Extracting prog: 38m6.686516511s
Minimizing prog: 1h28m2.953471487s
Simplifying prog options: 0s
Extracting C: 3m41.4430056s
Simplifying C: 17m10.229665686s


extracting reproducer from 37 programs
testing a last program of every proc
single: executing 7 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-sendmmsg$inet6-sendmmsg$inet6-shutdown-ioctl$ifreq_SIOCGIFINDEX_vcan-bpf$MAP_CREATE-socket$nl_route-sendmsg$nl_route_sched-setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS
detailed listing:
executing program 0:
r0 = socket$inet6(0xa, 0x1, 0x8010000000000084)
sendmmsg$inet6(r0, &(0x7f0000005800)=[{{&(0x7f0000000000)={0xa, 0x4e24, 0x1000, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x3}, 0x1c, &(0x7f00000007c0)=[{&(0x7f0000000080)="8b091f56f1", 0x5}], 0x1}}], 0x1, 0x20000084) (async, rerun: 64)
sendmmsg$inet6(r0, &(0x7f0000004cc0)=[{{&(0x7f0000000040)={0xa, 0x4e22, 0x1ff, @private0, 0x401}, 0x1c, &(0x7f00000001c0)=[{&(0x7f00000003c0)="f5", 0x1}], 0x1}}, {{&(0x7f0000000480)={0xa, 0x4e24, 0x4, @private2={0xfc, 0x2, '\x00', 0x1}, 0x8e}, 0x1c, &(0x7f0000000d80)}}], 0x2, 0x40) (async, rerun: 64)
shutdown(r0, 0x1) (async, rerun: 64)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000140)={'vcan0\x00', <r1=>0x0}) (rerun: 64)
bpf$MAP_CREATE(0x0, &(0x7f0000000400)=@bloom_filter={0x1e, 0x7, 0x23a7, 0x4, 0x1, 0x1, 0x3, '\x00', r1, 0xffffffffffffffff, 0x1, 0x2, 0x1, 0x5}, 0x50) (async)
r2 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newtaction={0x98, 0x30, 0x871a15abc695fb3d, 0x0, 0x25dfdbfe, {}, [{0x84, 0x1, [@m_tunnel_key={0x80, 0x1, 0x0, 0x0, {{0xf}, {0x50, 0x2, 0x0, 0x1, [@TCA_TUNNEL_KEY_PARMS={0x1c, 0x2, {{0x2}, 0x1}}, @TCA_TUNNEL_KEY_ENC_IPV4_SRC={0x8, 0xc, @local}, @TCA_TUNNEL_KEY_ENC_IPV6_DST={0x14, 0x6, @local}, @TCA_TUNNEL_KEY_ENC_IPV6_SRC={0x14, 0x5, @loopback}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0x98}}, 0x0) (async)
setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000300)={0x0, @in6={{0xa, 0x4e24, 0x0, @private2={0xfc, 0x2, '\x00', 0x1}}}, 0x0, 0x1, 0x3bf8580d, 0x0, 0xb3550aa4ba878396, 0x2}, 0x9c)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-bpf$BPF_BTF_LOAD-socket$inet6_udp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$sock_SIOCGIFINDEX-socket$inet6_sctp-ioctl$sock_SIOCETHTOOL-bpf$TOKEN_CREATE-bpf$PROG_LOAD-socket$pppl2tp-socket$inet6_udp-connect$pppl2tp-close-setsockopt$inet6_IPV6_XFRM_POLICY-socket$pppl2tp-connect$pppl2tp-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bpf$PROG_LOAD_XDP-bpf$BPF_LINK_CREATE_XDP-close-ioctl$PPPIOCGL2TPSTATS-ioctl$BTRFS_IOC_GET_SUBVOL_INFO-socket-sendmsg$nl_route_sched-bpf$MAP_CREATE_CONST_STR-bpf$MAP_CREATE-bpf$MAP_GET_NEXT_KEY-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$BPF_PROG_WITH_BTFID_LOAD
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000200)={&(0x7f0000000240)=ANY=[@ANYBLOB="9feb0100180000000000000024000000240000000a000000080000000200000fffffffff0e000000000000000380000007000000030000ca75ffffff00000000000000002e"], &(0x7f0000000d80)=""/249, 0x46, 0xf9, 0x6}, 0x28)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000001340)={0x1e, 0x4, &(0x7f0000001400)=@framed={{}, [@ldst={0x1, 0x2, 0x3, 0x2, 0x1, 0x11}]}, &(0x7f0000001440)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x24, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000c80)={'lo\x00', <r3=>0x0})
