0200)={&(0x7f0000000280)=ANY=[@ANYBLOB="c8000000", @ANYRES16=0x0, @ANYBLOB="08002abd7000ffdbdf25010000000c000300c1ffffffffffffff1c00078008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100000000000c00060001000000000000000c000800ff7f0000000000000e000a004e4c424c5f4d474d540000004c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000188", @ANYRES32=r11, @ANYBLOB="0c000600020000000000000004000a00"], 0xc8}, 0x1, 0x0, 0x0, 0x2404c800}, 0x4000)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1f74fd7f4e7d29b2", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000000020005000000000000000c0002000000000400000000000004007f00000000000000"], 0x30}, 0x1, 0x0, 0x0, 0xd0}, 0x90)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1f74fd7f4e7d29b2", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000000020005000000000000000c0002000000000400000000000004007f00000000000000"], 0x30}, 0x1, 0x0, 0x0, 0xd0}, 0x90) (async)

13:44:57 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r0, 0x0, 0x0)
write$tun(0xffffffffffffffff, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f0000000600)={&(0x7f0000000540), 0xc, 0x0}, 0x0)
getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, <r3=>0x0}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r2, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {r3, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)
ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=@getstats={0x1c, 0x5e, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r4, 0x2}}, 0x1c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r5)

13:44:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="00032cbd7000fbdbdf25020000000c000300000c00050026010000000000000c00080009000000000000000c000800ff7f0000000000000c0004000300000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x4011}, 0x4000000)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x78, 0x0, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}, @NLBL_MGMT_A_CLPDOI, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0xfffffffffffffdc5, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x20044004}, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100000000000000000001000200"/24], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="00032cbd7000fbdbdf25020000000c000300000c00050026010000000000000c00080009000000000000000c000800ff7f0000000000000c0004000300000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x4011}, 0x4000000) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x78, 0x0, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}, @NLBL_MGMT_A_CLPDOI, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0xfffffffffffffdc5, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x20044004}, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100000000000000000001000200"/24], 0x30}}, 0x0) (async)

13:44:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r1, 0x0, 0x0)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0x8b0041, 0x0)
getpeername$packet(r2, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000001}, 0x20000000)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0xe}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000180), r3)

[ 1646.633926] PF_BRIDGE: br_mdb_parse() with invalid ifindex
[ 1646.664183] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 1646.678586] nbd: must specify at least one socket
13:44:57 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r0, 0x0, 0x0)
write$tun(0xffffffffffffffff, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r5=>0xffffffffffffffff})
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r7=>0xffffffffffffffff}) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={<r8=>0xffffffffffffffff}) (async)
r9 = openat$zero(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r10, 0x0, 0x0) (async)
r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r11, 0x0, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)=ANY=[@ANYBLOB="c8000000", @ANYRES16=0x0, @ANYBLOB="08002abd7000ffdbdf25010000000c000300c1ffffffffffffff1c00078008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100000000000c00060001000000000000000c000800ff7f0000000000000e000a004e4c424c5f4d474d540000004c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000188", @ANYRES32=r11, @ANYBLOB="0c000600020000000000000004000a00"], 0xc8}, 0x1, 0x0, 0x0, 0x2404c800}, 0x4000)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1f74fd7f4e7d29b2", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000000020005000000000000000c0002000000000400000000000004007f00000000000000"], 0x30}, 0x1, 0x0, 0x0, 0xd0}, 0x90)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1f74fd7f4e7d29b2", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000000020005000000000000000c0002000000000400000000000004007f00000000000000"], 0x30}, 0x1, 0x0, 0x0, 0xd0}, 0x90) (async)

13:44:57 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f0000000600)={&(0x7f0000000540), 0xc, 0x0}, 0x0)
getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, <r3=>0x0}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r2, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {r3, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)
ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=@getstats={0x1c, 0x5e, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r4, 0x2}}, 0x1c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

13:44:57 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r0, 0x0, 0x0)
write$tun(0xffffffffffffffff, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r1, 0x0, 0x0) (async)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0x8b0041, 0x0) (async)
getpeername$packet(r2, 0x0, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000001}, 0x20000000)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0xe}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000180), r3)

13:44:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async, rerun: 64)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="00032cbd7000fbdbdf25020000000c000300000c00050026010000000000000c00080009000000000000000c000800ff7f0000000000000c0004000300000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x4011}, 0x4000000)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x78, 0x0, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}, @NLBL_MGMT_A_CLPDOI, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0xfffffffffffffdc5, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x20044004}, 0x10) (async)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100000000000000000001000200"/24], 0x30}}, 0x0)

[ 1646.738911] PF_BRIDGE: br_mdb_parse() with invalid ifindex
[ 1646.756951] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 1646.765537] nbd: must specify at least one socket
13:44:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r5=>0xffffffffffffffff})
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r7=>0xffffffffffffffff})
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={<r8=>0xffffffffffffffff})
r9 = openat$zero(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0)
r10 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r10, 0x0, 0x0)
r11 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r11, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)=ANY=[@ANYBLOB="c8000000", @ANYRES16=0x0, @ANYBLOB="08002abd7000ffdbdf25010000000c000300c1ffffffffffffff1c00078008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100000000000c00060001000000000000000c000800ff7f0000000000000e000a004e4c424c5f4d474d540000004c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000188", @ANYRES32=r11, @ANYBLOB="0c000600020000000000000004000a00"], 0xc8}, 0x1, 0x0, 0x0, 0x2404c800}, 0x4000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r6, 0x0, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
openat$zero(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r10, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r11, 0x0, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)=ANY=[@ANYBLOB="c8000000", @ANYRES16=0x0, @ANYBLOB="08002abd7000ffdbdf25010000000c000300c1ffffffffffffff1c00078008000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100000000000c00060001000000000000000c000800ff7f0000000000000e000a004e4c424c5f4d474d540000004c00078008000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="08000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB="08000100", @ANYRES32=r10, @ANYBLOB="08000188", @ANYRES32=r11, @ANYBLOB="0c000600020000000000000004000a00"], 0xc8}, 0x1, 0x0, 0x0, 0x2404c800}, 0x4000) (async)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x54, r3, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x54}}, 0x40000)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:44:57 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x101a82, 0x0)
write$tun(r0, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r1, 0x0, 0x0)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0x8b0041, 0x0) (async)
getpeername$packet(r2, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000001}, 0x20000000) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0xe}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000180), r3)

13:44:57 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f0000000600)={&(0x7f0000000540), 0xc, 0x0}, 0x0)
getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, <r3=>0x0}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r2, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {r3, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)
ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=@getstats={0x1c, 0x5e, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r4, 0x2}}, 0x1c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

[ 1646.815487] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x54, r3, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x54}}, 0x40000)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:44:57 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f0000000600)={&(0x7f0000000540), 0xc, 0x0}, 0x0)
getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, <r3=>0x0}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r2, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {r3, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)
ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=@getstats={0x1c, 0x5e, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r4, 0x2}}, 0x1c}}, 0x0)

13:44:57 executing program 4:
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r0, 0x0, 0x0)
ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f0000000000))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:57 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x101a82, 0x0)
write$tun(r0, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

[ 1646.909243] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

[ 1646.965454] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 1646.980723] nbd: must specify at least one socket
[ 1646.992178] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000040007800c00020000000000000000000c00030007000000000000009a567b7054d08aaca5b7b2d6180c0cfa271447a299fb64a2d368fce602c035170307565f7d5e53bc8870230840132dc4e7b4f6ffbedf69c666d11901db80c9f566e3c5d5152ddb4d5c43ca23587b665e3eef31845b5357386f59cf452244470b3904a26d33862d89bb9eed7ecdee0dfed87fabf687cc0fc89a61495a9393e3912f39903d6620aeab5132f7aa1b16b4477d0e1f0d368d3daeb2ee8a396e158ac0710412aa51e2416deea3"], 0x30}}, 0x0)

13:44:57 executing program 4:
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r0, 0x0, 0x0)
ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f0000000000))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r0, 0x0, 0x0) (async)
ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f0000000000)) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2) (async)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x54, r3, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x54}}, 0x40000) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:44:57 executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000600)={&(0x7f0000000540), 0xc, 0x0}, 0x0)
getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, <r2=>0x0}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r1, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {r2, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f0000000100)={'vxcan1\x00'})

13:44:57 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x101a82, 0x0)
write$tun(r0, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000040007800c00020000000000000000000c00030007000000000000009a567b7054d08aaca5b7b2d6180c0cfa271447a299fb64a2d368fce602c035170307565f7d5e53bc8870230840132dc4e7b4f6ffbedf69c666d11901db80c9f566e3c5d5152ddb4d5c43ca23587b665e3eef31845b5357386f59cf452244470b3904a26d33862d89bb9eed7ecdee0dfed87fabf687cc0fc89a61495a9393e3912f39903d6620aeab5132f7aa1b16b4477d0e1f0d368d3daeb2ee8a396e158ac0710412aa51e2416deea3"], 0x30}}, 0x0)

13:44:57 executing program 4:
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r0, 0x0, 0x0)
ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f0000000000))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x9, 0x0, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x20, r2, 0x2, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x13}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022bbd7000fddbdf2503000000080008007f00000108000800e00000021400050000000000000000000000000000000000b4ea1660616c4f4ed88dbf2b6a3ef718a79c04227cd52e46a4f1a01cf50e677e5bba70dd799be82f493897a338db4301ba41e34101aac0c39d5e9abcd17980"], 0x38}, 0x1, 0x0, 0x0, 0x4048010}, 0x4)

13:44:57 executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000600)={&(0x7f0000000540), 0xc, 0x0}, 0x0)
getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, <r1=>0x0}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r0, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {r1, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x14, r2, 0x1, 0xfffffffe}, 0x14}}, 0x0)

[ 1647.108929] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:57 executing program 2:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x101a82, 0x0)
write$tun(r0, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000040007800c00020000000000000000000c00030007000000000000009a567b7054d08aaca5b7b2d6180c0cfa271447a299fb64a2d368fce602c035170307565f7d5e53bc8870230840132dc4e7b4f6ffbedf69c666d11901db80c9f566e3c5d5152ddb4d5c43ca23587b665e3eef31845b5357386f59cf452244470b3904a26d33862d89bb9eed7ecdee0dfed87fabf687cc0fc89a61495a9393e3912f39903d6620aeab5132f7aa1b16b4477d0e1f0d368d3daeb2ee8a396e158ac0710412aa51e2416deea3"], 0x30}}, 0x0)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x9, 0x0, 0x0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x20, r2, 0x2, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x13}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022bbd7000fddbdf2503000000080008007f00000108000800e00000021400050000000000000000000000000000000000b4ea1660616c4f4ed88dbf2b6a3ef718a79c04227cd52e46a4f1a01cf50e677e5bba70dd799be82f493897a338db4301ba41e34101aac0c39d5e9abcd17980"], 0x38}, 0x1, 0x0, 0x0, 0x4048010}, 0x4)

13:44:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r5, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x40814)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:57 executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000600)={&(0x7f0000000540), 0xc, 0x0}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

[ 1647.153999] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x14, r2, 0x1, 0xfffffffe}, 0x14}}, 0x0)

13:44:57 executing program 2:
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x101a82, 0x0)
write$tun(r0, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r5, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x40814) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x9, 0x0, 0x0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x20, r2, 0x2, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x13}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022bbd7000fddbdf2503000000080008007f00000108000800e00000021400050000000000000000000000000000000000b4ea1660616c4f4ed88dbf2b6a3ef718a79c04227cd52e46a4f1a01cf50e677e5bba70dd799be82f493897a338db4301ba41e34101aac0c39d5e9abcd17980"], 0x38}, 0x1, 0x0, 0x0, 0x4048010}, 0x4)

13:44:57 executing program 2:
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x101a82, 0x0)
write$tun(r0, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x14, r2, 0x1, 0xfffffffe}, 0x14}}, 0x0)

13:44:57 executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r5, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x40814) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

[ 1647.249910] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:44:57 executing program 2:
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x101a82, 0x0)
write$tun(r0, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:44:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000080)={0x58, r4, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @local}}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '\xc2\\\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x58}, 0x1, 0x0, 0x0, 0xc040}, 0xc883)

13:44:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:44:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r0)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000002c0)={&(0x7f00000000c0)={0x3c, r1, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x2b}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000000)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="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"], 0x38}}, 0x0)

13:44:57 executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

[ 1647.325389] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:57 executing program 2:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
write$tun(r0, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:44:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000080)={0x58, r4, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @local}}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '\xc2\\\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x58}, 0x1, 0x0, 0x0, 0xc040}, 0xc883)

13:44:57 executing program 2:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
write$tun(r0, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r0)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000002c0)={&(0x7f00000000c0)={0x3c, r1, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x2b}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000000) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="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"], 0x38}}, 0x0)

13:44:57 executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x24, r2, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$]-'}]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x8804)
getresgid(&(0x7f0000000040), &(0x7f00000000c0), &(0x7f0000000180))

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="304cb21d38b799747a8bc5000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

[ 1647.430138] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
13:44:57 executing program 2:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0)
write$tun(r0, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:57 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r0)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000002c0)={&(0x7f00000000c0)={0x3c, r1, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x2b}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000000)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="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"], 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r0) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f00000002c0)={&(0x7f00000000c0)={0x3c, r1, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x2b}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="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"], 0x38}}, 0x0) (async)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="304cb21d38b799747a8bc5000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:44:57 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x24, r2, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$]-'}]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x8804)
getresgid(&(0x7f0000000040), &(0x7f00000000c0), &(0x7f0000000180))
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x24, r2, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$]-'}]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x8804) (async)
getresgid(&(0x7f0000000040), &(0x7f00000000c0), &(0x7f0000000180)) (async)

13:44:57 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async, rerun: 64)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async, rerun: 32)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (rerun: 32)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000080)={0x58, r4, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @local}}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '\xc2\\\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x58}, 0x1, 0x0, 0x0, 0xc040}, 0xc883)

[ 1647.517264] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
13:44:57 executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:57 executing program 2:
openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x101a82, 0x0)
write$tun(0xffffffffffffffff, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:57 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="304cb21d38b799747a8bc5000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="304cb21d38b799747a8bc5000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0) (async)

13:44:58 executing program 2:
openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x101a82, 0x0)
write$tun(0xffffffffffffffff, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

[ 1647.588465] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'.
13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x24, r2, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$]-'}]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x8804)
getresgid(&(0x7f0000000040), &(0x7f00000000c0), &(0x7f0000000180))
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x24, r2, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '$]-'}]}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x8804) (async)
getresgid(&(0x7f0000000040), &(0x7f00000000c0), &(0x7f0000000180)) (async)

13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x20, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01('}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x38}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x54, r2, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x6}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x2}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}]}, 0x54}}, 0x20008001)

13:44:58 executing program 5:
ioctl$BINDER_SET_MAX_THREADS(0xffffffffffffffff, 0x40046205, &(0x7f0000000000)=0x4)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

[ 1647.630547] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r3, 0x0, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, 0x0, 0x2, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8efa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xf}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x70}, 0x1, 0x0, 0x0, 0x40400d4}, 0x8084)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x20, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01('}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x38}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x54, r2, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x6}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x2}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}]}, 0x54}}, 0x20008001)

13:44:58 executing program 2:
openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x101a82, 0x0)
write$tun(0xffffffffffffffff, &(0x7f0000000680)={@void, @val={0x1, 0x0, 0x7f, 0x401, 0x1000, 0xffff}, @ipv6=@udp={0x1, 0x6, "d2fa32", 0x19c, 0x11, 0x1, @rand_addr=' \x01\x00', @mcast2, {[@fragment={0x2f, 0x0, 0xf7, 0x1, 0x0, 0x6, 0x67}, @fragment={0x2b, 0x0, 0x8, 0x0, 0x0, 0x8, 0x64}, @fragment={0x2f, 0x0, 0x40, 0x0, 0x0, 0x8, 0x68}, @dstopts={0x16, 0x7, '\x00', [@padn={0x1, 0x3, [0x0, 0x0, 0x0]}, @pad1, @generic={0x3f, 0x28, "04e96245719877ea05535ed07021c1806d4a553ea256c189b9e1fa9e37d99fe097732b4b4cecedab"}, @ra={0x5, 0x2, 0xf801}, @pad1, @enc_lim={0x4, 0x1, 0x81}]}, @dstopts={0x89, 0x0, '\x00', [@pad1]}, @fragment={0x2, 0x0, 0x7f, 0x0, 0x0, 0x17, 0x64}, @hopopts={0x2f, 0x16, '\x00', [@enc_lim={0x4, 0x1, 0xfa}, @generic={0x40, 0xa0, "cab977101ed253db2b16d5744bdae3a1eb83a7339fdd4570a2282f6648b82cbb59d8af911b6d4c68e8ddeab146b1eb09611e252a0fba296362d050c6b7b4827a56e1dc1f3c765d63a8bc061e81d5bfad74262691d592fe9ebacce3f5fd21b6ce7fa2ea0885c6d2633a14b3a95571a79917d9f2e8b8485273e2ff0c73b699fd30ce9aa0169a73b62e5144a3496ff59420470d08529441e1edf9951b9fc33d19b1"}, @hao={0xc9, 0x10, @remote}]}], {0x4e24, 0x4e21, 0x64, 0x0, @wg=@response={0x2, 0x3, 0x0, "22a2667ba6ab38b9c9ecef34f658135ac7be7e1b3dc614108c819df0f73b0da6", "db7259836658ed02fdad1141ab76392b", {"b94e90763726e9a09cd6caaf03998a39", "4ff9d1b2d137fd3454d78cf8dcff6dd5"}}}}}}, 0x1ce)

13:44:58 executing program 5:
ioctl$BINDER_SET_MAX_THREADS(0xffffffffffffffff, 0x40046205, &(0x7f0000000000)=0x4)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
ioctl$BINDER_SET_MAX_THREADS(0xffffffffffffffff, 0x40046205, &(0x7f0000000000)=0x4) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)

13:44:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r3, 0x0, 0x0) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, 0x0, 0x2, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8efa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xf}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x70}, 0x1, 0x0, 0x0, 0x40400d4}, 0x8084) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:44:58 executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

[ 1647.703870] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x20, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01('}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x38}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x54, r2, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x6}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x2}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}]}, 0x54}}, 0x20008001)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x20, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01('}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x38}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x54, r2, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x6}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x2}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}]}, 0x54}}, 0x20008001) (async)

13:44:58 executing program 2:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000180), 0x101a82, 0x0)
write$tun(r0, 0x0, 0x0)

13:44:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:44:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r3, 0x0, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, 0x0, 0x2, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8efa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xf}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x70}, 0x1, 0x0, 0x0, 0x40400d4}, 0x8084)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r3, 0x0, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000200)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, 0x0, 0x2, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8efa}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xf}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}]}, 0x70}, 0x1, 0x0, 0x0, 0x40400d4}, 0x8084) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async)

13:44:58 executing program 5:
ioctl$BINDER_SET_MAX_THREADS(0xffffffffffffffff, 0x40046205, &(0x7f0000000000)=0x4)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:58 executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x20, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01('}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x38}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f00000001c0)={0x54, r2, 0x100, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x6}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x2}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}]}, 0x54}}, 0x20008001)

13:44:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:44:58 executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x20, 0x0, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x20}, 0x1, 0x0, 0x0, 0x811}, 0xc0c5)
r2 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000240), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_CHANNELS_GET(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r2, 0x4, 0x70bd2b, 0x25dfdbfb, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'lo\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x881}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3)
socket(0x1f, 0x1, 0x7)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)

13:44:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x9, 0x0, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x20, r2, 0x2, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0x0, 0x4, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xc001}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x13}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022bbd7000fddbdf2503000000080008007f00000108000800e00000021400050000000000000000000000000000000000b4ea1660616c4f4ed88dbf2b6a3ef718a79c04227cd52e46a4f1a01cf50e677e5bba70dd799be82f493897a338db4301ba41e34101aac0c39d5e9abcd17980"], 0x38}, 0x1, 0x0, 0x0, 0x4048010}, 0x4)

13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x40000)

13:44:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x20, 0x0, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x20}, 0x1, 0x0, 0x0, 0x811}, 0xc0c5) (async)
r2 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000240), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_CHANNELS_GET(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r2, 0x4, 0x70bd2b, 0x25dfdbfb, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'lo\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x881}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3)
socket(0x1f, 0x1, 0x7)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:44:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r2, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x24, r2, 0x800, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010102}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}]}, 0x24}, 0x1, 0x0, 0x0, 0x10}, 0x20080881)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, 0x0, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '$]:)+'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '{\xde&-/%/*.@.'}]}, 0x58}, 0x1, 0x0, 0x0, 0x20040810}, 0x4)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r7)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r8, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r2, 0x0, 0x0)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x480, 0x0)
r4 = socket(0x1e, 0x4, 0x6)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x4200, 0x0)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r7, 0x0, 0x0)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
ioctl$KVM_CREATE_VM(r8, 0xae01, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}]}, 0x6c}}, 0x20000800)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r10 = syz_open_dev$loop(&(0x7f00000002c0), 0x400, 0x400001)
ioctl$LOOP_SET_CAPACITY(r10, 0x4c07)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x40000)

13:44:58 executing program 2:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f0000000600)={&(0x7f0000000540), 0xc, 0x0}, 0x0)
getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, <r3=>0x0}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r2, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {r3, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)
ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=@getstats={0x1c, 0x5e, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r4, 0x2}}, 0x1c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x20, 0x0, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x20}, 0x1, 0x0, 0x0, 0x811}, 0xc0c5)
r2 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000240), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_CHANNELS_GET(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x38, r2, 0x4, 0x70bd2b, 0x25dfdbfb, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'lo\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x4}]}, 0x38}, 0x1, 0x0, 0x0, 0x881}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r3)
socket(0x1f, 0x1, 0x7) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:44:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r2, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x24, r2, 0x800, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010102}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}]}, 0x24}, 0x1, 0x0, 0x0, 0x10}, 0x20080881)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, 0x0, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '$]:)+'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '{\xde&-/%/*.@.'}]}, 0x58}, 0x1, 0x0, 0x0, 0x20040810}, 0x4)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r7)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r8, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r2, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x24, r2, 0x800, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010102}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}]}, 0x24}, 0x1, 0x0, 0x0, 0x10}, 0x20080881) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r4, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r5, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r6, 0x0, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, 0x0, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '$]:)+'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '{\xde&-/%/*.@.'}]}, 0x58}, 0x1, 0x0, 0x0, 0x20040810}, 0x4) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r7) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r8, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)

13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x40000)

13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000700)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRESDEC, @ANYBLOB="010000000000000000fa0000000000000008009222136e00000001de000000000000000000000000005cfdfa57"], 0x38}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r2, 0x20, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4c}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000880}, 0x40000)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}}, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000005c0), r1)
sendmsg$NLBL_MGMT_C_LISTDEF(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000680)={&(0x7f0000000600)={0x7c, r7, 0x9aca7a6da533be43, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0x9}, @NLBL_MGMT_A_DOMAIN={0xd, 0x1, '&\\-#{&!*\x00'}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'P,/\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}]}, 0x7c}, 0x1, 0x0, 0x0, 0x200100c0}, 0x20000000)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r8)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r8, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r9, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r6, &(0x7f0000000400)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000380)={&(0x7f0000000540)={0x68, r9, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_DOMAIN={0xb, 0x1, '\\\t\\/)+\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x68}, 0x1, 0x0, 0x0, 0x8884}, 0x4004)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x881808}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r5, 0x0, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ffc000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x20004095}, 0x40000)

13:44:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r2, 0x0, 0x0)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x480, 0x0)
r4 = socket(0x1e, 0x4, 0x6)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x4200, 0x0)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r7, 0x0, 0x0)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
ioctl$KVM_CREATE_VM(r8, 0xae01, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}]}, 0x6c}}, 0x20000800)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r10 = syz_open_dev$loop(&(0x7f00000002c0), 0x400, 0x400001)
ioctl$LOOP_SET_CAPACITY(r10, 0x4c07)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r2, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x480, 0x0) (async)
socket(0x1e, 0x4, 0x6) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r5, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x4200, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r7, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r8, 0x0, 0x0) (async)
ioctl$KVM_CREATE_VM(r8, 0xae01, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}]}, 0x6c}}, 0x20000800) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
syz_open_dev$loop(&(0x7f00000002c0), 0x400, 0x400001) (async)
ioctl$LOOP_SET_CAPACITY(r10, 0x4c07) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)

13:44:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r2, 0x309}, 0x14}}, 0x0) (async, rerun: 64)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x24, r2, 0x800, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010102}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}]}, 0x24}, 0x1, 0x0, 0x0, 0x10}, 0x20080881) (async, rerun: 64)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0) (async)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, 0x0, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x9, 0xa, '$]:)+'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '{\xde&-/%/*.@.'}]}, 0x58}, 0x1, 0x0, 0x0, 0x20040810}, 0x4) (async)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r7)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r8, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000700)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRESDEC, @ANYBLOB="010000000000000000fa0000000000000008009222136e00000001de000000000000000000000000005cfdfa57"], 0x38}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r2, 0x20, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4c}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000880}, 0x40000) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}}, 0x0) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000005c0), r1)
sendmsg$NLBL_MGMT_C_LISTDEF(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000680)={&(0x7f0000000600)={0x7c, r7, 0x9aca7a6da533be43, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0x9}, @NLBL_MGMT_A_DOMAIN={0xd, 0x1, '&\\-#{&!*\x00'}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'P,/\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}]}, 0x7c}, 0x1, 0x0, 0x0, 0x200100c0}, 0x20000000) (async)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r8)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r8, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r9, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r6, &(0x7f0000000400)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000380)={&(0x7f0000000540)={0x68, r9, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_DOMAIN={0xb, 0x1, '\\\t\\/)+\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x68}, 0x1, 0x0, 0x0, 0x8884}, 0x4004) (async)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x881808}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r5, 0x0, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ffc000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x20004095}, 0x40000)

[ 1648.150796] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd700013dcdf250500008d000c00060002000008000a006e6264000c0005002501000000000000"], 0x34}, 0x1, 0x0, 0x0, 0x40048c0}, 0x40000)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000380)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000225bd7000fcdbdf250200faff0b00f1000000000000000000080024000000000008000a006e6264000c0003000300000000000091de0616cc0a5d9600000000000c00060000000000000000000c00080000020000000000003f5a7f59ae7f38bf03d46d01e63893c99036bf2908fa574a52aa28b54f14267380d0997f4c33587c8c8af29e7406bafe771066965fd6ee43c8ec8d98c2a38e4700f3e2eea69beb3724cbe688fa7c07db540a85cfdde555ae7343d62e541f52f4261d3daf324e13586ff769eb65c1127abdd4547893566815c7413783875e3ae0385ddf7d59dfb7ac9e1d"], 0x60}, 0x1, 0x0, 0x0, 0x81}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:44:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0)
sendmsg$NLBL_MGMT_C_LISTDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r3, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000040}, 0x800)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r2, 0x0, 0x0)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x480, 0x0)
r4 = socket(0x1e, 0x4, 0x6)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x4200, 0x0)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r7, 0x0, 0x0)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
ioctl$KVM_CREATE_VM(r8, 0xae01, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}]}, 0x6c}}, 0x20000800)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r10 = syz_open_dev$loop(&(0x7f00000002c0), 0x400, 0x400001)
ioctl$LOOP_SET_CAPACITY(r10, 0x4c07)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

13:44:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r2, 0x0, 0x0) (async)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x480, 0x0) (async)
r4 = socket(0x1e, 0x4, 0x6)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0) (async)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000000180), 0x4200, 0x0) (async)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r7, 0x0, 0x0) (async)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0) (async)
ioctl$KVM_CREATE_VM(r8, 0xae01, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}]}]}, 0x6c}}, 0x20000800)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
r10 = syz_open_dev$loop(&(0x7f00000002c0), 0x400, 0x400001)
ioctl$LOOP_SET_CAPACITY(r10, 0x4c07)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

[ 1648.221448] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async, rerun: 64)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000700)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRESDEC, @ANYBLOB="010000000000000000fa0000000000000008009222136e00000001de000000000000000000000000005cfdfa57"], 0x38}}, 0x0) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r2, 0x20, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x200}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4c}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000880}, 0x40000) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}}, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000005c0), r1)
sendmsg$NLBL_MGMT_C_LISTDEF(0xffffffffffffffff, &(0x7f00000006c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000680)={&(0x7f0000000600)={0x7c, r7, 0x9aca7a6da533be43, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0x9}, @NLBL_MGMT_A_DOMAIN={0xd, 0x1, '&\\-#{&!*\x00'}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'P,/\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}]}, 0x7c}, 0x1, 0x0, 0x0, 0x200100c0}, 0x20000000)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r8)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r8, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r9, 0x309}, 0x14}}, 0x0) (async, rerun: 32)
sendmsg$NLBL_MGMT_C_VERSION(r6, &(0x7f0000000400)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000380)={&(0x7f0000000540)={0x68, r9, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_DOMAIN={0xb, 0x1, '\\\t\\/)+\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x68}, 0x1, 0x0, 0x0, 0x8884}, 0x4004) (async, rerun: 32)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x881808}, 0xc, &(0x7f0000000200)={&(0x7f0000000280)={0x64, r5, 0x0, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1ffc000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x40}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x20004095}, 0x40000)

13:44:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd700013dcdf250500008d000c00060002000008000a006e6264000c0005002501000000000000"], 0x34}, 0x1, 0x0, 0x0, 0x40048c0}, 0x40000) (async, rerun: 64)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000380)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000225bd7000fcdbdf250200faff0b00f1000000000000000000080024000000000008000a006e6264000c0003000300000000000091de0616cc0a5d9600000000000c00060000000000000000000c00080000020000000000003f5a7f59ae7f38bf03d46d01e63893c99036bf2908fa574a52aa28b54f14267380d0997f4c33587c8c8af29e7406bafe771066965fd6ee43c8ec8d98c2a38e4700f3e2eea69beb3724cbe688fa7c07db540a85cfdde555ae7343d62e541f52f4261d3daf324e13586ff769eb65c1127abdd4547893566815c7413783875e3ae0385ddf7d59dfb7ac9e1d"], 0x60}, 0x1, 0x0, 0x0, 0x81}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:58 executing program 2:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r2, &(0x7f0000000600)={&(0x7f0000000540), 0xc, 0x0}, 0x0)
getpeername$packet(0xffffffffffffffff, &(0x7f00000001c0)={0x11, 0x0, <r3=>0x0}, &(0x7f0000000200)=0x14)
sendmsg$nl_route(r2, &(0x7f0000000300)={&(0x7f0000000180), 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {r3, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)
ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r4=>0x0})
sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=@getstats={0x1c, 0x5e, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r4, 0x2}}, 0x1c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

13:44:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0)
sendmsg$NLBL_MGMT_C_LISTDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r3, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000040}, 0x800)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r3, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000040}, 0x800) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)

13:44:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020200000000000000000c0003000700000000007b0006f958479d67"], 0x30}}, 0x0)

13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x22, 0x2, 0x3)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="3100f400fc54913f6eb973416164425d280c000079ad59e2d4b65455cc8c8448b1071262c0a9deef4d3d4634dd706ced6b79b3cde1e63065b03119ed9212f9884b159ed2e18a61cb97", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0)

13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0)
sendmsg$NLBL_MGMT_C_LISTDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r3, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000040}, 0x800)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r3, 0x800, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000040}, 0x800) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)

13:44:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020200000000000000000c0003000700000000007b0006f958479d67"], 0x30}}, 0x0)

13:44:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r1, 0x0, 0x0)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0x8b0041, 0x0)
getpeername$packet(r2, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x20, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8, 0x1, r2}]}]}, 0x28}, 0x1, 0x0, 0x0, 0x4000001}, 0x20000000)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0xe}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000180), r3)

[ 1648.368152] PF_BRIDGE: br_mdb_parse() with invalid ifindex
[ 1648.373273] nbd: must specify a size in bytes for the device
13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x22, 0x2, 0x3) (async)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="3100f400fc54913f6eb973416164425d280c000079ad59e2d4b65455cc8c8448b1071262c0a9deef4d3d4634dd706ced6b79b3cde1e63065b03119ed9212f9884b159ed2e18a61cb97", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0)

13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd700013dcdf250500008d000c00060002000008000a006e6264000c0005002501000000000000"], 0x34}, 0x1, 0x0, 0x0, 0x40048c0}, 0x40000)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000380)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000225bd7000fcdbdf250200faff0b00f1000000000000000000080024000000000008000a006e6264000c0003000300000000000091de0616cc0a5d9600000000000c00060000000000000000000c00080000020000000000003f5a7f59ae7f38bf03d46d01e63893c99036bf2908fa574a52aa28b54f14267380d0997f4c33587c8c8af29e7406bafe771066965fd6ee43c8ec8d98c2a38e4700f3e2eea69beb3724cbe688fa7c07db540a85cfdde555ae7343d62e541f52f4261d3daf324e13586ff769eb65c1127abdd4547893566815c7413783875e3ae0385ddf7d59dfb7ac9e1d"], 0x60}, 0x1, 0x0, 0x0, 0x81}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01002dbd700013dcdf250500008d000c00060002000008000a006e6264000c0005002501000000000000"], 0x34}, 0x1, 0x0, 0x0, 0x40048c0}, 0x40000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000380)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000225bd7000fcdbdf250200faff0b00f1000000000000000000080024000000000008000a006e6264000c0003000300000000000091de0616cc0a5d9600000000000c00060000000000000000000c00080000020000000000003f5a7f59ae7f38bf03d46d01e63893c99036bf2908fa574a52aa28b54f14267380d0997f4c33587c8c8af29e7406bafe771066965fd6ee43c8ec8d98c2a38e4700f3e2eea69beb3724cbe688fa7c07db540a85cfdde555ae7343d62e541f52f4261d3daf324e13586ff769eb65c1127abdd4547893566815c7413783875e3ae0385ddf7d59dfb7ac9e1d"], 0x60}, 0x1, 0x0, 0x0, 0x81}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async)

13:44:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sched_getscheduler(0x0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:58 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020200000000000000000c0003000700000000007b0006f958479d67"], 0x30}}, 0x0)

13:44:58 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r2)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="00032cbd7000fbdbdf25020000000c000300000c00050026010000000000000c00080009000000000000000c000800ff7f0000000000000c0004000300000000000000"], 0x50}, 0x1, 0x0, 0x0, 0x4011}, 0x4000000)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x78, 0x0, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}, @NLBL_MGMT_A_CLPDOI, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0xfffffffffffffdc5, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x20044004}, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100000000000000000001000200"/24], 0x30}}, 0x0)

13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket(0x22, 0x2, 0x3) (async)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="3100f400fc54913f6eb973416164425d280c000079ad59e2d4b65455cc8c8448b1071262c0a9deef4d3d4634dd706ced6b79b3cde1e63065b03119ed9212f9884b159ed2e18a61cb97", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0)

[ 1648.457360] nbd: must specify a size in bytes for the device
13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sched_getscheduler(0x0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:58 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa16bd1c20e200010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002a134c76174ad6858c26fc6b02293b7513bb5b02a397de4"], 0x38}}, 0x0)

13:44:58 executing program 3:
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x40102, 0x0)
ioctl$KVM_UNREGISTER_COALESCED_MMIO(r0, 0x4010ae68, &(0x7f00000000c0)={0x10000, 0xc000})
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00', <r5=>0x0})
r6 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r6, 0x8933, &(0x7f0000000680)={'vcan0\x00', <r7=>0x0})
bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000500)={r0, 0x58, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, <r8=>0x0}}, 0x10)
r9 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r9, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r10=>0x0})
r11 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r11, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000180)=ANY=[@ANYBLOB="6000000010000100"/20, @ANYRES32=r10, @ANYBLOB="0000000800000000080018800400018024000e00000000000000004000000000000000000000000000000000080000000000000008002e0000db5031f9e139e51e4784aa96030000000a000200bbbbbbbb00bb0000"], 0x60}}, 0x0)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(r4, &(0x7f0000000580)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000540)={&(0x7f00000006c0)={0x31c, 0x0, 0x4, 0x70bd2a, 0x25dfdbff, {}, [@ETHTOOL_A_PRIVFLAGS_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0x198, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x120, 0x3, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8001}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, 'vcan0\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}]}, {0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/zero\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x15, 0x2, '\\-\x98@&[&#q-():-^:\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '\xb4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}]}, {0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/zero\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7b6}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xd, 0x2, ':*{*}+.(\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, 'vcan0\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x74, 0x3, 0x0, 0x1, [{0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '()(\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '*z\x00'}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '[^#)6\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '.]$\xec!\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, '-*^+\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_bond\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x31c}, 0x1, 0x0, 0x0, 0x8004}, 0x48890)
r12 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r12, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
r13 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r13, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYRES16=r3, @ANYRESOCT=r4, @ANYBLOB="e0796db70f272e0eac28f696fa9f9a7264a6bfe1e63c7c314a4cb5f9b183a83c86f82166042a648d5569f812806d106a28b8085dfae3f4a7e37a60b8cf45604563f5fa152c5ecd13060000cf009da69a4c6e4907c7c97cf0c29bc841780817e43c49cfbf8f2cd9ce2ce7cadd1f4ab9f122f935b5ded5aa1dedcb1225b2e929933d6b4448bb93083f0e0d7ad6b52648535f95c887323eb2c469bafd9ec7a8ddd1ceb314d74ca87b164637cab8dfe65c0e435f0ba307a7493734e11ed4aaa733f545d75114fd6fe659b720a5a724c195104c659e9832169d", @ANYRESHEX=r6, @ANYRES16=r13, @ANYRES32=r12], 0x30}}, 0x0)

13:44:58 executing program 2:
r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), 0xffffffffffffffff)
r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r1, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x80, r0, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x106}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r1}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x80}, 0x1, 0x0, 0x0, 0x200088e5}, 0x4000)
ioctl$KVM_REINJECT_CONTROL(0xffffffffffffffff, 0xae71, &(0x7f0000000000)={0x5})
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
ioctl$KVM_CAP_VM_COPY_ENC_CONTEXT_FROM(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000040))
sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x50, r4, 0x20, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xfffffffffffffffe}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}]}, 0x50}}, 0x801)
sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

[ 1648.520289] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1648.543453] nbd: must specify at least one socket
[ 1648.558360] nbd: must specify a size in bytes for the device
13:44:58 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff})
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={<r5=>0xffffffffffffffff})
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r7, 0x0, 0x0)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xbc, r2, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x44010)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000040007800c00020000000000000000000c0003000097873cd2d894568554a900000000000000"], 0x30}}, 0x0)

