] gp : ffffffff89c7e9c0 tp : 0000000000000000 t0 : ffff8f80074408b4 [ 1522.750126][ T5275] t1 : ffff8f8007440300 t2 : 6567727520746920 s0 : ffff8f80074401b0 [ 1522.750355][ T5275] s1 : ffff8f8007440531 a0 : ffff8f8007440531 a1 : ffff8f808744052f [ 1522.750677][ T5275] a2 : 00000000000005f2 a3 : 00000005ffff0a00 a4 : fffffffff3f3f3f3 [ 1522.751043][ T5275] a5 : 00000005ffff0a00 a6 : 0000000000000003 a7 : ffff8f8007440487 [ 1522.751302][ T5275] s2 : dfffffff00000000 s3 : ffff8f8007440280 s4 : ffff8f808744052f [ 1522.751553][ T5275] s5 : ffff8f80074403a8 s6 : 0000000000000001 s7 : ffff8f8007440140 [ 1522.751785][ T5275] s8 : ffff8f80074403a0 s9 : ffff8f808744052f s10: ffffffff8779851c [ 1522.752011][ T5275] s11: 000000007fffffff t3 : 1ffff1f000e88060 t4 : fffff1ef00e88090 [ 1522.752229][ T5275] t5 : fffff1ef00e88091 t6 : ffff8f8007440531 [ 1522.752423][ T5275] status: 0000000200000120 badaddr: ffff8f800743fff0 cause: 000000000000000f [ 1522.753233][ T5275] Kernel panic - not syncing: Kernel stack overflow [ 1522.753801][ T5275] CPU: 1 UID: 0 PID: 5275 Comm: syz.1.457 Not tainted 6.16.0-rc1-syzkaller-g306e57988197 #0 PREEMPT [ 1522.754155][ T5275] Hardware name: riscv-virtio,qemu (DT) [ 1522.754298][ T5275] Call Trace: [ 1522.754411][ T5275] [] dump_backtrace+0x2e/0x3c [ 1522.754770][ T5275] [] show_stack+0x30/0x3c [ 1522.755091][ T5275] [] dump_stack_lvl+0x110/0x1a6 [ 1522.755523][ T5275] [] dump_stack+0x1c/0x24 [ 1522.755888][ T5275] [] panic+0x38c/0x86a [ 1522.756157][ T5275] [] handle_bad_stack+0xd4/0x128 [ 1522.756487][ T5275] [] number+0xac/0xc1a [ 1522.757146][ T5275] SMP: stopping secondary CPUs VM DIAGNOSIS: 02:29:45 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff8008508e mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000220 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86324f84 vstvec 0000000000000000 mepc ffffffff8023bd4e sepc ffffffff8026904e vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000001 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp 90132000000af875 x0/zero 0000000000000000 x1/ra ffffffff8008508a x2/sp ffff8f8000007e30 x3/gp ffffffff89c7e9c0 x4/tp ffffffff88249100 x5/t0 ffff8f8000000000 x6/t1 fffffffef13b1128 x7/t2 ffffaf806ed256c0 x8/s0 ffff8f8000007e60 x9/s1 ffffffff8680c108 x10/a0 0000000000000001 x11/a1 0000000000000004 x12/a2 0000000000000001 x13/a3 ffffffff8008508a x14/a4 0000000000000000 x15/a5 ffffffff88249100 x16/a6 fffffffef13b1129 x17/a7 0000000000000003 x18/s2 0000000000000000 x19/s3 ffffffff910373c0 x20/s4 ffffaf8011a99400 x21/s5 0000000000000004 x22/s6 ffffffff86859240 x23/s7 ffffffff8665d000 x24/s8 ffffffff80084dcc x25/s9 0000000000000000 x26/s10 ffffffff88207da0 x27/s11 1ffffffff1040fa8 x28/t3 4b952e4d00000000 x29/t4 fffffffef13b1128 x30/t5 fffffffef13b1129 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 ffffffff81ec27d4 mhartid 0000000000000001 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000020 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86324f84 vstvec 0000000000000000 mepc ffffffff8008eba2 sepc ffffffff804eba12 vsepc 0000000000000000 mcause 0000000000000009 scause 000000000000000f vscause 0000000000000000 mtval 0000000000000000 stval ffff8f800743fff0 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp 903a5000000b1a0f x0/zero 0000000000000000 x1/ra ffffffff81ec27d0 x2/sp ffffaf806ed46980 x3/gp ffffffff89c7e9c0 x4/tp ffffaf8018a91a40 x5/t0 0000000000000000 x6/t1 0000000000000001 x7/t2 2065726177647261 x8/s0 ffffaf806ed46b40 x9/s1 0000000000000023 x10/a0 0000000000000005 x11/a1 0000000000000000 x12/a2 0000000000080000 x13/a3 ffffffff81ec27d0 x14/a4 ffff8f80081700b8 x15/a5 00000000000f40b8 x16/a6 0000000000000003 x17/a7 0000000000000003 x18/s2 ffffffff91025c80 x19/s3 ffffaf806ed46ac0 x20/s4 0000000000000001 x21/s5 ffffffff90e40f60 x22/s6 0000000200000120 x23/s7 ffffffff88b02478 x24/s8 1ffffffff1160490 x25/s9 ffffffff88b02480 x26/s10 dfffffff00000000 x27/s11 ffffaf806ed46ca0 x28/t3 ffffffff90e40f77 x29/t4 fffffffef139055c x30/t5 fffffffef139055d x31/t6 ffffffff90e40f77 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