r4 = socket$inet6_sctp(0xa, 0x5, 0x84)
ioctl$sock_SIOCETHTOOL(r4, 0x8946, &(0x7f0000000040)={'gre0\x00', &(0x7f0000000080)=@ethtool_rxnfc={0x2a, 0x7, 0x5, {0x10, @sctp_ip4_spec={@dev={0xac, 0x14, 0x14, 0x14}, @multicast2, 0x4e23, 0x4e23, 0xb}, {0x0, @random="11e508bee0e3", 0x9, 0x8, [0x4, 0xffffff90]}, @usr_ip4_spec={@initdev={0xac, 0x1e, 0x0, 0x0}, @initdev={0xac, 0x1e, 0x1, 0x0}, 0x100, 0x14, 0x1, 0x9}, {0x0, @random="204a59a02eaa", 0x6, 0x8, [0x4, 0x7ff]}, 0xfffffffffffffffc, 0x2}}})
bpf$TOKEN_CREATE(0x24, &(0x7f0000000e80)={0x0, r1}, 0x8)
bpf$PROG_LOAD(0x5, &(0x7f0000000ec0)={0x18, 0xe, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000000cc0)='GPL\x00', 0x3, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x8, &(0x7f0000000d00), 0x8, 0x10, &(0x7f0000000d40), 0x10}, 0x94)
r5 = socket$pppl2tp(0x18, 0x1, 0x1)
r6 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$pppl2tp(r5, &(0x7f0000001100)=@pppol2tpv3={0x18, 0x1, {0x3, r6, {0x2, 0x0, @dev}, 0x2}}, 0x2e)
close(r5)
setsockopt$inet6_IPV6_XFRM_POLICY(r6, 0x29, 0x23, &(0x7f0000001480)={{{@in, @in6=@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, 0x0, 0x0, 0x0, 0x0, 0xa}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800}}, {{@in=@multicast2, 0x0, 0x32}, 0x0, @in=@local}}, 0xe8)
r7 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r5, &(0x7f0000001580)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x2, 0x3, 0x1, 0x3, {0xa, 0x4e24, 0x3, @loopback, 0x3}}}, 0x3a)
r8 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r8, 0x8933, &(0x7f00000015c0)={'netdevsim0\x00', <r9=>0x0})
r10 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000001600)={0x6, 0x3, &(0x7f00000016c0)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000001700)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', r9}, 0x94)
r11 = bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000001740)={r10, r9, 0x25, 0x8, @void}, 0x10)
close(r11)
ioctl$PPPIOCGL2TPSTATS(r7, 0x80487436, 0x0)
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r6, 0x81f8943c, &(0x7f0000001780))
socket(0x1a, 0x8, 0x1)
sendmsg$nl_route_sched(r0, &(0x7f0000001200)={0x0, 0xfffffffffffffff5, &(0x7f0000000000)={&(0x7f00000002c0)=@newqdisc={0x48, 0x24, 0x4ee4e6a52ff56541, 0x0, 0x0, {0x0, 0x0, 0x0, r3, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_fq={{0x7}, {0x1c, 0x2, [@TCA_FQ_FLOW_DEFAULT_RATE={0x18, 0x10, 0x3}, @TCA_FQ_FLOW_MAX_RATE={0x2, 0x2, 0x14000000}, @TCA_FQ_PLIMIT={0x1300, 0x1, 0x5}]}}]}, 0x48}}, 0x0)
r12 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000fc0)=ANY=[@ANYBLOB="0200000004000000080000000100000080000000", @ANYRES32, @ANYBLOB="ffff0000000000000000004b6f2fc10000000000", @ANYRES32=0x0, @ANYRES32, @ANYBLOB="04000000010000000500"/28], 0x50)
r13 = bpf$MAP_CREATE(0x0, &(0x7f0000001040)=@base={0x9, 0x4, 0x2, 0x5}, 0x48)
bpf$MAP_GET_NEXT_KEY(0x2, &(0x7f00000010c0)={r13, &(0x7f0000001100), &(0x7f0000001140)=""/10, 0x2}, 0x20)
bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f0000001180)={0x1, <r14=>0xffffffffffffffff}, 0x4)
bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000001280)=@bpf_lsm={0x1d, 0x4, &(0x7f0000000140)=ANY=[@ANYBLOB="180000000100000000000000020000002480c0fff0008b588e80e75f5c000000"], &(0x7f0000000180)='syzkaller\x00', 0x7, 0x0, 0x0, 0x41100, 0x2, '\x00', r3, 0x1b, 0xffffffffffffffff, 0x8, &(0x7f00000001c0)={0x5, 0x3}, 0x8, 0x10, &(0x7f0000000f80)={0x1, 0xb, 0x4, 0x4}, 0x10, 0x0, 0x0, 0x1, &(0x7f00000011c0)=[r12, r13, r14], &(0x7f0000001240)=[{0x3, 0x1, 0xb, 0xc}]}, 0x94)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$igmp6-socket$kcm-ioctl$SIOCSIFHWADDR-sendmsg$inet-ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD-write$tun-socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x48241, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller1\x00', 0x6bf1c2d5adba8c32})
r1 = socket$igmp6(0xa, 0x3, 0x2)
r2 = socket$kcm(0x2, 0xa, 0x2)
ioctl$SIOCSIFHWADDR(r2, 0x8914, &(0x7f0000000080)={'syzkaller1\x00', @link_local})
sendmsg$inet(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {0x0, @local, @initdev={0xac, 0x1e, 0x0, 0x0}}}}], 0x20}, 0x240088d4)
ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r1, 0x8983, &(0x7f0000000140)={0x0, 'syzkaller1\x00', {0x2}})
write$tun(r0, &(0x7f0000000180)=ANY=[@ANYBLOB="06000000bbbbbbbbbbbbaaaaaaaaaabb88f5"], 0x72)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000380)=@newlink={0x50, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_IFNAME={0x14, 0x3, 'bridge0\x00'}, @IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_STP_STATE={0x8, 0x5, 0x1}]}}}]}, 0x50}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet6_mptcp-bind$inet6-listen-socket$nl_generic-syz_genetlink_get_family_id$mptcp-socket$inet_mptcp-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL-connect$inet-sendto$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_mptcp(0xa, 0x1, 0x106)
bind$inet6(r1, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @empty, 0x7}, 0x1c)
listen(r1, 0xfffffffc)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$mptcp(&(0x7f0000000040), r2)
r3 = socket$inet_mptcp(0x2, 0x1, 0x106)
r4 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000180)={'ip6tnl0\x00', <r5=>0x0})
sendmsg$nl_route_sched(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x3c, 0x24, 0x3fe3aa0262d8c583, 0x70bd2c, 0x0, {0x0, 0x0, 0x0, r5, {0x0, 0xfff3}, {0xffff, 0xffff}, {0x6}}, [@qdisc_kind_options=@q_fq_pie={{0xb}, {0xc, 0x8002, [@TCA_FQ_PIE_ECN_PROB={0x8, 0x9, 0x2a}]}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x2}, 0x2000400c)
ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(0xffffffffffffffff, 0x89f0, &(0x7f0000000440)={'ip6tnl0\x00', &(0x7f0000000300)={'ip6gre0\x00', r5, 0x29, 0xfe, 0x1, 0x1, 0xf, @private2, @private0, 0x40, 0x7, 0x9, 0x80000000}})
connect$inet(r3, &(0x7f0000000080)={0x2, 0x4e22, @local}, 0x10)
sendto$inet(r3, &(0x7f0000000140)="1c", 0x10002, 0x0, 0x0, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'bridge0\x00', <r6=>0x0})