13:44:58 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x0, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:58 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sched_getscheduler(0x0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa16bd1c20e200010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002a134c76174ad6858c26fc6b02293b7513bb5b02a397de4"], 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa16bd1c20e200010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002a134c76174ad6858c26fc6b02293b7513bb5b02a397de4"], 0x38}}, 0x0) (async)

13:44:59 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x0, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000700000000000800020005000000090001009e3d860100000000"], 0x38}}, 0x0)

13:44:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x625, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x40}, 0x1, 0x0, 0x0, 0x51}, 0x44000)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r2, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x800)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

[ 1648.661587] nbd: must specify a device to reconfigure
13:44:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff})
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={<r5=>0xffffffffffffffff})
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r7, 0x0, 0x0)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xbc, r2, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x44010)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000040007800c00020000000000000000000c0003000097873cd2d894568554a900000000000000"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r4, 0x0, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r6, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r7, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r8, 0x0, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xbc, r2, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x44010) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000040007800c00020000000000000000000c0003000097873cd2d894568554a900000000000000"], 0x30}}, 0x0) (async)

13:44:59 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x0, 0x70bd27, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000fa16bd1c20e200010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002a134c76174ad6858c26fc6b02293b7513bb5b02a397de4"], 0x38}}, 0x0)

13:44:59 executing program 3:
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x40102, 0x0)
ioctl$KVM_UNREGISTER_COALESCED_MMIO(r0, 0x4010ae68, &(0x7f00000000c0)={0x10000, 0xc000}) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00', <r5=>0x0})
r6 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r6, 0x8933, &(0x7f0000000680)={'vcan0\x00', <r7=>0x0}) (async, rerun: 32)
bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000500)={r0, 0x58, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, <r8=>0x0}}, 0x10) (rerun: 32)
r9 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r9, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r10=>0x0}) (async)
r11 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r11, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000180)=ANY=[@ANYBLOB="6000000010000100"/20, @ANYRES32=r10, @ANYBLOB="0000000800000000080018800400018024000e00000000000000004000000000000000000000000000000000080000000000000008002e0000db5031f9e139e51e4784aa96030000000a000200bbbbbbbb00bb0000"], 0x60}}, 0x0) (async)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(r4, &(0x7f0000000580)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000540)={&(0x7f00000006c0)={0x31c, 0x0, 0x4, 0x70bd2a, 0x25dfdbff, {}, [@ETHTOOL_A_PRIVFLAGS_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0x198, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x120, 0x3, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8001}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, 'vcan0\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}]}, {0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/zero\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x15, 0x2, '\\-\x98@&[&#q-():-^:\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '\xb4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}]}, {0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/zero\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7b6}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xd, 0x2, ':*{*}+.(\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, 'vcan0\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x74, 0x3, 0x0, 0x1, [{0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '()(\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '*z\x00'}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '[^#)6\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '.]$\xec!\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, '-*^+\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_bond\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x31c}, 0x1, 0x0, 0x0, 0x8004}, 0x48890) (async)
r12 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r12, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
r13 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r13, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYRES16=r3, @ANYRESOCT=r4, @ANYBLOB="e0796db70f272e0eac28f696fa9f9a7264a6bfe1e63c7c314a4cb5f9b183a83c86f82166042a648d5569f812806d106a28b8085dfae3f4a7e37a60b8cf45604563f5fa152c5ecd13060000cf009da69a4c6e4907c7c97cf0c29bc841780817e43c49cfbf8f2cd9ce2ce7cadd1f4ab9f122f935b5ded5aa1dedcb1225b2e929933d6b4448bb93083f0e0d7ad6b52648535f95c887323eb2c469bafd9ec7a8ddd1ceb314d74ca87b164637cab8dfe65c0e435f0ba307a7493734e11ed4aaa733f545d75114fd6fe659b720a5a724c195104c659e9832169d", @ANYRESHEX=r6, @ANYRES16=r13, @ANYRES32=r12], 0x30}}, 0x0)

13:44:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000008000700000000000800020005000000090001009e3d860100000000"], 0x38}}, 0x0)

13:44:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x625, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x40}, 0x1, 0x0, 0x0, 0x51}, 0x44000)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r2, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x800)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x625, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x40}, 0x1, 0x0, 0x0, 0x51}, 0x44000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r2, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x800) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)

13:44:59 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x0, 0x25dfdbfb, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

[ 1648.714367] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'.
[ 1648.752445] nbd: must specify a device to reconfigure
13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = socket$isdn(0x22, 0x3, 0x10)
setsockopt$MISDN_TIME_STAMP(r3, 0x0, 0x1, &(0x7f0000000040)=0x1, 0x4)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x12, 0x1, '\xbb=,\x89\"P-\xe1\xcc\x8d\xe1\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}]}, 0x40}}, 0x0)

13:44:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}}, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x38, r3, 0x800, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x547}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x180}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}]}, 0x38}, 0x1, 0x0, 0x0, 0x40010}, 0x4880)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x40, 0x0, 0x8, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}]}, 0x40}, 0x1, 0x0, 0x0, 0x240408c5}, 0x40890)
sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x1c, 0x0, 0x1, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0xc045}, 0x20000094)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000004c0)=ANY=[@ANYBLOB="8e2cb102f42cf9aa9a8a9ecc25ec62d063a59007af16d04fffa46dbdd334cfe7cf8bfbfcbd7fad94fe6486068c68b8d7c8b79f82135b554207f5ca14e667a8f6ab2ffaaa07b4917871449abc049f9d956364825614e9f9513b6813893b4ea77e07f2ec375e9d5ea388291f80000000000000007cf7d6d93dc5fba71d42d79f6c21285ac5ce230b303740fb5377f7fd610972311a5f3408547ad191c9844125308c2ec1418dfa08933033584668623a5c5eb631a7f19af53311e9ad59b14d01868d9a9f500c8b3b5f1db475b8f79540ad4967e13df18645fd645e31cb88a0ebfe03ddea90f24405c2afa4257e2962da403174ec", @ANYRES16, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0005000000000000000000"], 0x30}}, 0x0)

13:44:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r3=>0xffffffffffffffff}) (async)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={<r5=>0xffffffffffffffff}) (async)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0) (async)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r7, 0x0, 0x0)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0xbc, r2, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}]}, 0xbc}, 0x1, 0x0, 0x0, 0x80}, 0x44010) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000003000000040007800c00020000000000000000000c0003000097873cd2d894568554a900000000000000"], 0x30}}, 0x0)

13:44:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x625, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x40}, 0x1, 0x0, 0x0, 0x51}, 0x44000)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r2, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x800)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, 0x0, 0x625, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x40}, 0x1, 0x0, 0x0, 0x51}, 0x44000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r2, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, r2, 0x200, 0x70bd26, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40}, 0x800) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)

13:44:59 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x58, 0x54, 0x1, 0x0, 0x0, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}, @MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x0, 0x1, 0x0, {@in6_addr=@mcast2}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
r3 = socket$isdn(0x22, 0x3, 0x10)
setsockopt$MISDN_TIME_STAMP(r3, 0x0, 0x1, &(0x7f0000000040)=0x1, 0x4)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x12, 0x1, '\xbb=,\x89\"P-\xe1\xcc\x8d\xe1\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}]}, 0x40}}, 0x0)

[ 1648.819291] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:59 executing program 3:
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x40102, 0x0)
ioctl$KVM_UNREGISTER_COALESCED_MMIO(r0, 0x4010ae68, &(0x7f00000000c0)={0x10000, 0xc000})
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00', <r5=>0x0})
r6 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r6, 0x8933, &(0x7f0000000680)={'vcan0\x00', <r7=>0x0})
bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000500)={r0, 0x58, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, <r8=>0x0}}, 0x10)
r9 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r9, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r10=>0x0})
r11 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r11, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000180)=ANY=[@ANYBLOB="6000000010000100"/20, @ANYRES32=r10, @ANYBLOB="0000000800000000080018800400018024000e00000000000000004000000000000000000000000000000000080000000000000008002e0000db5031f9e139e51e4784aa96030000000a000200bbbbbbbb00bb0000"], 0x60}}, 0x0)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(r4, &(0x7f0000000580)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000540)={&(0x7f00000006c0)={0x31c, 0x0, 0x4, 0x70bd2a, 0x25dfdbff, {}, [@ETHTOOL_A_PRIVFLAGS_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0x198, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x120, 0x3, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8001}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, 'vcan0\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}]}, {0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/zero\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x15, 0x2, '\\-\x98@&[&#q-():-^:\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '\xb4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}]}, {0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/zero\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7b6}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xd, 0x2, ':*{*}+.(\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, 'vcan0\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x74, 0x3, 0x0, 0x1, [{0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '()(\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '*z\x00'}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '[^#)6\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '.]$\xec!\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, '-*^+\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_bond\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x31c}, 0x1, 0x0, 0x0, 0x8004}, 0x48890)
r12 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r12, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
r13 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r13, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYRES16=r3, @ANYRESOCT=r4, @ANYBLOB="e0796db70f272e0eac28f696fa9f9a7264a6bfe1e63c7c314a4cb5f9b183a83c86f82166042a648d5569f812806d106a28b8085dfae3f4a7e37a60b8cf45604563f5fa152c5ecd13060000cf009da69a4c6e4907c7c97cf0c29bc841780817e43c49cfbf8f2cd9ce2ce7cadd1f4ab9f122f935b5ded5aa1dedcb1225b2e929933d6b4448bb93083f0e0d7ad6b52648535f95c887323eb2c469bafd9ec7a8ddd1ceb314d74ca87b164637cab8dfe65c0e435f0ba307a7493734e11ed4aaa733f545d75114fd6fe659b720a5a724c195104c659e9832169d", @ANYRESHEX=r6, @ANYRES16=r13, @ANYRES32=r12], 0x30}}, 0x0)
openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x40102, 0x0) (async)
ioctl$KVM_UNREGISTER_COALESCED_MMIO(r0, 0x4010ae68, &(0x7f00000000c0)={0x10000, 0xc000}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async)
socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r6, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000500)={r0, 0x58, &(0x7f0000000480)}, 0x10) (async)
socket$nl_route(0x10, 0x3, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r9, 0x8933, &(0x7f0000000100)={'vxcan1\x00'}) (async)
socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$nl_route(r11, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000180)=ANY=[@ANYBLOB="6000000010000100"/20, @ANYRES32=r10, @ANYBLOB="0000000800000000080018800400018024000e00000000000000004000000000000000000000000000000000080000000000000008002e0000db5031f9e139e51e4784aa96030000000a000200bbbbbbbb00bb0000"], 0x60}}, 0x0) (async)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(r4, &(0x7f0000000580)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000540)={&(0x7f00000006c0)={0x31c, 0x0, 0x4, 0x70bd2a, 0x25dfdbff, {}, [@ETHTOOL_A_PRIVFLAGS_HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gre0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vxcan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'virt_wifi0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0x198, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x120, 0x3, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8001}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, 'vcan0\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}]}, {0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/zero\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x15, 0x2, '\\-\x98@&[&#q-():-^:\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x9}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '\xb4\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}]}, {0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, '/dev/zero\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7b6}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xd, 0x2, ':*{*}+.(\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, 'vcan0\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x74, 0x3, 0x0, 0x1, [{0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '()(\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '*z\x00'}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '[^#)6\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '.]$\xec!\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, 'nbd\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x9, 0x2, '-*^+\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'erspan0\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r7}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_bond\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macvlan1\x00'}]}, @ETHTOOL_A_PRIVFLAGS_HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x31c}, 0x1, 0x0, 0x0, 0x8004}, 0x48890) (async)
socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r12, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r13, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYRES16=r3, @ANYRESOCT=r4, @ANYBLOB="e0796db70f272e0eac28f696fa9f9a7264a6bfe1e63c7c314a4cb5f9b183a83c86f82166042a648d5569f812806d106a28b8085dfae3f4a7e37a60b8cf45604563f5fa152c5ecd13060000cf009da69a4c6e4907c7c97cf0c29bc841780817e43c49cfbf8f2cd9ce2ce7cadd1f4ab9f122f935b5ded5aa1dedcb1225b2e929933d6b4448bb93083f0e0d7ad6b52648535f95c887323eb2c469bafd9ec7a8ddd1ceb314d74ca87b164637cab8dfe65c0e435f0ba307a7493734e11ed4aaa733f545d75114fd6fe659b720a5a724c195104c659e9832169d", @ANYRESHEX=r6, @ANYRES16=r13, @ANYRES32=r12], 0x30}}, 0x0) (async)

13:44:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = socket$isdn(0x22, 0x3, 0x10)
setsockopt$MISDN_TIME_STAMP(r3, 0x0, 0x1, &(0x7f0000000040)=0x1, 0x4)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x12, 0x1, '\xbb=,\x89\"P-\xe1\xcc\x8d\xe1\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}]}, 0x40}}, 0x0)

13:44:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x20000000)

13:44:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), 0xffffffffffffffff)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000100000be700070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}, 0x1, 0x0, 0x0, 0x404c805}, 0x0)

13:44:59 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x38, 0x54, 0x1, 0x0, 0x0, {}, [@MDBA_SET_ENTRY={0x20, 0x1, {0x0, 0x7704ad7d2cae9c1d, 0x3, 0x0, {@ip4=@rand_addr=0x64010101, 0x105ba}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:59 executing program 1:
r0 = socket$pppoe(0x18, 0x1, 0x0)
ioctl$PPPOEIOCSFWD(r0, 0x4008b100, &(0x7f00000005c0)={0x18, 0x0, {0x0, @broadcast, 'tunl0\x00'}})
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, 0x0, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x30}, 0x1, 0x0, 0x0, 0x10}, 0x4000)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r5, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000004c0), r1)
sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000580)={&(0x7f00000002c0), 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x40, r6, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x49d0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4040811}, 0x880)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000000}, 0x20000001)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="00000000d26c5c6a7122be8363772f42b5dc06a31b69304522087eff515e0921f94d8d3ee7bfb9af8eeb7a32f3bee28c1ab004982f836bfa02ef6e52713bc6c3362ed9666e03210dfc69981d0ff24aa54ef23a43726c23af7855eb1d80f544b54bebcf41fb8f20eae54e69ebdeba6b13bafb6a844051c5785d8fc2e56b5ad7eeb907fe8779fe09cce0ed338a7c8559401a72b11475286e062a2083a53fd2546ffaae678b43decfbac609550e5c4076e93a3624a536b15b8850860952b3d3407a99ec475afc2d0553dc29b5c42f5292c2ab8b85a9dd32746388f8", @ANYRES16=r4, @ANYBLOB="010000000000000000000100000004000780a71c6b5f00000000000000000cd5d2651d0f24acc15c00030000c7788a4ac8f7caad27acb1e1173ae0f9590e1ff82c55c7afd5f5f60fcd7ccc4c3b4b852dfbbc069b4f6481b5e6b8650c655e8c369bcbdb9a0b3c084ace640fba3559e3523b12fb5c190e624bf6c2ace23ee9ce95469dde438107a9c11204629e82259db1748ea62d23356d7e00810650b1b0"], 0x30}}, 0x0)

[ 1648.900091] nbd: must specify a device to reconfigure
[ 1648.905426] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = socket$isdn(0x22, 0x3, 0x10)
setsockopt$MISDN_TIME_STAMP(r3, 0x0, 0x1, &(0x7f0000000040)=0x1, 0x4)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x12, 0x1, '\xbb=,\x89\"P-\xe1\xcc\x8d\xe1\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}]}, 0x40}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
socket$isdn(0x22, 0x3, 0x10) (async)
setsockopt$MISDN_TIME_STAMP(r3, 0x0, 0x1, &(0x7f0000000040)=0x1, 0x4) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x12, 0x1, '\xbb=,\x89\"P-\xe1\xcc\x8d\xe1\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}]}, 0x40}}, 0x0) (async)

13:44:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x20000000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x20000000) (async)

13:44:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x30, 0x0, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000850}, 0x4000010)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x70bd27, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '%$-'}]}, 0x2c}}, 0x0)

13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, r3, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x30}}, 0x800)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x38}}, 0x0)

13:44:59 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x14, r4, 0x1, 0x70bd2d, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x4040010}, 0x4000004)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB="35000002", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0005000000000000000000"], 0x30}}, 0x0)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x24, r5, 0x4, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000800}, 0x4044)

13:44:59 executing program 1:
r0 = socket$pppoe(0x18, 0x1, 0x0)
ioctl$PPPOEIOCSFWD(r0, 0x4008b100, &(0x7f00000005c0)={0x18, 0x0, {0x0, @broadcast, 'tunl0\x00'}})
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, 0x0, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x30}, 0x1, 0x0, 0x0, 0x10}, 0x4000)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r5, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000004c0), r1)
sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000580)={&(0x7f00000002c0), 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x40, r6, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x49d0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4040811}, 0x880)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000000}, 0x20000001)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="00000000d26c5c6a7122be8363772f42b5dc06a31b69304522087eff515e0921f94d8d3ee7bfb9af8eeb7a32f3bee28c1ab004982f836bfa02ef6e52713bc6c3362ed9666e03210dfc69981d0ff24aa54ef23a43726c23af7855eb1d80f544b54bebcf41fb8f20eae54e69ebdeba6b13bafb6a844051c5785d8fc2e56b5ad7eeb907fe8779fe09cce0ed338a7c8559401a72b11475286e062a2083a53fd2546ffaae678b43decfbac609550e5c4076e93a3624a536b15b8850860952b3d3407a99ec475afc2d0553dc29b5c42f5292c2ab8b85a9dd32746388f8", @ANYRES16=r4, @ANYBLOB="010000000000000000000100000004000780a71c6b5f00000000000000000cd5d2651d0f24acc15c00030000c7788a4ac8f7caad27acb1e1173ae0f9590e1ff82c55c7afd5f5f60fcd7ccc4c3b4b852dfbbc069b4f6481b5e6b8650c655e8c369bcbdb9a0b3c084ace640fba3559e3523b12fb5c190e624bf6c2ace23ee9ce95469dde438107a9c11204629e82259db1748ea62d23356d7e00810650b1b0"], 0x30}}, 0x0)
socket$pppoe(0x18, 0x1, 0x0) (async)
ioctl$PPPOEIOCSFWD(r0, 0x4008b100, &(0x7f00000005c0)={0x18, 0x0, {0x0, @broadcast, 'tunl0\x00'}}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, 0x0, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x30}, 0x1, 0x0, 0x0, 0x10}, 0x4000) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r5, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000004c0), r1) (async)
sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000580)={&(0x7f00000002c0), 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x40, r6, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x49d0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4040811}, 0x880) (async)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000000}, 0x20000001) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="00000000d26c5c6a7122be8363772f42b5dc06a31b69304522087eff515e0921f94d8d3ee7bfb9af8eeb7a32f3bee28c1ab004982f836bfa02ef6e52713bc6c3362ed9666e03210dfc69981d0ff24aa54ef23a43726c23af7855eb1d80f544b54bebcf41fb8f20eae54e69ebdeba6b13bafb6a844051c5785d8fc2e56b5ad7eeb907fe8779fe09cce0ed338a7c8559401a72b11475286e062a2083a53fd2546ffaae678b43decfbac609550e5c4076e93a3624a536b15b8850860952b3d3407a99ec475afc2d0553dc29b5c42f5292c2ab8b85a9dd32746388f8", @ANYRES16=r4, @ANYBLOB="010000000000000000000100000004000780a71c6b5f00000000000000000cd5d2651d0f24acc15c00030000c7788a4ac8f7caad27acb1e1173ae0f9590e1ff82c55c7afd5f5f60fcd7ccc4c3b4b852dfbbc069b4f6481b5e6b8650c655e8c369bcbdb9a0b3c084ace640fba3559e3523b12fb5c190e624bf6c2ace23ee9ce95469dde438107a9c11204629e82259db1748ea62d23356d7e00810650b1b0"], 0x30}}, 0x0) (async)

[ 1648.996549] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:59 executing program 3:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r6)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}]}, 0x58}}, 0x0)
openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x10200, 0x0)

13:44:59 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x18, 0x54, 0x1}, 0x18}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)

13:44:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x20000000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x20000000) (async)

13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, r3, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x30}}, 0x800)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x38}}, 0x0)

13:44:59 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x18, 0x54, 0x1}, 0x18}}, 0x40000)

13:44:59 executing program 3:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff}) (async, rerun: 64)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (rerun: 64)
getpeername$packet(r5, 0x0, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r6)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}]}, 0x58}}, 0x0) (async)
openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x10200, 0x0)

13:44:59 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r6)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}]}, 0x58}}, 0x0)
openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x10200, 0x0)

[ 1649.086699] nbd: must specify at least one socket
[ 1649.099270] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, r3, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x30}}, 0x800) (async)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x38}}, 0x0)

13:44:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff})
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r7=>0xffffffffffffffff})
getpeername$packet(r4, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f00000002c0)=0x14)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
ioctl$KVM_GET_CLOCK(r8, 0x8030ae7c, &(0x7f0000000300))
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x6c, 0x0, 0x1, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:59 executing program 1:
r0 = socket$pppoe(0x18, 0x1, 0x0)
ioctl$PPPOEIOCSFWD(r0, 0x4008b100, &(0x7f00000005c0)={0x18, 0x0, {0x0, @broadcast, 'tunl0\x00'}})
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, 0x0, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x30}, 0x1, 0x0, 0x0, 0x10}, 0x4000)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r5, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000004c0), r1)
sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000580)={&(0x7f00000002c0), 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x40, r6, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x49d0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4040811}, 0x880)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000000}, 0x20000001)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="00000000d26c5c6a7122be8363772f42b5dc06a31b69304522087eff515e0921f94d8d3ee7bfb9af8eeb7a32f3bee28c1ab004982f836bfa02ef6e52713bc6c3362ed9666e03210dfc69981d0ff24aa54ef23a43726c23af7855eb1d80f544b54bebcf41fb8f20eae54e69ebdeba6b13bafb6a844051c5785d8fc2e56b5ad7eeb907fe8779fe09cce0ed338a7c8559401a72b11475286e062a2083a53fd2546ffaae678b43decfbac609550e5c4076e93a3624a536b15b8850860952b3d3407a99ec475afc2d0553dc29b5c42f5292c2ab8b85a9dd32746388f8", @ANYRES16=r4, @ANYBLOB="010000000000000000000100000004000780a71c6b5f00000000000000000cd5d2651d0f24acc15c00030000c7788a4ac8f7caad27acb1e1173ae0f9590e1ff82c55c7afd5f5f60fcd7ccc4c3b4b852dfbbc069b4f6481b5e6b8650c655e8c369bcbdb9a0b3c084ace640fba3559e3523b12fb5c190e624bf6c2ace23ee9ce95469dde438107a9c11204629e82259db1748ea62d23356d7e00810650b1b0"], 0x30}}, 0x0)
socket$pppoe(0x18, 0x1, 0x0) (async)
ioctl$PPPOEIOCSFWD(r0, 0x4008b100, &(0x7f00000005c0)={0x18, 0x0, {0x0, @broadcast, 'tunl0\x00'}}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, 0x0, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x30}, 0x1, 0x0, 0x0, 0x10}, 0x4000) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r5, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000004c0), r1) (async)
sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000580)={&(0x7f00000002c0), 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x40, r6, 0x8, 0x70bd27, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x49d0}]}, 0x40}, 0x1, 0x0, 0x0, 0x4040811}, 0x880) (async)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x40, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}]}, 0x40}, 0x1, 0x0, 0x0, 0x4000000}, 0x20000001) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)=ANY=[@ANYBLOB="00000000d26c5c6a7122be8363772f42b5dc06a31b69304522087eff515e0921f94d8d3ee7bfb9af8eeb7a32f3bee28c1ab004982f836bfa02ef6e52713bc6c3362ed9666e03210dfc69981d0ff24aa54ef23a43726c23af7855eb1d80f544b54bebcf41fb8f20eae54e69ebdeba6b13bafb6a844051c5785d8fc2e56b5ad7eeb907fe8779fe09cce0ed338a7c8559401a72b11475286e062a2083a53fd2546ffaae678b43decfbac609550e5c4076e93a3624a536b15b8850860952b3d3407a99ec475afc2d0553dc29b5c42f5292c2ab8b85a9dd32746388f8", @ANYRES16=r4, @ANYBLOB="010000000000000000000100000004000780a71c6b5f00000000000000000cd5d2651d0f24acc15c00030000c7788a4ac8f7caad27acb1e1173ae0f9590e1ff82c55c7afd5f5f60fcd7ccc4c3b4b852dfbbc069b4f6481b5e6b8650c655e8c369bcbdb9a0b3c084ace640fba3559e3523b12fb5c190e624bf6c2ace23ee9ce95469dde438107a9c11204629e82259db1748ea62d23356d7e00810650b1b0"], 0x30}}, 0x0) (async)

13:44:59 executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000240)=@RTM_NEWMDB={0x18, 0x54, 0x1}, 0x18}}, 0x0)

13:44:59 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r6)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}]}, 0x58}}, 0x0)
openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x10200, 0x0)

13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x300, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x30}, 0x1, 0x0, 0x0, 0xac04a402c2bde80e}, 0x20004890)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

[ 1649.192346] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff}) (async, rerun: 64)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (rerun: 64)
getpeername$packet(r6, 0x0, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r7=>0xffffffffffffffff}) (async)
getpeername$packet(r4, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f00000002c0)=0x14)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
ioctl$KVM_GET_CLOCK(r8, 0x8030ae7c, &(0x7f0000000300))
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x6c, 0x0, 0x1, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:59 executing program 3:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r6)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}]}, 0x58}}, 0x0)
openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x10200, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) (async)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r5, 0x0, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r6) (async)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}]}, 0x58}}, 0x0) (async)
openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x10200, 0x0) (async)

13:44:59 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r6)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}]}, 0x58}}, 0x0)
openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x10200, 0x0)

13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x300, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x30}, 0x1, 0x0, 0x0, 0xac04a402c2bde80e}, 0x20004890) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:59 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff})
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r7=>0xffffffffffffffff})
getpeername$packet(r4, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f00000002c0)=0x14)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
ioctl$KVM_GET_CLOCK(r8, 0x8030ae7c, &(0x7f0000000300))
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x6c, 0x0, 0x1, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

[ 1649.349898] PF_BRIDGE: br_mdb_parse() with invalid ifindex
13:44:59 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
ioctl$KVM_X86_GET_MCE_CAP_SUPPORTED(0xffffffffffffffff, 0x8008ae9d, &(0x7f0000000040)=""/9)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, r2, 0x1, 0x4000000}, 0x14}}, 0x0)

13:44:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="446bef3992d564dcff3005000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:44:59 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r6)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}]}, 0x58}}, 0x0)

13:44:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async, rerun: 32)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (rerun: 32)
getpeername$packet(r4, 0x0, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff}) (async)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={<r7=>0xffffffffffffffff}) (async, rerun: 32)
getpeername$packet(r4, &(0x7f0000000280)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @multicast}, &(0x7f00000002c0)=0x14) (async, rerun: 32)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0) (async)
ioctl$KVM_GET_CLOCK(r8, 0x8030ae7c, &(0x7f0000000300))
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x6c, 0x0, 0x1, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x6c}, 0x1, 0x0, 0x0, 0x80}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x300, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x30}, 0x1, 0x0, 0x0, 0xac04a402c2bde80e}, 0x20004890)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x300, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x30}, 0x1, 0x0, 0x0, 0xac04a402c2bde80e}, 0x20004890) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)

13:44:59 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
ioctl$KVM_X86_GET_MCE_CAP_SUPPORTED(0xffffffffffffffff, 0x8008ae9d, &(0x7f0000000040)=""/9) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, r2, 0x1, 0x4000000}, 0x14}}, 0x0)

[ 1649.463143] nbd: must specify at least one socket
13:44:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="446bef3992d564dcff3005000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:44:59 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}]}, 0x58}}, 0x0)

13:44:59 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x30, r3, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x30}}, 0x800)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x38}}, 0x0)

13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="380000002fec77462c929e88613bff49e3af66b019c03711c4b7df47bec3ce918a5d62e360a8fff6b6dc83211ae836848dd0e69df174bfaa00b933cba7d6aff7532c884071872c1a7ff842772784bd624d9aae99fee92ab1a4a63a4fb34902df6383d0b79c04557be21e424f7aa10497b88f1086d0ae31b7fda31bcaa734c2e946066eba2f928d6cef35c6017fe5410af48fa94e6e001d0b9b96543fedd81d90ff50c3acb4a0e99232765161b95e2e5e7a3bd2dd4ca6f89f2de34969908a05035ea2c9164350e2", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0)

13:44:59 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r4, 0x309}, 0x14}}, 0x0)
r5 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r5, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)=ANY=[@ANYRES16=r3, @ANYRES16=r4, @ANYRESOCT=r5], 0x92}, 0x1, 0x0, 0x0, 0x20000080}, 0x4)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:44:59 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
ioctl$KVM_X86_GET_MCE_CAP_SUPPORTED(0xffffffffffffffff, 0x8008ae9d, &(0x7f0000000040)=""/9)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x14, r2, 0x1, 0x4000000}, 0x14}}, 0x0)

13:44:59 executing program 0:
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x4400, 0x0)
ioctl$NBD_SET_SIZE(r0, 0xab02, 0x8)
syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x91640bfe9fafd512)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2c0000001800010000000000000000000200000000000008"], 0x2c}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

[ 1649.548728] nbd: must specify at least one socket
13:44:59 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}]}, 0x58}}, 0x0)

13:44:59 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="446bef3992d564dcff3005000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:44:59 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="380000002fec77462c929e88613bff49e3af66b019c03711c4b7df47bec3ce918a5d62e360a8fff6b6dc83211ae836848dd0e69df174bfaa00b933cba7d6aff7532c884071872c1a7ff842772784bd624d9aae99fee92ab1a4a63a4fb34902df6383d0b79c04557be21e424f7aa10497b88f1086d0ae31b7fda31bcaa734c2e946066eba2f928d6cef35c6017fe5410af48fa94e6e001d0b9b96543fedd81d90ff50c3acb4a0e99232765161b95e2e5e7a3bd2dd4ca6f89f2de34969908a05035ea2c9164350e2", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0)

13:45:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r4, 0x309}, 0x14}}, 0x0) (async)
r5 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r5, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_VERSION(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)=ANY=[@ANYRES16=r3, @ANYRES16=r4, @ANYRESOCT=r5], 0x92}, 0x1, 0x0, 0x0, 0x20000080}, 0x4) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
ioctl$PPPOEIOCSFWD(0xffffffffffffffff, 0x4008b100, &(0x7f0000000240)={0x18, 0x0, {0x3, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, 'geneve1\x00'}})
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r5, 0x200, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x1c}, 0x1, 0x0, 0x0, 0x24008044}, 0x800)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x30, r4, 0x1, 0x70bd2c, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x30}}, 0x0)
r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r1)
sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x30, r6, 0x20, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x30}, 0x1, 0x0, 0x0, 0x852}, 0x4044814)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

13:45:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x14, r2, 0x1, 0x70bd29}, 0x14}}, 0x0)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0)
ioctl$LOOP_SET_CAPACITY(0xffffffffffffffff, 0x4c07)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="3000a0c407618e2f0600", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020002000000000000ec0b0003001000000000000000"], 0x30}}, 0x0)
r4 = socket(0x2c, 0x800, 0x8001)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = socket(0x8, 0x6, 0x81)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x84, r3, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}]}, 0x84}, 0x1, 0x0, 0x0, 0x4880}, 0x801)
connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x4, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x1a}, 'veth1_to_hsr\x00'}}, 0x1e)

[ 1649.649710] nbd: must specify at least one socket
13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r4, 0x309}, 0x14}}, 0x0)
r5 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r5, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)=ANY=[@ANYRES16=r3, @ANYRES16=r4, @ANYRESOCT=r5], 0x92}, 0x1, 0x0, 0x0, 0x20000080}, 0x4)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r4, 0x309}, 0x14}}, 0x0) (async)
socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r5, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_VERSION(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)=ANY=[@ANYRES16=r3, @ANYRES16=r4, @ANYRESOCT=r5], 0x92}, 0x1, 0x0, 0x0, 0x20000080}, 0x4) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)

13:45:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x14, r2, 0x1, 0x70bd29}, 0x14}}, 0x0)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}}, 0x0)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, r2, 0x8, 0x70bd26, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000000}]}, 0x28}, 0x1, 0x0, 0x0, 0x400458c1}, 0x4)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

[ 1649.707851] nbd: must specify at least one socket
13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r4=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0)
ioctl$LOOP_SET_CAPACITY(0xffffffffffffffff, 0x4c07)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="3000a0c407618e2f0600", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020002000000000000ec0b0003001000000000000000"], 0x30}}, 0x0)
r4 = socket(0x2c, 0x800, 0x8001)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = socket(0x8, 0x6, 0x81)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x84, r3, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}]}, 0x84}, 0x1, 0x0, 0x0, 0x4880}, 0x801)
connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x4, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x1a}, 'veth1_to_hsr\x00'}}, 0x1e)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async)
ioctl$LOOP_SET_CAPACITY(0xffffffffffffffff, 0x4c07) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="3000a0c407618e2f0600", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020002000000000000ec0b0003001000000000000000"], 0x30}}, 0x0) (async)
socket(0x2c, 0x800, 0x8001) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r5, 0x0, 0x0) (async)
socket(0x8, 0x6, 0x81) (async)
openat$zero(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r8, 0x0, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x84, r3, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}]}, 0x84}, 0x1, 0x0, 0x0, 0x4880}, 0x801) (async)
connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x4, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x1a}, 'veth1_to_hsr\x00'}}, 0x1e) (async)

13:45:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="380000002fec77462c929e88613bff49e3af66b019c03711c4b7df47bec3ce918a5d62e360a8fff6b6dc83211ae836848dd0e69df174bfaa00b933cba7d6aff7532c884071872c1a7ff842772784bd624d9aae99fee92ab1a4a63a4fb34902df6383d0b79c04557be21e424f7aa10497b88f1086d0ae31b7fda31bcaa734c2e946066eba2f928d6cef35c6017fe5410af48fa94e6e001d0b9b96543fedd81d90ff50c3acb4a0e99232765161b95e2e5e7a3bd2dd4ca6f89f2de34969908a05035ea2c9164350e2", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = socket(0x25, 0x80000, 0x7)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x200, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '\\'}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r1}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x50}, 0x1, 0x0, 0x0, 0x80}, 0x9fb53126fefd826b)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)

13:45:00 executing program 5:
ioctl$KVM_ASSIGN_SET_MSIX_NR(0xffffffffffffffff, 0x4008ae73, &(0x7f0000000000)={0xd, 0x4})
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x38}, 0x1, 0x0, 0x0, 0xd207cf6892e72600}, 0x0)

13:45:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x14, r2, 0x1, 0x70bd29}, 0x14}}, 0x0)

13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0903000008000000000005000000"], 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x2c, r2, 0x1, 0x70bd28, 0xbba, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x80)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000380), r3)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r7)
sendmsg$NBD_CMD_STATUS(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000700)={0x28, r8, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4}, 0x810)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r8, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x40010)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000740)=ANY=[@ANYBLOB="3809cccb1b36bc0000", @ANYRES16=r5, @ANYBLOB="01000000000000000000010000000800070000000000080042000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r9, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r9, &(0x7f0000000580)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x1c, 0x6, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000}, 0x80)
r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000600), r9)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r7, &(0x7f00000006c0)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x40, r10, 0x800, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x41000}, 0x40800)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async)
ioctl$LOOP_SET_CAPACITY(0xffffffffffffffff, 0x4c07) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)=ANY=[@ANYBLOB="3000a0c407618e2f0600", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020002000000000000ec0b0003001000000000000000"], 0x30}}, 0x0) (async)
r4 = socket(0x2c, 0x800, 0x8001) (async)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = socket(0x8, 0x6, 0x81) (async)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) (async)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x84, r3, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}]}, 0x84}, 0x1, 0x0, 0x0, 0x4880}, 0x801)
connect$pppoe(r4, &(0x7f0000000000)={0x18, 0x0, {0x4, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x1a}, 'veth1_to_hsr\x00'}}, 0x1e)

13:45:00 executing program 5:
ioctl$KVM_ASSIGN_SET_MSIX_NR(0xffffffffffffffff, 0x4008ae73, &(0x7f0000000000)={0xd, 0x4})
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x38}, 0x1, 0x0, 0x0, 0xd207cf6892e72600}, 0x0)
ioctl$KVM_ASSIGN_SET_MSIX_NR(0xffffffffffffffff, 0x4008ae73, &(0x7f0000000000)={0xd, 0x4}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x38}, 0x1, 0x0, 0x0, 0xd207cf6892e72600}, 0x0) (async)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000100000008000700000000000800020005000000090001009e3d86010000000008000800e0000002d49064b487115716838bef166e694391f1ccd1055123d86d0e5c75bd18d2a4fb2fec1689bcbd63568b009e80a8609d2559525df74ca9a344f5103360aeb8e4ef15cb2d753876e0e0fd9bf024290f175e90382f842f83153358843719f2098b1fdf538a9cbba1c186ba854a8ebd9196167f091e68d7f0a1753a4a5e5f7fd0725380e506f3716e42"], 0x38}}, 0x0)

[ 1649.848014] nbd: must specify at least one socket
13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r3, 0x0, 0x0)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r5=>0xffffffffffffffff})
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r9)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r9, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r10, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r8, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, r10, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/zero\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '*\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x3b}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x14008000}, 0x40008)
getpeername$packet(r7, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x78, r2, 0x800, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x78}}, 0x0)

13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
getpeername$packet(0xffffffffffffffff, 0x0, 0x0)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000700)={&(0x7f0000000640)={0x90, 0x0, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3e}]}, 0x90}, 0x1, 0x0, 0x0, 0x40000}, 0x40000000)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r6)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r7, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000400)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f00000004c0)={0x60, r7, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/zero\x00'}]}, 0x60}, 0x1, 0x0, 0x0, 0x8000}, 0x5b084f0605fe5918)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x14, r2, 0x200, 0x70bd26, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x5)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000340)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00072dbd7000fbdbdf2501000000080004000200000014000500fe880000000000a9e247049618ac02b42100b800000000000000000106000b000500000008000700e0000001"], 0x40}, 0x1, 0x0, 0x0, 0x5}, 0x4001)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0903000008000000000005000000"], 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x2c, r2, 0x1, 0x70bd28, 0xbba, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x80) (async, rerun: 32)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000380), r3)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async, rerun: 64)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r7)
sendmsg$NBD_CMD_STATUS(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000700)={0x28, r8, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4}, 0x810) (async, rerun: 32)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r8, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x40010) (rerun: 32)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000740)=ANY=[@ANYBLOB="3809cccb1b36bc0000", @ANYRES16=r5, @ANYBLOB="01000000000000000000010000000800070000000000080042000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0) (async)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r9, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r9, &(0x7f0000000580)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x1c, 0x6, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000}, 0x80) (async)
r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000600), r9)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r7, &(0x7f00000006c0)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x40, r10, 0x800, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x41000}, 0x40800)

