BUG: looking up invalid subclass: 8 turning off the locking correctness validator. CPU: 0 PID: 15952 Comm: syz-executor.5 Not tainted 4.19.198-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 look_up_lock_class kernel/locking/lockdep.c:662 [inline] register_lock_class+0x3d8/0x11c0 kernel/locking/lockdep.c:749 __lockdep_init_map+0x263/0x5a0 kernel/locking/lockdep.c:3215 vlan_dev_set_lockdep_class net/8021q/vlan_dev.c:511 [inline] vlan_dev_init+0x780/0xc80 net/8021q/vlan_dev.c:606 register_netdevice+0x2dc/0x10f0 net/core/dev.c:8659 register_vlan_dev+0x2f1/0x7d0 net/8021q/vlan.c:172 vlan_newlink+0x477/0x6d0 net/8021q/vlan_netlink.c:189 rtnl_newlink+0x1030/0x15c0 net/core/rtnetlink.c:3141 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2457 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1911 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2225 __sys_sendmsg net/socket.c:2263 [inline] __do_sys_sendmsg net/socket.c:2272 [inline] __se_sys_sendmsg net/socket.c:2270 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2270 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f642c1e0188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffedc2ed37f R14: 00007f642c1e0300 R15: 0000000000022000 nla_parse: 20 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_UP): vlan120: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan121: link is not ready netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_UP): vlan122: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan123: link is not ready pit: kvm: requested 838 ns i8254 timer period limited to 200000 ns *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x0000000000000000 RSP = 0x0000000000000000 RIP = 0x0000000000000000 RFLAGS=0x00073ac7 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_UP): vlan124: link is not ready GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 IPv6: ADDRCONF(NETDEV_UP): vlan125: link is not ready audit: type=1800 audit(1627433099.247:542): pid=16074 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=14351 res=0 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811a998f RSP = 0xffff888033f0f8c0 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f0f3e65c700 GSBase=ffff8880ba100000 TRBase=fffffe0000003000 GDTBase=fffffe0000032000 IDTBase=fffffe0000000000 CR0=0000000080050033 CR3=00000000ab7a6000 CR4=00000000001426e0 Sysenter RSP=fffffe0000034000 CS:RIP=0010:ffffffff88201290 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. *** Control State *** PinBased=0000003f CPUBased=b5a06dfa SecondaryExec=000000e3 IPv6: ADDRCONF(NETDEV_UP): vlan126: link is not ready EntryControls=0000d1ff ExitControls=002fefff IPv6: ADDRCONF(NETDEV_UP): vlan127: link is not ready ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffe2926ab3b4c TPR Threshold = 0x00 EPT pointer = 0x000000009b14301e Virtual processor ID = 0x0001 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. pit: kvm: requested 838 ns i8254 timer period limited to 200000 ns *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 IPv6: ADDRCONF(NETDEV_UP): vlan128: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan129: link is not ready CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. CR3 = 0x0000000000000000 RSP = 0x0000000000000000 RIP = 0x0000000000000000 RFLAGS=0x00073ac7 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000 IPv6: ADDRCONF(NETDEV_UP): vlan130: link is not ready DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 IPv6: ADDRCONF(NETDEV_UP): vlan131: link is not ready ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811a998f RSP = 0xffff8880372278c0 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f0f3e65c700 GSBase=ffff8880ba000000 TRBase=fffffe0000034000 GDTBase=fffffe0000032000 IDTBase=fffffe0000000000 CR0=0000000080050033 CR3=00000000b14cc000 CR4=00000000001426f0 Sysenter RSP=fffffe0000034000 CS:RIP=0010:ffffffff88201290 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b5a06dfa SecondaryExec=000000e3 EntryControls=0000d1ff ExitControls=002fefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffe287bfdd732 TPR Threshold = 0x00 EPT pointer = 0x000000008f0a401e Virtual processor ID = 0x0001 pit: kvm: requested 838 ns i8254 timer period limited to 200000 ns IPv6: ADDRCONF(NETDEV_UP): vlan132: link is not ready *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 IPv6: ADDRCONF(NETDEV_UP): vlan133: link is not ready nla_parse: 5 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x0000000000000000 RSP = 0x0000000000000000 RIP = 0x0000000000000000 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. RFLAGS=0x00073ac7 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 IPv6: ADDRCONF(NETDEV_UP): vlan134: link is not ready SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811a998f RSP = 0xffff8880957d78c0 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f0f3e65c700 GSBase=ffff8880ba100000 TRBase=fffffe0000034000 GDTBase=fffffe0000032000 IDTBase=fffffe0000000000 CR0=0000000080050033 CR3=00000000426f4000 CR4=00000000001426e0 Sysenter RSP=fffffe0000003000 CS:RIP=0010:ffffffff88201290 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b5a06dfa SecondaryExec=000000e3 EntryControls=0000d1ff ExitControls=002fefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffe280defc4cf TPR Threshold = 0x00 EPT pointer = 0x000000004d0d001e Virtual processor ID = 0x0001 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_UP): vlan135: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan136: link is not ready netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. pit: kvm: requested 838 ns i8254 timer period limited to 200000 ns *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002040, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. CR3 = 0x0000000000000000 RSP = 0x0000000000000000 RIP = 0x0000000000000000 IPv6: ADDRCONF(NETDEV_UP): vlan137: link is not ready RFLAGS=0x00073ac7 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 IPv6: ADDRCONF(NETDEV_UP): vlan138: link is not ready CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811a998f RSP = 0xffff8880a3aef8c0 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f0f3e65c700 GSBase=ffff8880ba000000 TRBase=fffffe0000034000 GDTBase=fffffe0000032000 IDTBase=fffffe0000000000 CR0=0000000080050033 CR3=000000009d0eb000 CR4=00000000001426f0 Sysenter RSP=fffffe0000034000 CS:RIP=0010:ffffffff88201290 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b5a06dfa SecondaryExec=000000e3 EntryControls=0000d1ff ExitControls=002fefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffe278fa30ab6 TPR Threshold = 0x00 EPT pointer = 0x000000009fb5d01e Virtual processor ID = 0x0001 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. ptrace attach of "/root/syz-executor.4"[16452] was attempted by "/root/syz-executor.4"[16453] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_UP): vlan139: link is not ready netlink: 36 bytes leftover after parsing attributes in process `syz-executor.2'. ptrace attach of "/root/syz-executor.0"[16490] was attempted by "/root/syz-executor.0"[16493] IPv6: ADDRCONF(NETDEV_UP): vlan140: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan141: link is not ready encrypted_key: insufficient parameters specified encrypted_key: insufficient parameters specified IPv6: ADDRCONF(NETDEV_UP): vlan142: link is not ready ptrace attach of "/root/syz-executor.1"[16586] was attempted by "/root/syz-executor.1"[16587] IPv6: ADDRCONF(NETDEV_UP): vlan143: link is not ready ptrace attach of "/root/syz-executor.4"[16632] was attempted by "/root/syz-executor.4"[16635] ptrace attach of "/root/syz-executor.4"[16651] was attempted by "/root/syz-executor.4"[16657] IPv6: ADDRCONF(NETDEV_UP): vlan144: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan145: link is not ready ptrace attach of "/root/syz-executor.0"[16733] was attempted by "/root/syz-executor.0"[16734] IPv6: ADDRCONF(NETDEV_UP): vlan146: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan147: link is not ready