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=ANY=[@ANYBLOB="b800000010000104050000000300000000000000", @ANYRES32=0x0, @ANYBLOB="c3670400000000009000128009000100766c616e00000000800002800600010003000000640004800c00010008000000060000000c00010007000000050000000c00010003000000070000000c00010000000000040000000c00010070000000940f00000c000100ff010000030000000c0001007ac00000000000000c00010000010000ff000000100003800c004100020000009b04000008000500", @ANYRES32=r6], 0xb8}, 0x1, 0x0, 0x0, 0x20004800}, 0x4000000)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$tun-ioctl$TUNSETIFF-openat$tun-close-close-socket$netlink-pipe-pipe-ioctl$int_in-close-ioctl$SIOCSIFHWADDR-socket$unix-setsockopt$inet_tcp_buf-setsockopt$inet_tcp_buf-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$netlink-socket$netlink-openat$cgroup_ro-mmap-mmap-syz_init_net_socket$x25-syz_init_net_socket$x25-ioctl$SIOCX25SFACILITIES-socket$unix-ioctl$sock_SIOCGIFINDEX-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket$packet-sendto$packet-socket$inet_sctp-getsockopt$inet_IP_IPSEC_POLICY-socket$nl_xfrm-socket$nl_xfrm-sendmsg$nl_xfrm-socket$nl_route-socket$nl_route-sendmsg$NL80211_CMD_FRAME-bpf$MAP_CREATE
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000640), 0x0, 0x0) (async)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000640), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000680)={'syzkaller0\x00', 0x2})
r1 = openat$tun(0xffffffffffffff9c, &(0x7f00000006c0), 0x8e40, 0x0)
close(r1) (async)
close(r1)
socket$netlink(0x10, 0x3, 0x0)
pipe(&(0x7f0000000a40)) (async)
pipe(&(0x7f0000000a40)={<r2=>0xffffffffffffffff, <r3=>0xffffffffffffffff})
ioctl$int_in(r2, 0x5452, &(0x7f0000000a80)=0x48000)
close(r2)
ioctl$SIOCSIFHWADDR(r1, 0x8914, &(0x7f0000000700)={'syzkaller0\x00', @multicast})
r4 = socket$unix(0x1, 0x1, 0x0)
setsockopt$inet_tcp_buf(r3, 0x6, 0x21, &(0x7f00000004c0)="2d2901cd3ae5b8cf25d83ae0639a4c284369d86e96f9c146bcfdad8f5931bfef6e51dc4ab5877d48af2eb4c3182e846f8987ae2e92bb8db7863bcda71634ebd2ddfc8f20a9c1dda1577a96ad1af5718b406b3fab626604dd5beeaaf4592956a5ad7950b6be241741623f9c16a694af58dec134ea1c81867f3125cfb3dbe686c688e96b120cb267cfbaca7906511bacd9166ecb8fb9de7ad0", 0x98) (async)
setsockopt$inet_tcp_buf(r3, 0x6, 0x21, &(0x7f00000004c0)="2d2901cd3ae5b8cf25d83ae0639a4c284369d86e96f9c146bcfdad8f5931bfef6e51dc4ab5877d48af2eb4c3182e846f8987ae2e92bb8db7863bcda71634ebd2ddfc8f20a9c1dda1577a96ad1af5718b406b3fab626604dd5beeaaf4592956a5ad7950b6be241741623f9c16a694af58dec134ea1c81867f3125cfb3dbe686c688e96b120cb267cfbaca7906511bacd9166ecb8fb9de7ad0", 0x98)
ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000740)={'syzkaller0\x00', <r5=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000780)={0x0, 0x0, &(0x7f00000007c0)={&(0x7f0000000800)=@newqdisc={0x48, 0x24, 0x4ee4e6a52ff56541, 0x70bd26, 0xffffffff, {0x0, 0x0, 0x0, r5, {0x0, 0x7}, {0xffe0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x8, 0x4}}]}}]}, 0x48}, 0x1, 0x0, 0x0, 0x1}, 0x20040084)
socket$netlink(0x10, 0x3, 0x0) (async)
r6 = socket$netlink(0x10, 0x3, 0x0)
r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000ac0)='cpuacct.usage_sys\x00', 0x275a, 0x0)
mmap(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x1, 0x10012, r7, 0x0) (async)
mmap(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x1, 0x10012, r7, 0x0)
syz_init_net_socket$x25(0x9, 0x5, 0x0) (async)
r8 = syz_init_net_socket$x25(0x9, 0x5, 0x0)
ioctl$SIOCX25SFACILITIES(r8, 0x89e3, 0x0)
r9 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r9, 0x8933, &(0x7f0000000880)={'syzkaller0\x00'}) (async)
ioctl$sock_SIOCGIFINDEX(r9, 0x8933, &(0x7f0000000880)={'syzkaller0\x00', <r10=>0x0})