13:45:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
getpeername$packet(0xffffffffffffffff, 0x0, 0x0)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000700)={&(0x7f0000000640)={0x90, 0x0, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3e}]}, 0x90}, 0x1, 0x0, 0x0, 0x40000}, 0x40000000)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r6)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r7, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000400)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f00000004c0)={0x60, r7, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/zero\x00'}]}, 0x60}, 0x1, 0x0, 0x0, 0x8000}, 0x5b084f0605fe5918)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x14, r2, 0x200, 0x70bd26, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x5)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000340)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00072dbd7000fbdbdf2501000000080004000200000014000500fe880000000000a9e247049618ac02b42100b800000000000000000106000b000500000008000700e0000001"], 0x40}, 0x1, 0x0, 0x0, 0x5}, 0x4001)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000040)={&(0x7f00000000c0)=@ipv4_newroute={0x2c, 0x18, 0x1, 0x0, 0x0, {}, [@RTA_PREFSRC={0x8, 0x7, @multicast2}, @RTA_SPORT={0x6}]}, 0x2c}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async, rerun: 32)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (rerun: 32)
getpeername$packet(r3, 0x0, 0x0) (async)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r5=>0xffffffffffffffff}) (async, rerun: 32)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (rerun: 32)
getpeername$packet(r6, 0x0, 0x0) (async, rerun: 32)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (rerun: 32)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r9)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r9, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r10, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_VERSION(r8, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, r10, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/zero\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '*\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x3b}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x14008000}, 0x40008) (async)
getpeername$packet(r7, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x78, r2, 0x800, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x78}}, 0x0)

13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 5:
ioctl$KVM_ASSIGN_SET_MSIX_NR(0xffffffffffffffff, 0x4008ae73, &(0x7f0000000000)={0xd, 0x4}) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x38}, 0x1, 0x0, 0x0, 0xd207cf6892e72600}, 0x0)

13:45:00 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000002d0003000700000000000000"], 0x30}}, 0x0)

13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
getpeername$packet(0xffffffffffffffff, 0x0, 0x0)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000700)={&(0x7f0000000640)={0x90, 0x0, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3e}]}, 0x90}, 0x1, 0x0, 0x0, 0x40000}, 0x40000000)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r6)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r7, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000400)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f00000004c0)={0x60, r7, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/zero\x00'}]}, 0x60}, 0x1, 0x0, 0x0, 0x8000}, 0x5b084f0605fe5918)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x14, r2, 0x200, 0x70bd26, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x5)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000340)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00072dbd7000fbdbdf2501000000080004000200000014000500fe880000000000a9e247049618ac02b42100b800000000000000000106000b000500000008000700e0000001"], 0x40}, 0x1, 0x0, 0x0, 0x5}, 0x4001)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
getpeername$packet(0xffffffffffffffff, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r5, 0x0, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000740)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000700)={&(0x7f0000000640)={0x90, 0x0, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3e}]}, 0x90}, 0x1, 0x0, 0x0, 0x40000}, 0x40000000) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r6) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r7, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000400)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f00000004c0)={0x60, r7, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/zero\x00'}]}, 0x60}, 0x1, 0x0, 0x0, 0x8000}, 0x5b084f0605fe5918) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r8, 0x0, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x14, r2, 0x200, 0x70bd26, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x5) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000340)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00072dbd7000fbdbdf2501000000080004000200000014000500fe880000000000a9e247049618ac02b42100b800000000000000000106000b000500000008000700e0000001"], 0x40}, 0x1, 0x0, 0x0, 0x5}, 0x4001) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)

13:45:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r3, 0x800, 0x70bd28, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x40000)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)=ANY=[@ANYBLOB="04000000", @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000040007800c00020000000000000000000c000300000000000000000000000104000000000000"], 0x30}}, 0x0)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r3, 0x0, 0x0) (async)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r5=>0xffffffffffffffff}) (async, rerun: 32)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (rerun: 32)
getpeername$packet(r6, 0x0, 0x0) (async)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r9)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r9, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r10, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_VERSION(r8, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, r10, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/zero\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '*\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x3b}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x14008000}, 0x40008)
getpeername$packet(r7, 0x0, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x78, r2, 0x800, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r3}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r3}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x78}}, 0x0)

13:45:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0903000008000000000005000000"], 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x2c, r2, 0x1, 0x70bd28, 0xbba, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x80) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000380), r3) (async)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r7)
sendmsg$NBD_CMD_STATUS(r7, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000700)={0x28, r8, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x4}, 0x810)
sendmsg$NBD_CMD_RECONFIGURE(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r8, 0x100, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x40010)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000740)=ANY=[@ANYBLOB="3809cccb1b36bc0000", @ANYRES16=r5, @ANYBLOB="01000000000000000000010000000800070000000000080042000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0) (async)
r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r9, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r9, &(0x7f0000000580)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x30, r4, 0x10, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x1c, 0x6, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x30}, 0x1, 0x0, 0x0, 0x40000}, 0x80) (async)
r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000600), r9)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r7, &(0x7f00000006c0)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x40, r10, 0x800, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x40}, 0x1, 0x0, 0x0, 0x41000}, 0x40800)

13:45:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r1)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, r2, 0x10, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0xc0}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0)

13:45:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r3, 0x800, 0x70bd28, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x40000) (async)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)=ANY=[@ANYBLOB="04000000", @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0)

13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYRES16=r0, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r1)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, r2, 0x10, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0xc0}, 0x0) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB='\x00'/13, @ANYRES16=r3, @ANYBLOB="20002cbd7000fbdbdf2503000000060001002e000000080001006e62640008000c0000000000"], 0x2c}, 0x1, 0x0, 0x0, 0x4008000}, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r3, 0x800, 0x70bd28, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x40000)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)=ANY=[@ANYBLOB="04000000", @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r3, 0x800, 0x70bd28, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}]}, 0x28}, 0x1, 0x0, 0x0, 0x40}, 0x40000) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)=ANY=[@ANYBLOB="04000000", @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}}, 0x0) (async)

13:45:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYRES64=r2, @ANYRESHEX=r4, @ANYBLOB="0100000000000000000001000000080007000000bb3d86110000000008000800e0000002000000000000000000000000000099b67c97e5958625519dd2e6299e9098ed12e0c8ebf212962bd4ed45f0007b639228eb05191de6d4609ca96ba0385d29f6a595bc5805bd500f31d1bc8e1a958b23007593ffd4903a40ac"], 0x38}, 0x1, 0x0, 0x0, 0x40014}, 0x0)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYRES16=r0, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYRES16=r0, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0) (async)

13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r1)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, r2, 0x10, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0xc0}, 0x0) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
bpf$BPF_MAP_GET_NEXT_ID(0xc, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYRES64=r2, @ANYRESHEX=r4, @ANYBLOB="0100000000000000000001000000080007000000bb3d86110000000008000800e0000002000000000000000000000000000099b67c97e5958625519dd2e6299e9098ed12e0c8ebf212962bd4ed45f0007b639228eb05191de6d4609ca96ba0385d29f6a595bc5805bd500f31d1bc8e1a958b23007593ffd4903a40ac"], 0x38}, 0x1, 0x0, 0x0, 0x40014}, 0x0)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYRES16=r0, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYRES16=r0, @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0) (async)

13:45:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
r3 = syz_open_dev$loop(&(0x7f0000000040), 0x9, 0x18001)
ioctl$LOOP_SET_STATUS64(r3, 0x4c04, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x8, 0x5, 0x0, 0x1, 0x1e, 0x14, "c560ef88daf40df0648a6e16f1576baa63212bf609f54eeafb982e3b85f91abb4349f777caabc7c4d4db21f8eb0f5c607c4f9d139d57c47aa4a975348acf56b8", "a229371c494032aa8d9379f37d9901ab74e84ea3aa398d8f72af5d775129913bcdede6d1fc5e388d8dd16b95e1c7505eda98fb401f32ca6d7d4e4f04d59ae6af", "69273dae476ec95f41ceea2508a9afbb1b733404773786d244c113d69b9cef00", [0xffffffffffff8001, 0xdb74]})

13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, 0x0, 0x0)

13:45:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r3, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r5=>0x0})
r6 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r6, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000540)=ANY=[@ANYBLOB="6400000000238e559cd648dcd4e19c7755c5a99195040100000000060001030000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000080018800400018024000e00000000000000000000000000000000000000000000000000000000000000000008002e00000000000a000200bbbbbbbbbbbb0000"], 0x60}}, 0x0)
r7 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r7, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r8=>0x0})
r9 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r9, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r8}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0)
r10 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r10, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r11=>0x0})
r12 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r12, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r11}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0)
bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000000c0)={0xffffffffffffffff, 0x58, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, <r13=>0x0}}, 0x10)
sendmsg$ETHTOOL_MSG_WOL_GET(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000200)={0x284, 0x0, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macsec0\x00'}]}, @HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x70, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vcan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x60, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r11}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_macvtap\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r13}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_team\x00'}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x284}, 0x1, 0x0, 0x0, 0x4}, 0x6)

13:45:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYRES64=r2, @ANYRESHEX=r4, @ANYBLOB="0100000000000000000001000000080007000000bb3d86110000000008000800e0000002000000000000000000000000000099b67c97e5958625519dd2e6299e9098ed12e0c8ebf212962bd4ed45f0007b639228eb05191de6d4609ca96ba0385d29f6a595bc5805bd500f31d1bc8e1a958b23007593ffd4903a40ac"], 0x38}, 0x1, 0x0, 0x0, 0x40014}, 0x0)

13:45:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async, rerun: 32)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async, rerun: 32)
r3 = syz_open_dev$loop(&(0x7f0000000040), 0x9, 0x18001)
ioctl$LOOP_SET_STATUS64(r3, 0x4c04, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x8, 0x5, 0x0, 0x1, 0x1e, 0x14, "c560ef88daf40df0648a6e16f1576baa63212bf609f54eeafb982e3b85f91abb4349f777caabc7c4d4db21f8eb0f5c607c4f9d139d57c47aa4a975348acf56b8", "a229371c494032aa8d9379f37d9901ab74e84ea3aa398d8f72af5d775129913bcdede6d1fc5e388d8dd16b95e1c7505eda98fb401f32ca6d7d4e4f04d59ae6af", "69273dae476ec95f41ceea2508a9afbb1b733404773786d244c113d69b9cef00", [0xffffffffffff8001, 0xdb74]})

13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x6c, r3, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '(@*-\x8e\x9e@\''}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8b62}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xdcdb}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x10)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000001c0), r3)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r4, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r4, @ANYRES32], 0x48}}, 0x10)
sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f0000000600)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x5c, r4, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x20000000)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb\xbd\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x42)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000640), r6)
sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r7, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400000000000000}]}, 0x24}, 0x1, 0x0, 0x0, 0x24048000}, 0x0)
r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r8, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f0000000740)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x1c, r8, 0x8, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20040890}, 0x80)
sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16, @ANYBLOB="000327bd7000ffdb000006000b002300000001000500fe880000000000000000000000000101080bed00ac1414bb0800fa00e000000106000b0029000000000000005c81a82dd9506371ccb47cdaeff4564bab01424a0f756a272d4ac40e580bb0c817a2a34eaf132512030ba0ed40c5646b7e376bc75f05875ef4022a18f98fbedb5080771043df016f"], 0x48}, 0x1, 0x0, 0x0, 0x1}, 0x40040)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x6c, r3, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '(@*-\x8e\x9e@\''}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8b62}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xdcdb}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x10)

13:45:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="c12529e9", @ANYRES16=r2, @ANYBLOB="000425bd700000000000010000000800070000000000080002000500000009000100bb3d86010000000014000500fe8000000000000000000000000000aa"], 0x44}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1602568b58a6274ceca73e9e60746ed2d6691800fe937f7cee5e5c0d47fee446ff5cc503979595f15991baa6c90974c28bab90f3d9b5d3ff520b74dcc1b1a2ea6a62cfa921fcf534fe5a6782b6964c800c8901c7a65dfbc857053f8511ceaeb4211936a301eb563b41861763cbee2ac78e89ca592eac56925a34b7d14181c7e9b0d0566613718ddf6c2720d7b06763576ea0721c07a02c34993f63b5ad1bf2f9f801e4d9edfbe5196e52f41e", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, r2, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x22}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '\'t\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x58}, 0x1, 0x0, 0x0, 0x40084}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r0)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x2c, r5, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0xc810}, 0x8000)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x30}}, 0x0)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000180), r0)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000280)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, r3, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x43}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}]}, 0x60}, 0x1, 0x0, 0x0, 0x4004}, 0x40000)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r1)

13:45:00 executing program 2:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_PPC_GET_PVINFO(r0, 0x4080aea1, &(0x7f0000000180)=""/71)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x6c, r3, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '(@*-\x8e\x9e@\''}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8b62}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xdcdb}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x6c, r3, 0x2, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xc, 0xa, '(@*-\x8e\x9e@\''}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8b62}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xdcdb}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000000}, 0x10) (async)

13:45:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async)
r3 = syz_open_dev$loop(&(0x7f0000000040), 0x9, 0x18001)
ioctl$LOOP_SET_STATUS64(r3, 0x4c04, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x8, 0x5, 0x0, 0x1, 0x1e, 0x14, "c560ef88daf40df0648a6e16f1576baa63212bf609f54eeafb982e3b85f91abb4349f777caabc7c4d4db21f8eb0f5c607c4f9d139d57c47aa4a975348acf56b8", "a229371c494032aa8d9379f37d9901ab74e84ea3aa398d8f72af5d775129913bcdede6d1fc5e388d8dd16b95e1c7505eda98fb401f32ca6d7d4e4f04d59ae6af", "69273dae476ec95f41ceea2508a9afbb1b733404773786d244c113d69b9cef00", [0xffffffffffff8001, 0xdb74]})

13:45:00 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r3, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r5=>0x0})
r6 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r6, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000540)=ANY=[@ANYBLOB="6400000000238e559cd648dcd4e19c7755c5a99195040100000000060001030000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000080018800400018024000e00000000000000000000000000000000000000000000000000000000000000000008002e00000000000a000200bbbbbbbbbbbb0000"], 0x60}}, 0x0)
r7 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r7, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r8=>0x0})
r9 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r9, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r8}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0)
r10 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r10, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r11=>0x0})
r12 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r12, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r11}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0)
bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000000c0)={0xffffffffffffffff, 0x58, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, <r13=>0x0}}, 0x10)
sendmsg$ETHTOOL_MSG_WOL_GET(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000200)={0x284, 0x0, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macsec0\x00'}]}, @HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x70, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vcan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x60, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r11}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_macvtap\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r13}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_team\x00'}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x284}, 0x1, 0x0, 0x0, 0x4}, 0x6)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$nl_route(r3, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0) (async)
socket$nl_route(0x10, 0x3, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000100)={'vxcan1\x00'}) (async)
socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$nl_route(r6, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000540)=ANY=[@ANYBLOB="6400000000238e559cd648dcd4e19c7755c5a99195040100000000060001030000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000080018800400018024000e00000000000000000000000000000000000000000000000000000000000000000008002e00000000000a000200bbbbbbbbbbbb0000"], 0x60}}, 0x0) (async)
socket$nl_route(0x10, 0x3, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r7, 0x8933, &(0x7f0000000100)={'vxcan1\x00'}) (async)
socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$nl_route(r9, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r8}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0) (async)
socket$nl_route(0x10, 0x3, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r10, 0x8933, &(0x7f0000000100)={'vxcan1\x00'}) (async)
socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$nl_route(r12, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r11}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0) (async)
bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000000c0)={0xffffffffffffffff, 0x58, &(0x7f0000000180)}, 0x10) (async)
sendmsg$ETHTOOL_MSG_WOL_GET(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000200)={0x284, 0x0, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macsec0\x00'}]}, @HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x70, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vcan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x60, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r11}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_macvtap\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r13}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_team\x00'}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x284}, 0x1, 0x0, 0x0, 0x4}, 0x6) (async)

13:45:00 executing program 2:
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:00 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r5, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x4004000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:00 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000100002000000000100dbff0700070000000000001c0100bb3d86010000e3ff07000800e0000002"], 0x38}}, 0x0)

13:45:00 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="c12529e9", @ANYRES16=r2, @ANYBLOB="000425bd700000000000010000000800070000000000080002000500000009000100bb3d86010000000014000500fe8000000000000000000000000000aa"], 0x44}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1602568b58a6274ceca73e9e60746ed2d6691800fe937f7cee5e5c0d47fee446ff5cc503979595f15991baa6c90974c28bab90f3d9b5d3ff520b74dcc1b1a2ea6a62cfa921fcf534fe5a6782b6964c800c8901c7a65dfbc857053f8511ceaeb4211936a301eb563b41861763cbee2ac78e89ca592eac56925a34b7d14181c7e9b0d0566613718ddf6c2720d7b06763576ea0721c07a02c34993f63b5ad1bf2f9f801e4d9edfbe5196e52f41e", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, r2, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x22}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '\'t\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x58}, 0x1, 0x0, 0x0, 0x40084}, 0x0) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r0)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x2c, r5, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0xc810}, 0x8000)

13:45:00 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$inet_tcp(0x2, 0x1, 0x0)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="200025bd7000fbdbdf2508000000080002000000000008000c000000000008000c2b0002000000080002000500000008000c0003fa0000080001006e6264"], 0x44}, 0x1, 0x0, 0x0, 0x8085}, 0x80)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:01 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000100002000000000100dbff0700070000000000001c0100bb3d86010000e3ff07000800e0000002"], 0x38}}, 0x0)

13:45:01 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r5, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x4004000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) (async)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r5, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x4004000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)

13:45:01 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:01 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000100002000000000100dbff0700070000000000001c0100bb3d86010000e3ff07000800e0000002"], 0x38}}, 0x0)

13:45:01 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r5, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x4004000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:01 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x54, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x14}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0x4004000}, 0x44880)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd27, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x20000004}, 0x4000000)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:01 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r5, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x4004000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) (async)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r5, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x4004000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)

13:45:01 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r3, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0) (async, rerun: 64)
r4 = socket$nl_route(0x10, 0x3, 0x0) (rerun: 64)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r5=>0x0}) (async)
r6 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r6, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000540)=ANY=[@ANYBLOB="6400000000238e559cd648dcd4e19c7755c5a99195040100000000060001030000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000080018800400018024000e00000000000000000000000000000000000000000000000000000000000000000008002e00000000000a000200bbbbbbbbbbbb0000"], 0x60}}, 0x0)
r7 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r7, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r8=>0x0}) (async, rerun: 64)
r9 = socket$nl_route(0x10, 0x3, 0x0) (rerun: 64)
sendmsg$nl_route(r9, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r8}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0)
r10 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r10, 0x8933, &(0x7f0000000100)={'vxcan1\x00', <r11=>0x0})
r12 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r12, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000005c0)=@newlink={0x60, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, r11}, [@IFLA_VF_PORTS={0x8, 0x18, 0x0, 0x1, [{0x4}]}, @IFLA_MAP={0x24}, @IFLA_TARGET_NETNSID={0x8}, @IFLA_BROADCAST={0xa, 0x2, @multicast}]}, 0x60}}, 0x0)
bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000000c0)={0xffffffffffffffff, 0x58, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, <r13=>0x0}}, 0x10)
sendmsg$ETHTOOL_MSG_WOL_GET(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000200)={0x284, 0x0, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@HEADER={0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'macsec0\x00'}]}, @HEADER={0x4c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_vlan\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x70, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bond0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'vcan0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r5}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_team\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_macvtap\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x60, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6tnl0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wlan0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r8}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r11}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x74, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_macvtap\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'tunl0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r13}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_to_team\x00'}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x284}, 0x1, 0x0, 0x0, 0x4}, 0x6)

13:45:01 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="c12529e9", @ANYRES16=r2, @ANYBLOB="000425bd700000000000010000000800070000000000080002000500000009000100bb3d86010000000014000500fe8000000000000000000000000000aa"], 0x44}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1602568b58a6274ceca73e9e60746ed2d6691800fe937f7cee5e5c0d47fee446ff5cc503979595f15991baa6c90974c28bab90f3d9b5d3ff520b74dcc1b1a2ea6a62cfa921fcf534fe5a6782b6964c800c8901c7a65dfbc857053f8511ceaeb4211936a301eb563b41861763cbee2ac78e89ca592eac56925a34b7d14181c7e9b0d0566613718ddf6c2720d7b06763576ea0721c07a02c34993f63b5ad1bf2f9f801e4d9edfbe5196e52f41e", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, r2, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x22}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '\'t\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x58}, 0x1, 0x0, 0x0, 0x40084}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r0)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x2c, r5, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0xc810}, 0x8000)

13:45:01 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:01 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x54, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x14}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0x4004000}, 0x44880)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd27, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x20000004}, 0x4000000)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x54, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x14}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0x4004000}, 0x44880) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd27, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x20000004}, 0x4000000) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)

13:45:01 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r5, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x4004000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:01 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:01 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r5, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x4004000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:01 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000540)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x44, r4, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x80}, 0x4004800)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x44, r5, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x12}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x6}]}, 0x44}, 0x1, 0x0, 0x0, 0x2000c084}, 0x4000)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x68, r7, 0x4, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24000010}, 0x4000000)

13:45:01 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x54, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x14}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0x4004000}, 0x44880)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd27, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x20000004}, 0x4000000) (async)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:01 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:01 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000540)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x44, r4, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x80}, 0x4004800)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x44, r5, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x12}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x6}]}, 0x44}, 0x1, 0x0, 0x0, 0x2000c084}, 0x4000)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x68, r7, 0x4, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24000010}, 0x4000000)

13:45:01 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x50}, 0x4c8c1)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB="30e3b9c990299591ca657715000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:45:01 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = socket(0x29, 0x800, 0x6)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r7, 0x0, 0x0)
r8 = socket(0x23, 0x800, 0xffff7fff)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x94, r2, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xcd}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x8c5}, 0x20000091)

13:45:01 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:01 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:01 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400102)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:01 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000540)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x44, r4, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x80}, 0x4004800) (async)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0x44, r5, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x12}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x6}]}, 0x44}, 0x1, 0x0, 0x0, 0x2000c084}, 0x4000) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000380)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x68, r7, 0x4, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x68}, 0x1, 0x0, 0x0, 0x24000010}, 0x4000000)

13:45:01 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x50}, 0x4c8c1) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB="30e3b9c990299591ca657715000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:45:01 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:01 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = socket(0x29, 0x800, 0x6) (async)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0) (async)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r7, 0x0, 0x0)
r8 = socket(0x23, 0x800, 0xffff7fff)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x94, r2, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xcd}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x8c5}, 0x20000091)

13:45:01 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async, rerun: 32)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r2, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x50}, 0x4c8c1) (async, rerun: 32)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)=ANY=[@ANYBLOB="30e3b9c990299591ca657715000000", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:45:01 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, 0x0, 0x8, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40800}, 0x810)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="380000003b8848a75b9c17600e4f5f7227e3b8c3611239d24152e8cae21f246ea931404f4e3a0bad4159f40fdd337ad9f29444862a88f98f32da701e79a2dcb336c81b0d4c049f52880f311bd9f357f3695aff6b61b73709739e21f846407713067afcca52a7d09f7e858bc31356376e0000000000000008a95d846632f4d584d84896051285ae742f1ed4732aa9a49227ec9b28c9091526f961de53fcfe0c25d5b5836662", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}, 0x1, 0x0, 0x0, 0x8080}, 0x0)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400102) (rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, 0x0, 0x8, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40800}, 0x810)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="380000003b8848a75b9c17600e4f5f7227e3b8c3611239d24152e8cae21f246ea931404f4e3a0bad4159f40fdd337ad9f29444862a88f98f32da701e79a2dcb336c81b0d4c049f52880f311bd9f357f3695aff6b61b73709739e21f846407713067afcca52a7d09f7e858bc31356376e0000000000000008a95d846632f4d584d84896051285ae742f1ed4732aa9a49227ec9b28c9091526f961de53fcfe0c25d5b5836662", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}, 0x1, 0x0, 0x0, 0x8080}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, 0x0, 0x8, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40800}, 0x810) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="380000003b8848a75b9c17600e4f5f7227e3b8c3611239d24152e8cae21f246ea931404f4e3a0bad4159f40fdd337ad9f29444862a88f98f32da701e79a2dcb336c81b0d4c049f52880f311bd9f357f3695aff6b61b73709739e21f846407713067afcca52a7d09f7e858bc31356376e0000000000000008a95d846632f4d584d84896051285ae742f1ed4732aa9a49227ec9b28c9091526f961de53fcfe0c25d5b5836662", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}, 0x1, 0x0, 0x0, 0x8080}, 0x0) (async)

13:45:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$inet_tcp(0x2, 0x1, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = socket(0x29, 0x800, 0x6) (async, rerun: 64)
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (rerun: 64)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0) (async)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r7, 0x0, 0x0) (async)
r8 = socket(0x23, 0x800, 0xffff7fff)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000240)={&(0x7f0000000040), 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x94, r2, 0x8, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xcd}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8, 0x1, r8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x94}, 0x1, 0x0, 0x0, 0x8c5}, 0x20000091)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400102) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:02 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
socket$inet_tcp(0x2, 0x1, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000ff000700000000000800020005001e0009000100bb3d86010000000008000800e000000215f698675ff7474489"], 0x38}}, 0x0)

13:45:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
socket$inet_tcp(0x2, 0x1, 0x0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:02 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x2800, 0x0)
ioctl$VFIO_CHECK_EXTENSION(r2, 0x3b65, 0x1)
r3 = socket(0x11, 0x5, 0x1ff)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000740)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000880)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000840)={&(0x7f0000000780)={0x90, 0x0, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x800)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x54, r1, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x801}, 0x8000)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r7, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000600)={&(0x7f0000000540)={0x8c, r1, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc800}, 0x80)
r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="08002abd7000ffdbdf25030000000c00021407000000000000000c00040001000000000000000c00060001000000000000000c000400ffffffff5bffff7f0c000400001000000000000008000a005a884a6f"], 0x58}, 0x1, 0x0, 0x0, 0x4000000}, 0x84)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
socket$inet_udplite(0x2, 0x2, 0x88)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000023}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="04002dbd7000f7dbdf25030000000c0002000600000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x4001}, 0x44000801)

13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x2c, 0x0, 0x8, 0x70bd28, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x401}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40800}, 0x810) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="380000003b8848a75b9c17600e4f5f7227e3b8c3611239d24152e8cae21f246ea931404f4e3a0bad4159f40fdd337ad9f29444862a88f98f32da701e79a2dcb336c81b0d4c049f52880f311bd9f357f3695aff6b61b73709739e21f846407713067afcca52a7d09f7e858bc31356376e0000000000000008a95d846632f4d584d84896051285ae742f1ed4732aa9a49227ec9b28c9091526f961de53fcfe0c25d5b5836662", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100bb3d86010000000008000800e0000002"], 0x38}, 0x1, 0x0, 0x0, 0x8080}, 0x0)

13:45:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x30}}, 0x0)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000ff000700000000000800020005001e0009000100bb3d86010000000008000800e000000215f698675ff7474489"], 0x38}}, 0x0)

13:45:02 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000200040007800c00020000000000000000000c0003000000000000000000326107684c6d6a5fb6f8fe31c9afff311ce32ba21fe9e4cd40ef4d7105cc2df8e7e371a0456b7f97b39968e78847d637c444d8934bd0c62b891d373395d871413daf1fe0ecdca921bb0e1b6999e9e35353556459c48cd67c53d46c7679b76c1732c9f47b558049732aba51a26fe4acf1db488e7864d00a3ae4d0ad3460fe909fc240e4be2bb0038c62882a9235f691b9015c27a2c4525c78e6a98a4b02b163b8bd4387d432a029afe9e9dce845b7fddcb37cf2486972a20b1f1536a995a1060ae27cb64c42798be185cc53dfba408766d85227a859cd521b5d11444e24840f4135702bffc2157ff1dabdd427c2fdf9837d9567c0cee9c230053e079e615f4df66c37df606dd10aaa86bfdb4e2d668141c07e"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x30}}, 0x0) (async)

[ 1651.872075] nla_parse: 78 callbacks suppressed
[ 1651.872081] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.5'.
13:45:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x2800, 0x0)
ioctl$VFIO_CHECK_EXTENSION(r2, 0x3b65, 0x1)
r3 = socket(0x11, 0x5, 0x1ff)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000740)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000880)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000840)={&(0x7f0000000780)={0x90, 0x0, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x800)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x54, r1, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x801}, 0x8000)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r7, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000600)={&(0x7f0000000540)={0x8c, r1, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc800}, 0x80)
r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="08002abd7000ffdbdf25030000000c00021407000000000000000c00040001000000000000000c00060001000000000000000c000400ffffffff5bffff7f0c000400001000000000000008000a005a884a6f"], 0x58}, 0x1, 0x0, 0x0, 0x4000000}, 0x84)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
socket$inet_udplite(0x2, 0x2, 0x88)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000023}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="04002dbd7000f7dbdf25030000000c0002000600000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x4001}, 0x44000801)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x2800, 0x0) (async)
ioctl$VFIO_CHECK_EXTENSION(r2, 0x3b65, 0x1) (async)
socket(0x11, 0x5, 0x1ff) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000740)) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r5, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r6, 0x0, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000880)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000840)={&(0x7f0000000780)={0x90, 0x0, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x800) (async)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x54, r1, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x801}, 0x8000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r7, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000600)={&(0x7f0000000540)={0x8c, r1, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc800}, 0x80) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="08002abd7000ffdbdf25030000000c00021407000000000000000c00040001000000000000000c00060001000000000000000c000400ffffffff5bffff7f0c000400001000000000000008000a005a884a6f"], 0x58}, 0x1, 0x0, 0x0, 0x4000000}, 0x84) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
socket$inet_udplite(0x2, 0x2, 0x88) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000023}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="04002dbd7000f7dbdf25030000000c0002000600000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x4001}, 0x44000801) (async)

13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x144240}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, 0x0, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}]}, 0x5c}, 0x1, 0x0, 0x0, 0x200080c1}, 0x1)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000ff000700000000000800020005001e0009000100bb3d86010000000008000800e000000215f698675ff7474489"], 0x38}}, 0x0)

13:45:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x144240}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, 0x0, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}]}, 0x5c}, 0x1, 0x0, 0x0, 0x200080c1}, 0x1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x144240}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, 0x0, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}]}, 0x5c}, 0x1, 0x0, 0x0, 0x200080c1}, 0x1) (async)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000008f893bc06d2062df2d35d37613b700010005000800070000000000060002000500000009000100bb3d9591f2358a0d523f307c9b2dc4829b15e2082e721245a3eb7dc5a562328cd9a117e193c7e657510b8806"], 0x38}}, 0x0)

13:45:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x30}}, 0x0) (async)

13:45:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 1652.035529] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.5'.
13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x144240}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, 0x0, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x101}]}, 0x5c}, 0x1, 0x0, 0x0, 0x200080c1}, 0x1)

13:45:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x2800, 0x0)
ioctl$VFIO_CHECK_EXTENSION(r2, 0x3b65, 0x1)
r3 = socket(0x11, 0x5, 0x1ff)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000740)={<r4=>0xffffffffffffffff})
r5 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r5, 0x0, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000880)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000840)={&(0x7f0000000780)={0x90, 0x0, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x800)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x54, r1, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x801}, 0x8000)
r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r7, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000600)={&(0x7f0000000540)={0x8c, r1, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc800}, 0x80)
r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="08002abd7000ffdbdf25030000000c00021407000000000000000c00040001000000000000000c00060001000000000000000c000400ffffffff5bffff7f0c000400001000000000000008000a005a884a6f"], 0x58}, 0x1, 0x0, 0x0, 0x4000000}, 0x84)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
socket$inet_udplite(0x2, 0x2, 0x88)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000023}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="04002dbd7000f7dbdf25030000000c0002000600000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x4001}, 0x44000801)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000000200), 0x2800, 0x0) (async)
ioctl$VFIO_CHECK_EXTENSION(r2, 0x3b65, 0x1) (async)
socket(0x11, 0x5, 0x1ff) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000740)) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r5, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r6, 0x0, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000880)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000840)={&(0x7f0000000780)={0x90, 0x0, 0x200, 0x70bd2b, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x200}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r2}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r3}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r5}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}]}, 0x90}, 0x1, 0x0, 0x0, 0x80}, 0x800) (async)
sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000480)={&(0x7f0000000400)={0x54, r1, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8, 0x1, r2}, {0x8, 0x1, r3}]}]}, 0x54}, 0x1, 0x0, 0x0, 0x801}, 0x8000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r7, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r7, &(0x7f0000000640)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000600)={&(0x7f0000000540)={0x8c, r1, 0x20, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80000001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc800}, 0x80) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r8, @ANYBLOB="08002abd7000ffdbdf25030000000c00021407000000000000000c00040001000000000000000c00060001000000000000000c000400ffffffff5bffff7f0c000400001000000000000008000a005a884a6f"], 0x58}, 0x1, 0x0, 0x0, 0x4000000}, 0x84) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
socket$inet_udplite(0x2, 0x2, 0x88) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000023}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="04002dbd7000f7dbdf25030000000c0002000600000000000000"], 0x20}, 0x1, 0x0, 0x0, 0x4001}, 0x44000801) (async)

13:45:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000008f893bc06d2062df2d35d37613b700010005000800070000000000060002000500000009000100bb3d9591f2358a0d523f307c9b2dc4829b15e2082e721245a3eb7dc5a562328cd9a117e193c7e657510b8806"], 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000008f893bc06d2062df2d35d37613b700010005000800070000000000060002000500000009000100bb3d9591f2358a0d523f307c9b2dc4829b15e2082e721245a3eb7dc5a562328cd9a117e193c7e657510b8806"], 0x38}}, 0x0) (async)

13:45:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="300000e15fa947d5a23e1f016d97c50000000000000000000000000000669f8cd73f3ef3467d5e2b94ca742328c151b4873378047779d7391a9018fb904bb1fb32684ffa8eacfaaa2a61e772e2aa6914487c254c48abf82a05ef762ed582fd41362b453555f5310a9d9f6f6f7c135863d9e83c12e9a29d0b2369dd35febf786ad20000000096554e3e4456064ce8ff338db3548ab5737ce4bd0759ca20170f077f8e8d43c862b305f96aa1977c", @ANYRES16=r2, @ANYBLOB="010000000000000000800100000000000000078f0300000000000000000000811980eb00000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x20004060}, 0x0)

13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="38020000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100b43d86010000000008000827dd84218b7c09000000000000002a16a4f334273e92ed6b5412571c4df930e9565ca02fdc82ed884d73911aaf7fa36be7a372e3b7a1258eadac21672790be458b3e058f8f6a7dc38de15f73fb055d242d473d9fe7f692332e5899e5582e1299ef417a823cefd83928a8ff4166237a39f13fd4638f010ea4fd6e1c514529eab8250cce31a3751ce0645d8b2b0546a915755ebd39a47d10ed0976f4b3fe8883df1af25914d1c7f1ea96b4b122a7a39e6f11a80f4a6a128a"], 0x38}}, 0x0)

13:45:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r5, 0x200, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x4c0a7185da103b9f}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4004}, 0x20048810)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, ']\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x20000001)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="300000e15fa947d5a23e1f016d97c50000000000000000000000000000669f8cd73f3ef3467d5e2b94ca742328c151b4873378047779d7391a9018fb904bb1fb32684ffa8eacfaaa2a61e772e2aa6914487c254c48abf82a05ef762ed582fd41362b453555f5310a9d9f6f6f7c135863d9e83c12e9a29d0b2369dd35febf786ad20000000096554e3e4456064ce8ff338db3548ab5737ce4bd0759ca20170f077f8e8d43c862b305f96aa1977c", @ANYRES16=r2, @ANYBLOB="010000000000000000800100000000000000078f0300000000000000000000811980eb00000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x20004060}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="300000e15fa947d5a23e1f016d97c50000000000000000000000000000669f8cd73f3ef3467d5e2b94ca742328c151b4873378047779d7391a9018fb904bb1fb32684ffa8eacfaaa2a61e772e2aa6914487c254c48abf82a05ef762ed582fd41362b453555f5310a9d9f6f6f7c135863d9e83c12e9a29d0b2369dd35febf786ad20000000096554e3e4456064ce8ff338db3548ab5737ce4bd0759ca20170f077f8e8d43c862b305f96aa1977c", @ANYRES16=r2, @ANYBLOB="010000000000000000800100000000000000078f0300000000000000000000811980eb00000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x20004060}, 0x0) (async)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='8\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000008f893bc06d2062df2d35d37613b700010005000800070000000000060002000500000009000100bb3d9591f2358a0d523f307c9b2dc4829b15e2082e721245a3eb7dc5a562328cd9a117e193c7e657510b8806"], 0x38}}, 0x0)

13:45:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r5, 0x200, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x4c0a7185da103b9f}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4004}, 0x20048810)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, ']\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x20000001)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r5, 0x200, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x4c0a7185da103b9f}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4004}, 0x20048810) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, ']\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x20000001) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)

13:45:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="38020000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100b43d86010000000008000827dd84218b7c09000000000000002a16a4f334273e92ed6b5412571c4df930e9565ca02fdc82ed884d73911aaf7fa36be7a372e3b7a1258eadac21672790be458b3e058f8f6a7dc38de15f73fb055d242d473d9fe7f692332e5899e5582e1299ef417a823cefd83928a8ff4166237a39f13fd4638f010ea4fd6e1c514529eab8250cce31a3751ce0645d8b2b0546a915755ebd39a47d10ed0976f4b3fe8883df1af25914d1c7f1ea96b4b122a7a39e6f11a80f4a6a128a"], 0x38}}, 0x0)

