Extracting prog: 4m14.846416685s Minimizing prog: 8m14.618904043s Simplifying prog options: 5m46.546135028s Extracting C: 3m1.545883617s Simplifying C: 0s extracting reproducer from 30 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_team-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000100)={'team0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000001540)=ANY=[@ANYBLOB="4400000010003b15000800"/20, @ANYRES32=0x0, @ANYBLOB="0000000000b401001c00128009000100626f6e64000000000c000280050001000600000008000a00", @ANYRES32=r1], 0x44}}, 0x0) program did not crash single: failed to extract reproducer bisect: bisecting 30 programs with base timeout 30s testing program (duration=37s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3] detailed listing: executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000003c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0) sendmsg$NFT_BATCH(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000b00)={&(0x7f00000000c0)={{0x14}, [@NFT_MSG_NEWRULE={0x40, 0x6, 0xa, 0x401, 0x0, 0x0, {0x2}, [@NFTA_RULE_EXPRESSIONS={0x14, 0x4, 0x0, 0x1, [{0x10, 0x1, 0x0, 0x1, @bitwise={{0xc}, @void}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz2\x00'}]}], {0x14}}, 0x68}}, 0x0) executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=@newqdisc={0x3c, 0x24, 0x300, 0x70bd29, 0x25dfdc00, {0x60, 0x0, 0x0, 0x0, {0x7, 0x3}, {0xfff1, 0x6}, {0x7, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_ATM={0x8, 0x4, 0x2}]}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x44045}, 0x10) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="500000001000010425bbe5ad600027842cf52300", @ANYRES32=0x0, @ANYBLOB="0000000000008000280012800a00010076786c616e"], 0x50}}, 0x4000000) executing program 4: mmap(&(0x7f0000001000/0xc00000)=nil, 0xc00000, 0x0, 0x3032, 0xffffffffffffffff, 0x0) r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) setsockopt$IPT_SO_SET_REPLACE(r0, 0x0, 0x40, &(0x7f00000009c0)=@mangle={'mangle\x00', 0x1f, 0x6, 0x13c8, 0x0, 0x1250, 0x11b0, 0x11b0, 0xc0, 0x1420, 0x1420, 0x1420, 0x1420, 0x1420, 0x6, 0x0, {[{{@ip={@rand_addr, @dev, 0x0, 0x0, 'bridge0\x00', 'syzkaller1\x00'}, 0x0, 0x70, 0x98}, @ECN={0x28}}, {{@ip={@dev, @broadcast, 0x0, 0x0, 'ip6gre0\x00', 'veth1_macvtap\x00'}, 0x0, 0x10a0, 0x10c8, 0x0, {}, [@common=@unspec=@cgroup1={{0x1030}, {0x0, 0x0, 0x0, 0x0, './cgroup.cpu/syz1\x00'}}]}, @TTL={0x28}}, {{@ip={@broadcast, @remote, 0x0, 0x0, 'wg2\x00', 'lo\x00'}, 0x0, 0x70, 0xa0}, @TPROXY={0x30, 'TPROXY\x00', 0x0, {0x0, 0x0, @remote}}}, {{@uncond, 0x0, 0x70, 0x98}, @ECN={0x28}}, {{@uncond, 0x0, 0x70, 0x98}, @ECN={0x28}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x1428) executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4e, &(0x7f0000000080)=0x3, 0x4) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @local, 0x6}, 0x1c) executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_COALESCE_SET(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)={0x3c, r1, 0x1, 0x70bd2e, 0x25dfdbfb, {}, [@ETHTOOL_A_COALESCE_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'netdevsim0\x00'}]}, @ETHTOOL_A_COALESCE_USE_CQE_MODE_RX={0x5}, @ETHTOOL_A_COALESCE_RX_USECS_LOW={0x8, 0xe, 0x9}]}, 0x3c}}, 0x0) executing program 2: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000040)=ANY=[@ANYRES32=r0, @ANYRES32, @ANYBLOB='5\x00\x00\x00'], 0x10) executing program 1: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000480)=[{&(0x7f0000000000)="1400000010003507d25a806f8c6394f90324fc60", 0x14}], 0x1}, 0x0) recvmmsg(r0, &(0x7f0000000bc0)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000001340)=""/4088, 0xff8}], 0x1}, 0x1}], 0x2, 0x0, 0x0) executing program 4: r0 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000240)={0x2, 0x4, 0x8, 0x1, 0x80, 0x0, 0x0, '\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x1a) r1 = bpf$MAP_CREATE_RINGBUF(0x0, &(0x7f00000007c0)={0x1b, 0x0, 0x0, 0x40000, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f0000000840)={0x5, 0x24, &(0x7f00000002c0)=@ringbuf={{0x18, 0x8, 0x0, 0x0, 0xd7}, {{0x18, 0x1, 0x1, 0x0, r1}, {}, {}, {0x85, 0x0, 0x0, 0x5}, {0x4, 0x1, 0xb, 0x9, 0xa}}, {{0x5, 0x0, 0x3}}, [@snprintf={{0x7, 0x0, 0xb, 0x2}, {0x3, 0x2, 0x3, 0xa, 0x9}, {0x5, 0x0, 0xb, 0xa, 0x0, 0x2}, {0x2, 0x3, 0x3, 0xa, 0x0, 0xfff8}, {0x7, 0x1, 0xb, 0x6, 0x8}, {0x7, 0x0, 0x0, 0x8, 0x0, 0x0, 0xfffffdff}, {}, {}, {0x7, 0x0, 0xc}, {0x18, 0x2, 0x2, 0x0, r0}, {0x6, 0x0, 0xb, 0x9}, {0x46, 0x8, 0xfff0, 0x76}}, @printk={@llu, {0x3, 0x3, 0x3, 0x4, 0x9}}], {{0x7, 0x1, 0x7, 0x8}, {0x6, 0x0, 0x5, 0x8}, {0x85, 0x0, 0x0, 0x7}}}, &(0x7f0000000980)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) executing program 3: sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)=ANY=[@ANYBLOB="60000000100001040100"/20, @ANYRES32=0x0, @ANYBLOB="7b130000000000003800128008000100677470"], 0x60}}, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) sendmmsg(r0, &(0x7f00000002c0), 0x40000000000009f, 0x0) executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000340)={0x11, 0x10, &(0x7f0000000240)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x7}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@call={0x85, 0x0, 0x0, 0x50}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='syzkaller\x00', 0x2, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0xd, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000140)={&(0x7f0000000180)='tlb_flush\x00', r1}, 0x10) executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet6_int(r0, 0x29, 0x1a, &(0x7f0000000280)=0x1, 0x4) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000040)=[@in6={0xa, 0x0, 0x0, @ipv4}], 0x1c) executing program 1: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000001480)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x48) r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x1f, 0x7, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x80}, [@ringbuf_query={{0x18, 0x1, 0x1, 0x0, r0}}]}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x11, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48) executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000a00), 0xffffffffffffffff) sendmsg$FOU_CMD_ADD(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x1c}}, 0x0) executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$HCIINQUIRY(r0, 0x400448ca, 0x0) bind$bt_hci(r0, &(0x7f0000000040)={0x1f, 0x0, 0x1}, 0x6) executing program 0: unshare(0x20000400) r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM(0x15, &(0x7f0000000580)={r0, &(0x7f00000004c0), 0x0}, 0x20) executing program 1: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) setsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f00000000c0)={0x0, 0x747, 0x3, 0x4, 0xfb, 0x8, 0x101}, 0xc) connect$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x3, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0xb}, 0x0, 0x2}, 0xe) executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFULNL_MSG_CONFIG(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000009c0)=ANY=[@ANYBLOB="2400000001040102000000c9fd00fbffffff000008000340000100000500010001"], 0x24}}, 0x0) sendmsg$NFULNL_MSG_CONFIG(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000100)={0x1c, 0x1, 0x4, 0x801, 0x0, 0x0, {0x2}, [@NFULA_CFG_CMD={0x5, 0x1, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008800}, 0x20000090) executing program 2: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) bind$bt_l2cap(r0, &(0x7f00000007c0)={0x1f, 0x0, @any, 0x4}, 0xe) setsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f0000000280)={0x3, 0x6, 0x9, 0x4}, 0xc) executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_NL_BEARER_SET(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000440)={0x34, 0x0, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@TIPC_NLA_BEARER={0x20, 0x1, 0x0, 0x1, [@TIPC_NLA_BEARER_NAME={0xd, 0x1, @udp='udp:syz1\x00'}, @TIPC_NLA_BEARER_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7}]}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x40000}, 0x100) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="280500003d0007010000000000000000017c0000040000000c00018006000600800a000004"], 0x528}}, 0xc000) executing program 0: r0 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt(r0, 0x84, 0x81, &(0x7f00000002c0)="1a00000002000000", 0x8) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r0, 0x84, 0x15, &(0x7f0000000140)={0xf}, 0x1) executing program 3: unshare(0x2040400) r0 = socket$xdp(0x2c, 0x3, 0x0) bind$xdp(r0, 0x0, 0x0) executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'vxcan1\x00', 0x0}) setsockopt$packet_add_memb(r0, 0x107, 0x1, &(0x7f0000000280)={r1, 0x11, 0x6, @random="626853a093d6"}, 0x10) executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="09000000170000000800000040"], 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000100), &(0x7f0000000580), 0x1000, r0}, 0x38) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000001600)={r0, &(0x7f0000000580), &(0x7f0000001580)=""/92}, 0x20) executing program 3: sendto$inet6(0xffffffffffffffff, &(0x7f00000001c0)="a6e2976b5c4383036d32dadd2e144d8645ca8d1b230e105614396838da83", 0x1e, 0x840, 0x0, 0x0) r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_STAT_GET(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000001c0)=ANY=[@ANYBLOB="2800000011143dcf0000000000000000080001000000000008004b00"], 0x28}}, 