sendmsg$nl_route_sched(r6, &(0x7f00000008c0)={0x0, 0x0, &(0x7f0000000900)={&(0x7f0000000940)=@newqdisc={0x8c, 0x28, 0x4ee4e6a52ff56541, 0x4001, 0xfffffdfc, {0x0, 0x0, 0x0, r10, {0x4}, {0xffff}, {0x2, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x0, [0x10, 0x7, 0xd, 0xf, 0x10, 0x1, 0xd, 0x5, 0x9, 0xc, 0x6, 0x4, 0x2, 0xd, 0x9, 0xf], 0x0, [0x6, 0x3, 0x2, 0x5, 0x40, 0x6, 0x3, 0xf6e, 0x9, 0x3, 0x3, 0x80, 0x6, 0x0, 0x2, 0x3], [0x4, 0x5, 0xfffa, 0x2, 0xb1a1, 0xfff, 0x7, 0x2, 0x8, 0x5, 0xff4, 0x3, 0x5, 0x8, 0xffff, 0x4]}}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x810}, 0x0)
r11 = socket$packet(0x11, 0x2, 0x300)
sendto$packet(r11, 0x0, 0x0, 0x48040, &(0x7f0000000a00)={0x11, 0x7, r10, 0x1, 0x6, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x14)
r12 = socket$inet_sctp(0x2, 0x1, 0x84)
getsockopt$inet_IP_IPSEC_POLICY(r12, 0x0, 0x10, &(0x7f0000000080)={{{@in6=@remote, @in6=@private0}}, {{@in=@local}, 0x0, @in=@empty}}, &(0x7f0000000180)=0xe8)
socket$nl_xfrm(0x10, 0x3, 0x6) (async)
r13 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r13, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYBLOB="3801000010000100000000000000000000000000000000000000ffffac1e00017bfa00000000000000000000000000bb000000000000f1ff0000000000000000", @ANYRES32=0x0, @ANYRES32, @ANYBLOB="00000000000000000000000000000000000000006c000000fe8000000000000000000000000000bb00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a0002002000000000000000480003006465666c61746500"/240], 0x138}}, 0x0)
socket$nl_route(0x10, 0x3, 0x0) (async)
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$NL80211_CMD_FRAME(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x800}, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000440)=@bloom_filter={0x1e, 0x0, 0xca, 0x3, 0x0, 0x1}, 0x50)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-sendto$inet
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4) (async)
r0 = socket$inet_tcp(0x2, 0x1, 0x0) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000) (async, rerun: 64)
sendto$inet(r0, 0x0, 0x38, 0x20000800, &(0x7f0000000100)={0x2, 0x0, @remote}, 0x10) (rerun: 64)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4) (async)
socket$inet_tcp(0x2, 0x1, 0x0) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000) (async, rerun: 64)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4) (async)
socket$inet_tcp(0x2, 0x1, 0x0) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4) (async)
socket$inet_tcp(0x2, 0x1, 0x0) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000) (async, rerun: 64)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4) (async)
socket$inet_tcp(0x2, 0x1, 0x0) (async)
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000) (async, rerun: 64)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000) (async, rerun: 64)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$inet_tcp(0x2, 0x1, 0x0) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000) (async, rerun: 64)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(0x0, r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={0x0, 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB, @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB, @ANYRES16=r1, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
program crashed: BUG: MAX_LOCKDEP_KEYS too low!