13:45:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="300000e15fa947d5a23e1f016d97c50000000000000000000000000000669f8cd73f3ef3467d5e2b94ca742328c151b4873378047779d7391a9018fb904bb1fb32684ffa8eacfaaa2a61e772e2aa6914487c254c48abf82a05ef762ed582fd41362b453555f5310a9d9f6f6f7c135863d9e83c12e9a29d0b2369dd35febf786ad20000000096554e3e4456064ce8ff338db3548ab5737ce4bd0759ca20170f077f8e8d43c862b305f96aa1977c", @ANYRES16=r2, @ANYBLOB="010000000000000000800100000000000000078f0300000000000000000000811980eb00000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x20004060}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="300000e15fa947d5a23e1f016d97c50000000000000000000000000000669f8cd73f3ef3467d5e2b94ca742328c151b4873378047779d7391a9018fb904bb1fb32684ffa8eacfaaa2a61e772e2aa6914487c254c48abf82a05ef762ed582fd41362b453555f5310a9d9f6f6f7c135863d9e83c12e9a29d0b2369dd35febf786ad20000000096554e3e4456064ce8ff338db3548ab5737ce4bd0759ca20170f077f8e8d43c862b305f96aa1977c", @ANYRES16=r2, @ANYBLOB="010000000000000000800100000000000000078f0300000000000000000000811980eb00000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x20004060}, 0x0) (async)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f00000004c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x68, 0x0, 0x300, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}]}, 0x68}, 0x1, 0x0, 0x0, 0x14000005}, 0x80)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042cbd7000fddbdf25050000007929b57d8411c8127d3c180008000800ac1414aa0800070064010100080007006401010214000600fe8000000000000000000000000000aa"], 0x4c}, 0x1, 0x0, 0x0, 0x80d1}, 0x4)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x20, 0x0, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100000001}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004044}, 0x14)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x38}}, 0x0)
ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c06, 0xffffffffffffffff)

13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="38020000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100b43d86010000000008000827dd84218b7c09000000000000002a16a4f334273e92ed6b5412571c4df930e9565ca02fdc82ed884d73911aaf7fa36be7a372e3b7a1258eadac21672790be458b3e058f8f6a7dc38de15f73fb055d242d473d9fe7f692332e5899e5582e1299ef417a823cefd83928a8ff4166237a39f13fd4638f010ea4fd6e1c514529eab8250cce31a3751ce0645d8b2b0546a915755ebd39a47d10ed0976f4b3fe8883df1af25914d1c7f1ea96b4b122a7a39e6f11a80f4a6a128a"], 0x38}}, 0x0)

13:45:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async, rerun: 64)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000300)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x2c, r5, 0x200, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x4c0a7185da103b9f}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4004}, 0x20048810) (async, rerun: 32)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, 0x0, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, ']\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x20000001) (rerun: 32)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f00000004c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x68, 0x0, 0x300, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}]}, 0x68}, 0x1, 0x0, 0x0, 0x14000005}, 0x80) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042cbd7000fddbdf25050000007929b57d8411c8127d3c180008000800ac1414aa0800070064010100080007006401010214000600fe8000000000000000000000000000aa"], 0x4c}, 0x1, 0x0, 0x0, 0x80d1}, 0x4) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x20, 0x0, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100000001}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004044}, 0x14) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x38}}, 0x0) (async)
ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c06, 0xffffffffffffffff)

13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x38}}, 0x0)

13:45:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'vxcan1\x00', <r3=>0x0})
sendmsg$ETHTOOL_MSG_CHANNELS_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, 0x0, 0x8, 0x70bd26, 0x9, {}, [@HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x20004800)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR(r4, 0x40046207, 0x0)

13:45:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x38}}, 0x0) (async)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f00000004c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0x68, 0x0, 0x300, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}]}, 0x68}, 0x1, 0x0, 0x0, 0x14000005}, 0x80) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042cbd7000fddbdf25050000007929b57d8411c8127d3c180008000800ac1414aa0800070064010100080007006401010214000600fe8000000000000000000000000000aa"], 0x4c}, 0x1, 0x0, 0x0, 0x80d1}, 0x4) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x20, 0x0, 0x4, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100000001}]}, 0x20}, 0x1, 0x0, 0x0, 0x20004044}, 0x14) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x38}}, 0x0) (async)
ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c06, 0xffffffffffffffff)

13:45:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x38}}, 0x0)

13:45:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:02 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'vxcan1\x00', <r3=>0x0})
sendmsg$ETHTOOL_MSG_CHANNELS_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, 0x0, 0x8, 0x70bd26, 0x9, {}, [@HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x20004800)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR(r4, 0x40046207, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'vxcan1\x00'}) (async)
sendmsg$ETHTOOL_MSG_CHANNELS_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, 0x0, 0x8, 0x70bd26, 0x9, {}, [@HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x20004800) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x802, 0x0) (async)
ioctl$BINDER_SET_CONTEXT_MGR(r4, 0x40046207, 0x0) (async)

13:45:02 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000300)={0x80, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0xfd}}]}, 0x80}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, 0x0, 0x700, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x7, 0x1, ')]\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010102}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0xc0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:02 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:02 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, 0x0, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ']'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf822}]}, 0x5c}, 0x1, 0x0, 0x0, 0x200000d0}, 0x14)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100000700000000000503000000083951a4a1000000080082000500000009950000bb3d86010000000008000800e00000020380b991ff792453b623a6aef8d27160874ef20f6b3c2e53614f7639e60d60b9aa86e2af8fc1c74ad03adc06940b0773fe17754e49104ab96355c235a3df63d80406481550006aae7679477c5c20583165b40b358b656b023441130016335397368131e70000000000"], 0x38}}, 0x4)

13:45:02 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'vxcan1\x00', <r3=>0x0})
sendmsg$ETHTOOL_MSG_CHANNELS_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, 0x0, 0x8, 0x70bd26, 0x9, {}, [@HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x20004800)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR(r4, 0x40046207, 0x0)

13:45:02 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'vxcan1\x00', <r3=>0x0})
sendmsg$ETHTOOL_MSG_CHANNELS_GET(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, 0x0, 0x8, 0x70bd26, 0x9, {}, [@HEADER={0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x20004800)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x802, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR(r4, 0x40046207, 0x0)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000300)={0x80, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0xfd}}]}, 0x80}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, 0x0, 0x700, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x7, 0x1, ')]\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010102}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0xc0)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000300)={0x80, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0xfd}}]}, 0x80}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, 0x0, 0x700, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x7, 0x1, ')]\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010102}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0xc0) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)

13:45:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, 0x0, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ']'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf822}]}, 0x5c}, 0x1, 0x0, 0x0, 0x200000d0}, 0x14)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100000700000000000503000000083951a4a1000000080082000500000009950000bb3d86010000000008000800e00000020380b991ff792453b623a6aef8d27160874ef20f6b3c2e53614f7639e60d60b9aa86e2af8fc1c74ad03adc06940b0773fe17754e49104ab96355c235a3df63d80406481550006aae7679477c5c20583165b40b358b656b023441130016335397368131e70000000000"], 0x38}}, 0x4)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, 0x0, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ']'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf822}]}, 0x5c}, 0x1, 0x0, 0x0, 0x200000d0}, 0x14) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100000700000000000503000000083951a4a1000000080082000500000009950000bb3d86010000000008000800e00000020380b991ff792453b623a6aef8d27160874ef20f6b3c2e53614f7639e60d60b9aa86e2af8fc1c74ad03adc06940b0773fe17754e49104ab96355c235a3df63d80406481550006aae7679477c5c20583165b40b358b656b023441130016335397368131e70000000000"], 0x38}}, 0x4) (async)

13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sched_getscheduler(0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, 0x0, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ']'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf822}]}, 0x5c}, 0x1, 0x0, 0x0, 0x200000d0}, 0x14)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100000700000000000503000000083951a4a1000000080082000500000009950000bb3d86010000000008000800e00000020380b991ff792453b623a6aef8d27160874ef20f6b3c2e53614f7639e60d60b9aa86e2af8fc1c74ad03adc06940b0773fe17754e49104ab96355c235a3df63d80406481550006aae7679477c5c20583165b40b358b656b023441130016335397368131e70000000000"], 0x38}}, 0x4)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x5c, 0x0, 0x300, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ']'}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, 'NLBL_MGMT\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf822}]}, 0x5c}, 0x1, 0x0, 0x0, 0x200000d0}, 0x14) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100000700000000000503000000083951a4a1000000080082000500000009950000bb3d86010000000008000800e00000020380b991ff792453b623a6aef8d27160874ef20f6b3c2e53614f7639e60d60b9aa86e2af8fc1c74ad03adc06940b0773fe17754e49104ab96355c235a3df63d80406481550006aae7679477c5c20583165b40b358b656b023441130016335397368131e70000000000"], 0x38}}, 0x4) (async)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000300)={0x80, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0xfd}}]}, 0x80}}, 0x0) (async, rerun: 64)
sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, 0x0, 0x700, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_DOMAIN={0x7, 0x1, ')]\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010102}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0xc0) (async, rerun: 64)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sched_getscheduler(0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x84, 0x0, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffe0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x25}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x8080}, 0x40985)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sched_getscheduler(0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)={0x34, r2, 0x400, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x24048045}, 0x0)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x84, 0x0, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffe0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x25}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x8080}, 0x40985) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)={0x34, r2, 0x400, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x24048045}, 0x0)

13:45:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x4, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r3=>0xffffffffffffffff})
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000180)={0x84, 0x0, 0x400, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffffffffffe0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x25}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}, {0x8}, {0x8}]}]}, 0x84}, 0x1, 0x0, 0x0, 0x8080}, 0x40985) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x4, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x4, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0) (async)

13:45:03 executing program 5:
write$tun(0xffffffffffffffff, &(0x7f0000000180)={@val, @void, @arp=@ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x4, @local, @private=0xffff, @empty, @initdev={0xac, 0x1e, 0x1, 0x0}}}, 0x20)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)=ANY=[@ANYBLOB="c35ba1f4", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x26}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8001}, 0x4044)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000300), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8101008}, 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0x4a4, r4, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@ETHTOOL_A_PRIVFLAGS_FLAGS={0x28c, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x4}, @ETHTOOL_A_BITSET_VALUE={0xf, 0x4, "d3f032bccb4af6e1003258"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xffff}, @ETHTOOL_A_BITSET_VALUE={0xcf, 0x4, "87ecdef5b05a3c06ecab6eeb038d08f449236e4660f75560b140df75bf6dcf761266382e2f15b1c78d4843a685ec0cd9eedcb63d7c9be19ae4f76edcc5cec8fdaaef0fe1b2b1a3cabde0549e89f96058664d795ea4a131fc2e7ec46992891120836cdd0c0cec7e3be3923fca135ce835e5f7437048439ec797714ab6631c11c609c65c6ebece81400d16fde96165f1584e72e0da3979536ca52df6b4445b2d67be61d009511cedee0545d1c4ced7b83bfcc0be9f19bada1cf5186b0a06ee7a2979f63a7259f60e798f034e"}, @ETHTOOL_A_BITSET_BITS={0x130, 0x3, 0x0, 0x1, [{0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xfffffffd}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffffff}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '\\!]\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, '\'{&${-)\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, '@^*&}+\x00'}]}, {0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x100}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, '#\x1e)/-\'\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xb4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x75}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}, @ETHTOOL_A_BITSET_VALUE={0x65, 0x4, "71e05c33d2d14af1589758f0da5bbc2a3993296381ed2ce89c919677e586a47482e1f1a9e09dbdfb54a48bef5bf693479564298dac1752aa8aba8e9fcdb3835000dd334bf64683dda17e0057b1f4a1a43e5997afb0b6e0f0efe2a4177a449de665"}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0x130, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_VALUE={0x85, 0x4, "16f51b4b2489178c4838d9c53e72683bd981bb2014e1dd8ee8dce95ae889798b5f8bea708ba1062984d96fbffdb2653244e6dc6be50255ce14727f8b9f1b8ff986cdf95240ed0eb5337629f8b8cdee5497071d0bfde70abd68dd95c9e65734ccb6a0ce1998f7d0a9a5ca8ec08101959b2d5826335c857aca9858318d2b50fda1ed"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x10, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x8c, 0x3, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xff}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x400}, @ETHTOOL_A_BITSET_BIT_NAME={0xf, 0x2, '\xb4^^&\'{@\xe6{\x8e\x00'}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xa75}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, ']\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}]}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0xd4, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0xc8, 0x3, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, ')\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '%\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x400}]}, {0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5fec}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, 'U\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8000}]}, {0x4}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}]}, 0x4a4}, 0x1, 0x0, 0x0, 0x4000000}, 0x24008080)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000009c0)=ANY=[@ANYBLOB="38000900197ac7ef2eb3f799f37238c5e9d9ccadfce463c00bd9b6ff0700008a95b9600e3506a7d0ca0ac832a4189b1409bf05b77201300541ca893c8b30b81911a45dcc842e52280bc9fafdeafcb61cb2b72d9e2518333cf9d2175d3b02802ae77ee671c0661f8795ad381c1b9ca92970f2", @ANYRES16=r3, @ANYBLOB="01001e00000000000000000800efc996a50000000000080000000009000100bb3d8601ef74795679000800e0000002000000"], 0x38}}, 0x0)

13:45:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)={0x34, r2, 0x400, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000000000000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}]}, 0x34}, 0x1, 0x0, 0x0, 0x24048045}, 0x0)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x5c, r2, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000)
sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x5c, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x1}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4001}, 0x4000)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

13:45:03 executing program 5:
write$tun(0xffffffffffffffff, &(0x7f0000000180)={@val, @void, @arp=@ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x4, @local, @private=0xffff, @empty, @initdev={0xac, 0x1e, 0x1, 0x0}}}, 0x20)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)=ANY=[@ANYBLOB="c35ba1f4", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x26}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8001}, 0x4044)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000300), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8101008}, 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0x4a4, r4, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@ETHTOOL_A_PRIVFLAGS_FLAGS={0x28c, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x4}, @ETHTOOL_A_BITSET_VALUE={0xf, 0x4, "d3f032bccb4af6e1003258"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xffff}, @ETHTOOL_A_BITSET_VALUE={0xcf, 0x4, "87ecdef5b05a3c06ecab6eeb038d08f449236e4660f75560b140df75bf6dcf761266382e2f15b1c78d4843a685ec0cd9eedcb63d7c9be19ae4f76edcc5cec8fdaaef0fe1b2b1a3cabde0549e89f96058664d795ea4a131fc2e7ec46992891120836cdd0c0cec7e3be3923fca135ce835e5f7437048439ec797714ab6631c11c609c65c6ebece81400d16fde96165f1584e72e0da3979536ca52df6b4445b2d67be61d009511cedee0545d1c4ced7b83bfcc0be9f19bada1cf5186b0a06ee7a2979f63a7259f60e798f034e"}, @ETHTOOL_A_BITSET_BITS={0x130, 0x3, 0x0, 0x1, [{0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xfffffffd}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffffff}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '\\!]\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, '\'{&${-)\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, '@^*&}+\x00'}]}, {0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x100}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, '#\x1e)/-\'\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xb4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x75}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}, @ETHTOOL_A_BITSET_VALUE={0x65, 0x4, "71e05c33d2d14af1589758f0da5bbc2a3993296381ed2ce89c919677e586a47482e1f1a9e09dbdfb54a48bef5bf693479564298dac1752aa8aba8e9fcdb3835000dd334bf64683dda17e0057b1f4a1a43e5997afb0b6e0f0efe2a4177a449de665"}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0x130, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_VALUE={0x85, 0x4, "16f51b4b2489178c4838d9c53e72683bd981bb2014e1dd8ee8dce95ae889798b5f8bea708ba1062984d96fbffdb2653244e6dc6be50255ce14727f8b9f1b8ff986cdf95240ed0eb5337629f8b8cdee5497071d0bfde70abd68dd95c9e65734ccb6a0ce1998f7d0a9a5ca8ec08101959b2d5826335c857aca9858318d2b50fda1ed"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x10, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x8c, 0x3, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xff}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x400}, @ETHTOOL_A_BITSET_BIT_NAME={0xf, 0x2, '\xb4^^&\'{@\xe6{\x8e\x00'}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xa75}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, ']\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}]}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0xd4, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0xc8, 0x3, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, ')\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '%\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x400}]}, {0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5fec}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, 'U\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8000}]}, {0x4}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}]}, 0x4a4}, 0x1, 0x0, 0x0, 0x4000000}, 0x24008080)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000009c0)=ANY=[@ANYBLOB="38000900197ac7ef2eb3f799f37238c5e9d9ccadfce463c00bd9b6ff0700008a95b9600e3506a7d0ca0ac832a4189b1409bf05b77201300541ca893c8b30b81911a45dcc842e52280bc9fafdeafcb61cb2b72d9e2518333cf9d2175d3b02802ae77ee671c0661f8795ad381c1b9ca92970f2", @ANYRES16=r3, @ANYBLOB="01001e00000000000000000800efc996a50000000000080000000009000100bb3d8601ef74795679000800e0000002000000"], 0x38}}, 0x0)
write$tun(0xffffffffffffffff, &(0x7f0000000180)={@val, @void, @arp=@ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x4, @local, @private=0xffff, @empty, @initdev={0xac, 0x1e, 0x1, 0x0}}}, 0x20) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)=ANY=[@ANYBLOB="c35ba1f4", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x26}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8001}, 0x4044) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
syz_genetlink_get_family_id$ethtool(&(0x7f0000000300), 0xffffffffffffffff) (async)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8101008}, 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0x4a4, r4, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@ETHTOOL_A_PRIVFLAGS_FLAGS={0x28c, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x4}, @ETHTOOL_A_BITSET_VALUE={0xf, 0x4, "d3f032bccb4af6e1003258"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xffff}, @ETHTOOL_A_BITSET_VALUE={0xcf, 0x4, "87ecdef5b05a3c06ecab6eeb038d08f449236e4660f75560b140df75bf6dcf761266382e2f15b1c78d4843a685ec0cd9eedcb63d7c9be19ae4f76edcc5cec8fdaaef0fe1b2b1a3cabde0549e89f96058664d795ea4a131fc2e7ec46992891120836cdd0c0cec7e3be3923fca135ce835e5f7437048439ec797714ab6631c11c609c65c6ebece81400d16fde96165f1584e72e0da3979536ca52df6b4445b2d67be61d009511cedee0545d1c4ced7b83bfcc0be9f19bada1cf5186b0a06ee7a2979f63a7259f60e798f034e"}, @ETHTOOL_A_BITSET_BITS={0x130, 0x3, 0x0, 0x1, [{0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xfffffffd}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffffff}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '\\!]\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, '\'{&${-)\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, '@^*&}+\x00'}]}, {0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x100}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, '#\x1e)/-\'\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xb4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x75}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}, @ETHTOOL_A_BITSET_VALUE={0x65, 0x4, "71e05c33d2d14af1589758f0da5bbc2a3993296381ed2ce89c919677e586a47482e1f1a9e09dbdfb54a48bef5bf693479564298dac1752aa8aba8e9fcdb3835000dd334bf64683dda17e0057b1f4a1a43e5997afb0b6e0f0efe2a4177a449de665"}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0x130, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_VALUE={0x85, 0x4, "16f51b4b2489178c4838d9c53e72683bd981bb2014e1dd8ee8dce95ae889798b5f8bea708ba1062984d96fbffdb2653244e6dc6be50255ce14727f8b9f1b8ff986cdf95240ed0eb5337629f8b8cdee5497071d0bfde70abd68dd95c9e65734ccb6a0ce1998f7d0a9a5ca8ec08101959b2d5826335c857aca9858318d2b50fda1ed"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x10, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x8c, 0x3, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xff}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x400}, @ETHTOOL_A_BITSET_BIT_NAME={0xf, 0x2, '\xb4^^&\'{@\xe6{\x8e\x00'}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xa75}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, ']\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}]}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0xd4, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0xc8, 0x3, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, ')\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '%\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x400}]}, {0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5fec}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, 'U\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8000}]}, {0x4}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}]}, 0x4a4}, 0x1, 0x0, 0x0, 0x4000000}, 0x24008080) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000009c0)=ANY=[@ANYBLOB="38000900197ac7ef2eb3f799f37238c5e9d9ccadfce463c00bd9b6ff0700008a95b9600e3506a7d0ca0ac832a4189b1409bf05b77201300541ca893c8b30b81911a45dcc842e52280bc9fafdeafcb61cb2b72d9e2518333cf9d2175d3b02802ae77ee671c0661f8795ad381c1b9ca92970f2", @ANYRES16=r3, @ANYBLOB="01001e00000000000000000800efc996a50000000000080000000009000100bb3d8601ef74795679000800e0000002000000"], 0x38}}, 0x0) (async)

13:45:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x4, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x5c, r2, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) (async)
sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x5c, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x1}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4001}, 0x4000)

13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1653.153152] nbd: must specify at least one socket
13:45:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 5:
write$tun(0xffffffffffffffff, &(0x7f0000000180)={@val, @void, @arp=@ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x4, @local, @private=0xffff, @empty, @initdev={0xac, 0x1e, 0x1, 0x0}}}, 0x20)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)=ANY=[@ANYBLOB="c35ba1f4", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x26}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8001}, 0x4044)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r4 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000300), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8101008}, 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0x4a4, r4, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@ETHTOOL_A_PRIVFLAGS_FLAGS={0x28c, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x4}, @ETHTOOL_A_BITSET_VALUE={0xf, 0x4, "d3f032bccb4af6e1003258"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xffff}, @ETHTOOL_A_BITSET_VALUE={0xcf, 0x4, "87ecdef5b05a3c06ecab6eeb038d08f449236e4660f75560b140df75bf6dcf761266382e2f15b1c78d4843a685ec0cd9eedcb63d7c9be19ae4f76edcc5cec8fdaaef0fe1b2b1a3cabde0549e89f96058664d795ea4a131fc2e7ec46992891120836cdd0c0cec7e3be3923fca135ce835e5f7437048439ec797714ab6631c11c609c65c6ebece81400d16fde96165f1584e72e0da3979536ca52df6b4445b2d67be61d009511cedee0545d1c4ced7b83bfcc0be9f19bada1cf5186b0a06ee7a2979f63a7259f60e798f034e"}, @ETHTOOL_A_BITSET_BITS={0x130, 0x3, 0x0, 0x1, [{0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xfffffffd}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffffff}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '\\!]\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, '\'{&${-)\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, '@^*&}+\x00'}]}, {0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x100}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, '#\x1e)/-\'\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xb4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x75}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}, @ETHTOOL_A_BITSET_VALUE={0x65, 0x4, "71e05c33d2d14af1589758f0da5bbc2a3993296381ed2ce89c919677e586a47482e1f1a9e09dbdfb54a48bef5bf693479564298dac1752aa8aba8e9fcdb3835000dd334bf64683dda17e0057b1f4a1a43e5997afb0b6e0f0efe2a4177a449de665"}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0x130, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_VALUE={0x85, 0x4, "16f51b4b2489178c4838d9c53e72683bd981bb2014e1dd8ee8dce95ae889798b5f8bea708ba1062984d96fbffdb2653244e6dc6be50255ce14727f8b9f1b8ff986cdf95240ed0eb5337629f8b8cdee5497071d0bfde70abd68dd95c9e65734ccb6a0ce1998f7d0a9a5ca8ec08101959b2d5826335c857aca9858318d2b50fda1ed"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x10, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x8c, 0x3, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xff}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x400}, @ETHTOOL_A_BITSET_BIT_NAME={0xf, 0x2, '\xb4^^&\'{@\xe6{\x8e\x00'}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xa75}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, ']\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}]}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0xd4, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0xc8, 0x3, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, ')\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '%\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x400}]}, {0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5fec}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, 'U\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8000}]}, {0x4}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}]}, 0x4a4}, 0x1, 0x0, 0x0, 0x4000000}, 0x24008080)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000009c0)=ANY=[@ANYBLOB="38000900197ac7ef2eb3f799f37238c5e9d9ccadfce463c00bd9b6ff0700008a95b9600e3506a7d0ca0ac832a4189b1409bf05b77201300541ca893c8b30b81911a45dcc842e52280bc9fafdeafcb61cb2b72d9e2518333cf9d2175d3b02802ae77ee671c0661f8795ad381c1b9ca92970f2", @ANYRES16=r3, @ANYBLOB="01001e00000000000000000800efc996a50000000000080000000009000100bb3d8601ef74795679000800e0000002000000"], 0x38}}, 0x0)
write$tun(0xffffffffffffffff, &(0x7f0000000180)={@val, @void, @arp=@ether_ipv4={0x1, 0x800, 0x6, 0x4, 0x4, @local, @private=0xffff, @empty, @initdev={0xac, 0x1e, 0x1, 0x0}}}, 0x20) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)=ANY=[@ANYBLOB="c35ba1f4", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x26}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x38}, 0x1, 0x0, 0x0, 0x8001}, 0x4044) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1) (async)
syz_genetlink_get_family_id$ethtool(&(0x7f0000000300), 0xffffffffffffffff) (async)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8101008}, 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0x4a4, r4, 0x200, 0x70bd2d, 0x25dfdbff, {}, [@ETHTOOL_A_PRIVFLAGS_FLAGS={0x28c, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0x4}, @ETHTOOL_A_BITSET_VALUE={0xf, 0x4, "d3f032bccb4af6e1003258"}, @ETHTOOL_A_BITSET_SIZE={0x8, 0x2, 0xffff}, @ETHTOOL_A_BITSET_VALUE={0xcf, 0x4, "87ecdef5b05a3c06ecab6eeb038d08f449236e4660f75560b140df75bf6dcf761266382e2f15b1c78d4843a685ec0cd9eedcb63d7c9be19ae4f76edcc5cec8fdaaef0fe1b2b1a3cabde0549e89f96058664d795ea4a131fc2e7ec46992891120836cdd0c0cec7e3be3923fca135ce835e5f7437048439ec797714ab6631c11c609c65c6ebece81400d16fde96165f1584e72e0da3979536ca52df6b4445b2d67be61d009511cedee0545d1c4ced7b83bfcc0be9f19bada1cf5186b0a06ee7a2979f63a7259f60e798f034e"}, @ETHTOOL_A_BITSET_BITS={0x130, 0x3, 0x0, 0x1, [{0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xfffffffd}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xffffffff}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '\\!]\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, '\'{&${-)\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}]}, {0x14, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, '@^*&}+\x00'}]}, {0x54, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x100}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, '#\x1e)/-\'\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xb4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x75}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}, @ETHTOOL_A_BITSET_VALUE={0x65, 0x4, "71e05c33d2d14af1589758f0da5bbc2a3993296381ed2ce89c919677e586a47482e1f1a9e09dbdfb54a48bef5bf693479564298dac1752aa8aba8e9fcdb3835000dd334bf64683dda17e0057b1f4a1a43e5997afb0b6e0f0efe2a4177a449de665"}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0x130, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_VALUE={0x85, 0x4, "16f51b4b2489178c4838d9c53e72683bd981bb2014e1dd8ee8dce95ae889798b5f8bea708ba1062984d96fbffdb2653244e6dc6be50255ce14727f8b9f1b8ff986cdf95240ed0eb5337629f8b8cdee5497071d0bfde70abd68dd95c9e65734ccb6a0ce1998f7d0a9a5ca8ec08101959b2d5826335c857aca9858318d2b50fda1ed"}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0x10, 0x3, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x8c, 0x3, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xff}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x400}, @ETHTOOL_A_BITSET_BIT_NAME={0xf, 0x2, '\xb4^^&\'{@\xe6{\x8e\x00'}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0xa75}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, ']\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}]}]}]}, @ETHTOOL_A_PRIVFLAGS_FLAGS={0xd4, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_BITS={0xc8, 0x3, 0x0, 0x1, [{0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, ')\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '%\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x1}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x6}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7f}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x400}]}, {0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x80}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x5fec}, @ETHTOOL_A_BITSET_BIT_NAME={0xe, 0x2, 'NLBL_MGMT\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x2}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x7}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, 'U\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8, 0x1, 0x8000}]}, {0x4}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}]}, 0x4a4}, 0x1, 0x0, 0x0, 0x4000000}, 0x24008080) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000009c0)=ANY=[@ANYBLOB="38000900197ac7ef2eb3f799f37238c5e9d9ccadfce463c00bd9b6ff0700008a95b9600e3506a7d0ca0ac832a4189b1409bf05b77201300541ca893c8b30b81911a45dcc842e52280bc9fafdeafcb61cb2b72d9e2518333cf9d2175d3b02802ae77ee671c0661f8795ad381c1b9ca92970f2", @ANYRES16=r3, @ANYBLOB="01001e00000000000000000800efc996a50000000000080000000009000100bb3d8601ef74795679000800e0000002000000"], 0x38}}, 0x0) (async)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x5c, r2, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000)
sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x5c, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x1}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4001}, 0x4000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x5c, r2, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) (async)
sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x5c, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x1}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4001}, 0x4000) (async)

[ 1653.223652] nbd: must specify at least one socket
13:45:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x90, 0x0, 0x8, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x90}, 0x1, 0x0, 0x0, 0x10}, 0xc000)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x90, 0x0, 0x8, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x90}, 0x1, 0x0, 0x0, 0x10}, 0xc000) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1653.330240] nbd: must specify at least one socket
13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x50, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x50}}, 0x0)

13:45:03 executing program 1:
ioctl$IMDELTIMER(0xffffffffffffffff, 0x80044941, &(0x7f0000000240)=0x3)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r2, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4080)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r1, 0x1}, 0x14}}, 0x0)

13:45:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x48, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}]}, 0x48}}, 0x0)

13:45:03 executing program 1:
ioctl$IMDELTIMER(0xffffffffffffffff, 0x80044941, &(0x7f0000000240)=0x3)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r2, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4080)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r1, 0x1}, 0x14}}, 0x0)
ioctl$IMDELTIMER(0xffffffffffffffff, 0x80044941, &(0x7f0000000240)=0x3) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) (async)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r2, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4080) (async)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x90, 0x0, 0x8, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x90}, 0x1, 0x0, 0x0, 0x10}, 0xc000) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:03 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1653.420424] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1653.438773] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1653.448439] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1653.457202] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
13:45:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, r3, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0xc891)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)

13:45:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 1:
ioctl$IMDELTIMER(0xffffffffffffffff, 0x80044941, &(0x7f0000000240)=0x3)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r2, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4080)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r1, 0x1}, 0x14}}, 0x0)
ioctl$IMDELTIMER(0xffffffffffffffff, 0x80044941, &(0x7f0000000240)=0x3) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) (async)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r2, 0x300, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}]}, 0x1c}, 0x1, 0x0, 0x0, 0x80}, 0x4080) (async)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r1, 0x1}, 0x14}}, 0x0) (async)

13:45:03 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:03 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:03 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, r3, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0xc891)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)

[ 1653.532616] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1653.558932] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1653.568505] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
13:45:03 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x40, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0)

13:45:03 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:03 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, r3, 0x400, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0xc891)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)

13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0)

13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, r2, 0x20, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xfffffffffffffffc}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x4041}, 0x20000000)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

[ 1653.662362] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x5c, r2, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xb}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000000}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffffffa}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000)
sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x5c, 0x0, 0x4, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x1}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4001}, 0x4000)

13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, r2, 0x20, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xfffffffffffffffc}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x4041}, 0x20000000)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, r2, 0x20, 0x70bd29, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xfffffffffffffffc}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x4041}, 0x20000000) (async, rerun: 32)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000400)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, 0x0, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x4000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x50, 0x0, 0x10, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '/'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x40000)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB="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", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

[ 1653.904333] nbd: must specify a size in bytes for the device
13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000400)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, 0x0, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x4000)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x50, 0x0, 0x10, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '/'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x40000) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB="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", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000400)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x20, 0x0, 0x100, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x22}]}, 0x20}, 0x1, 0x0, 0x0, 0x40000}, 0x4000) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x50, 0x0, 0x10, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '/'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x40000) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000002c0)=ANY=[@ANYBLOB="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", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)

13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1654.016166] nbd: must specify a size in bytes for the device
13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1654.101421] nbd: must specify a size in bytes for the device
13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="30000100", @ANYRES16=r1, @ANYBLOB="040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)

13:45:04 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:04 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="30000100", @ANYRES16=r1, @ANYBLOB="040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)

13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="30000100", @ANYRES16=r1, @ANYBLOB="040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="30000100", @ANYRES16=r1, @ANYBLOB="040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0) (async)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
ioctl$VFIO_IOMMU_UNMAP_DMA(0xffffffffffffffff, 0x3b72, &(0x7f0000000180)={0xe9, 0x3, 0xffffffff, 0x7, "3024eda5aa556c9933e467409bc6eff3ec4a72e96a838426bb90e3da6d44a0d77cc1735d2c7bf62665d9841179613c3060cdf12e59d7aa6f990f316a27bbfdc514503675f48f08cf45c56401fb12452241832f0b753fda13a8a5161bbc16e5c32eb9e3fa83b37bfa1eda343f95a5d998c320ed570d3fc1d06d071770e48dd3165f8a86eb81f1d32e35bc3cf7e1878160bd497515852b563c7c4c1071e1dcc02c57972a6f84c10dcfb7cd18017b10617ced107992469de9df5d102df31899152447447344fb38d155bc7e905f6a08512533"})

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:04 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
ioctl$VFIO_IOMMU_UNMAP_DMA(0xffffffffffffffff, 0x3b72, &(0x7f0000000180)={0xe9, 0x3, 0xffffffff, 0x7, "3024eda5aa556c9933e467409bc6eff3ec4a72e96a838426bb90e3da6d44a0d77cc1735d2c7bf62665d9841179613c3060cdf12e59d7aa6f990f316a27bbfdc514503675f48f08cf45c56401fb12452241832f0b753fda13a8a5161bbc16e5c32eb9e3fa83b37bfa1eda343f95a5d998c320ed570d3fc1d06d071770e48dd3165f8a86eb81f1d32e35bc3cf7e1878160bd497515852b563c7c4c1071e1dcc02c57972a6f84c10dcfb7cd18017b10617ced107992469de9df5d102df31899152447447344fb38d155bc7e905f6a08512533"})

13:45:04 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:04 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:04 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:04 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:04 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
ioctl$VFIO_IOMMU_UNMAP_DMA(0xffffffffffffffff, 0x3b72, &(0x7f0000000180)={0xe9, 0x3, 0xffffffff, 0x7, "3024eda5aa556c9933e467409bc6eff3ec4a72e96a838426bb90e3da6d44a0d77cc1735d2c7bf62665d9841179613c3060cdf12e59d7aa6f990f316a27bbfdc514503675f48f08cf45c56401fb12452241832f0b753fda13a8a5161bbc16e5c32eb9e3fa83b37bfa1eda343f95a5d998c320ed570d3fc1d06d071770e48dd3165f8a86eb81f1d32e35bc3cf7e1878160bd497515852b563c7c4c1071e1dcc02c57972a6f84c10dcfb7cd18017b10617ced107992469de9df5d102df31899152447447344fb38d155bc7e905f6a08512533"})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
ioctl$VFIO_IOMMU_UNMAP_DMA(0xffffffffffffffff, 0x3b72, &(0x7f0000000180)={0xe9, 0x3, 0xffffffff, 0x7, "3024eda5aa556c9933e467409bc6eff3ec4a72e96a838426bb90e3da6d44a0d77cc1735d2c7bf62665d9841179613c3060cdf12e59d7aa6f990f316a27bbfdc514503675f48f08cf45c56401fb12452241832f0b753fda13a8a5161bbc16e5c32eb9e3fa83b37bfa1eda343f95a5d998c320ed570d3fc1d06d071770e48dd3165f8a86eb81f1d32e35bc3cf7e1878160bd497515852b563c7c4c1071e1dcc02c57972a6f84c10dcfb7cd18017b10617ced107992469de9df5d102df31899152447447344fb38d155bc7e905f6a08512533"}) (async)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:05 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:05 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="38020000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000800070000000000080002000500000009000100b43d86010000000008000827dd84218b7c09000000000000002a16a4f334273e92ed6b5412571c4df930e9565ca02fdc82ed884d73911aaf7fa36be7a372e3b7a1258eadac21672790be458b3e058f8f6a7dc38de15f73fb055d242d473d9fe7f692332e5899e5582e1299ef417a823cefd83928a8ff4166237a39f13fd4638f010ea4fd6e1c514529eab8250cce31a3751ce0645d8b2b0546a915755ebd39a47d10ed0976f4b3fe8883df1af25914d1c7f1ea96b4b122a7a39e6f11a80f4a6a128a"], 0x38}}, 0x0)

13:45:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r2, 0x1}, 0x14}}, 0x0)

13:45:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

[ 1654.842160] nbd: must specify at least one socket
13:45:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r2, 0x1}, 0x14}}, 0x0)

13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r2, 0x1}, 0x14}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x14, r2, 0x1}, 0x14}}, 0x0) (async)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

[ 1654.980068] nbd: must specify at least one socket
13:45:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, 0x0, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}]}, 0x28}, 0x1, 0x0, 0x0, 0x84}, 0x20008085)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)

13:45:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

[ 1655.047868] nbd: must specify at least one socket
[ 1655.053961] nbd: must specify a size in bytes for the device
13:45:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async, rerun: 64)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, 0x0, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}]}, 0x28}, 0x1, 0x0, 0x0, 0x84}, 0x20008085) (rerun: 64)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)

13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

[ 1655.199740] nbd: must specify a size in bytes for the device
13:45:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, 0x0, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}]}, 0x28}, 0x1, 0x0, 0x0, 0x84}, 0x20008085)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x28, 0x0, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}]}, 0x28}, 0x1, 0x0, 0x0, 0x84}, 0x20008085) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0) (async)

13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1655.287007] nbd: must specify a size in bytes for the device
13:45:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c02020000000000000000000c0003000700000000000000ae3bb54e08e22679de9213226bd54c9185a8e13f76c1e965fac1d1239f5addad431408dfa4cb4314e514dddee182eb5ba86035c3eb86267f3891c683ccfa5d37b8e58f3d1553eb36d79b72f2011f3b6bd75376b196f8d0201e476d99e30542e4e38c200f7eb5680a597ca248acb92d8fb1320225746e86ac9c37b9f9e62dbf885c4416306be20097377c6e7d7a87fa1ea5"], 0x30}}, 0x0)

13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

[ 1655.424870] nbd: must specify at least one socket
13:45:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:05 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c02020000000000000000000c0003000700000000000000ae3bb54e08e22679de9213226bd54c9185a8e13f76c1e965fac1d1239f5addad431408dfa4cb4314e514dddee182eb5ba86035c3eb86267f3891c683ccfa5d37b8e58f3d1553eb36d79b72f2011f3b6bd75376b196f8d0201e476d99e30542e4e38c200f7eb5680a597ca248acb92d8fb1320225746e86ac9c37b9f9e62dbf885c4416306be20097377c6e7d7a87fa1ea5"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c02020000000000000000000c0003000700000000000000ae3bb54e08e22679de9213226bd54c9185a8e13f76c1e965fac1d1239f5addad431408dfa4cb4314e514dddee182eb5ba86035c3eb86267f3891c683ccfa5d37b8e58f3d1553eb36d79b72f2011f3b6bd75376b196f8d0201e476d99e30542e4e38c200f7eb5680a597ca248acb92d8fb1320225746e86ac9c37b9f9e62dbf885c4416306be20097377c6e7d7a87fa1ea5"], 0x30}}, 0x0) (async)