0x0) executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ieee802154(&(0x7f0000002340), r0) sendmsg$IEEE802154_ADD_IFACE(r0, &(0x7f0000002440)={0x0, 0x0, &(0x7f0000002400)={&(0x7f0000002380)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000005210000000a0001007770616e33060000050020000100000009001f"], 0x34}, 0x1, 0x0, 0x0, 0x44001}, 0x4050) executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000100)={'team0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000001540)=ANY=[@ANYBLOB="4400000010003b15000800"/20, @ANYRES32=0x0, @ANYBLOB="0000000000b401001c00128009000100626f6e64000000000c000280050001000600000008000a00", @ANYRES32=r1], 0x44}}, 0x0) executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_int(r0, 0x29, 0x46, 0x0, 0x0) getsockopt$inet6_int(r0, 0x29, 0x46, 0x0, &(0x7f0000000080)) executing program 3: r0 = syz_genetlink_get_family_id$smc(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$SMC_PNETID_ADD(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000003c0)={&(0x7f00000002c0)={0x2c, r0, 0x1, 0x0, 0x0, {}, [@SMC_PNETID_NAME={0x9, 0x1, 'syz2\x00'}, @SMC_PNETID_IBNAME={0x9, 0x3, 'syz0\x00'}]}, 0x2c}}, 0x0) executing program 0: r0 = socket$inet_mptcp(0x2, 0x1, 0x106) bind$inet(r0, 0x0, 0x0) setsockopt$inet_tcp_TLS_TX(r0, 0x6, 0x5, &(0x7f0000000000)=@gcm_128={{}, "868a2dee9523d346", "bd4a1bd98174a620f0d347e8ca6a5dfb", "452c74c9", "bea3db3b3a60aa72"}, 0x28) executing program 1: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f0000000080)={0x1f, 0x0, @none, 0x4, 0x2}, 0xe) getsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, 0x0, &(0x7f00000000c0)) program did not crash replaying the whole log did not cause a kernel crash single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_team-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000100)={'team0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000001540)=ANY=[@ANYBLOB="4400000010003b15000800"/20, @ANYRES32=0x0, @ANYBLOB="0000000000b401001c00128009000100626f6e64000000000c000280050001000600000008000a00", @ANYRES32=r1], 0x44}}, 0x0) program crashed: BUG: MAX_LOCKDEP_KEYS too low! single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=1m54.594685881s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_team detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000100)) program did not crash testing program (duration=1m54.594685881s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route detailed listing: executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000001540)=ANY=[@ANYBLOB="4400000010003b15000800"/20, @ANYRES32=0x0, @ANYBLOB="0000000000b401001c00128009000100626f6e64000000000c000280050001000600000008000a00", @ANYRES32], 0x44}}, 0x0) program crashed: possible deadlock in register_netdevice testing program (duration=1m54.594685881s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000001540)=ANY=[@ANYBLOB="4400000010003b15000800"/20, @ANYRES32=0x0, @ANYBLOB="0000000000b401001c00128009000100626f6e64000000000c000280050001000600000008000a00", @ANYRES32], 0x44}}, 0x0) program crashed: possible deadlock in register_netdevice testing program (duration=1m54.594685881s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) program crashed: possible deadlock in register_netdevice extracting C reproducer testing compiled C program (duration=1m54.594685881s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route program did not crash simplifying guilty program options testing program (duration=1m54.594685881s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) program did not crash testing program (duration=1m54.594685881s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route detailed listing: executing program 0: sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) program crashed: possible deadlock in register_netdevice extracting C reproducer testing compiled C program (duration=1m54.594685881s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route program did not crash reproducing took 20m36.335613029s repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected 6.14.0-rc5-syzkaller-01140-ge2537326e3b6 #0 Not tainted -------------------------------------------- dhcpcd/5503 is trying to acquire lock: ffff888029e28d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2765 [inline] ffff888029e28d28 (&dev->lock){+.+.