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_sock_diag-socket$inet_tcp-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT
detailed listing:
executing program 0:
socket$nl_sock_diag(0x10, 0x3, 0x4)
socket$inet_tcp(0x2, 0x1, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010029bd7000fbdbdf25010000000c00020000000000000000001c0007801800018008000100", @ANYBLOB="04"], 0x3c}, 0x1, 0x0, 0x0, 0x4000004}, 0x4000)

program crashed: BUG: MAX_LOCKDEP_KEYS too low!
validation run: crashed=true
reproducing took 2h35m30.922387238s
repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 10021 Comm: syz.0.1954 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 register_lock_class+0x2aa/0x2e0 kernel/locking/lockdep.c:1376
 __lock_acquire+0x10c/0x2de0 kernel/locking/lockdep.c:5162
 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942
 blk_alloc_queue+0x544/0x690 block/blk-core.c:505
 blk_mq_alloc_queue block/blk-mq.c:4439 [inline]
 __blk_mq_alloc_disk+0x194/0x390 block/blk-mq.c:4486
 nbd_dev_add+0x494/0xb60 drivers/block/nbd.c:1996
 nbd_genl_connect+0x96c/0x1cd0 drivers/block/nbd.c:2223
 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114
 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
 genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2584
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x8ef/0xa80 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x7f0/0xb20 net/netlink/af_netlink.c:1920
 sock_sendmsg_nosec+0x14e/0x190 net/socket.c:800
 __sock_sendmsg net/socket.c:818 [inline]
 ____sys_sendmsg+0x54e/0x850 net/socket.c:2715
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2769
 __sys_sendmsg net/socket.c:2801 [inline]
 __do_sys_sendmsg net/socket.c:2806 [inline]
 __se_sys_sendmsg net/socket.c:2804 [inline]
 __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2804
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f344b59fb19
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffded3ed348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f344b825fa0 RCX: 00007f344b59fb19
RDX: 0000000000004000 RSI: 00002000000001c0 RDI: 0000000000000006
RBP: 00007f344b637b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f344b825fac R14: 00007f344b825fa0 R15: 00007f344b825fa0
 </TASK>

final repro crashed as (corrupted=false):
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 10021 Comm: syz.0.1954 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 register_lock_class+0x2aa/0x2e0 kernel/locking/lockdep.c:1376
 __lock_acquire+0x10c/0x2de0 kernel/locking/lockdep.c:5162
 lock_acquire+0x115/0x350 kernel/locking/lockdep.c:5942
 blk_alloc_queue+0x544/0x690 block/blk-core.c:505
 blk_mq_alloc_queue block/blk-mq.c:4439 [inline]
 __blk_mq_alloc_disk+0x194/0x390 block/blk-mq.c:4486
 nbd_dev_add+0x494/0xb60 drivers/block/nbd.c:1996
 nbd_genl_connect+0x96c/0x1cd0 drivers/block/nbd.c:2223
 genl_family_rcv_msg_doit+0x233/0x340 net/netlink/genetlink.c:1114
 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
 genl_rcv_msg+0x614/0x7a0 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2584
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x8ef/0xa80 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x7f0/0xb20 net/netlink/af_netlink.c:1920
 sock_sendmsg_nosec+0x14e/0x190 net/socket.c:800
 __sock_sendmsg net/socket.c:818 [inline]
 ____sys_sendmsg+0x54e/0x850 net/socket.c:2715
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2769
 __sys_sendmsg net/socket.c:2801 [inline]
 __do_sys_sendmsg net/socket.c:2806 [inline]
 __se_sys_sendmsg net/socket.c:2804 [inline]
 __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2804
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f344b59fb19
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffded3ed348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f344b825fa0 RCX: 00007f344b59fb19
RDX: 0000000000004000 RSI: 00002000000001c0 RDI: 0000000000000006
RBP: 00007f344b637b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f344b825fac R14: 00007f344b825fa0 R15: 00007f344b825fa0
 </TASK>