[ 1655.462573] nbd: must specify a size in bytes for the device
13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:05 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:05 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:05 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:05 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c02020000000000000000000c0003000700000000000000ae3bb54e08e22679de9213226bd54c9185a8e13f76c1e965fac1d1239f5addad431408dfa4cb4314e514dddee182eb5ba86035c3eb86267f3891c683ccfa5d37b8e58f3d1553eb36d79b72f2011f3b6bd75376b196f8d0201e476d99e30542e4e38c200f7eb5680a597ca248acb92d8fb1320225746e86ac9c37b9f9e62dbf885c4416306be20097377c6e7d7a87fa1ea5"], 0x30}}, 0x0)

[ 1655.561838] nbd: must specify a size in bytes for the device
[ 1655.570815] nbd: must specify at least one socket
[ 1655.594849] nbd: must specify a size in bytes for the device
13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

[ 1655.645548] nbd: must specify at least one socket
13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:06 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

[ 1655.692164] nbd: must specify a size in bytes for the device
13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:06 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

13:45:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:06 executing program 3:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

13:45:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

[ 1655.937047] nbd: must specify a size in bytes for the device
13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0)

13:45:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r2=>0xffffffffffffffff})
epoll_create1(0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)={0x38, r1, 0x1, 0x40, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x38}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x44, 0x0, 0x800, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010102}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '--\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x801)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(r4, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x30, 0x0, 0x100, 0x70bd29, 0x25dfdbfb, {}, [@ETHTOOL_A_PRIVFLAGS_HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r5)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r6, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r6, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @local}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}]}, 0x40}, 0x1, 0x0, 0x0, 0x8080}, 0x4000)

13:45:06 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

[ 1656.006137] nbd: must specify a size in bytes for the device
13:45:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

13:45:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0)

[ 1656.049795] nbd: must specify a size in bytes for the device
13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r2=>0xffffffffffffffff})
epoll_create1(0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)={0x38, r1, 0x1, 0x40, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x38}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x44, 0x0, 0x800, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010102}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '--\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x801) (async)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(r4, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x30, 0x0, 0x100, 0x70bd29, 0x25dfdbfb, {}, [@ETHTOOL_A_PRIVFLAGS_HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) (async)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r5)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r6, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r6, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @local}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}]}, 0x40}, 0x1, 0x0, 0x0, 0x8080}, 0x4000)

13:45:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r2=>0xffffffffffffffff})
epoll_create1(0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)={0x38, r1, 0x1, 0x40, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x38}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x44, 0x0, 0x800, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010102}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '--\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40}, 0x801)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
sendmsg$ETHTOOL_MSG_PRIVFLAGS_SET(r4, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x30, 0x0, 0x100, 0x70bd29, 0x25dfdbfb, {}, [@ETHTOOL_A_PRIVFLAGS_HEADER={0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000000}, 0x8000) (async)
r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r5)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r6, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r6, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @local}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}]}, 0x40}, 0x1, 0x0, 0x0, 0x8080}, 0x4000)

[ 1656.096420] nbd: must specify a size in bytes for the device
[ 1656.118813] nbd: must specify a size in bytes for the device
13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x18, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x0)

13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

[ 1656.178187] nbd: must specify a size in bytes for the device
[ 1656.200558] nbd: must specify at least one socket
13:45:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r2, 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r2, 0x4c09, 0xfff)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="309f0000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)

13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x0)

[ 1656.242286] nbd: must specify a size in bytes for the device
13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r2, 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r2, 0x4c09, 0xfff)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="309f0000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r2, 0x0, 0x0) (async)
ioctl$LOOP_SET_BLOCK_SIZE(r2, 0x4c09, 0xfff) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="309f0000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0) (async)

[ 1656.321845] nbd: must specify at least one socket
13:45:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x0)

13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1656.344063] nbd: must specify at least one socket
13:45:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x20, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x0)

13:45:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r2, 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r2, 0x4c09, 0xfff)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="309f0000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)

13:45:06 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r2, 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r2, 0x4c09, 0xfff)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="309f0000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r2, 0x0, 0x0) (async)
ioctl$LOOP_SET_BLOCK_SIZE(r2, 0x4c09, 0xfff) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="309f0000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0) (async)

[ 1656.417582] nbd: must specify at least one socket
[ 1656.423894] nbd: must specify at least one socket
13:45:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1656.509211] nbd: must specify at least one socket
13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:06 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:06 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c02020000000000000000000c0003000700000000000000ae3bb54e08e22679de9213226bd54c9185a8e13f76c1e965fac1d1239f5addad431408dfa4cb4314e514dddee182eb5ba86035c3eb86267f3891c683ccfa5d37b8e58f3d1553eb36d79b72f2011f3b6bd75376b196f8d0201e476d99e30542e4e38c200f7eb5680a597ca248acb92d8fb1320225746e86ac9c37b9f9e62dbf885c4416306be20097377c6e7d7a87fa1ea5"], 0x30}}, 0x0)

13:45:06 executing program 3:
connect$pppoe(0xffffffffffffffff, &(0x7f0000000040)={0x18, 0x0, {0x4, @remote, 'bond0\x00'}}, 0x1e)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:07 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

[ 1656.681064] nbd: must specify a size in bytes for the device
13:45:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 3:
connect$pppoe(0xffffffffffffffff, &(0x7f0000000040)={0x18, 0x0, {0x4, @remote, 'bond0\x00'}}, 0x1e)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:07 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 4:
connect$pppoe(0xffffffffffffffff, &(0x7f0000000040)={0x18, 0x0, {0x4, @remote, 'bond0\x00'}}, 0x1e)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 3:
connect$pppoe(0xffffffffffffffff, &(0x7f0000000040)={0x18, 0x0, {0x4, @remote, 'bond0\x00'}}, 0x1e)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:07 executing program 2:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x50, r3, 0x0, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @loopback}}, @NLBL_MGMT_A_DOMAIN={0x10, 0x1, '[{.(]%%\xa1!%*\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000012}, 0x40)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000540)=ANY=[@ANYBLOB="1400000012df53e173c512a00cca2ea1607606970c4bd0d755fdbd451aa46b824f9e90a6a4b3b023491c22fbefc345ed47d8ba8613b5e7dd300e52fe35501aaef249f28ce8ddab8a1ece", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_ADD(r6, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x50, r7, 0x800, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x23}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0xb}}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x5}, 0x4000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_LISTDEF(r8, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, r9, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)

13:45:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x50, r3, 0x0, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @loopback}}, @NLBL_MGMT_A_DOMAIN={0x10, 0x1, '[{.(]%%\xa1!%*\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000012}, 0x40)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000540)=ANY=[@ANYBLOB="1400000012df53e173c512a00cca2ea1607606970c4bd0d755fdbd451aa46b824f9e90a6a4b3b023491c22fbefc345ed47d8ba8613b5e7dd300e52fe35501aaef249f28ce8ddab8a1ece", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0) (async)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_ADD(r6, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x50, r7, 0x800, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x23}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0xb}}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x5}, 0x4000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r9 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_LISTDEF(r8, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, r9, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)

13:45:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x50, r3, 0x0, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @loopback}}, @NLBL_MGMT_A_DOMAIN={0x10, 0x1, '[{.(]%%\xa1!%*\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000012}, 0x40)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000540)=ANY=[@ANYBLOB="1400000012df53e173c512a00cca2ea1607606970c4bd0d755fdbd451aa46b824f9e90a6a4b3b023491c22fbefc345ed47d8ba8613b5e7dd300e52fe35501aaef249f28ce8ddab8a1ece", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_ADD(r6, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x50, r7, 0x800, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x23}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0xb}}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x5}, 0x4000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_LISTDEF(r8, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, r9, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)

13:45:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x50, r3, 0x0, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @loopback}}, @NLBL_MGMT_A_DOMAIN={0x10, 0x1, '[{.(]%%\xa1!%*\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000012}, 0x40)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000540)=ANY=[@ANYBLOB="1400000012df53e173c512a00cca2ea1607606970c4bd0d755fdbd451aa46b824f9e90a6a4b3b023491c22fbefc345ed47d8ba8613b5e7dd300e52fe35501aaef249f28ce8ddab8a1ece", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_ADD(r6, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x50, r7, 0x800, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x23}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0xb}}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x5}, 0x4000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_LISTDEF(r8, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, r9, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x50, r3, 0x0, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @loopback}}, @NLBL_MGMT_A_DOMAIN={0x10, 0x1, '[{.(]%%\xa1!%*\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000012}, 0x40) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000540)=ANY=[@ANYBLOB="1400000012df53e173c512a00cca2ea1607606970c4bd0d755fdbd451aa46b824f9e90a6a4b3b023491c22fbefc345ed47d8ba8613b5e7dd300e52fe35501aaef249f28ce8ddab8a1ece", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), 0xffffffffffffffff) (async)
sendmsg$NLBL_MGMT_C_ADD(r6, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x50, r7, 0x800, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x23}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0xb}}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x5}, 0x4000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), 0xffffffffffffffff) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r8, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, r9, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) (async)

13:45:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

13:45:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x50, r3, 0x0, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @loopback}}, @NLBL_MGMT_A_DOMAIN={0x10, 0x1, '[{.(]%%\xa1!%*\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000012}, 0x40)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000540)=ANY=[@ANYBLOB="1400000012df53e173c512a00cca2ea1607606970c4bd0d755fdbd451aa46b824f9e90a6a4b3b023491c22fbefc345ed47d8ba8613b5e7dd300e52fe35501aaef249f28ce8ddab8a1ece", @ANYRES16=0x0, @ANYBLOB="0000000000000000000003000000"], 0x14}}, 0x0)
r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_ADD(r6, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x50, r7, 0x800, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x23}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0xb}}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x50}, 0x1, 0x0, 0x0, 0x5}, 0x4000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r9 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_LISTDEF(r8, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x48, r9, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x4000000)

13:45:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400040}, 0xc, &(0x7f0000000180)={&(0x7f0000000240)={0x74, r2, 0x300, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x61}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'Q$'}]}, 0x74}, 0x1, 0x0, 0x0, 0x4008001}, 0x40)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

[ 1657.474995] nbd: must specify at least one socket
13:45:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:07 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400040}, 0xc, &(0x7f0000000180)={&(0x7f0000000240)={0x74, r2, 0x300, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x61}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'Q$'}]}, 0x74}, 0x1, 0x0, 0x0, 0x4008001}, 0x40)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:07 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:07 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0)

13:45:07 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1657.561902] nbd: must specify at least one socket
13:45:07 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:07 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400040}, 0xc, &(0x7f0000000180)={&(0x7f0000000240)={0x74, r2, 0x300, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xb8}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x61}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'Q$'}]}, 0x74}, 0x1, 0x0, 0x0, 0x4008001}, 0x40)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1657.664190] nbd: must specify at least one socket
13:45:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="30000000206153cbc5443a233bc2cf696771ab0c5be59829fd9752ab5af792e9daa749b551f746a331631a7485d1ea77af8c20d18dec09581a48e78ff81ddd4b3be362de82ae94857179ca139c32f202bb46b335649bf2db038aab437c600f96", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

13:45:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="30000000206153cbc5443a233bc2cf696771ab0c5be59829fd9752ab5af792e9daa749b551f746a331631a7485d1ea77af8c20d18dec09581a48e78ff81ddd4b3be362de82ae94857179ca139c32f202bb46b335649bf2db038aab437c600f96", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

13:45:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

[ 1657.765115] nbd: must specify a size in bytes for the device
13:45:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="30000000206153cbc5443a233bc2cf696771ab0c5be59829fd9752ab5af792e9daa749b551f746a331631a7485d1ea77af8c20d18dec09581a48e78ff81ddd4b3be362de82ae94857179ca139c32f202bb46b335649bf2db038aab437c600f96", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)

13:45:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1657.850508] nbd: must specify a size in bytes for the device
13:45:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="65ab919058f58363b5f7a391468a0a0df02cb674ebb279aee7e9e920fd852a1f6a5944af168e09ff0b215db75509a26d289b29055044bfe37cd7c5886177ae5f0863a120e6a3bb59185e98cfb81f1031cbff7976c8c51696e5e9e08669c37de47a2ca0b52691b4a5b35987a39278ac7a1b8be4d1719a0bfcd7079f9e26a3f8787cdf0a17bdfb045d187c08bfbbe804927409b82a32caeb8f0583ffa73512502d8a9c3d3eb1f40ca090280586c80ee1d5409dc0a3ce235a681d42cc012d01bf5685bf050bdd5544f9", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)

13:45:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

[ 1657.929202] nbd: must specify a size in bytes for the device
13:45:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="65ab919058f58363b5f7a391468a0a0df02cb674ebb279aee7e9e920fd852a1f6a5944af168e09ff0b215db75509a26d289b29055044bfe37cd7c5886177ae5f0863a120e6a3bb59185e98cfb81f1031cbff7976c8c51696e5e9e08669c37de47a2ca0b52691b4a5b35987a39278ac7a1b8be4d1719a0bfcd7079f9e26a3f8787cdf0a17bdfb045d187c08bfbbe804927409b82a32caeb8f0583ffa73512502d8a9c3d3eb1f40ca090280586c80ee1d5409dc0a3ce235a681d42cc012d01bf5685bf050bdd5544f9", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="65ab919058f58363b5f7a391468a0a0df02cb674ebb279aee7e9e920fd852a1f6a5944af168e09ff0b215db75509a26d289b29055044bfe37cd7c5886177ae5f0863a120e6a3bb59185e98cfb81f1031cbff7976c8c51696e5e9e08669c37de47a2ca0b52691b4a5b35987a39278ac7a1b8be4d1719a0bfcd7079f9e26a3f8787cdf0a17bdfb045d187c08bfbbe804927409b82a32caeb8f0583ffa73512502d8a9c3d3eb1f40ca090280586c80ee1d5409dc0a3ce235a681d42cc012d01bf5685bf050bdd5544f9", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0) (async)

13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:08 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="65ab919058f58363b5f7a391468a0a0df02cb674ebb279aee7e9e920fd852a1f6a5944af168e09ff0b215db75509a26d289b29055044bfe37cd7c5886177ae5f0863a120e6a3bb59185e98cfb81f1031cbff7976c8c51696e5e9e08669c37de47a2ca0b52691b4a5b35987a39278ac7a1b8be4d1719a0bfcd7079f9e26a3f8787cdf0a17bdfb045d187c08bfbbe804927409b82a32caeb8f0583ffa73512502d8a9c3d3eb1f40ca090280586c80ee1d5409dc0a3ce235a681d42cc012d01bf5685bf050bdd5544f9", @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0003000700000000000000"], 0x30}}, 0x0)

13:45:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 0:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x30}}, 0x4048004)

13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(0x0, r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r3, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20004004}, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r4, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r5, 0x309}, 0x14}}, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x30}}, 0x4048004)

[ 1658.361916] nbd: must specify a size in bytes for the device
13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

13:45:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0)

13:45:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:08 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:08 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}]}, 0x30}}, 0x4048004)

13:45:08 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x58}}, 0x0)

[ 1658.501953] nbd: must specify a size in bytes for the device
13:45:08 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:08 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:08 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="10eca501b5e6e47fcfd256c2f9502dfb699584bdfc40a52c39bc7d678e9e8cf3094d2c4b88d372fce2efb9bfa9c6c11a7fe4ddd0781f4543f4c824f529e52f3b2c67bc30612d4de8b15160054d394f73e20a75dc2b3100e72f16dded855d149d703633f0859cbbf80e43a0afca06a55815f275e59467bcea69749ef6d500000000000000", @ANYRES16=r1, @ANYBLOB="01000000f3000000000001000000040007800c00020000000000000000000c0003000000000000000000"], 0x30}}, 0x0)

13:45:09 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)

13:45:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), 0xffffffffffffffff)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000003c0)={<r5=>0xffffffffffffffff})
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
r7 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r7, 0x0, 0x0)
r8 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r8, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)={0xb8, r4, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8, 0x1, r8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2a}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9a5f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0xb8}, 0x1, 0x0, 0x0, 0x40}, 0x4000)
r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x60, 0x0, 0x400, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x60}, 0x1, 0x0, 0x0, 0x20000000}, 0x40040)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x30, r9, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x30}}, 0x0)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x48, 0x0, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x6}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '-\xbc#\xe5#\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x200001c0}, 0x800)

13:45:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

[ 1658.622896] nbd: must specify a size in bytes for the device
13:45:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)

13:45:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:09 executing program 4:
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
r1 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0)
ioctl$VHOST_VSOCK_SET_RUNNING(r1, 0x4004af61, &(0x7f00000000c0))
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000600)={&(0x7f0000000540), 0xc, 0x0}, 0x0)
ioctl$ifreq_SIOCGIFINDEX_vcan(r0, 0x8933, &(0x7f00000001c0)={'vxcan1\x00', <r5=>0x0})
sendmsg$nl_route(r4, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)=@bridge_newvlan={0x30, 0x70, 0x800, 0x70bd28, 0x25dfdbfb, {0x7, 0x0, 0x0, r5}, [@BRIDGE_VLANDB_ENTRY={0xc, 0x1, 0x0, 0x1, @BRIDGE_VLANDB_ENTRY_MCAST_ROUTER={0x5, 0x6, 0x7}}, @BRIDGE_VLANDB_ENTRY={0xc, 0x1, 0x0, 0x1, @BRIDGE_VLANDB_ENTRY_RANGE={0x6, 0x2, 0xa}}]}, 0x30}, 0x1, 0x0, 0x0, 0x880}, 0x20048840)
r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x30}}, 0x0)

13:45:09 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}]}, 0x30}}, 0x0) (async)

13:45:09 executing program 5:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:09 executing program 4:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0)
sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:09 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0)
sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000440)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000400)={&(0x7f0000000380)={0x4c, r4, 0xa5bc86686f18e2a7, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8000}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8000000000000000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4000094}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000500)={0x38, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '\xbb=\x86\x01\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x38}}, 0x0)

13:45:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 1)

13:45:09 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (fail_nth: 1)

13:45:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

[ 1658.907642] FAULT_INJECTION: forcing a failure.
[ 1658.907642] name failslab, interval 1, probability 0, space 0, times 0
[ 1658.919444] nbd: couldn't find a device at index 4
[ 1658.934721] CPU: 0 PID: 6401 Comm: syz-executor.1 Not tainted 4.14.280-syzkaller #0
[ 1658.942528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1658.946954] FAULT_INJECTION: forcing a failure.
[ 1658.946954] name failslab, interval 1, probability 0, space 0, times 0
[ 1658.951872] Call Trace:
[ 1658.951889]  dump_stack+0x1b2/0x281
[ 1658.951906]  should_fail.cold+0x10a/0x149
[ 1658.973377]  should_failslab+0xd6/0x130
[ 1658.977336]  kmem_cache_alloc_node+0x263/0x410
[ 1658.981902]  __alloc_skb+0x5c/0x510
[ 1658.985514]  netlink_sendmsg+0x91e/0xbc0
[ 1658.989560]  ? nlmsg_notify+0x1b0/0x1b0
[ 1658.993511]  ? kernel_recvmsg+0x210/0x210
[ 1658.997646]  ? security_socket_sendmsg+0x83/0xb0
[ 1659.002387]  ? nlmsg_notify+0x1b0/0x1b0
[ 1659.006342]  sock_sendmsg+0xb5/0x100
[ 1659.010044]  ___sys_sendmsg+0x6c8/0x800
[ 1659.013998]  ? get_pid_task+0x91/0x130
[ 1659.017866]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1659.022611]  ? lock_downgrade+0x740/0x740
[ 1659.026741]  ? __fget+0x23e/0x3e0
[ 1659.030176]  ? lock_acquire+0x170/0x3f0
[ 1659.034131]  ? lock_downgrade+0x740/0x740
[ 1659.038263]  ? __fget+0x265/0x3e0
[ 1659.041706]  ? __fdget+0x19b/0x1f0
[ 1659.045239]  ? sockfd_lookup_light+0xb2/0x160
[ 1659.049725]  __sys_sendmsg+0xa3/0x120
[ 1659.053517]  ? SyS_shutdown+0x160/0x160
13:45:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

[ 1659.057569]  ? wait_for_completion_io+0x10/0x10
[ 1659.062237]  ? SyS_read+0x210/0x210
[ 1659.065857]  ? __do_page_fault+0x159/0xad0
[ 1659.070250]  SyS_sendmsg+0x27/0x40
[ 1659.073773]  ? __sys_sendmsg+0x120/0x120
[ 1659.077831]  do_syscall_64+0x1d5/0x640
[ 1659.081712]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1659.086881] RIP: 0033:0x7f628be470e9
[ 1659.090571] RSP: 002b:00007f628a7bc168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1659.098262] RAX: ffffffffffffffda RBX: 00007f628bf59f60 RCX: 00007f628be470e9
13:45:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

[ 1659.105514] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1659.112766] RBP: 00007f628a7bc1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1659.120021] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1659.127383] R13: 00007fff1e08190f R14: 00007f628a7bc300 R15: 0000000000022000
[ 1659.134649] CPU: 1 PID: 6407 Comm: syz-executor.3 Not tainted 4.14.280-syzkaller #0
[ 1659.142875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1659.152217] Call Trace:
[ 1659.154799]  dump_stack+0x1b2/0x281
[ 1659.158425]  should_fail.cold+0x10a/0x149
[ 1659.162572]  should_failslab+0xd6/0x130
[ 1659.166542]  kmem_cache_alloc_node+0x263/0x410
[ 1659.171127]  __alloc_skb+0x5c/0x510
[ 1659.174757]  netlink_sendmsg+0x91e/0xbc0
[ 1659.178821]  ? nlmsg_notify+0x1b0/0x1b0
[ 1659.179498] FAULT_INJECTION: forcing a failure.
[ 1659.179498] name failslab, interval 1, probability 0, space 0, times 0
[ 1659.182786]  ? kernel_recvmsg+0x210/0x210
[ 1659.182801]  ? security_socket_sendmsg+0x83/0xb0
[ 1659.182811]  ? nlmsg_notify+0x1b0/0x1b0
[ 1659.182821]  sock_sendmsg+0xb5/0x100
[ 1659.182830]  ___sys_sendmsg+0x6c8/0x800
[ 1659.182843]  ? get_pid_task+0x91/0x130
[ 1659.218337]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1659.223183]  ? lock_downgrade+0x740/0x740
[ 1659.227405]  ? __fget+0x23e/0x3e0
[ 1659.230852]  ? lock_acquire+0x170/0x3f0
[ 1659.234813]  ? lock_downgrade+0x740/0x740
[ 1659.238954]  ? __fget+0x265/0x3e0
[ 1659.242406]  ? __fdget+0x19b/0x1f0
[ 1659.245935]  ? sockfd_lookup_light+0xb2/0x160
[ 1659.250419]  __sys_sendmsg+0xa3/0x120
[ 1659.254215]  ? SyS_shutdown+0x160/0x160
[ 1659.258182]  ? wait_for_completion_io+0x10/0x10
[ 1659.262848]  ? SyS_read+0x210/0x210
[ 1659.266466]  ? __do_page_fault+0x159/0xad0
[ 1659.270689]  SyS_sendmsg+0x27/0x40
[ 1659.274218]  ? __sys_sendmsg+0x120/0x120
[ 1659.278267]  do_syscall_64+0x1d5/0x640
[ 1659.282151]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1659.287325] RIP: 0033:0x7f73983ef0e9
[ 1659.291032] RSP: 002b:00007f7396d64168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1659.298728] RAX: ffffffffffffffda RBX: 00007f7398501f60 RCX: 00007f73983ef0e9
13:45:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 1)

13:45:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

13:45:09 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x0)

13:45:09 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:09 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:09 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

[ 1659.305980] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1659.313242] RBP: 00007f7396d641d0 R08: 0000000000000000 R09: 0000000000000000
[ 1659.320508] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1659.327867] R13: 00007ffe9121d89f R14: 00007f7396d64300 R15: 0000000000022000
[ 1659.335134] CPU: 0 PID: 6416 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1659.342927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1659.352276] Call Trace:
[ 1659.354862]  dump_stack+0x1b2/0x281
[ 1659.358493]  should_fail.cold+0x10a/0x149
[ 1659.362642]  should_failslab+0xd6/0x130
[ 1659.366617]  kmem_cache_alloc_node+0x263/0x410
[ 1659.371202]  __alloc_skb+0x5c/0x510
[ 1659.374383] nbd: must specify a size in bytes for the device
[ 1659.374824]  netlink_sendmsg+0x91e/0xbc0
[ 1659.384660]  ? nlmsg_notify+0x1b0/0x1b0
[ 1659.388630]  ? kernel_recvmsg+0x210/0x210
[ 1659.392780]  ? security_socket_sendmsg+0x83/0xb0
[ 1659.397540]  ? nlmsg_notify+0x1b0/0x1b0
[ 1659.401614]  sock_sendmsg+0xb5/0x100
[ 1659.405409]  ___sys_sendmsg+0x6c8/0x800
[ 1659.409466]  ? get_pid_task+0x91/0x130
[ 1659.413355]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1659.418310]  ? lock_downgrade+0x740/0x740
[ 1659.422541]  ? __fget+0x23e/0x3e0
[ 1659.426070]  ? lock_acquire+0x170/0x3f0
[ 1659.430032]  ? lock_downgrade+0x740/0x740
[ 1659.434166]  ? __fget+0x265/0x3e0
[ 1659.437605]  ? __fdget+0x19b/0x1f0
[ 1659.441130]  ? sockfd_lookup_light+0xb2/0x160
[ 1659.445611]  __sys_sendmsg+0xa3/0x120
[ 1659.449389]  ? SyS_shutdown+0x160/0x160
[ 1659.453344]  ? wait_for_completion_io+0x10/0x10
[ 1659.457996]  ? SyS_read+0x210/0x210
[ 1659.461599]  ? __do_page_fault+0x159/0xad0
[ 1659.465820]  SyS_sendmsg+0x27/0x40
[ 1659.469344]  ? __sys_sendmsg+0x120/0x120
[ 1659.473414]  do_syscall_64+0x1d5/0x640
[ 1659.477282]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1659.482625] RIP: 0033:0x7f7b5cb0c0e9
[ 1659.486312] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1659.494011] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1659.501256] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
13:45:09 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 2)

13:45:09 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:09 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:09 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (fail_nth: 2)

13:45:09 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

13:45:09 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 2)

[ 1659.508499] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1659.515757] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1659.523177] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
13:45:10 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:10 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

[ 1659.593625] nbd: must specify a size in bytes for the device
[ 1659.606854] FAULT_INJECTION: forcing a failure.
[ 1659.606854] name failslab, interval 1, probability 0, space 0, times 0
[ 1659.609882] FAULT_INJECTION: forcing a failure.
[ 1659.609882] name failslab, interval 1, probability 0, space 0, times 0
[ 1659.639625] FAULT_INJECTION: forcing a failure.
[ 1659.639625] name failslab, interval 1, probability 0, space 0, times 0
[ 1659.645326] CPU: 0 PID: 6432 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1659.658705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1659.668058] Call Trace:
[ 1659.670643]  dump_stack+0x1b2/0x281
[ 1659.674282]  should_fail.cold+0x10a/0x149
[ 1659.678429]  should_failslab+0xd6/0x130
[ 1659.682402]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1659.687494]  __kmalloc_node_track_caller+0x38/0x70
13:45:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1659.692413]  __alloc_skb+0x96/0x510
[ 1659.696033]  netlink_sendmsg+0x91e/0xbc0
[ 1659.700089]  ? nlmsg_notify+0x1b0/0x1b0
[ 1659.704046]  ? kernel_recvmsg+0x210/0x210
[ 1659.708192]  ? security_socket_sendmsg+0x83/0xb0
[ 1659.712944]  ? nlmsg_notify+0x1b0/0x1b0
[ 1659.716910]  sock_sendmsg+0xb5/0x100
[ 1659.720610]  ___sys_sendmsg+0x6c8/0x800
[ 1659.724568]  ? get_pid_task+0x91/0x130
[ 1659.728445]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1659.733184]  ? lock_downgrade+0x740/0x740
[ 1659.737324]  ? __fget+0x23e/0x3e0
13:45:10 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1659.740762]  ? lock_acquire+0x170/0x3f0
[ 1659.744723]  ? lock_downgrade+0x740/0x740
[ 1659.748865]  ? __fget+0x265/0x3e0
[ 1659.752305]  ? __fdget+0x19b/0x1f0
[ 1659.755834]  ? sockfd_lookup_light+0xb2/0x160
[ 1659.760329]  __sys_sendmsg+0xa3/0x120
[ 1659.764122]  ? SyS_shutdown+0x160/0x160
[ 1659.768086]  ? wait_for_completion_io+0x10/0x10
[ 1659.772753]  ? SyS_read+0x210/0x210
[ 1659.776375]  ? __do_page_fault+0x159/0xad0
[ 1659.780611]  SyS_sendmsg+0x27/0x40
[ 1659.784138]  ? __sys_sendmsg+0x120/0x120
[ 1659.788194]  do_syscall_64+0x1d5/0x640
[ 1659.792121]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1659.797401] RIP: 0033:0x7f7b5cb0c0e9
[ 1659.801360] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1659.809058] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1659.816408] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1659.823666] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1659.830919] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
13:45:10 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 3)

[ 1659.838183] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
[ 1659.842493] nbd: must specify a size in bytes for the device
[ 1659.859720] CPU: 1 PID: 6436 Comm: syz-executor.1 Not tainted 4.14.280-syzkaller #0
[ 1659.867620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1659.877062] Call Trace:
[ 1659.879648]  dump_stack+0x1b2/0x281
[ 1659.883303]  should_fail.cold+0x10a/0x149
[ 1659.887545]  should_failslab+0xd6/0x130
[ 1659.891512]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1659.896613]  __kmalloc_node_track_caller+0x38/0x70
[ 1659.901541]  __alloc_skb+0x96/0x510
[ 1659.904876] FAULT_INJECTION: forcing a failure.
[ 1659.904876] name failslab, interval 1, probability 0, space 0, times 0
[ 1659.905165]  netlink_sendmsg+0x91e/0xbc0
[ 1659.905184]  ? nlmsg_notify+0x1b0/0x1b0
[ 1659.924544]  ? kernel_recvmsg+0x210/0x210
[ 1659.928713]  ? security_socket_sendmsg+0x83/0xb0
[ 1659.933470]  ? nlmsg_notify+0x1b0/0x1b0
[ 1659.937433]  sock_sendmsg+0xb5/0x100
[ 1659.941131]  ___sys_sendmsg+0x6c8/0x800
[ 1659.945191]  ? get_pid_task+0x91/0x130
[ 1659.949060]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1659.953889]  ? lock_downgrade+0x740/0x740
[ 1659.958300]  ? __fget+0x23e/0x3e0
[ 1659.961834]  ? lock_acquire+0x170/0x3f0
[ 1659.965877]  ? lock_downgrade+0x740/0x740
[ 1659.970007]  ? __fget+0x265/0x3e0
[ 1659.973443]  ? __fdget+0x19b/0x1f0
[ 1659.976966]  ? sockfd_lookup_light+0xb2/0x160
[ 1659.981443]  __sys_sendmsg+0xa3/0x120
[ 1659.985309]  ? SyS_shutdown+0x160/0x160
[ 1659.989266]  ? wait_for_completion_io+0x10/0x10
[ 1659.993921]  ? SyS_read+0x210/0x210
[ 1659.997543]  ? __do_page_fault+0x159/0xad0
[ 1660.001857]  SyS_sendmsg+0x27/0x40
[ 1660.005379]  ? __sys_sendmsg+0x120/0x120
[ 1660.009423]  do_syscall_64+0x1d5/0x640
[ 1660.013295]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1660.018466] RIP: 0033:0x7f628be470e9
[ 1660.022157] RSP: 002b:00007f628a7bc168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1660.029848] RAX: ffffffffffffffda RBX: 00007f628bf59f60 RCX: 00007f628be470e9
[ 1660.037391] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1660.044729] RBP: 00007f628a7bc1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1660.051979] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1660.059230] R13: 00007fff1e08190f R14: 00007f628a7bc300 R15: 0000000000022000
[ 1660.066579] CPU: 0 PID: 6448 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1660.074372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1660.083711] Call Trace:
[ 1660.086286]  dump_stack+0x1b2/0x281
[ 1660.089905]  should_fail.cold+0x10a/0x149
[ 1660.094043]  should_failslab+0xd6/0x130
[ 1660.098000]  kmem_cache_alloc_trace+0x29a/0x3d0
[ 1660.102651]  nbd_alloc_config+0x3c/0x150
[ 1660.106707]  nbd_genl_connect+0x40f/0x1400
[ 1660.110938]  ? nbd_xmit_timeout+0x500/0x500
[ 1660.115257]  ? validate_nla+0x192/0x5e0
[ 1660.119218]  ? nla_parse+0x157/0x1f0
[ 1660.122922]  genl_family_rcv_msg+0x572/0xb20
[ 1660.127320]  ? genl_rcv+0x40/0x40
[ 1660.130845]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1660.136366]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1660.141451]  ? trace_hardirqs_on+0x10/0x10
[ 1660.145678]  genl_rcv_msg+0xaf/0x140
[ 1660.149382]  netlink_rcv_skb+0x125/0x390
[ 1660.153514]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1660.158170]  ? netlink_ack+0x9a0/0x9a0
[ 1660.162041]  ? lock_acquire+0x170/0x3f0
[ 1660.166261]  genl_rcv+0x24/0x40
[ 1660.169521]  netlink_unicast+0x437/0x610
[ 1660.173566]  ? netlink_sendskb+0xd0/0xd0
[ 1660.177612]  ? __check_object_size+0x179/0x230
[ 1660.182182]  netlink_sendmsg+0x648/0xbc0
[ 1660.186227]  ? nlmsg_notify+0x1b0/0x1b0
[ 1660.190183]  ? kernel_recvmsg+0x210/0x210
[ 1660.194316]  ? security_socket_sendmsg+0x83/0xb0
[ 1660.199051]  ? nlmsg_notify+0x1b0/0x1b0
[ 1660.203007]  sock_sendmsg+0xb5/0x100
[ 1660.206703]  ___sys_sendmsg+0x6c8/0x800
[ 1660.210660]  ? get_pid_task+0x91/0x130
[ 1660.214528]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1660.219268]  ? lock_downgrade+0x740/0x740
[ 1660.223399]  ? __fget+0x23e/0x3e0
[ 1660.226836]  ? lock_acquire+0x170/0x3f0
[ 1660.230796]  ? lock_downgrade+0x740/0x740
[ 1660.234929]  ? __fget+0x265/0x3e0
[ 1660.238371]  ? __fdget+0x19b/0x1f0
[ 1660.241898]  ? sockfd_lookup_light+0xb2/0x160
[ 1660.246382]  __sys_sendmsg+0xa3/0x120
[ 1660.250166]  ? SyS_shutdown+0x160/0x160
[ 1660.254126]  ? wait_for_completion_io+0x10/0x10
[ 1660.258783]  ? SyS_read+0x210/0x210
[ 1660.262394]  ? __do_page_fault+0x159/0xad0
[ 1660.266639]  SyS_sendmsg+0x27/0x40
[ 1660.270167]  ? __sys_sendmsg+0x120/0x120
[ 1660.274211]  do_syscall_64+0x1d5/0x640
[ 1660.278086]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1660.283351] RIP: 0033:0x7f7b5cb0c0e9
[ 1660.287039] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
13:45:10 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 3)

13:45:10 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0)