}-{4:4}, at: register_netdevice+0x12d8/0x1b70 net/core/dev.c:11008 but task is already holding lock: ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2765 [inline] ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/linux/netdevice.h:2804 [inline] ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0x120/0x270 net/core/dev_api.c:65 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&dev->lock); lock(&dev->lock); *** DEADLOCK *** May be due to missing lock nesting notation 2 locks held by dhcpcd/5503: #0: ffffffff8fed6848 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8fed6848 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x34c/0x1d80 net/ipv4/devinet.c:1121 #1: ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2765 [inline] #1: ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/linux/netdevice.h:2804 [inline] #1: ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0x120/0x270 net/core/dev_api.c:65 stack backtrace: CPU: 0 UID: 0 PID: 5503 Comm: dhcpcd Not tainted 6.14.0-rc5-syzkaller-01140-ge2537326e3b6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_deadlock_bug+0x483/0x620 kernel/locking/lockdep.c:3039 check_deadlock kernel/locking/lockdep.c:3091 [inline] validate_chain+0x15e2/0x5920 kernel/locking/lockdep.c:3893 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 netdev_lock include/linux/netdevice.h:2765 [inline] register_netdevice+0x12d8/0x1b70 net/core/dev.c:11008 bpq_new_device drivers/net/hamradio/bpqether.c:499 [inline] bpq_device_event+0x4b1/0x8d0 drivers/net/hamradio/bpqether.c:542 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85 __dev_notify_flags+0x207/0x400 netif_change_flags+0xf0/0x1a0 net/core/dev.c:9442 dev_change_flags+0x146/0x270 net/core/dev_api.c:66 devinet_ioctl+0xea2/0x1d80 net/ipv4/devinet.c:1200 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1001 sock_do_ioctl+0x158/0x460 net/socket.c:1190 sock_ioctl+0x626/0x8e0 net/socket.c:1309 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f61f07b8d49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007fff29568b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f61f06ea6c0 RCX: 00007f61f07b8d49 RDX: 00007fff29578cf8 RSI: 0000000000008914 RDI: 000000000000000e RBP: 00007fff29588eb8 R08: 00007fff29578cb8 R09: 00007fff29578c68 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff29578cf8 R14: 0000000000000028 R15: 0000000000008914 final repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected 6.14.0-rc5-syzkaller-01140-ge2537326e3b6 #0 Not tainted -------------------------------------------- dhcpcd/5503 is trying to acquire lock: ffff888029e28d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2765 [inline] ffff888029e28d28 (&dev->lock){+.+.}-{4:4}, at: register_netdevice+0x12d8/0x1b70 net/core/dev.c:11008 but task is already holding lock: ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2765 [inline] ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/linux/netdevice.h:2804 [inline] ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0x120/0x270 net/core/dev_api.c:65 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&dev->lock); lock(&dev->lock); *** DEADLOCK *** May be due to missing lock nesting notation 2 locks held by dhcpcd/5503: #0: ffffffff8fed6848 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8fed6848 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x34c/0x1d80 net/ipv4/devinet.c:1121 #1: ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2765 [inline] #1: ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/linux/netdevice.h:2804 [inline] #1: ffff88806c454d28 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0x120/0x270 net/core/dev_api.c:65 stack backtrace: CPU: 0 UID: 0 PID: 5503 Comm: dhcpcd Not tainted 6.14.0-rc5-syzkaller-01140-ge2537326e3b6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_deadlock_bug+0x483/0x620 kernel/locking/lockdep.c:3039 check_deadlock kernel/locking/lockdep.c:3091 [inline] validate_chain+0x15e2/0x5920 kernel/locking/lockdep.c:3893 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 netdev_lock include/linux/netdevice.h:2765 [inline] register_netdevice+0x12d8/0x1b70 net/core/dev.c:11008 bpq_new_device drivers/net/hamradio/bpqether.c:499 [inline] bpq_device_event+0x4b1/0x8d0 drivers/net/hamradio/bpqether.c:542 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85 __dev_notify_flags+0x207/0x400 netif_change_flags+0xf0/0x1a0 net/core/dev.c:9442 dev_change_flags+0x146/0x270 net/core/dev_api.c:66 devinet_ioctl+0xea2/0x1d80 net/ipv4/devinet.c:1200 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1001 sock_do_ioctl+0x158/0x460 net/socket.c:1190 sock_ioctl+0x626/0x8e0 net/socket.c:1309 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f61f07b8d49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007fff29568b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f61f06ea6c0 RCX: 00007f61f07b8d49 RDX: 00007fff29578cf8 RSI: 0000000000008914 RDI: 000000000000000e RBP: 00007fff29588eb8 R08: 00007fff29578cb8 R09: 00007fff29578c68 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff29578cf8 R14: 0000000000000028 R15: 0000000000008914