13:45:10 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

[ 1660.295354] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1660.302709] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1660.310162] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1660.317430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1660.324694] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
[ 1660.339524] CPU: 1 PID: 6434 Comm: syz-executor.3 Not tainted 4.14.280-syzkaller #0
[ 1660.347337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1660.356691] Call Trace:
[ 1660.359299]  dump_stack+0x1b2/0x281
[ 1660.362932]  should_fail.cold+0x10a/0x149
[ 1660.367077]  should_failslab+0xd6/0x130
[ 1660.371050]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1660.376161]  __kmalloc_node_track_caller+0x38/0x70
[ 1660.381111]  __alloc_skb+0x96/0x510
[ 1660.384833]  netlink_sendmsg+0x91e/0xbc0
[ 1660.388987]  ? nlmsg_notify+0x1b0/0x1b0
[ 1660.392988]  ? kernel_recvmsg+0x210/0x210
[ 1660.393764] nbd: couldn't allocate config
[ 1660.397145]  ? security_socket_sendmsg+0x83/0xb0
[ 1660.397155]  ? nlmsg_notify+0x1b0/0x1b0
[ 1660.397165]  sock_sendmsg+0xb5/0x100
[ 1660.397178]  ___sys_sendmsg+0x6c8/0x800
[ 1660.397186]  ? get_pid_task+0x91/0x130
[ 1660.397193]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1660.397205]  ? lock_downgrade+0x740/0x740
[ 1660.397217]  ? __fget+0x23e/0x3e0
[ 1660.401890] nbd: must specify at least one socket
[ 1660.406107]  ? lock_acquire+0x170/0x3f0
[ 1660.406116]  ? lock_downgrade+0x740/0x740
[ 1660.406130]  ? __fget+0x265/0x3e0
[ 1660.406144]  ? __fdget+0x19b/0x1f0
[ 1660.406153]  ? sockfd_lookup_light+0xb2/0x160
[ 1660.406164]  __sys_sendmsg+0xa3/0x120
[ 1660.406173]  ? SyS_shutdown+0x160/0x160
[ 1660.406184]  ? wait_for_completion_io+0x10/0x10
[ 1660.406198]  ? SyS_read+0x210/0x210
[ 1660.406211]  ? __do_page_fault+0x159/0xad0
[ 1660.450487] FAULT_INJECTION: forcing a failure.
[ 1660.450487] name failslab, interval 1, probability 0, space 0, times 0
[ 1660.450924]  SyS_sendmsg+0x27/0x40
[ 1660.493880]  ? __sys_sendmsg+0x120/0x120
[ 1660.497926]  do_syscall_64+0x1d5/0x640
[ 1660.501801]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1660.506972] RIP: 0033:0x7f73983ef0e9
[ 1660.510662] RSP: 002b:00007f7396d64168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1660.518355] RAX: ffffffffffffffda RBX: 00007f7398501f60 RCX: 00007f73983ef0e9
[ 1660.525614] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1660.532963] RBP: 00007f7396d641d0 R08: 0000000000000000 R09: 0000000000000000
[ 1660.540215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1660.547480] R13: 00007ffe9121d89f R14: 00007f7396d64300 R15: 0000000000022000
[ 1660.554756] CPU: 0 PID: 6453 Comm: syz-executor.1 Not tainted 4.14.280-syzkaller #0
[ 1660.562556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1660.571907] Call Trace:
[ 1660.574492]  dump_stack+0x1b2/0x281
[ 1660.578123]  should_fail.cold+0x10a/0x149
[ 1660.582278]  should_failslab+0xd6/0x130
[ 1660.586255]  kmem_cache_alloc_trace+0x29a/0x3d0
[ 1660.590914]  nbd_alloc_config+0x3c/0x150
[ 1660.594959]  nbd_genl_connect+0x40f/0x1400
[ 1660.599192]  ? nbd_xmit_timeout+0x500/0x500
[ 1660.603498]  ? validate_nla+0x192/0x5e0
[ 1660.607453]  ? nla_parse+0x157/0x1f0
[ 1660.611150]  genl_family_rcv_msg+0x572/0xb20
[ 1660.615539]  ? genl_rcv+0x40/0x40
[ 1660.618984]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1660.624419]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1660.629502]  ? trace_hardirqs_on+0x10/0x10
[ 1660.633725]  genl_rcv_msg+0xaf/0x140
[ 1660.637737]  netlink_rcv_skb+0x125/0x390
[ 1660.641785]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1660.646347]  ? netlink_ack+0x9a0/0x9a0
[ 1660.650211]  ? lock_acquire+0x170/0x3f0
[ 1660.654178]  genl_rcv+0x24/0x40
[ 1660.657448]  netlink_unicast+0x437/0x610
[ 1660.661498]  ? netlink_sendskb+0xd0/0xd0
[ 1660.665542]  ? __check_object_size+0x179/0x230
[ 1660.670107]  netlink_sendmsg+0x648/0xbc0
[ 1660.674166]  ? nlmsg_notify+0x1b0/0x1b0
[ 1660.678125]  ? kernel_recvmsg+0x210/0x210
[ 1660.682254]  ? security_socket_sendmsg+0x83/0xb0
[ 1660.686994]  ? nlmsg_notify+0x1b0/0x1b0
[ 1660.690957]  sock_sendmsg+0xb5/0x100
[ 1660.694652]  ___sys_sendmsg+0x6c8/0x800
[ 1660.698612]  ? get_pid_task+0x91/0x130
[ 1660.702480]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1660.707218]  ? lock_downgrade+0x740/0x740
[ 1660.711351]  ? __fget+0x23e/0x3e0
[ 1660.714826]  ? lock_acquire+0x170/0x3f0
[ 1660.718777]  ? lock_downgrade+0x740/0x740
[ 1660.722905]  ? __fget+0x265/0x3e0
[ 1660.726351]  ? __fdget+0x19b/0x1f0
[ 1660.729876]  ? sockfd_lookup_light+0xb2/0x160
[ 1660.734358]  __sys_sendmsg+0xa3/0x120
[ 1660.738136]  ? SyS_shutdown+0x160/0x160
[ 1660.742104]  ? wait_for_completion_io+0x10/0x10
[ 1660.746797]  ? SyS_read+0x210/0x210
[ 1660.750403]  ? __do_page_fault+0x159/0xad0
[ 1660.754613]  SyS_sendmsg+0x27/0x40
[ 1660.758132]  ? __sys_sendmsg+0x120/0x120
[ 1660.762173]  do_syscall_64+0x1d5/0x640
[ 1660.766043]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1660.771211] RIP: 0033:0x7f628be470e9
[ 1660.774898] RSP: 002b:00007f628a7bc168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1660.782587] RAX: ffffffffffffffda RBX: 00007f628bf59f60 RCX: 00007f628be470e9
[ 1660.789856] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
13:45:11 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
ioctl$sock_ax25_SIOCADDRT(r4, 0x890b, &(0x7f0000000380)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, 0x8, [@default, @bcast, @null, @null, @default, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default]})
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="000326bd700000b400000000000000001f0000000000000000000905fe710263c7f185b012e7e9bf16bf4dde8fff52dee3"], 0x1c}, 0x1, 0x0, 0x0, 0x24048000}, 0x4)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:11 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 4)

13:45:11 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:11 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:11 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (fail_nth: 4)

[ 1660.797103] RBP: 00007f628a7bc1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1660.804351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1660.811609] R13: 00007fff1e08190f R14: 00007f628a7bc300 R15: 0000000000022000
[ 1660.834099] nbd: couldn't allocate config
13:45:11 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0) (async)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0) (async)
ioctl$sock_ax25_SIOCADDRT(r4, 0x890b, &(0x7f0000000380)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, 0x8, [@default, @bcast, @null, @null, @default, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default]}) (async)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="000326bd700000b400000000000000001f0000000000000000000905fe710263c7f185b012e7e9bf16bf4dde8fff52dee3"], 0x1c}, 0x1, 0x0, 0x0, 0x24048000}, 0x4) (async)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

[ 1660.883449] nbd: must specify at least one socket
[ 1660.907073] FAULT_INJECTION: forcing a failure.
[ 1660.907073] name failslab, interval 1, probability 0, space 0, times 0
[ 1660.927088] CPU: 0 PID: 6464 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1660.934888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1660.944225] Call Trace:
[ 1660.946802]  dump_stack+0x1b2/0x281
[ 1660.950621]  should_fail.cold+0x10a/0x149
[ 1660.954755]  should_failslab+0xd6/0x130
[ 1660.958723]  kmem_cache_alloc_trace+0x29a/0x3d0
[ 1660.963380]  ? dev_uevent_filter+0xd0/0xd0
[ 1660.967774]  kobject_uevent_env+0x20c/0xf30
[ 1660.972082]  ? wait_for_completion_io+0x10/0x10
[ 1660.976743]  ? is_acpi_device_node+0x5b/0x70
[ 1660.981148]  device_del+0x642/0xa80
[ 1660.984764]  ? __device_links_no_driver+0x1b0/0x1b0
[ 1660.989761]  device_unregister+0x22/0xc0
[ 1660.993807]  bdi_unregister+0x42f/0x610
[ 1660.997769]  ? wb_blkcg_offline+0x180/0x180
[ 1661.002072]  del_gendisk+0x453/0x820
[ 1661.005773]  ? refcount_dec_not_one+0x75/0xc0
[ 1661.010252]  ? disk_events_poll_msecs_store+0x150/0x150
[ 1661.015601]  ? wait_for_completion_io+0x10/0x10
[ 1661.020256]  nbd_put.part.0+0xb0/0x140
[ 1661.024120]  nbd_genl_connect+0xfa9/0x1400
[ 1661.028342]  ? nbd_xmit_timeout+0x500/0x500
[ 1661.032648]  ? validate_nla+0x192/0x5e0
[ 1661.036612]  ? nla_parse+0x157/0x1f0
[ 1661.040344]  genl_family_rcv_msg+0x572/0xb20
[ 1661.044734]  ? genl_rcv+0x40/0x40
[ 1661.048177]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1661.053617]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1661.058704]  ? trace_hardirqs_on+0x10/0x10
[ 1661.062923]  genl_rcv_msg+0xaf/0x140
[ 1661.066629]  netlink_rcv_skb+0x125/0x390
[ 1661.070679]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1661.075241]  ? netlink_ack+0x9a0/0x9a0
[ 1661.079110]  ? lock_acquire+0x170/0x3f0
[ 1661.083153]  genl_rcv+0x24/0x40
[ 1661.086415]  netlink_unicast+0x437/0x610
[ 1661.090540]  ? netlink_sendskb+0xd0/0xd0
[ 1661.094592]  ? __check_object_size+0x179/0x230
[ 1661.099158]  netlink_sendmsg+0x648/0xbc0
[ 1661.103209]  ? nlmsg_notify+0x1b0/0x1b0
[ 1661.107177]  ? kernel_recvmsg+0x210/0x210
[ 1661.111319]  ? security_socket_sendmsg+0x83/0xb0
[ 1661.116062]  ? nlmsg_notify+0x1b0/0x1b0
[ 1661.120028]  sock_sendmsg+0xb5/0x100
[ 1661.123729]  ___sys_sendmsg+0x6c8/0x800
[ 1661.127684]  ? get_pid_task+0x91/0x130
[ 1661.131549]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1661.136299]  ? lock_downgrade+0x740/0x740
[ 1661.140873]  ? __fget+0x23e/0x3e0
[ 1661.144315]  ? lock_acquire+0x170/0x3f0
[ 1661.148283]  ? lock_downgrade+0x740/0x740
[ 1661.152435]  ? __fget+0x265/0x3e0
[ 1661.155978]  ? __fdget+0x19b/0x1f0
[ 1661.159539]  ? sockfd_lookup_light+0xb2/0x160
[ 1661.164015]  __sys_sendmsg+0xa3/0x120
[ 1661.167802]  ? SyS_shutdown+0x160/0x160
[ 1661.171765]  ? wait_for_completion_io+0x10/0x10
[ 1661.176430]  ? SyS_read+0x210/0x210
[ 1661.180048]  ? __do_page_fault+0x159/0xad0
[ 1661.184281]  SyS_sendmsg+0x27/0x40
[ 1661.187807]  ? __sys_sendmsg+0x120/0x120
[ 1661.191860]  do_syscall_64+0x1d5/0x640
[ 1661.195743]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1661.200929] RIP: 0033:0x7f7b5cb0c0e9
13:45:11 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

[ 1661.204731] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1661.212421] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1661.219677] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1661.226934] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1661.234192] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1661.241864] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
13:45:11 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
ioctl$sock_ax25_SIOCADDRT(r4, 0x890b, &(0x7f0000000380)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, 0x8, [@default, @bcast, @null, @null, @default, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default]})
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="000326bd700000b400000000000000001f0000000000000000000905fe710263c7f185b012e7e9bf16bf4dde8fff52dee3"], 0x1c}, 0x1, 0x0, 0x0, 0x24048000}, 0x4)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r2) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x14, r3, 0x309}, 0x14}}, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r4, 0x0, 0x0) (async)
ioctl$sock_ax25_SIOCADDRT(r4, 0x890b, &(0x7f0000000380)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @default, 0x8, [@default, @bcast, @null, @null, @default, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default]}) (async)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r3, @ANYBLOB="000326bd700000b400000000000000001f0000000000000000000905fe710263c7f185b012e7e9bf16bf4dde8fff52dee3"], 0x1c}, 0x1, 0x0, 0x0, 0x24048000}, 0x4) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async)

13:45:11 executing program 1:
ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={<r3=>0xffffffffffffffff})
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x6c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100000001}]}, 0x6c}}, 0x0)

13:45:11 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 5)

13:45:11 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1661.301182] nbd: must specify at least one socket
13:45:11 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:11 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:11 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:11 executing program 1:
ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={<r3=>0xffffffffffffffff}) (async)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x6c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100000001}]}, 0x6c}}, 0x0)

[ 1661.382175] nbd: must specify a size in bytes for the device
[ 1661.404689] FAULT_INJECTION: forcing a failure.
[ 1661.404689] name failslab, interval 1, probability 0, space 0, times 0
[ 1661.423669] CPU: 0 PID: 6492 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1661.431481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1661.440837] Call Trace:
[ 1661.443418]  dump_stack+0x1b2/0x281
[ 1661.447035]  should_fail.cold+0x10a/0x149
[ 1661.451172]  should_failslab+0xd6/0x130
[ 1661.455133]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1661.460229]  __kmalloc_node+0x38/0x70
[ 1661.464017]  disk_expand_part_tbl+0x17a/0x340
[ 1661.468501]  alloc_disk_node+0xf1/0x3d0
[ 1661.472465]  nbd_dev_add+0x9f/0x800
[ 1661.476072]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1661.480199]  ? ns_capable_common+0x127/0x150
[ 1661.484591]  nbd_genl_connect+0x3a4/0x1400
[ 1661.488813]  ? lock_acquire+0x170/0x3f0
[ 1661.492776]  ? nbd_xmit_timeout+0x500/0x500
[ 1661.497080]  ? validate_nla+0x192/0x5e0
[ 1661.501040]  ? nla_parse+0x157/0x1f0
[ 1661.504733]  genl_family_rcv_msg+0x572/0xb20
[ 1661.509134]  ? genl_rcv+0x40/0x40
[ 1661.512572]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1661.518011]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1661.523179]  ? trace_hardirqs_on+0x10/0x10
[ 1661.527492]  genl_rcv_msg+0xaf/0x140
[ 1661.531209]  netlink_rcv_skb+0x125/0x390
[ 1661.535265]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1661.540336]  ? netlink_ack+0x9a0/0x9a0
[ 1661.544211]  ? lock_acquire+0x170/0x3f0
[ 1661.548183]  genl_rcv+0x24/0x40
[ 1661.551468]  netlink_unicast+0x437/0x610
[ 1661.555517]  ? netlink_sendskb+0xd0/0xd0
[ 1661.559556]  ? __check_object_size+0x179/0x230
[ 1661.564119]  netlink_sendmsg+0x648/0xbc0
[ 1661.568172]  ? nlmsg_notify+0x1b0/0x1b0
[ 1661.572133]  ? kernel_recvmsg+0x210/0x210
[ 1661.576260]  ? security_socket_sendmsg+0x83/0xb0
[ 1661.580993]  ? nlmsg_notify+0x1b0/0x1b0
[ 1661.584943]  sock_sendmsg+0xb5/0x100
[ 1661.588640]  ___sys_sendmsg+0x6c8/0x800
[ 1661.592607]  ? get_pid_task+0x91/0x130
[ 1661.596476]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1661.601218]  ? lock_downgrade+0x740/0x740
[ 1661.605352]  ? __fget+0x23e/0x3e0
[ 1661.608800]  ? lock_acquire+0x170/0x3f0
[ 1661.612763]  ? lock_downgrade+0x740/0x740
[ 1661.616888]  ? __fget+0x265/0x3e0
[ 1661.620321]  ? __fdget+0x19b/0x1f0
[ 1661.623837]  ? sockfd_lookup_light+0xb2/0x160
[ 1661.628326]  __sys_sendmsg+0xa3/0x120
[ 1661.632125]  ? SyS_shutdown+0x160/0x160
[ 1661.636094]  ? wait_for_completion_io+0x10/0x10
[ 1661.640756]  ? SyS_read+0x210/0x210
[ 1661.644366]  ? __do_page_fault+0x159/0xad0
[ 1661.648587]  SyS_sendmsg+0x27/0x40
[ 1661.652109]  ? __sys_sendmsg+0x120/0x120
[ 1661.656166]  do_syscall_64+0x1d5/0x640
[ 1661.660048]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1661.665214] RIP: 0033:0x7f7b5cb0c0e9
[ 1661.668903] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
13:45:12 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1661.676594] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1661.683860] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1661.691107] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1661.698360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1661.705615] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
[ 1661.725888] nbd: failed to add new device
13:45:12 executing program 1:
ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={<r3=>0xffffffffffffffff})
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={<r5=>0xffffffffffffffff})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x6c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100000001}]}, 0x6c}}, 0x0)
ioctl$PPPOEIOCDFWD(0xffffffffffffffff, 0xb101, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r4, 0x0, 0x0) (async)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x6c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '/dev/zero\x00'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffffffffffff}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x100000001}]}, 0x6c}}, 0x0) (async)

13:45:12 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), r0)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x80, r3, 0x100, 0x70bd27, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}]}, 0x80}, 0x1, 0x0, 0x0, 0x20000000}, 0x4040091)
getpeername$packet(r2, 0x0, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000540)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x2c, r3, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8400}, 0x40000)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r4, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x34, r3, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x2c}}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x34}}, 0x4004000)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x2c}}, 0x8804)

13:45:12 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 6)

13:45:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:12 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1661.827520] FAULT_INJECTION: forcing a failure.
[ 1661.827520] name failslab, interval 1, probability 0, space 0, times 0
[ 1661.843543] CPU: 1 PID: 6528 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1661.851353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1661.860698] Call Trace:
[ 1661.863272]  dump_stack+0x1b2/0x281
[ 1661.866879]  should_fail.cold+0x10a/0x149
[ 1661.871014]  should_failslab+0xd6/0x130
[ 1661.874966]  kmem_cache_alloc_node+0x263/0x410
[ 1661.879526]  __alloc_skb+0x5c/0x510
[ 1661.883140]  kobject_uevent_env+0x882/0xf30
[ 1661.887450]  ? is_acpi_device_node+0x5b/0x70
[ 1661.891837]  device_del+0x642/0xa80
[ 1661.895450]  ? __device_links_no_driver+0x1b0/0x1b0
[ 1661.900449]  device_unregister+0x22/0xc0
[ 1661.904494]  bdi_unregister+0x42f/0x610
[ 1661.908485]  ? wb_blkcg_offline+0x180/0x180
[ 1661.912790]  del_gendisk+0x453/0x820
[ 1661.916494]  ? refcount_dec_not_one+0x75/0xc0
[ 1661.920968]  ? disk_events_poll_msecs_store+0x150/0x150
[ 1661.926359]  ? wait_for_completion_io+0x10/0x10
[ 1661.931009]  nbd_put.part.0+0xb0/0x140
[ 1661.934878]  nbd_genl_connect+0xfa9/0x1400
[ 1661.939096]  ? nbd_xmit_timeout+0x500/0x500
[ 1661.943393]  ? __mutex_lock+0x356/0x1310
[ 1661.947443]  ? validate_nla+0x192/0x5e0
[ 1661.951416]  ? nla_parse+0x157/0x1f0
[ 1661.955121]  genl_family_rcv_msg+0x572/0xb20
[ 1661.959511]  ? genl_rcv+0x40/0x40
[ 1661.962945]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1661.968377]  ? trace_hardirqs_on+0x10/0x10
[ 1661.972611]  genl_rcv_msg+0xaf/0x140
[ 1661.976301]  netlink_rcv_skb+0x125/0x390
[ 1661.980338]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1661.984905]  ? netlink_ack+0x9a0/0x9a0
[ 1661.988770]  ? lock_acquire+0x170/0x3f0
[ 1661.992724]  genl_rcv+0x24/0x40
[ 1661.995981]  netlink_unicast+0x437/0x610
[ 1662.000029]  ? netlink_sendskb+0xd0/0xd0
[ 1662.004075]  ? __check_object_size+0x179/0x230
[ 1662.008638]  netlink_sendmsg+0x648/0xbc0
[ 1662.012681]  ? nlmsg_notify+0x1b0/0x1b0
[ 1662.016637]  ? kernel_recvmsg+0x210/0x210
[ 1662.020775]  ? security_socket_sendmsg+0x83/0xb0
[ 1662.025516]  ? nlmsg_notify+0x1b0/0x1b0
[ 1662.029475]  sock_sendmsg+0xb5/0x100
[ 1662.033167]  ___sys_sendmsg+0x6c8/0x800
[ 1662.037119]  ? get_pid_task+0x91/0x130
[ 1662.040982]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1662.045748]  ? lock_downgrade+0x740/0x740
[ 1662.049916]  ? __fget+0x23e/0x3e0
[ 1662.053364]  ? lock_acquire+0x170/0x3f0
[ 1662.057314]  ? lock_downgrade+0x740/0x740
[ 1662.061440]  ? __fget+0x265/0x3e0
[ 1662.064880]  ? __fdget+0x19b/0x1f0
[ 1662.068400]  ? sockfd_lookup_light+0xb2/0x160
[ 1662.072896]  __sys_sendmsg+0xa3/0x120
[ 1662.076673]  ? SyS_shutdown+0x160/0x160
[ 1662.080768]  ? wait_for_completion_io+0x10/0x10
[ 1662.085419]  ? SyS_read+0x210/0x210
[ 1662.089021]  ? __do_page_fault+0x159/0xad0
[ 1662.093232]  SyS_sendmsg+0x27/0x40
[ 1662.096750]  ? __sys_sendmsg+0x120/0x120
[ 1662.100793]  do_syscall_64+0x1d5/0x640
[ 1662.104707]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1662.109882] RIP: 0033:0x7f7b5cb0c0e9
[ 1662.113569] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1662.121259] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
13:45:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

[ 1662.128595] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1662.135854] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1662.143111] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1662.150365] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
13:45:12 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 7)

13:45:12 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)

13:45:12 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x54, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x54}, 0x1, 0x0, 0x0, 0x4804}, 0x800)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:12 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), r0)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x80, r3, 0x100, 0x70bd27, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}]}, 0x80}, 0x1, 0x0, 0x0, 0x20000000}, 0x4040091)
getpeername$packet(r2, 0x0, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000540)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x2c, r3, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8400}, 0x40000)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r4, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x34, r3, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x2c}}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x34}}, 0x4004000)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x2c}}, 0x8804)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), r0) (async)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x80, r3, 0x100, 0x70bd27, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}]}, 0x80}, 0x1, 0x0, 0x0, 0x20000000}, 0x4040091) (async)
getpeername$packet(r2, 0x0, 0x0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000540)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x2c, r3, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8400}, 0x40000) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r4, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x34, r3, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x2c}}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x34}}, 0x4004000) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x2c}}, 0x8804) (async)

13:45:12 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

[ 1662.208625] nbd: must specify a size in bytes for the device
[ 1662.278132] FAULT_INJECTION: forcing a failure.
[ 1662.278132] name failslab, interval 1, probability 0, space 0, times 0
[ 1662.296765] CPU: 0 PID: 6559 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1662.304571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1662.313906] Call Trace:
[ 1662.316476]  dump_stack+0x1b2/0x281
[ 1662.320094]  should_fail.cold+0x10a/0x149
[ 1662.324225]  should_failslab+0xd6/0x130
[ 1662.328189]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1662.333275]  __kmalloc_node+0x38/0x70
[ 1662.337062]  blk_mq_alloc_tag_set+0x27c/0x910
[ 1662.341541]  nbd_dev_add+0x2ae/0x800
[ 1662.345237]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1662.349370]  ? ns_capable_common+0x127/0x150
[ 1662.353772]  nbd_genl_connect+0x3a4/0x1400
[ 1662.358002]  ? lock_acquire+0x170/0x3f0
[ 1662.361964]  ? nbd_xmit_timeout+0x500/0x500
[ 1662.366264]  ? validate_nla+0x192/0x5e0
[ 1662.370216]  ? nla_parse+0x157/0x1f0
[ 1662.373910]  genl_family_rcv_msg+0x572/0xb20
[ 1662.378295]  ? genl_rcv+0x40/0x40
[ 1662.381725]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1662.387159]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1662.392327]  ? trace_hardirqs_on+0x10/0x10
[ 1662.396635]  genl_rcv_msg+0xaf/0x140
[ 1662.400327]  netlink_rcv_skb+0x125/0x390
[ 1662.404365]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1662.408925]  ? netlink_ack+0x9a0/0x9a0
[ 1662.412815]  ? lock_acquire+0x170/0x3f0
[ 1662.416770]  genl_rcv+0x24/0x40
[ 1662.420027]  netlink_unicast+0x437/0x610
[ 1662.424072]  ? netlink_sendskb+0xd0/0xd0
[ 1662.428201]  ? __check_object_size+0x179/0x230
[ 1662.432764]  netlink_sendmsg+0x648/0xbc0
[ 1662.436805]  ? nlmsg_notify+0x1b0/0x1b0
[ 1662.440755]  ? kernel_recvmsg+0x210/0x210
[ 1662.444882]  ? security_socket_sendmsg+0x83/0xb0
[ 1662.449622]  ? nlmsg_notify+0x1b0/0x1b0
[ 1662.453586]  sock_sendmsg+0xb5/0x100
[ 1662.457282]  ___sys_sendmsg+0x6c8/0x800
[ 1662.461240]  ? get_pid_task+0x91/0x130
[ 1662.465104]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1662.469854]  ? lock_downgrade+0x740/0x740
[ 1662.473978]  ? __fget+0x23e/0x3e0
[ 1662.477408]  ? lock_acquire+0x170/0x3f0
[ 1662.481372]  ? lock_downgrade+0x740/0x740
[ 1662.485500]  ? __fget+0x265/0x3e0
[ 1662.488940]  ? __fdget+0x19b/0x1f0
[ 1662.492459]  ? sockfd_lookup_light+0xb2/0x160
[ 1662.496944]  __sys_sendmsg+0xa3/0x120
[ 1662.500732]  ? SyS_shutdown+0x160/0x160
[ 1662.504695]  ? wait_for_completion_io+0x10/0x10
[ 1662.509342]  ? SyS_read+0x210/0x210
[ 1662.512945]  ? __do_page_fault+0x159/0xad0
[ 1662.517161]  SyS_sendmsg+0x27/0x40
[ 1662.520677]  ? __sys_sendmsg+0x120/0x120
[ 1662.524714]  do_syscall_64+0x1d5/0x640
[ 1662.528581]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1662.533743] RIP: 0033:0x7f7b5cb0c0e9
[ 1662.537693] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1662.545392] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1662.552645] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1662.559900] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1662.567149] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
13:45:12 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:12 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:13 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 1)

13:45:13 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 8)

13:45:13 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async, rerun: 32)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async, rerun: 32)
r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000400), r0)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x80, r3, 0x100, 0x70bd27, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}]}, 0x80}, 0x1, 0x0, 0x0, 0x20000000}, 0x4040091) (async)
getpeername$packet(r2, 0x0, 0x0) (async, rerun: 64)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000540)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x2c, r3, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}]}, 0x2c}, 0x1, 0x0, 0x0, 0x8400}, 0x40000) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r4, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x34, r3, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x2c}}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x34}}, 0x4004000) (async)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}]}, 0x2c}}, 0x8804)

[ 1662.574397] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
[ 1662.595333] nbd: failed to add new device
[ 1662.601965] nbd: must specify at least one socket
13:45:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x54, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x54}, 0x1, 0x0, 0x0, 0x4804}, 0x800)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

[ 1662.702575] FAULT_INJECTION: forcing a failure.
[ 1662.702575] name failslab, interval 1, probability 0, space 0, times 0
[ 1662.720871] CPU: 0 PID: 6592 Comm: syz-executor.2 Not tainted 4.14.280-syzkaller #0
[ 1662.728766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1662.738114] Call Trace:
[ 1662.738499] FAULT_INJECTION: forcing a failure.
[ 1662.738499] name failslab, interval 1, probability 0, space 0, times 0
[ 1662.740700]  dump_stack+0x1b2/0x281
[ 1662.740716]  should_fail.cold+0x10a/0x149
[ 1662.740732]  should_failslab+0xd6/0x130
[ 1662.763590]  kmem_cache_alloc_node+0x263/0x410
[ 1662.768159]  __alloc_skb+0x5c/0x510
[ 1662.771785]  netlink_sendmsg+0x91e/0xbc0
[ 1662.775836]  ? nlmsg_notify+0x1b0/0x1b0
[ 1662.779798]  ? kernel_recvmsg+0x210/0x210
[ 1662.783927]  ? security_socket_sendmsg+0x83/0xb0
[ 1662.788664]  ? nlmsg_notify+0x1b0/0x1b0
[ 1662.792633]  sock_sendmsg+0xb5/0x100
[ 1662.796339]  ___sys_sendmsg+0x6c8/0x800
13:45:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

[ 1662.800299]  ? get_pid_task+0x91/0x130
[ 1662.804171]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1662.808917]  ? lock_downgrade+0x740/0x740
[ 1662.813063]  ? __fget+0x23e/0x3e0
[ 1662.816510]  ? lock_acquire+0x170/0x3f0
[ 1662.820493]  ? lock_downgrade+0x740/0x740
[ 1662.824635]  ? __fget+0x265/0x3e0
[ 1662.828081]  ? __fdget+0x19b/0x1f0
[ 1662.831612]  ? sockfd_lookup_light+0xb2/0x160
[ 1662.836103]  __sys_sendmsg+0xa3/0x120
[ 1662.839903]  ? SyS_shutdown+0x160/0x160
[ 1662.843873]  ? wait_for_completion_io+0x10/0x10
[ 1662.848536]  ? SyS_read+0x210/0x210
[ 1662.852144]  ? __do_page_fault+0x159/0xad0
[ 1662.856364]  SyS_sendmsg+0x27/0x40
[ 1662.859890]  ? __sys_sendmsg+0x120/0x120
[ 1662.863935]  do_syscall_64+0x1d5/0x640
[ 1662.867807]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1662.872980] RIP: 0033:0x7ff74bdc80e9
[ 1662.876674] RSP: 002b:00007ff74a73d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1662.884376] RAX: ffffffffffffffda RBX: 00007ff74bedaf60 RCX: 00007ff74bdc80e9
[ 1662.891633] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1662.898882] RBP: 00007ff74a73d1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1662.906131] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1662.913378] R13: 00007fff5715164f R14: 00007ff74a73d300 R15: 0000000000022000
[ 1662.920642] CPU: 1 PID: 6593 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1662.928433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1662.937776] Call Trace:
[ 1662.940361]  dump_stack+0x1b2/0x281
[ 1662.943988]  should_fail.cold+0x10a/0x149
[ 1662.948136]  should_failslab+0xd6/0x130
13:45:13 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

[ 1662.952108]  kmem_cache_alloc_node+0x263/0x410
[ 1662.956685]  __alloc_skb+0x5c/0x510
[ 1662.960310]  kobject_uevent_env+0x882/0xf30
[ 1662.964634]  device_del+0x642/0xa80
[ 1662.968258]  ? __device_links_no_driver+0x1b0/0x1b0
[ 1662.973264]  device_unregister+0x22/0xc0
[ 1662.977310]  bdi_unregister+0x42f/0x610
[ 1662.981270]  ? wb_blkcg_offline+0x180/0x180
[ 1662.985573]  del_gendisk+0x453/0x820
[ 1662.989264]  ? refcount_dec_not_one+0x75/0xc0
[ 1662.993744]  ? disk_events_poll_msecs_store+0x150/0x150
[ 1662.999093]  ? wait_for_completion_io+0x10/0x10
[ 1663.003741]  nbd_put.part.0+0xb0/0x140
[ 1663.007609]  nbd_genl_connect+0xfa9/0x1400
[ 1663.011904]  ? nbd_xmit_timeout+0x500/0x500
[ 1663.016203]  ? validate_nla+0x192/0x5e0
[ 1663.020160]  ? nla_parse+0x157/0x1f0
[ 1663.023854]  genl_family_rcv_msg+0x572/0xb20
[ 1663.028240]  ? genl_rcv+0x40/0x40
[ 1663.031678]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1663.037116]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1663.042203]  ? trace_hardirqs_on+0x10/0x10
[ 1663.046429]  genl_rcv_msg+0xaf/0x140
[ 1663.050131]  netlink_rcv_skb+0x125/0x390
[ 1663.054180]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1663.058739]  ? netlink_ack+0x9a0/0x9a0
[ 1663.062605]  ? lock_acquire+0x170/0x3f0
[ 1663.066561]  genl_rcv+0x24/0x40
[ 1663.069815]  netlink_unicast+0x437/0x610
[ 1663.073853]  ? netlink_sendskb+0xd0/0xd0
[ 1663.077895]  ? __check_object_size+0x179/0x230
[ 1663.082452]  netlink_sendmsg+0x648/0xbc0
[ 1663.086489]  ? nlmsg_notify+0x1b0/0x1b0
[ 1663.090443]  ? kernel_recvmsg+0x210/0x210
[ 1663.094577]  ? security_socket_sendmsg+0x83/0xb0
[ 1663.099313]  ? nlmsg_notify+0x1b0/0x1b0
[ 1663.103275]  sock_sendmsg+0xb5/0x100
[ 1663.106970]  ___sys_sendmsg+0x6c8/0x800
[ 1663.110926]  ? get_pid_task+0x91/0x130
[ 1663.114813]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1663.119546]  ? lock_downgrade+0x740/0x740
[ 1663.123672]  ? __fget+0x23e/0x3e0
[ 1663.127101]  ? lock_acquire+0x170/0x3f0
[ 1663.131050]  ? lock_downgrade+0x740/0x740
[ 1663.135174]  ? __fget+0x265/0x3e0
[ 1663.138606]  ? __fdget+0x19b/0x1f0
[ 1663.142124]  ? sockfd_lookup_light+0xb2/0x160
[ 1663.146595]  __sys_sendmsg+0xa3/0x120
[ 1663.150371]  ? SyS_shutdown+0x160/0x160
[ 1663.154322]  ? wait_for_completion_io+0x10/0x10
[ 1663.158968]  ? SyS_read+0x210/0x210
[ 1663.162571]  ? __do_page_fault+0x159/0xad0
[ 1663.166781]  SyS_sendmsg+0x27/0x40
[ 1663.170300]  ? __sys_sendmsg+0x120/0x120
[ 1663.174345]  do_syscall_64+0x1d5/0x640
[ 1663.178218]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1663.183403] RIP: 0033:0x7f7b5cb0c0e9
[ 1663.187087] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1663.194767] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
13:45:13 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 2)

13:45:13 executing program 3:
ioctl$TUNATTACHFILTER(0xffffffffffffffff, 0x401054d5, &(0x7f0000000180)={0x2, &(0x7f00000000c0)=[{0x1, 0xc0, 0x3f, 0x4531}, {0x7fff, 0x0, 0x6, 0x8001}]})
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x10080, 0x0)
ioctl$KVM_SET_TSS_ADDR(r2, 0xae47, 0xd000)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="82f90000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0)

13:45:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

[ 1663.202017] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1663.209261] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1663.216516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1663.223794] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
13:45:13 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:13 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 9)

13:45:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x54, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x54}, 0x1, 0x0, 0x0, 0x4804}, 0x800)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x54, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x54}, 0x1, 0x0, 0x0, 0x4804}, 0x800) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async)

13:45:13 executing program 3:
ioctl$TUNATTACHFILTER(0xffffffffffffffff, 0x401054d5, &(0x7f0000000180)={0x2, &(0x7f00000000c0)=[{0x1, 0xc0, 0x3f, 0x4531}, {0x7fff, 0x0, 0x6, 0x8001}]})
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x10080, 0x0)
ioctl$KVM_SET_TSS_ADDR(r2, 0xae47, 0xd000)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="82f90000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0)

[ 1663.306653] FAULT_INJECTION: forcing a failure.
[ 1663.306653] name failslab, interval 1, probability 0, space 0, times 0
[ 1663.333277] CPU: 1 PID: 6617 Comm: syz-executor.2 Not tainted 4.14.280-syzkaller #0
[ 1663.341092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1663.346255] nbd: must specify a size in bytes for the device
13:45:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

[ 1663.350439] Call Trace:
[ 1663.350457]  dump_stack+0x1b2/0x281
[ 1663.350471]  should_fail.cold+0x10a/0x149
[ 1663.350485]  should_failslab+0xd6/0x130
[ 1663.370549]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1663.375665]  __kmalloc_node_track_caller+0x38/0x70
[ 1663.380593]  __alloc_skb+0x96/0x510
[ 1663.384222]  netlink_sendmsg+0x91e/0xbc0
[ 1663.388282]  ? nlmsg_notify+0x1b0/0x1b0
[ 1663.392256]  ? kernel_recvmsg+0x210/0x210
[ 1663.396414]  ? security_socket_sendmsg+0x83/0xb0
[ 1663.401164]  ? nlmsg_notify+0x1b0/0x1b0
13:45:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

[ 1663.403177] nbd: must specify a size in bytes for the device
[ 1663.405132]  sock_sendmsg+0xb5/0x100
[ 1663.405144]  ___sys_sendmsg+0x6c8/0x800
[ 1663.405153]  ? get_pid_task+0x91/0x130
[ 1663.405163]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1663.405178]  ? lock_downgrade+0x740/0x740
[ 1663.431350]  ? __fget+0x23e/0x3e0
[ 1663.434809]  ? lock_acquire+0x170/0x3f0
[ 1663.438781]  ? lock_downgrade+0x740/0x740
[ 1663.442930]  ? __fget+0x265/0x3e0
[ 1663.446388]  ? __fdget+0x19b/0x1f0
[ 1663.446786] nbd: must specify a size in bytes for the device
13:45:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0xff91, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

[ 1663.449931]  ? sockfd_lookup_light+0xb2/0x160
[ 1663.449944]  __sys_sendmsg+0xa3/0x120
[ 1663.449954]  ? SyS_shutdown+0x160/0x160
[ 1663.449967]  ? wait_for_completion_io+0x10/0x10
[ 1663.449983]  ? SyS_read+0x210/0x210
[ 1663.476245]  ? __do_page_fault+0x159/0xad0
[ 1663.480476]  SyS_sendmsg+0x27/0x40
[ 1663.484010]  ? __sys_sendmsg+0x120/0x120
[ 1663.488064]  do_syscall_64+0x1d5/0x640
[ 1663.491950]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1663.497130] RIP: 0033:0x7ff74bdc80e9
13:45:13 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:13 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 3)

13:45:13 executing program 3:
ioctl$TUNATTACHFILTER(0xffffffffffffffff, 0x401054d5, &(0x7f0000000180)={0x2, &(0x7f00000000c0)=[{0x1, 0xc0, 0x3f, 0x4531}, {0x7fff, 0x0, 0x6, 0x8001}]})
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x10080, 0x0)
ioctl$KVM_SET_TSS_ADDR(r2, 0xae47, 0xd000) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB="82f90000", @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0)

13:45:13 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0xff91, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

[ 1663.500829] RSP: 002b:00007ff74a73d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1663.508531] RAX: ffffffffffffffda RBX: 00007ff74bedaf60 RCX: 00007ff74bdc80e9
[ 1663.513803] nbd: must specify at least one socket
[ 1663.515799] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1663.515805] RBP: 00007ff74a73d1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1663.515811] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1663.515817] R13: 00007fff5715164f R14: 00007ff74a73d300 R15: 0000000000022000
13:45:13 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

[ 1663.599524] FAULT_INJECTION: forcing a failure.
[ 1663.599524] name failslab, interval 1, probability 0, space 0, times 0
[ 1663.632757] CPU: 1 PID: 6646 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1663.640576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1663.649924] Call Trace:
[ 1663.652494]  dump_stack+0x1b2/0x281
[ 1663.656100]  should_fail.cold+0x10a/0x149
[ 1663.660227]  should_failslab+0xd6/0x130
[ 1663.664184]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1663.669270]  __kmalloc_node_track_caller+0x38/0x70
[ 1663.674185]  __alloc_skb+0x96/0x510
[ 1663.677801]  kobject_uevent_env+0x882/0xf30
[ 1663.682105]  device_del+0x642/0xa80
[ 1663.685710]  ? __device_links_no_driver+0x1b0/0x1b0
[ 1663.690720]  device_unregister+0x22/0xc0
[ 1663.694787]  bdi_unregister+0x42f/0x610
[ 1663.698792]  ? wb_blkcg_offline+0x180/0x180
[ 1663.703098]  del_gendisk+0x453/0x820
[ 1663.706815]  ? refcount_dec_not_one+0x75/0xc0
[ 1663.711292]  ? disk_events_poll_msecs_store+0x150/0x150
[ 1663.716647]  ? wait_for_completion_io+0x10/0x10
[ 1663.721303]  nbd_put.part.0+0xb0/0x140
[ 1663.725170]  nbd_genl_connect+0xfa9/0x1400
[ 1663.729389]  ? nbd_xmit_timeout+0x500/0x500
[ 1663.733692]  ? validate_nla+0x192/0x5e0
[ 1663.737649]  ? nla_parse+0x157/0x1f0
[ 1663.741341]  genl_family_rcv_msg+0x572/0xb20
[ 1663.745737]  ? genl_rcv+0x40/0x40
[ 1663.749170]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1663.754597]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1663.759679]  ? trace_hardirqs_on+0x10/0x10
[ 1663.763896]  genl_rcv_msg+0xaf/0x140
[ 1663.767594]  netlink_rcv_skb+0x125/0x390
[ 1663.771636]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1663.776196]  ? netlink_ack+0x9a0/0x9a0
[ 1663.780060]  ? lock_acquire+0x170/0x3f0
[ 1663.784022]  genl_rcv+0x24/0x40
[ 1663.787281]  netlink_unicast+0x437/0x610
[ 1663.791325]  ? netlink_sendskb+0xd0/0xd0
[ 1663.795369]  ? __check_object_size+0x179/0x230
[ 1663.799935]  netlink_sendmsg+0x648/0xbc0
[ 1663.804076]  ? nlmsg_notify+0x1b0/0x1b0
[ 1663.808030]  ? kernel_recvmsg+0x210/0x210
[ 1663.812155]  ? security_socket_sendmsg+0x83/0xb0
[ 1663.816884]  ? nlmsg_notify+0x1b0/0x1b0
[ 1663.820843]  sock_sendmsg+0xb5/0x100
[ 1663.824551]  ___sys_sendmsg+0x6c8/0x800
[ 1663.828512]  ? get_pid_task+0x91/0x130
[ 1663.832385]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1663.837125]  ? lock_downgrade+0x740/0x740
[ 1663.841259]  ? __fget+0x23e/0x3e0
[ 1663.844699]  ? lock_acquire+0x170/0x3f0
[ 1663.848745]  ? lock_downgrade+0x740/0x740
[ 1663.852877]  ? __fget+0x265/0x3e0
[ 1663.856320]  ? __fdget+0x19b/0x1f0
[ 1663.859839]  ? sockfd_lookup_light+0xb2/0x160
[ 1663.864313]  __sys_sendmsg+0xa3/0x120
[ 1663.868090]  ? SyS_shutdown+0x160/0x160
[ 1663.872045]  ? wait_for_completion_io+0x10/0x10
[ 1663.876695]  ? SyS_read+0x210/0x210
[ 1663.880299]  ? __do_page_fault+0x159/0xad0
[ 1663.884513]  SyS_sendmsg+0x27/0x40
[ 1663.888029]  ? __sys_sendmsg+0x120/0x120
[ 1663.892066]  do_syscall_64+0x1d5/0x640
[ 1663.895939]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1663.901107] RIP: 0033:0x7f7b5cb0c0e9
[ 1663.904794] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1663.912483] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1663.919730] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1663.926975] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1663.934226] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1663.941473] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
13:45:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 10)

13:45:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x2c}}, 0x0)

13:45:14 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:14 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x8b5eee44599b9962, 0x0)
getpeername$packet(r1, 0x0, 0x0)
ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f0000000040)={0x1e000, 0x101000})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x30}}, 0x0)

13:45:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0xff91, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0xff91, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async)

13:45:14 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x8b5eee44599b9962, 0x0)
getpeername$packet(r1, 0x0, 0x0)
ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f0000000040)={0x1e000, 0x101000})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x8b5eee44599b9962, 0x0) (async)
getpeername$packet(r1, 0x0, 0x0) (async)
ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f0000000040)={0x1e000, 0x101000}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r3) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x30}}, 0x0) (async)

13:45:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x2c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x2c}}, 0x0) (async)

13:45:14 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

[ 1664.078840] nbd: must specify a size in bytes for the device
[ 1664.117684] FAULT_INJECTION: forcing a failure.
[ 1664.117684] name failslab, interval 1, probability 0, space 0, times 0
[ 1664.135573] CPU: 1 PID: 6680 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1664.143377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1664.152734] Call Trace:
[ 1664.155323]  dump_stack+0x1b2/0x281
[ 1664.158951]  should_fail.cold+0x10a/0x149
[ 1664.163103]  should_failslab+0xd6/0x130
[ 1664.167078]  kmem_cache_alloc_node+0x263/0x410
[ 1664.171644]  __alloc_skb+0x5c/0x510
[ 1664.175349]  kobject_uevent_env+0x882/0xf30
[ 1664.179653]  device_del+0x642/0xa80
[ 1664.183268]  ? __device_links_no_driver+0x1b0/0x1b0
[ 1664.188276]  device_unregister+0x22/0xc0
[ 1664.192314]  bdi_unregister+0x42f/0x610
[ 1664.196267]  ? wb_blkcg_offline+0x180/0x180
[ 1664.200594]  del_gendisk+0x453/0x820
[ 1664.204293]  ? refcount_dec_not_one+0x75/0xc0
[ 1664.208777]  ? disk_events_poll_msecs_store+0x150/0x150
[ 1664.214130]  ? wait_for_completion_io+0x10/0x10
[ 1664.218788]  nbd_put.part.0+0xb0/0x140
[ 1664.222652]  nbd_genl_connect+0xfa9/0x1400
[ 1664.226864]  ? nbd_xmit_timeout+0x500/0x500
[ 1664.231163]  ? validate_nla+0x192/0x5e0
[ 1664.235114]  ? nla_parse+0x157/0x1f0
[ 1664.238808]  genl_family_rcv_msg+0x572/0xb20
[ 1664.243203]  ? genl_rcv+0x40/0x40
[ 1664.246635]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1664.252065]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1664.257145]  ? trace_hardirqs_on+0x10/0x10
[ 1664.261361]  genl_rcv_msg+0xaf/0x140
[ 1664.265051]  netlink_rcv_skb+0x125/0x390
[ 1664.269087]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1664.273643]  ? netlink_ack+0x9a0/0x9a0
[ 1664.277512]  ? lock_acquire+0x170/0x3f0
[ 1664.281736]  genl_rcv+0x24/0x40
[ 1664.285001]  netlink_unicast+0x437/0x610
[ 1664.289046]  ? netlink_sendskb+0xd0/0xd0
[ 1664.293098]  ? __check_object_size+0x179/0x230
[ 1664.297661]  netlink_sendmsg+0x648/0xbc0
[ 1664.301704]  ? nlmsg_notify+0x1b0/0x1b0
[ 1664.305658]  ? kernel_recvmsg+0x210/0x210
[ 1664.309791]  ? security_socket_sendmsg+0x83/0xb0
[ 1664.314591]  ? nlmsg_notify+0x1b0/0x1b0
[ 1664.318560]  sock_sendmsg+0xb5/0x100
[ 1664.322264]  ___sys_sendmsg+0x6c8/0x800
[ 1664.326226]  ? get_pid_task+0x91/0x130
[ 1664.330097]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1664.334848]  ? lock_downgrade+0x740/0x740
[ 1664.338978]  ? __fget+0x23e/0x3e0
[ 1664.342418]  ? lock_acquire+0x170/0x3f0
[ 1664.346371]  ? lock_downgrade+0x740/0x740
[ 1664.350505]  ? __fget+0x265/0x3e0
[ 1664.353967]  ? __fdget+0x19b/0x1f0
[ 1664.357495]  ? sockfd_lookup_light+0xb2/0x160
[ 1664.361977]  __sys_sendmsg+0xa3/0x120
[ 1664.365757]  ? SyS_shutdown+0x160/0x160
[ 1664.369714]  ? wait_for_completion_io+0x10/0x10
[ 1664.374365]  ? SyS_read+0x210/0x210
[ 1664.377974]  ? __do_page_fault+0x159/0xad0
[ 1664.382188]  SyS_sendmsg+0x27/0x40
[ 1664.385712]  ? __sys_sendmsg+0x120/0x120
[ 1664.389754]  do_syscall_64+0x1d5/0x640
[ 1664.393652]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1664.398821] RIP: 0033:0x7f7b5cb0c0e9
[ 1664.402507] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1664.410214] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1664.417481] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1664.424744] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1664.431994] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 1664.439257] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
13:45:14 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 11)

13:45:14 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x2c}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="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"], 0x2c}}, 0x0) (async)

13:45:14 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

13:45:14 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '}:\\\'\x17/\xf3,]\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}]}, 0x38}, 0x1, 0x0, 0x0, 0x28004000}, 0x80)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)

[ 1664.478816] nbd: must specify at least one socket
[ 1664.493207] nbd: must specify a size in bytes for the device
13:45:14 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x8b5eee44599b9962, 0x0)
getpeername$packet(r1, 0x0, 0x0)
ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f0000000040)={0x1e000, 0x101000})
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x8b5eee44599b9962, 0x0) (async)
getpeername$packet(r1, 0x0, 0x0) (async)
ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f0000000040)={0x1e000, 0x101000}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r3) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x30}}, 0x0) (async)

13:45:14 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

[ 1664.560885] FAULT_INJECTION: forcing a failure.
[ 1664.560885] name failslab, interval 1, probability 0, space 0, times 0
[ 1664.581682] CPU: 0 PID: 6720 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1664.589596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1664.598949] Call Trace:
[ 1664.601517]  dump_stack+0x1b2/0x281
[ 1664.605122]  should_fail.cold+0x10a/0x149
[ 1664.609269]  should_failslab+0xd6/0x130
[ 1664.613225]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1664.618314]  sbitmap_queue_init_node+0x27f/0x5d0
[ 1664.623065]  ? kmem_cache_alloc_node_trace+0x383/0x400
[ 1664.628335]  blk_mq_init_tags+0xf4/0x280
[ 1664.632384]  blk_mq_alloc_rq_map+0x90/0x220
[ 1664.636704]  __blk_mq_alloc_rq_map+0xa3/0x3a0
[ 1664.641190]  blk_mq_alloc_tag_set+0x4ac/0x910
[ 1664.645686]  nbd_dev_add+0x2ae/0x800
[ 1664.649387]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1664.653515]  ? ns_capable_common+0x127/0x150
[ 1664.657901]  nbd_genl_connect+0x3a4/0x1400
[ 1664.662113]  ? lock_acquire+0x170/0x3f0
[ 1664.666080]  ? nbd_xmit_timeout+0x500/0x500
[ 1664.670390]  ? validate_nla+0x192/0x5e0
[ 1664.674346]  ? nla_parse+0x157/0x1f0
[ 1664.678042]  genl_family_rcv_msg+0x572/0xb20
[ 1664.682441]  ? genl_rcv+0x40/0x40
[ 1664.685886]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1664.691349]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1664.696448]  ? trace_hardirqs_on+0x10/0x10
[ 1664.700685]  genl_rcv_msg+0xaf/0x140
[ 1664.704386]  netlink_rcv_skb+0x125/0x390
[ 1664.708430]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1664.713075]  ? netlink_ack+0x9a0/0x9a0
[ 1664.716947]  ? lock_acquire+0x170/0x3f0
[ 1664.720911]  genl_rcv+0x24/0x40
[ 1664.724182]  netlink_unicast+0x437/0x610
[ 1664.728245]  ? netlink_sendskb+0xd0/0xd0
[ 1664.732303]  ? __check_object_size+0x179/0x230
[ 1664.736878]  netlink_sendmsg+0x648/0xbc0
[ 1664.740929]  ? nlmsg_notify+0x1b0/0x1b0
[ 1664.744880]  ? kernel_recvmsg+0x210/0x210
[ 1664.749010]  ? security_socket_sendmsg+0x83/0xb0
[ 1664.753748]  ? nlmsg_notify+0x1b0/0x1b0
[ 1664.757706]  sock_sendmsg+0xb5/0x100
[ 1664.761408]  ___sys_sendmsg+0x6c8/0x800
[ 1664.765368]  ? get_pid_task+0x91/0x130
[ 1664.769239]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1664.773981]  ? lock_downgrade+0x740/0x740
[ 1664.778120]  ? __fget+0x23e/0x3e0
[ 1664.781558]  ? lock_acquire+0x170/0x3f0
[ 1664.785521]  ? lock_downgrade+0x740/0x740
[ 1664.789659]  ? __fget+0x265/0x3e0
[ 1664.793094]  ? __fdget+0x19b/0x1f0
[ 1664.796623]  ? sockfd_lookup_light+0xb2/0x160
[ 1664.801106]  __sys_sendmsg+0xa3/0x120
[ 1664.804883]  ? SyS_shutdown+0x160/0x160
[ 1664.808835]  ? wait_for_completion_io+0x10/0x10
[ 1664.813484]  ? SyS_read+0x210/0x210
[ 1664.817098]  ? __do_page_fault+0x159/0xad0
[ 1664.821318]  SyS_sendmsg+0x27/0x40
[ 1664.824838]  ? __sys_sendmsg+0x120/0x120
[ 1664.828879]  do_syscall_64+0x1d5/0x640
[ 1664.832767]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1664.837946] RIP: 0033:0x7f7b5cb0c0e9
[ 1664.841636] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1664.849339] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
13:45:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

13:45:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async, rerun: 32)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '}:\\\'\x17/\xf3,]\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}]}, 0x38}, 0x1, 0x0, 0x0, 0x28004000}, 0x80) (async, rerun: 32)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)

[ 1664.856595] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1664.864033] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1664.871297] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 1664.878639] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
[ 1664.897246] blk-mq: reduced tag depth (128 -> 64)
13:45:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '}:\\\'\x17/\xf3,]\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}]}, 0x38}, 0x1, 0x0, 0x0, 0x28004000}, 0x80)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)

13:45:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
r5 = socket(0x28, 0x80000, 0xfff)
ioctl$sock_ax25_SIOCADDRT(r5, 0x890b, &(0x7f0000000280)={@bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, 0x1, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @null, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null, @default]})
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x7c, r4, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x18}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x7c}, 0x1, 0x0, 0x0, 0x240008d0}, 0x8884)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x800)

13:45:15 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fb0000000000000001050001000100800c00020000000000000000000c0006000100000000000000"], 0x30}}, 0x0)

13:45:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 12)

13:45:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x24}}, 0x0)

[ 1664.958927] nbd: must specify a size in bytes for the device
13:45:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
r5 = socket(0x28, 0x80000, 0xfff)
ioctl$sock_ax25_SIOCADDRT(r5, 0x890b, &(0x7f0000000280)={@bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, 0x1, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @null, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null, @default]})
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x7c, r4, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x18}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x7c}, 0x1, 0x0, 0x0, 0x240008d0}, 0x8884) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x800)

13:45:15 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fb0000000000000001050001000100800c00020000000000000000000c0006000100000000000000"], 0x30}}, 0x0)

13:45:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
r5 = socket(0x28, 0x80000, 0xfff)
ioctl$sock_ax25_SIOCADDRT(r5, 0x890b, &(0x7f0000000280)={@bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, 0x1, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @null, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null, @default]})
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x7c, r4, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x18}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x7c}, 0x1, 0x0, 0x0, 0x240008d0}, 0x8884)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x800)

[ 1665.031122] nla_parse: 8 callbacks suppressed
[ 1665.031128] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1665.045429] nbd: must specify at least one socket
[ 1665.081121] FAULT_INJECTION: forcing a failure.
[ 1665.081121] name failslab, interval 1, probability 0, space 0, times 0
[ 1665.106206] CPU: 0 PID: 6759 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1665.114022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1665.123396] Call Trace:
[ 1665.125974]  dump_stack+0x1b2/0x281
[ 1665.129589]  should_fail.cold+0x10a/0x149
[ 1665.133722]  should_failslab+0xd6/0x130
[ 1665.137677]  kmem_cache_alloc_node+0x263/0x410
[ 1665.142244]  __alloc_skb+0x5c/0x510
[ 1665.145851]  kobject_uevent_env+0x882/0xf30
[ 1665.150163]  device_del+0x642/0xa80
[ 1665.153774]  ? __device_links_no_driver+0x1b0/0x1b0
[ 1665.158767]  device_unregister+0x22/0xc0
[ 1665.162810]  bdi_unregister+0x42f/0x610
[ 1665.166768]  ? wb_blkcg_offline+0x180/0x180
[ 1665.171088]  del_gendisk+0x453/0x820
[ 1665.174788]  ? refcount_dec_not_one+0x75/0xc0
[ 1665.179261]  ? disk_events_poll_msecs_store+0x150/0x150
[ 1665.184695]  ? wait_for_completion_io+0x10/0x10
[ 1665.189350]  nbd_put.part.0+0xb0/0x140
[ 1665.193221]  nbd_genl_connect+0xfa9/0x1400
[ 1665.197434]  ? nbd_xmit_timeout+0x500/0x500
[ 1665.201747]  ? validate_nla+0x192/0x5e0
[ 1665.205707]  ? nla_parse+0x157/0x1f0
[ 1665.209418]  genl_family_rcv_msg+0x572/0xb20
[ 1665.213804]  ? genl_rcv+0x40/0x40
[ 1665.217242]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1665.222781]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1665.227871]  ? trace_hardirqs_on+0x10/0x10
[ 1665.232096]  genl_rcv_msg+0xaf/0x140
[ 1665.235787]  netlink_rcv_skb+0x125/0x390
[ 1665.239832]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1665.244392]  ? netlink_ack+0x9a0/0x9a0
[ 1665.248259]  ? lock_acquire+0x170/0x3f0
[ 1665.252211]  genl_rcv+0x24/0x40
[ 1665.255466]  netlink_unicast+0x437/0x610
[ 1665.259504]  ? netlink_sendskb+0xd0/0xd0
[ 1665.263545]  ? __check_object_size+0x179/0x230
[ 1665.268102]  netlink_sendmsg+0x648/0xbc0
[ 1665.272144]  ? nlmsg_notify+0x1b0/0x1b0
[ 1665.276144]  ? kernel_recvmsg+0x210/0x210
[ 1665.280272]  ? security_socket_sendmsg+0x83/0xb0
[ 1665.285005]  ? nlmsg_notify+0x1b0/0x1b0
[ 1665.288963]  sock_sendmsg+0xb5/0x100
[ 1665.292658]  ___sys_sendmsg+0x6c8/0x800
[ 1665.296614]  ? get_pid_task+0x91/0x130
[ 1665.300477]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1665.305216]  ? lock_downgrade+0x740/0x740
[ 1665.309349]  ? __fget+0x23e/0x3e0
[ 1665.312780]  ? lock_acquire+0x170/0x3f0
[ 1665.316735]  ? lock_downgrade+0x740/0x740
[ 1665.320860]  ? __fget+0x265/0x3e0
[ 1665.324294]  ? __fdget+0x19b/0x1f0
[ 1665.327810]  ? sockfd_lookup_light+0xb2/0x160
[ 1665.332285]  __sys_sendmsg+0xa3/0x120
[ 1665.336072]  ? SyS_shutdown+0x160/0x160
[ 1665.340052]  ? wait_for_completion_io+0x10/0x10
[ 1665.344717]  ? SyS_read+0x210/0x210
[ 1665.348321]  ? __do_page_fault+0x159/0xad0
[ 1665.352636]  SyS_sendmsg+0x27/0x40
[ 1665.356155]  ? __sys_sendmsg+0x120/0x120
[ 1665.360193]  do_syscall_64+0x1d5/0x640
[ 1665.364068]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1665.369241] RIP: 0033:0x7f7b5cb0c0e9
[ 1665.372938] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
13:45:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0)
r5 = socket(0x28, 0x80000, 0xfff)
ioctl$sock_ax25_SIOCADDRT(r5, 0x890b, &(0x7f0000000280)={@bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, 0x1, [@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @null, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @null, @default]}) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x7c, r4, 0x4, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x18}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x7c}, 0x1, 0x0, 0x0, 0x240008d0}, 0x8884) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x800)

13:45:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

[ 1665.380637] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1665.387900] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1665.395160] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1665.402505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 1665.409755] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
13:45:15 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100fb0000000000000001050001000100800c00020000000000000000000c0006000100000000000000"], 0x30}}, 0x0)

13:45:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, 0x0, 0x100, 0x70bd2a, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, '}:\\\'\x17/\xf3,]\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}]}, 0x38}, 0x1, 0x0, 0x0, 0x28004000}, 0x80)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)

13:45:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:15 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 13)

13:45:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x40, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xa, 0x1, '/^\xda{]\x00'}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x40}, 0x1, 0x0, 0x0, 0x4080}, 0x4000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:15 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
ioctl$KVM_CAP_DISABLE_QUIRKS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000180)={0x74, 0x0, 0xe})
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000500)={0x14}, 0x14}}, 0x0)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x48, r5, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xc, 0x1, '&*{W-[}\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x4)
getpeername$packet(r3, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x40, r2, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x40}}, 0x0)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, r5, 0x614, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x11}, 0x21)

13:45:15 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="30060000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00060000000000000000000c000200000000000000000004000780"], 0x30}}, 0x0)

13:45:15 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x30}}, 0x0)

[ 1665.531548] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
[ 1665.549138] nbd: must specify at least one socket
[ 1665.555992] nbd: must specify at least one socket
[ 1665.576326] nbd: must specify at least one socket
13:45:15 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:15 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x40, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xa, 0x1, '/^\xda{]\x00'}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x40}, 0x1, 0x0, 0x0, 0x4080}, 0x4000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

[ 1665.591757] FAULT_INJECTION: forcing a failure.
[ 1665.591757] name failslab, interval 1, probability 0, space 0, times 0
[ 1665.624743] CPU: 1 PID: 6802 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1665.632559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1665.641911] Call Trace:
[ 1665.644500]  dump_stack+0x1b2/0x281
[ 1665.648129]  should_fail.cold+0x10a/0x149
[ 1665.652282]  should_failslab+0xd6/0x130
[ 1665.656263]  kmem_cache_alloc_node+0x263/0x410
[ 1665.660985]  __alloc_skb+0x5c/0x510
[ 1665.664595]  kobject_uevent_env+0x882/0xf30
[ 1665.668903]  device_del+0x642/0xa80
[ 1665.672514]  ? __device_links_no_driver+0x1b0/0x1b0
[ 1665.677511]  device_unregister+0x22/0xc0
[ 1665.681554]  bdi_unregister+0x42f/0x610
[ 1665.685508]  ? wb_blkcg_offline+0x180/0x180
[ 1665.689822]  del_gendisk+0x453/0x820
[ 1665.693524]  ? refcount_dec_not_one+0x75/0xc0
[ 1665.698001]  ? disk_events_poll_msecs_store+0x150/0x150
[ 1665.703359]  ? wait_for_completion_io+0x10/0x10
[ 1665.708030]  nbd_put.part.0+0xb0/0x140
[ 1665.711901]  nbd_genl_connect+0xfa9/0x1400
[ 1665.716119]  ? nbd_xmit_timeout+0x500/0x500
[ 1665.720438]  ? validate_nla+0x192/0x5e0
[ 1665.724402]  ? nla_parse+0x157/0x1f0
[ 1665.728106]  genl_family_rcv_msg+0x572/0xb20
[ 1665.732496]  ? genl_rcv+0x40/0x40
[ 1665.735929]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1665.741360]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1665.746448]  ? trace_hardirqs_on+0x10/0x10
[ 1665.750678]  genl_rcv_msg+0xaf/0x140
[ 1665.754383]  netlink_rcv_skb+0x125/0x390
[ 1665.758440]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1665.763007]  ? netlink_ack+0x9a0/0x9a0
[ 1665.766885]  ? lock_acquire+0x170/0x3f0
[ 1665.771633]  genl_rcv+0x24/0x40
[ 1665.774899]  netlink_unicast+0x437/0x610
[ 1665.779027]  ? netlink_sendskb+0xd0/0xd0
[ 1665.783161]  ? __check_object_size+0x179/0x230
[ 1665.787730]  netlink_sendmsg+0x648/0xbc0
[ 1665.791775]  ? nlmsg_notify+0x1b0/0x1b0
[ 1665.795731]  ? kernel_recvmsg+0x210/0x210
[ 1665.799955]  ? security_socket_sendmsg+0x83/0xb0
[ 1665.805035]  ? nlmsg_notify+0x1b0/0x1b0
[ 1665.808986]  sock_sendmsg+0xb5/0x100
[ 1665.812682]  ___sys_sendmsg+0x6c8/0x800
[ 1665.816642]  ? get_pid_task+0x91/0x130
[ 1665.820516]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1665.825253]  ? lock_downgrade+0x740/0x740
[ 1665.829391]  ? __fget+0x23e/0x3e0
[ 1665.832829]  ? lock_acquire+0x170/0x3f0
[ 1665.836791]  ? lock_downgrade+0x740/0x740
[ 1665.840920]  ? __fget+0x265/0x3e0
[ 1665.844362]  ? __fdget+0x19b/0x1f0
[ 1665.847886]  ? sockfd_lookup_light+0xb2/0x160
[ 1665.852360]  __sys_sendmsg+0xa3/0x120
[ 1665.856144]  ? SyS_shutdown+0x160/0x160
[ 1665.860097]  ? wait_for_completion_io+0x10/0x10
[ 1665.864757]  ? SyS_read+0x210/0x210
[ 1665.868378]  ? __do_page_fault+0x159/0xad0
[ 1665.872596]  SyS_sendmsg+0x27/0x40
[ 1665.876117]  ? __sys_sendmsg+0x120/0x120
[ 1665.880170]  do_syscall_64+0x1d5/0x640
[ 1665.884042]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1665.889210] RIP: 0033:0x7f7b5cb0c0e9
[ 1665.892903] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1665.900595] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1665.907845] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1665.915101] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1665.922358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 1665.929615] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
13:45:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="30060000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00060000000000000000000c000200000000000000000004000780"], 0x30}}, 0x0)

13:45:16 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
ioctl$KVM_CAP_DISABLE_QUIRKS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000180)={0x74, 0x0, 0xe}) (async)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000500)={0x14}, 0x14}}, 0x0) (async)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x48, r5, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xc, 0x1, '&*{W-[}\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x4) (async)
getpeername$packet(r3, 0x0, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x40, r2, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x40}}, 0x0) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, r5, 0x614, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x11}, 0x21)

13:45:16 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r1)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000180)={0x54, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x54}, 0x1, 0x0, 0x0, 0x4804}, 0x800)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x40, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xa, 0x1, '/^\xda{]\x00'}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x40}, 0x1, 0x0, 0x0, 0x4080}, 0x4000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)

13:45:16 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 14)

13:45:16 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x2c}}, 0x0)

13:45:16 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
ioctl$KVM_CAP_DISABLE_QUIRKS(0xffffffffffffffff, 0x4068aea3, &(0x7f0000000180)={0x74, 0x0, 0xe}) (async)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_ADD(r4, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000500)={0x14}, 0x14}}, 0x0)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r4)
sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x48, r5, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0xc, 0x1, '&*{W-[}\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1a}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x48}, 0x1, 0x0, 0x0, 0x800}, 0x4)
getpeername$packet(r3, 0x0, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x40, r2, 0x400, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}]}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x40}}, 0x0) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x1c, r5, 0x614, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x11}, 0x21)

[ 1666.069223] nbd: must specify at least one socket
13:45:16 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, ':\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000d1}, 0x890)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)
setsockopt$inet_tcp_TCP_FASTOPEN_KEY(0xffffffffffffffff, 0x6, 0x21, &(0x7f0000000240)="c3e9f6feaf36ef67dd75f2c8970442f4", 0x10)

13:45:16 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="30060000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00060000000000000000000c000200000000000000000004000780"], 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="30060000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c00060000000000000000000c000200000000000000000004000780"], 0x30}}, 0x0) (async)

[ 1666.090395] FAULT_INJECTION: forcing a failure.
[ 1666.090395] name failslab, interval 1, probability 0, space 0, times 0
[ 1666.122352] CPU: 1 PID: 6848 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1666.130254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
13:45:16 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 1)

[ 1666.139601] Call Trace:
[ 1666.142192]  dump_stack+0x1b2/0x281
[ 1666.145820]  should_fail.cold+0x10a/0x149
[ 1666.149967]  should_failslab+0xd6/0x130
[ 1666.153938]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1666.159039]  __kmalloc_node+0x38/0x70
[ 1666.162837]  blk_mq_alloc_rq_map+0xd2/0x220
[ 1666.167152]  __blk_mq_alloc_rq_map+0xa3/0x3a0
[ 1666.171650]  blk_mq_alloc_tag_set+0x4ac/0x910
[ 1666.176148]  nbd_dev_add+0x2ae/0x800
[ 1666.179861]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1666.184008]  ? ns_capable_common+0x127/0x150
[ 1666.188411]  nbd_genl_connect+0x3a4/0x1400
[ 1666.192638]  ? lock_acquire+0x170/0x3f0
[ 1666.196601]  ? nbd_xmit_timeout+0x500/0x500
[ 1666.201084]  ? validate_nla+0x192/0x5e0
[ 1666.205044]  ? nla_parse+0x157/0x1f0
[ 1666.208742]  genl_family_rcv_msg+0x572/0xb20
[ 1666.213130]  ? genl_rcv+0x40/0x40
[ 1666.216569]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1666.222008]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1666.227092]  ? trace_hardirqs_on+0x10/0x10
[ 1666.231319]  genl_rcv_msg+0xaf/0x140
[ 1666.234781] FAULT_INJECTION: forcing a failure.
[ 1666.234781] name failslab, interval 1, probability 0, space 0, times 0
[ 1666.235027]  netlink_rcv_skb+0x125/0x390
[ 1666.250238]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1666.254807]  ? netlink_ack+0x9a0/0x9a0
[ 1666.258684]  ? lock_acquire+0x170/0x3f0
[ 1666.262661]  genl_rcv+0x24/0x40
[ 1666.265933]  netlink_unicast+0x437/0x610
[ 1666.269977]  ? netlink_sendskb+0xd0/0xd0
[ 1666.274022]  ? __check_object_size+0x179/0x230
[ 1666.278589]  netlink_sendmsg+0x648/0xbc0
[ 1666.282637]  ? nlmsg_notify+0x1b0/0x1b0
[ 1666.286596]  ? kernel_recvmsg+0x210/0x210
[ 1666.290730]  ? security_socket_sendmsg+0x83/0xb0
[ 1666.295480]  ? nlmsg_notify+0x1b0/0x1b0
[ 1666.299526]  sock_sendmsg+0xb5/0x100
[ 1666.303223]  ___sys_sendmsg+0x6c8/0x800
[ 1666.307181]  ? get_pid_task+0x91/0x130
[ 1666.311143]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1666.315890]  ? lock_downgrade+0x740/0x740
[ 1666.320023]  ? __fget+0x23e/0x3e0
[ 1666.323464]  ? lock_acquire+0x170/0x3f0
[ 1666.327423]  ? lock_downgrade+0x740/0x740
[ 1666.331608]  ? __fget+0x265/0x3e0
[ 1666.335061]  ? __fdget+0x19b/0x1f0
[ 1666.338588]  ? sockfd_lookup_light+0xb2/0x160
[ 1666.343073]  __sys_sendmsg+0xa3/0x120
[ 1666.346853]  ? SyS_shutdown+0x160/0x160
[ 1666.350820]  ? wait_for_completion_io+0x10/0x10
[ 1666.355487]  ? SyS_read+0x210/0x210
[ 1666.359096]  ? __do_page_fault+0x159/0xad0
[ 1666.363312]  SyS_sendmsg+0x27/0x40
[ 1666.366833]  ? __sys_sendmsg+0x120/0x120
[ 1666.370901]  do_syscall_64+0x1d5/0x640
[ 1666.374793]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1666.379966] RIP: 0033:0x7f7b5cb0c0e9
[ 1666.383655] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1666.391345] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1666.398601] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1666.405883] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1666.413229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 1666.420483] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
[ 1666.427897] CPU: 0 PID: 6867 Comm: syz-executor.5 Not tainted 4.14.280-syzkaller #0
[ 1666.433493] blk-mq: reduced tag depth (128 -> 64)
[ 1666.435688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1666.435692] Call Trace:
[ 1666.435707]  dump_stack+0x1b2/0x281
[ 1666.435721]  should_fail.cold+0x10a/0x149
[ 1666.435734]  should_failslab+0xd6/0x130
[ 1666.435744]  kmem_cache_alloc_node+0x263/0x410
[ 1666.435756]  __alloc_skb+0x5c/0x510
[ 1666.472353]  netlink_sendmsg+0x91e/0xbc0
[ 1666.476414]  ? nlmsg_notify+0x1b0/0x1b0
[ 1666.480384]  ? kernel_recvmsg+0x210/0x210
[ 1666.484537]  ? security_socket_sendmsg+0x83/0xb0
[ 1666.489293]  ? nlmsg_notify+0x1b0/0x1b0
[ 1666.493258]  sock_sendmsg+0xb5/0x100
[ 1666.496951]  ___sys_sendmsg+0x6c8/0x800
[ 1666.500910]  ? get_pid_task+0x91/0x130
[ 1666.504779]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1666.509516]  ? lock_downgrade+0x740/0x740
[ 1666.513643]  ? __fget+0x23e/0x3e0
[ 1666.517074]  ? lock_acquire+0x170/0x3f0
[ 1666.521328]  ? lock_downgrade+0x740/0x740
[ 1666.525467]  ? __fget+0x265/0x3e0
[ 1666.528907]  ? __fdget+0x19b/0x1f0
[ 1666.532424]  ? sockfd_lookup_light+0xb2/0x160
[ 1666.536896]  __sys_sendmsg+0xa3/0x120
[ 1666.540682]  ? SyS_shutdown+0x160/0x160
[ 1666.544645]  ? wait_for_completion_io+0x10/0x10
[ 1666.549294]  ? SyS_read+0x210/0x210
[ 1666.552911]  ? __do_page_fault+0x159/0xad0
[ 1666.557126]  SyS_sendmsg+0x27/0x40
[ 1666.560650]  ? __sys_sendmsg+0x120/0x120
[ 1666.564689]  do_syscall_64+0x1d5/0x640
[ 1666.568567]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1666.573747] RIP: 0033:0x7f13fe7280e9
[ 1666.577450] RSP: 002b:00007f13fd07c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1666.585261] RAX: ffffffffffffffda RBX: 00007f13fe83b030 RCX: 00007f13fe7280e9
[ 1666.592525] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1666.599792] RBP: 00007f13fd07c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1666.607050] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1666.614309] R13: 00007ffc891ae9bf R14: 00007f13fd07c300 R15: 0000000000022000
13:45:17 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, ':\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000d1}, 0x890)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)
setsockopt$inet_tcp_TCP_FASTOPEN_KEY(0xffffffffffffffff, 0x6, 0x21, &(0x7f0000000240)="c3e9f6feaf36ef67dd75f2c8970442f4", 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, ':\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000d1}, 0x890) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async)
setsockopt$inet_tcp_TCP_FASTOPEN_KEY(0xffffffffffffffff, 0x6, 0x21, &(0x7f0000000240)="c3e9f6feaf36ef67dd75f2c8970442f4", 0x10) (async)

13:45:17 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 2)

13:45:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 1)

13:45:17 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2400c891}, 0x8011)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f00000003c0)={0x14, r4, 0x309}, 0x14}, 0x1, 0x0, 0x0, 0x4000050}, 0x0)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f0000000480)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3c5e2dbd43c0c152ce537000fbd6df25050000000d7aaa6e0002020000"], 0x20}, 0x1, 0x0, 0x0, 0x20000004}, 0x20000000)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r4, @ANYBLOB="0002033379eac5372501000000ffff0c00"/35], 0x1c}, 0x1, 0x0, 0x0, 0x88000}, 0x4)

13:45:17 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
ioctl$KVM_GET_NR_MMU_PAGES(0xffffffffffffffff, 0xae45, 0x401)

13:45:17 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 15)

13:45:17 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
ioctl$KVM_GET_NR_MMU_PAGES(0xffffffffffffffff, 0xae45, 0x401)

[ 1666.778128] FAULT_INJECTION: forcing a failure.
[ 1666.778128] name failslab, interval 1, probability 0, space 0, times 0
[ 1666.790617] CPU: 0 PID: 6882 Comm: syz-executor.0 Not tainted 4.14.280-syzkaller #0
[ 1666.798419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1666.807769] Call Trace:
[ 1666.810380]  dump_stack+0x1b2/0x281
[ 1666.814010]  should_fail.cold+0x10a/0x149
[ 1666.815750] FAULT_INJECTION: forcing a failure.
[ 1666.815750] name failslab, interval 1, probability 0, space 0, times 0
[ 1666.818160]  should_failslab+0xd6/0x130
[ 1666.818174]  kmem_cache_alloc_node+0x263/0x410
[ 1666.818192]  __alloc_skb+0x5c/0x510
[ 1666.841483]  netlink_sendmsg+0x91e/0xbc0
[ 1666.845535]  ? nlmsg_notify+0x1b0/0x1b0
[ 1666.849505]  ? kernel_recvmsg+0x210/0x210
[ 1666.853692]  ? security_socket_sendmsg+0x83/0xb0
[ 1666.858432]  ? nlmsg_notify+0x1b0/0x1b0
[ 1666.862396]  sock_sendmsg+0xb5/0x100
[ 1666.866096]  ___sys_sendmsg+0x6c8/0x800
[ 1666.870059]  ? get_pid_task+0x91/0x130
[ 1666.873927]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1666.878672]  ? lock_downgrade+0x740/0x740
[ 1666.882810]  ? __fget+0x23e/0x3e0
[ 1666.886253]  ? lock_acquire+0x170/0x3f0
[ 1666.890216]  ? lock_downgrade+0x740/0x740
[ 1666.894352]  ? __fget+0x265/0x3e0
[ 1666.897822]  ? __fdget+0x19b/0x1f0
[ 1666.901351]  ? sockfd_lookup_light+0xb2/0x160
[ 1666.905831]  __sys_sendmsg+0xa3/0x120
[ 1666.909625]  ? SyS_shutdown+0x160/0x160
[ 1666.913771]  ? wait_for_completion_io+0x10/0x10
[ 1666.918432]  ? SyS_read+0x210/0x210
[ 1666.922043]  ? __do_page_fault+0x159/0xad0
[ 1666.926265]  SyS_sendmsg+0x27/0x40
[ 1666.929791]  ? __sys_sendmsg+0x120/0x120
[ 1666.933834]  do_syscall_64+0x1d5/0x640
[ 1666.937710]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1666.942879] RIP: 0033:0x7fea493c00e9
[ 1666.946575] RSP: 002b:00007fea47d35168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1666.954307] RAX: ffffffffffffffda RBX: 00007fea494d2f60 RCX: 00007fea493c00e9
[ 1666.961563] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1666.968817] RBP: 00007fea47d351d0 R08: 0000000000000000 R09: 0000000000000000
[ 1666.976067] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1666.983321] R13: 00007ffc5f41daaf R14: 00007fea47d35300 R15: 0000000000022000
[ 1666.990585] CPU: 1 PID: 6897 Comm: syz-executor.5 Not tainted 4.14.280-syzkaller #0
[ 1666.998372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1667.007720] Call Trace:
[ 1667.010306]  dump_stack+0x1b2/0x281
[ 1667.013954]  should_fail.cold+0x10a/0x149
[ 1667.018090]  should_failslab+0xd6/0x130
[ 1667.022044]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1667.027129]  __kmalloc_node_track_caller+0x38/0x70
[ 1667.032047]  __alloc_skb+0x96/0x510
[ 1667.035664]  netlink_sendmsg+0x91e/0xbc0
[ 1667.039717]  ? nlmsg_notify+0x1b0/0x1b0
[ 1667.043678]  ? kernel_recvmsg+0x210/0x210
[ 1667.047813]  ? security_socket_sendmsg+0x83/0xb0
[ 1667.052547]  ? nlmsg_notify+0x1b0/0x1b0
[ 1667.056497]  sock_sendmsg+0xb5/0x100
[ 1667.060188]  ___sys_sendmsg+0x6c8/0x800
[ 1667.064228]  ? get_pid_task+0x91/0x130
[ 1667.068095]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1667.072830]  ? lock_downgrade+0x740/0x740
[ 1667.076957]  ? __fget+0x23e/0x3e0
[ 1667.080388]  ? lock_acquire+0x170/0x3f0
[ 1667.084340]  ? lock_downgrade+0x740/0x740
[ 1667.088475]  ? __fget+0x265/0x3e0
[ 1667.091916]  ? __fdget+0x19b/0x1f0
[ 1667.095440]  ? sockfd_lookup_light+0xb2/0x160
[ 1667.099914]  __sys_sendmsg+0xa3/0x120
[ 1667.103713]  ? SyS_shutdown+0x160/0x160
[ 1667.107759]  ? wait_for_completion_io+0x10/0x10
[ 1667.112410]  ? SyS_read+0x210/0x210
[ 1667.116023]  ? __do_page_fault+0x159/0xad0
[ 1667.120243]  SyS_sendmsg+0x27/0x40
[ 1667.123770]  ? __sys_sendmsg+0x120/0x120
[ 1667.127817]  do_syscall_64+0x1d5/0x640
[ 1667.131716]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1667.136894] RIP: 0033:0x7f13fe7280e9
[ 1667.140593] RSP: 002b:00007f13fd07c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1667.148367] RAX: ffffffffffffffda RBX: 00007f13fe83b030 RCX: 00007f13fe7280e9
[ 1667.155821] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1667.163076] RBP: 00007f13fd07c1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1667.170325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
13:45:17 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 2)

[ 1667.177577] R13: 00007ffc891ae9bf R14: 00007f13fd07c300 R15: 0000000000022000
[ 1667.186588] FAULT_INJECTION: forcing a failure.
[ 1667.186588] name failslab, interval 1, probability 0, space 0, times 0
[ 1667.199053] CPU: 1 PID: 6890 Comm: syz-executor.4 Not tainted 4.14.280-syzkaller #0
[ 1667.206936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1667.216281] Call Trace:
[ 1667.218876]  dump_stack+0x1b2/0x281
[ 1667.222503]  should_fail.cold+0x10a/0x149
[ 1667.226650]  should_failslab+0xd6/0x130
[ 1667.230623]  kmem_cache_alloc_node+0x263/0x410
[ 1667.235206]  __alloc_skb+0x5c/0x510
[ 1667.238835]  kobject_uevent_env+0x882/0xf30
[ 1667.243153]  device_del+0x642/0xa80
[ 1667.246770]  ? __device_links_no_driver+0x1b0/0x1b0
[ 1667.251784]  device_unregister+0x22/0xc0
[ 1667.255836]  bdi_unregister+0x42f/0x610
[ 1667.259795]  ? wb_blkcg_offline+0x180/0x180
[ 1667.264112]  del_gendisk+0x453/0x820
[ 1667.267807]  ? refcount_dec_not_one+0x75/0xc0
[ 1667.272290]  ? disk_events_poll_msecs_store+0x150/0x150
[ 1667.277657]  ? wait_for_completion_io+0x10/0x10
[ 1667.282315]  nbd_put.part.0+0xb0/0x140
[ 1667.286183]  nbd_genl_connect+0xfa9/0x1400
[ 1667.290400]  ? nbd_xmit_timeout+0x500/0x500
[ 1667.294702]  ? validate_nla+0x192/0x5e0
[ 1667.298656]  ? nla_parse+0x157/0x1f0
[ 1667.302351]  genl_family_rcv_msg+0x572/0xb20
[ 1667.306744]  ? genl_rcv+0x40/0x40
[ 1667.310180]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1667.315611]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1667.320715]  ? trace_hardirqs_on+0x10/0x10
[ 1667.324948]  genl_rcv_msg+0xaf/0x140
[ 1667.328667]  netlink_rcv_skb+0x125/0x390
[ 1667.332723]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1667.337289]  ? netlink_ack+0x9a0/0x9a0
[ 1667.341155]  ? lock_acquire+0x170/0x3f0
[ 1667.345110]  genl_rcv+0x24/0x40
[ 1667.348367]  netlink_unicast+0x437/0x610
[ 1667.352405]  ? netlink_sendskb+0xd0/0xd0
[ 1667.356451] FAULT_INJECTION: forcing a failure.
[ 1667.356451] name failslab, interval 1, probability 0, space 0, times 0
[ 1667.367621]  ? __check_object_size+0x179/0x230
[ 1667.372203]  netlink_sendmsg+0x648/0xbc0
[ 1667.376265]  ? nlmsg_notify+0x1b0/0x1b0
[ 1667.380226]  ? kernel_recvmsg+0x210/0x210
[ 1667.384365]  ? security_socket_sendmsg+0x83/0xb0
[ 1667.389102]  ? nlmsg_notify+0x1b0/0x1b0
[ 1667.393076]  sock_sendmsg+0xb5/0x100
[ 1667.396772]  ___sys_sendmsg+0x6c8/0x800
[ 1667.400728]  ? get_pid_task+0x91/0x130
[ 1667.404602]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1667.409448]  ? lock_downgrade+0x740/0x740
[ 1667.413591]  ? __fget+0x23e/0x3e0
[ 1667.417029]  ? lock_acquire+0x170/0x3f0
[ 1667.420993]  ? lock_downgrade+0x740/0x740
[ 1667.425129]  ? __fget+0x265/0x3e0
[ 1667.428568]  ? __fdget+0x19b/0x1f0
[ 1667.432089]  ? sockfd_lookup_light+0xb2/0x160
[ 1667.436567]  __sys_sendmsg+0xa3/0x120
[ 1667.440354]  ? SyS_shutdown+0x160/0x160
[ 1667.444313]  ? wait_for_completion_io+0x10/0x10
[ 1667.449067]  ? SyS_read+0x210/0x210
[ 1667.452678]  ? __do_page_fault+0x159/0xad0
[ 1667.456896]  SyS_sendmsg+0x27/0x40
[ 1667.460432]  ? __sys_sendmsg+0x120/0x120
[ 1667.464512]  do_syscall_64+0x1d5/0x640
[ 1667.468393]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1667.473566] RIP: 0033:0x7f7b5cb0c0e9
[ 1667.477258] RSP: 002b:00007f7b5b481168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1667.484952] RAX: ffffffffffffffda RBX: 00007f7b5cc1ef60 RCX: 00007f7b5cb0c0e9
[ 1667.492211] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1667.499467] RBP: 00007f7b5b4811d0 R08: 0000000000000000 R09: 0000000000000000
[ 1667.506729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 1667.514240] R13: 00007ffcfdaeff6f R14: 00007f7b5b481300 R15: 0000000000022000
[ 1667.521511] CPU: 0 PID: 6908 Comm: syz-executor.0 Not tainted 4.14.280-syzkaller #0
[ 1667.529320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1667.538666] Call Trace:
[ 1667.541258]  dump_stack+0x1b2/0x281
[ 1667.544886]  should_fail.cold+0x10a/0x149
[ 1667.549027]  should_failslab+0xd6/0x130
[ 1667.552999]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1667.558084]  __kmalloc_node_track_caller+0x38/0x70
[ 1667.562995]  __alloc_skb+0x96/0x510
[ 1667.566602]  netlink_sendmsg+0x91e/0xbc0
[ 1667.570640]  ? nlmsg_notify+0x1b0/0x1b0
[ 1667.574591]  ? kernel_recvmsg+0x210/0x210
[ 1667.578718]  ? security_socket_sendmsg+0x83/0xb0
[ 1667.583537]  ? nlmsg_notify+0x1b0/0x1b0
[ 1667.587498]  sock_sendmsg+0xb5/0x100
[ 1667.591190]  ___sys_sendmsg+0x6c8/0x800
[ 1667.595148]  ? get_pid_task+0x91/0x130
[ 1667.599100]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1667.603835]  ? lock_downgrade+0x740/0x740
[ 1667.607963]  ? __fget+0x23e/0x3e0
[ 1667.611397]  ? lock_acquire+0x170/0x3f0
[ 1667.615353]  ? lock_downgrade+0x740/0x740
[ 1667.619491]  ? __fget+0x265/0x3e0
[ 1667.622925]  ? __fdget+0x19b/0x1f0
[ 1667.626456]  ? sockfd_lookup_light+0xb2/0x160
[ 1667.630934]  __sys_sendmsg+0xa3/0x120
[ 1667.634740]  ? SyS_shutdown+0x160/0x160
[ 1667.638700]  ? wait_for_completion_io+0x10/0x10
[ 1667.643351]  ? SyS_read+0x210/0x210
[ 1667.646965]  ? __do_page_fault+0x159/0xad0
[ 1667.651178]  SyS_sendmsg+0x27/0x40
[ 1667.654696]  ? __sys_sendmsg+0x120/0x120
[ 1667.658735]  do_syscall_64+0x1d5/0x640
[ 1667.662606]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1667.667770] RIP: 0033:0x7fea493c00e9
[ 1667.671461] RSP: 002b:00007fea47d35168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
13:45:18 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2400c891}, 0x8011)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f00000003c0)={0x14, r4, 0x309}, 0x14}, 0x1, 0x0, 0x0, 0x4000050}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f0000000480)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3c5e2dbd43c0c152ce537000fbd6df25050000000d7aaa6e0002020000"], 0x20}, 0x1, 0x0, 0x0, 0x20000004}, 0x20000000)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r4, @ANYBLOB="0002033379eac5372501000000ffff0c00"/35], 0x1c}, 0x1, 0x0, 0x0, 0x88000}, 0x4)

13:45:18 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
ioctl$KVM_GET_NR_MMU_PAGES(0xffffffffffffffff, 0xae45, 0x401)

13:45:18 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 3)

13:45:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, 0x0, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004804}, 0x24000040)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1667.679153] RAX: ffffffffffffffda RBX: 00007fea494d2f60 RCX: 00007fea493c00e9
[ 1667.686401] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000005
[ 1667.693648] RBP: 00007fea47d351d0 R08: 0000000000000000 R09: 0000000000000000
[ 1667.700900] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1667.708150] R13: 00007ffc5f41daaf R14: 00007fea47d35300 R15: 0000000000022000
13:45:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, 0x0, 0x401, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, ':\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000d1}, 0x890) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async, rerun: 64)
setsockopt$inet_tcp_TCP_FASTOPEN_KEY(0xffffffffffffffff, 0x6, 0x21, &(0x7f0000000240)="c3e9f6feaf36ef67dd75f2c8970442f4", 0x10) (rerun: 64)

13:45:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 3)

13:45:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0)
sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, 0x0, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004804}, 0x24000040)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, 0x0, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004804}, 0x24000040) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)

13:45:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r3, 0x0, 0x0)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
r5 = socket(0x21, 0x1, 0x20000000)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x58}, 0x1, 0x0, 0x0, 0x800}, 0x40001)

13:45:18 executing program 2:
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r0, 0x0, 0x0)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r0, 0x4068aea3, &(0x7f0000000180))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x30}}, 0x0)

[ 1667.910135] FAULT_INJECTION: forcing a failure.
[ 1667.910135] name failslab, interval 1, probability 0, space 0, times 0
[ 1667.936297] CPU: 0 PID: 6926 Comm: syz-executor.5 Not tainted 4.14.280-syzkaller #0
[ 1667.944107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1667.953459] Call Trace:
[ 1667.956054]  dump_stack+0x1b2/0x281
13:45:18 executing program 1:
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x1c, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x2400c891}, 0x8011) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r3)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000300)={&(0x7f0000000340), 0xc, &(0x7f00000002c0)={&(0x7f00000003c0)={0x14, r4, 0x309}, 0x14}, 0x1, 0x0, 0x0, 0x4000050}, 0x0) (async)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000400)={&(0x7f0000000480)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r2, @ANYBLOB="3c5e2dbd43c0c152ce537000fbd6df25050000000d7aaa6e0002020000"], 0x20}, 0x1, 0x0, 0x0, 0x20000004}, 0x20000000) (async)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000280)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r4, @ANYBLOB="0002033379eac5372501000000ffff0c00"/35], 0x1c}, 0x1, 0x0, 0x0, 0x88000}, 0x4)

13:45:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, 0x0, 0x800, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x80)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0)

[ 1667.959682]  should_fail.cold+0x10a/0x149
[ 1667.963833]  should_failslab+0xd6/0x130
[ 1667.967808]  kmem_cache_alloc_trace+0x29a/0x3d0
[ 1667.972492]  nbd_dev_add+0x7c/0x800
[ 1667.976119]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1667.980275]  ? ns_capable_common+0x127/0x150
[ 1667.984686]  nbd_genl_connect+0x3a4/0x1400
[ 1667.988921]  ? nbd_xmit_timeout+0x500/0x500
[ 1667.993243]  ? __mutex_lock+0x356/0x1310
[ 1667.997303]  ? validate_nla+0x192/0x5e0
[ 1668.001268]  ? nla_parse+0x157/0x1f0
[ 1668.004969]  genl_family_rcv_msg+0x572/0xb20
[ 1668.009364]  ? genl_rcv+0x40/0x40
[ 1668.012801]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1668.018238]  ? trace_hardirqs_on+0x10/0x10
[ 1668.022461]  genl_rcv_msg+0xaf/0x140
[ 1668.026174]  netlink_rcv_skb+0x125/0x390
[ 1668.030227]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1668.034797]  ? netlink_ack+0x9a0/0x9a0
[ 1668.038667]  ? lock_acquire+0x170/0x3f0
[ 1668.042624]  genl_rcv+0x24/0x40
[ 1668.045896]  netlink_unicast+0x437/0x610
[ 1668.049946]  ? netlink_sendskb+0xd0/0xd0
[ 1668.053987]  ? __check_object_size+0x179/0x230
[ 1668.058558]  netlink_sendmsg+0x648/0xbc0
[ 1668.062598]  ? nlmsg_notify+0x1b0/0x1b0
[ 1668.066556]  ? kernel_recvmsg+0x210/0x210
[ 1668.070699]  ? security_socket_sendmsg+0x83/0xb0
[ 1668.075449]  ? nlmsg_notify+0x1b0/0x1b0
[ 1668.079428]  sock_sendmsg+0xb5/0x100
[ 1668.083130]  ___sys_sendmsg+0x6c8/0x800
[ 1668.087094]  ? get_pid_task+0x91/0x130
[ 1668.090971]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1668.095726]  ? lock_downgrade+0x740/0x740
[ 1668.099855]  ? __fget+0x23e/0x3e0
[ 1668.103290]  ? lock_acquire+0x170/0x3f0
[ 1668.107253]  ? lock_downgrade+0x740/0x740
[ 1668.111389]  ? __fget+0x265/0x3e0
[ 1668.114822]  ? __fdget+0x19b/0x1f0
[ 1668.118345]  ? sockfd_lookup_light+0xb2/0x160
[ 1668.122820]  __sys_sendmsg+0xa3/0x120
[ 1668.126609]  ? SyS_shutdown+0x160/0x160
[ 1668.130571]  ? wait_for_completion_io+0x10/0x10
[ 1668.135228]  ? SyS_read+0x210/0x210
[ 1668.138834]  ? __do_page_fault+0x159/0xad0
[ 1668.143049]  SyS_sendmsg+0x27/0x40
[ 1668.146575]  ? __sys_sendmsg+0x120/0x120
[ 1668.150628]  do_syscall_64+0x1d5/0x640
[ 1668.154507]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1668.159678] RIP: 0033:0x7f13fe7280e9
[ 1668.163378] RSP: 002b:00007f13fd09d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1668.171064] RAX: ffffffffffffffda RBX: 00007f13fe83af60 RCX: 00007f13fe7280e9
[ 1668.178311] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1668.185567] RBP: 00007f13fd09d1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1668.192826] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1668.200081] R13: 00007ffc891ae9bf R14: 00007f13fd09d300 R15: 0000000000022000
13:45:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r3, 0x0, 0x0) (async)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0) (async)
r5 = socket(0x21, 0x1, 0x20000000) (async)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x58}, 0x1, 0x0, 0x0, 0x800}, 0x40001)

13:45:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x14}, 0x14}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, 0x0, 0x200, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004804}, 0x24000040)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, 0x0, 0x800, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x80) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0)

13:45:18 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 4)

13:45:18 executing program 2:
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r0, 0x0, 0x0) (async)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r0, 0x4068aea3, &(0x7f0000000180))
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x30}}, 0x0)

13:45:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r3, 0x0, 0x0)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0)
openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x3, 0x0)
r5 = syz_open_dev$sg(&(0x7f0000000180), 0x2, 0x30101)
ioctl$SG_GET_LOW_DMA(r5, 0x227a, &(0x7f00000001c0))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x70, r2, 0x400, 0x0, 0x2, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'NLBL_MGMT\x00'}]}, 0x70}}, 0x0)

[ 1668.209574] nbd: failed to add new device
13:45:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r3, 0x0, 0x0) (async)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0) (async)
r5 = socket(0x21, 0x1, 0x20000000)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x58, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r3}, {0x8, 0x1, r4}, {0x8, 0x1, r5}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x58}, 0x1, 0x0, 0x0, 0x800}, 0x40001)

13:45:18 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x50, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x4)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYRES64=r1, @ANYRES32=r0, @ANYBLOB="00022cbd7000fcdbdf2501000000080002000700000008000800ac1414bb0800020003000000080001006e626400"], 0x34}, 0x1, 0x0, 0x0, 0x40040}, 0x4010)
ioctl$VFIO_SET_IOMMU(0xffffffffffffffff, 0x3b66, 0x5)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x20000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
ioctl$VFIO_GET_API_VERSION(0xffffffffffffffff, 0x3b64)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB="1c6a34ee1100007e", @ANYRES16=0x0, @ANYBLOB="010027bd7000fcdbdf250500000008000c0001000000"], 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x44000)

13:45:18 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, 0x0, 0x800, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x80)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x3c, 0x0, 0x800, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x80) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='@\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) (async)

13:45:18 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r3, 0x0, 0x0)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x3, 0x0) (async)
r5 = syz_open_dev$sg(&(0x7f0000000180), 0x2, 0x30101)
ioctl$SG_GET_LOW_DMA(r5, 0x227a, &(0x7f00000001c0))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x70, r2, 0x400, 0x0, 0x2, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'NLBL_MGMT\x00'}]}, 0x70}}, 0x0)

13:45:18 executing program 2:
r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r0, 0x0, 0x0) (async)
ioctl$KVM_CAP_SPLIT_IRQCHIP(r0, 0x4068aea3, &(0x7f0000000180)) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}]}, 0x30}}, 0x0)

[ 1668.337805] nbd: must specify a size in bytes for the device
[ 1668.355859] FAULT_INJECTION: forcing a failure.
[ 1668.355859] name failslab, interval 1, probability 0, space 0, times 0
[ 1668.387505] CPU: 1 PID: 6980 Comm: syz-executor.5 Not tainted 4.14.280-syzkaller #0
[ 1668.395316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1668.404667] Call Trace:
[ 1668.407283]  dump_stack+0x1b2/0x281
[ 1668.410913]  should_fail.cold+0x10a/0x149
[ 1668.415076]  should_failslab+0xd6/0x130
[ 1668.419054]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1668.424162]  alloc_disk_node+0x5d/0x3d0
[ 1668.428147]  nbd_dev_add+0x9f/0x800
[ 1668.431771]  ? nbd_send_cmd+0x11f0/0x11f0
13:45:18 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r2, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3ff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x20008080)
openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000440)='/proc/asound/card2/oss_mixer\x00', 0x404000, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000480), r4)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100), r1)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x6c, r5, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x22}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010102}]}, 0x6c}, 0x1, 0x0, 0x0, 0x41}, 0x40000)
sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)={0x58, r5, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}]}, 0x58}, 0x1, 0x0, 0x0, 0x4010}, 0x40004)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r6)

[ 1668.435915]  ? ns_capable_common+0x127/0x150
[ 1668.440334]  nbd_genl_connect+0x3a4/0x1400
[ 1668.444583]  ? nbd_xmit_timeout+0x500/0x500
[ 1668.448901]  ? __mutex_lock+0x356/0x1310
[ 1668.452959]  ? validate_nla+0x192/0x5e0
[ 1668.456936]  ? nla_parse+0x157/0x1f0
[ 1668.460665]  genl_family_rcv_msg+0x572/0xb20
[ 1668.465072]  ? genl_rcv+0x40/0x40
[ 1668.468524]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1668.473967]  ? trace_hardirqs_on+0x10/0x10
[ 1668.478184]  genl_rcv_msg+0xaf/0x140
[ 1668.481885]  netlink_rcv_skb+0x125/0x390
[ 1668.485946]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1668.490511]  ? netlink_ack+0x9a0/0x9a0
[ 1668.494392]  ? lock_acquire+0x170/0x3f0
[ 1668.498362]  genl_rcv+0x24/0x40
[ 1668.501626]  netlink_unicast+0x437/0x610
[ 1668.505696]  ? netlink_sendskb+0xd0/0xd0
[ 1668.509827]  ? __check_object_size+0x179/0x230
[ 1668.514392]  netlink_sendmsg+0x648/0xbc0
[ 1668.518448]  ? nlmsg_notify+0x1b0/0x1b0
[ 1668.522408]  ? kernel_recvmsg+0x210/0x210
[ 1668.526539]  ? security_socket_sendmsg+0x83/0xb0
[ 1668.531272]  ? nlmsg_notify+0x1b0/0x1b0
[ 1668.535224]  sock_sendmsg+0xb5/0x100
[ 1668.538917]  ___sys_sendmsg+0x6c8/0x800
[ 1668.542869]  ? get_pid_task+0x91/0x130
[ 1668.546736]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1668.551476]  ? lock_downgrade+0x740/0x740
[ 1668.555616]  ? __fget+0x23e/0x3e0
[ 1668.559067]  ? lock_acquire+0x170/0x3f0
[ 1668.563075]  ? lock_downgrade+0x740/0x740
[ 1668.567207]  ? __fget+0x265/0x3e0
[ 1668.570648]  ? __fdget+0x19b/0x1f0
[ 1668.574176]  ? sockfd_lookup_light+0xb2/0x160
[ 1668.578649]  __sys_sendmsg+0xa3/0x120
[ 1668.582430]  ? SyS_shutdown+0x160/0x160
[ 1668.586504]  ? wait_for_completion_io+0x10/0x10
[ 1668.591251]  ? SyS_read+0x210/0x210
[ 1668.594864]  ? __do_page_fault+0x159/0xad0
[ 1668.599080]  SyS_sendmsg+0x27/0x40
[ 1668.602602]  ? __sys_sendmsg+0x120/0x120
[ 1668.606649]  do_syscall_64+0x1d5/0x640
[ 1668.610531]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1668.615899] RIP: 0033:0x7f13fe7280e9
[ 1668.619696] RSP: 002b:00007f13fd09d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1668.627384] RAX: ffffffffffffffda RBX: 00007f13fe83af60 RCX: 00007f13fe7280e9
13:45:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x28080200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000000}, 0x58000)

13:45:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r2, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3ff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x20008080)
openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000440)='/proc/asound/card2/oss_mixer\x00', 0x404000, 0x0) (async, rerun: 64)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000480), r4)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100), r1)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x6c, r5, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x22}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010102}]}, 0x6c}, 0x1, 0x0, 0x0, 0x41}, 0x40000) (async)
sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)={0x58, r5, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}]}, 0x58}, 0x1, 0x0, 0x0, 0x4010}, 0x40004)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r6)

13:45:19 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x5c, 0x0, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24000000}, 0xc011)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYRES32=r4, @ANYRESOCT=r0, @ANYRES32=r3], 0x30}}, 0x4000001)

13:45:19 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 5)

13:45:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x50, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x4)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYRES64=r1, @ANYRES32=r0, @ANYBLOB="00022cbd7000fcdbdf2501000000080002000700000008000800ac1414bb0800020003000000080001006e626400"], 0x34}, 0x1, 0x0, 0x0, 0x40040}, 0x4010)
ioctl$VFIO_SET_IOMMU(0xffffffffffffffff, 0x3b66, 0x5)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x20000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
ioctl$VFIO_GET_API_VERSION(0xffffffffffffffff, 0x3b64)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB="1c6a34ee1100007e", @ANYRES16=0x0, @ANYBLOB="010027bd7000fcdbdf250500000008000c0001000000"], 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x44000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x50, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYRES64=r1, @ANYRES32=r0, @ANYBLOB="00022cbd7000fcdbdf2501000000080002000700000008000800ac1414bb0800020003000000080001006e626400"], 0x34}, 0x1, 0x0, 0x0, 0x40040}, 0x4010) (async)
ioctl$VFIO_SET_IOMMU(0xffffffffffffffff, 0x3b66, 0x5) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x20000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
ioctl$VFIO_GET_API_VERSION(0xffffffffffffffff, 0x3b64) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB="1c6a34ee1100007e", @ANYRES16=0x0, @ANYBLOB="010027bd7000fcdbdf250500000008000c0001000000"], 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x44000) (async)

13:45:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r3, 0x0, 0x0)
r4 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r4, 0x0, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x3, 0x0)
r5 = syz_open_dev$sg(&(0x7f0000000180), 0x2, 0x30101)
ioctl$SG_GET_LOW_DMA(r5, 0x227a, &(0x7f00000001c0))
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x70, r2, 0x400, 0x0, 0x2, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x0, 0xa, 'NLBL_MGMT\x00'}]}, 0x70}}, 0x0)

[ 1668.634658] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1668.641913] RBP: 00007f13fd09d1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1668.649197] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1668.656533] R13: 00007ffc891ae9bf R14: 00007f13fd09d300 R15: 0000000000022000
[ 1668.665595] nbd: failed to add new device
13:45:19 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x5c, 0x0, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24000000}, 0xc011)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00'})
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYRES32=r4, @ANYRESOCT=r0, @ANYRES32=r3], 0x30}}, 0x4000001)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x5c, 0x0, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24000000}, 0xc011) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async)
socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
socket$nl_generic(0x10, 0x3, 0x10) (async)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYRES32=r4, @ANYRESOCT=r0, @ANYRES32=r3], 0x30}}, 0x4000001) (async)

13:45:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

[ 1668.780853] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 1668.792496] nbd: must specify at least one socket
[ 1668.797974] FAULT_INJECTION: forcing a failure.
[ 1668.797974] name failslab, interval 1, probability 0, space 0, times 0
[ 1668.817071] CPU: 1 PID: 7031 Comm: syz-executor.5 Not tainted 4.14.280-syzkaller #0
[ 1668.825047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1668.834484] Call Trace:
[ 1668.837054]  dump_stack+0x1b2/0x281
[ 1668.840660]  should_fail.cold+0x10a/0x149
[ 1668.844793]  should_failslab+0xd6/0x130
[ 1668.848869]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1668.853958]  __kmalloc_node+0x38/0x70
[ 1668.857760]  disk_expand_part_tbl+0x17a/0x340
[ 1668.862422]  alloc_disk_node+0xf1/0x3d0
[ 1668.866488]  nbd_dev_add+0x9f/0x800
[ 1668.870093]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1668.874222]  ? ns_capable_common+0x127/0x150
[ 1668.878610]  nbd_genl_connect+0x3a4/0x1400
[ 1668.882849]  ? nbd_xmit_timeout+0x500/0x500
[ 1668.887153]  ? __mutex_lock+0x356/0x1310
[ 1668.891193]  ? validate_nla+0x192/0x5e0
[ 1668.895149]  ? nla_parse+0x157/0x1f0
[ 1668.898854]  genl_family_rcv_msg+0x572/0xb20
[ 1668.903244]  ? genl_rcv+0x40/0x40
[ 1668.906676]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1668.912104]  ? trace_hardirqs_on+0x10/0x10
[ 1668.916320]  genl_rcv_msg+0xaf/0x140
[ 1668.920014]  netlink_rcv_skb+0x125/0x390
[ 1668.924056]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1668.928618]  ? netlink_ack+0x9a0/0x9a0
[ 1668.932483]  ? lock_acquire+0x170/0x3f0
[ 1668.936435]  genl_rcv+0x24/0x40
[ 1668.939692]  netlink_unicast+0x437/0x610
[ 1668.943730]  ? netlink_sendskb+0xd0/0xd0
[ 1668.947767]  ? __check_object_size+0x179/0x230
[ 1668.952325]  netlink_sendmsg+0x648/0xbc0
[ 1668.956365]  ? nlmsg_notify+0x1b0/0x1b0
[ 1668.960314]  ? kernel_recvmsg+0x210/0x210
[ 1668.964437]  ? security_socket_sendmsg+0x83/0xb0
[ 1668.969168]  ? nlmsg_notify+0x1b0/0x1b0
[ 1668.973117]  sock_sendmsg+0xb5/0x100
[ 1668.976808]  ___sys_sendmsg+0x6c8/0x800
[ 1668.980816]  ? get_pid_task+0x91/0x130
[ 1668.984682]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1668.989416]  ? lock_downgrade+0x740/0x740
[ 1668.993541]  ? __fget+0x23e/0x3e0
[ 1668.996970]  ? lock_acquire+0x170/0x3f0
[ 1669.000920]  ? lock_downgrade+0x740/0x740
[ 1669.005049]  ? __fget+0x265/0x3e0
[ 1669.008482]  ? __fdget+0x19b/0x1f0
[ 1669.011999]  ? sockfd_lookup_light+0xb2/0x160
[ 1669.016472]  __sys_sendmsg+0xa3/0x120
[ 1669.020250]  ? SyS_shutdown+0x160/0x160
[ 1669.024200]  ? wait_for_completion_io+0x10/0x10
[ 1669.028848]  ? SyS_read+0x210/0x210
[ 1669.032463]  ? __do_page_fault+0x159/0xad0
[ 1669.036686]  SyS_sendmsg+0x27/0x40
[ 1669.040204]  ? __sys_sendmsg+0x120/0x120
[ 1669.044243]  do_syscall_64+0x1d5/0x640
[ 1669.048120]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1669.053286] RIP: 0033:0x7f13fe7280e9
[ 1669.056973] RSP: 002b:00007f13fd09d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1669.064668] RAX: ffffffffffffffda RBX: 00007f13fe83af60 RCX: 00007f13fe7280e9
[ 1669.071913] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
13:45:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x38, r2, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3ff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x800}, 0x20008080)
openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000440)='/proc/asound/card2/oss_mixer\x00', 0x404000, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000480), r4)
r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100), r1)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000400)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x6c, r5, 0x100, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x22}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010102}]}, 0x6c}, 0x1, 0x0, 0x0, 0x41}, 0x40000)
sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)={0x58, r5, 0x400, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}]}, 0x58}, 0x1, 0x0, 0x0, 0x4010}, 0x40004) (async)
r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r6)

13:45:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x50, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x4)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYRES64=r1, @ANYRES32=r0, @ANYBLOB="00022cbd7000fcdbdf2501000000080002000700000008000800ac1414bb0800020003000000080001006e626400"], 0x34}, 0x1, 0x0, 0x0, 0x40040}, 0x4010)
ioctl$VFIO_SET_IOMMU(0xffffffffffffffff, 0x3b66, 0x5)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x20000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
ioctl$VFIO_GET_API_VERSION(0xffffffffffffffff, 0x3b64)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB="1c6a34ee1100007e", @ANYRES16=0x0, @ANYBLOB="010027bd7000fcdbdf250500000008000c0001000000"], 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x44000)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x50, 0x0, 0x400, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010101}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}]}, 0x50}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYRES64=r1, @ANYRES32=r0, @ANYBLOB="00022cbd7000fcdbdf2501000000080002000700000008000800ac1414bb0800020003000000080001006e626400"], 0x34}, 0x1, 0x0, 0x0, 0x40040}, 0x4010) (async)
ioctl$VFIO_SET_IOMMU(0xffffffffffffffff, 0x3b66, 0x5) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS, @NBD_ATTR_BLOCK_SIZE_BYTES={0x0, 0x3, 0x20000000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
ioctl$VFIO_GET_API_VERSION(0xffffffffffffffff, 0x3b64) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000280)={&(0x7f0000000440)=ANY=[@ANYBLOB="1c6a34ee1100007e", @ANYRES16=0x0, @ANYBLOB="010027bd7000fcdbdf250500000008000c0001000000"], 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x44000) (async)

[ 1669.079162] RBP: 00007f13fd09d1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1669.086406] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1669.093651] R13: 00007ffc891ae9bf R14: 00007f13fd09d300 R15: 0000000000022000
[ 1669.109430] nbd: failed to add new device
13:45:19 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 6)

13:45:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async)

13:45:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x28080200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000000}, 0x58000)

13:45:19 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x5c, 0x0, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xa}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24000000}, 0xc011) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) (async)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r3, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_vcan(r4, 0x8933, &(0x7f0000000680)={'vcan0\x00'}) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYRES32=r4, @ANYRESOCT=r0, @ANYRES32=r3], 0x30}}, 0x4000001)

13:45:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}}, 0x0)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x6c, r5, 0x2, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xfffffffffffffdc5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffc3f1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000080}, 0x1)

13:45:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='F\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x20048010)

[ 1669.143336] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
[ 1669.152591] nbd: must specify at least one socket
[ 1669.203938] FAULT_INJECTION: forcing a failure.
[ 1669.203938] name failslab, interval 1, probability 0, space 0, times 0
[ 1669.218894] CPU: 0 PID: 7084 Comm: syz-executor.5 Not tainted 4.14.280-syzkaller #0
[ 1669.226790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1669.236239] Call Trace:
[ 1669.238808]  dump_stack+0x1b2/0x281
[ 1669.242431]  should_fail.cold+0x10a/0x149
[ 1669.246558]  should_failslab+0xd6/0x130
[ 1669.250512]  kmem_cache_alloc_trace+0x29a/0x3d0
[ 1669.255174]  rand_initialize_disk+0x3b/0xc0
[ 1669.259486]  alloc_disk_node+0x1f7/0x3d0
[ 1669.263530]  nbd_dev_add+0x9f/0x800
[ 1669.267138]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1669.271269]  ? ns_capable_common+0x127/0x150
[ 1669.275675]  nbd_genl_connect+0x3a4/0x1400
[ 1669.279987]  ? lock_acquire+0x170/0x3f0
[ 1669.283943]  ? nbd_xmit_timeout+0x500/0x500
[ 1669.288245]  ? validate_nla+0x192/0x5e0
[ 1669.292208]  ? nla_parse+0x157/0x1f0
[ 1669.295912]  genl_family_rcv_msg+0x572/0xb20
[ 1669.300335]  ? genl_rcv+0x40/0x40
[ 1669.303770]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1669.309218]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1669.314325]  ? trace_hardirqs_on+0x10/0x10
[ 1669.318545]  genl_rcv_msg+0xaf/0x140
[ 1669.322235]  netlink_rcv_skb+0x125/0x390
[ 1669.326286]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1669.330862]  ? netlink_ack+0x9a0/0x9a0
[ 1669.334744]  ? lock_acquire+0x170/0x3f0
[ 1669.338698]  genl_rcv+0x24/0x40
[ 1669.341956]  netlink_unicast+0x437/0x610
[ 1669.345995]  ? netlink_sendskb+0xd0/0xd0
[ 1669.350034]  ? __check_object_size+0x179/0x230
[ 1669.354594]  netlink_sendmsg+0x648/0xbc0
[ 1669.358654]  ? nlmsg_notify+0x1b0/0x1b0
[ 1669.362606]  ? kernel_recvmsg+0x210/0x210
[ 1669.366731]  ? security_socket_sendmsg+0x83/0xb0
[ 1669.371465]  ? nlmsg_notify+0x1b0/0x1b0
[ 1669.375431]  sock_sendmsg+0xb5/0x100
[ 1669.379135]  ___sys_sendmsg+0x6c8/0x800
[ 1669.383088]  ? get_pid_task+0x91/0x130
[ 1669.386964]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1669.391711]  ? lock_downgrade+0x740/0x740
[ 1669.395837]  ? __fget+0x23e/0x3e0
[ 1669.399272]  ? lock_acquire+0x170/0x3f0
[ 1669.403224]  ? lock_downgrade+0x740/0x740
[ 1669.407378]  ? __fget+0x265/0x3e0
[ 1669.410826]  ? __fdget+0x19b/0x1f0
[ 1669.414345]  ? sockfd_lookup_light+0xb2/0x160
[ 1669.418817]  __sys_sendmsg+0xa3/0x120
[ 1669.422595]  ? SyS_shutdown+0x160/0x160
[ 1669.426548]  ? wait_for_completion_io+0x10/0x10
[ 1669.431200]  ? SyS_read+0x210/0x210
[ 1669.434805]  ? __do_page_fault+0x159/0xad0
[ 1669.439018]  SyS_sendmsg+0x27/0x40
[ 1669.442536]  ? __sys_sendmsg+0x120/0x120
[ 1669.446574]  do_syscall_64+0x1d5/0x640
[ 1669.450443]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1669.455608] RIP: 0033:0x7f13fe7280e9
[ 1669.459293] RSP: 002b:00007f13fd09d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1669.466979] RAX: ffffffffffffffda RBX: 00007f13fe83af60 RCX: 00007f13fe7280e9
[ 1669.474227] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1669.481474] RBP: 00007f13fd09d1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1669.488755] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1669.496005] R13: 00007ffc891ae9bf R14: 00007f13fd09d300 R15: 0000000000022000
13:45:19 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x24000004)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:19 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00', @ANYRES16=r3, @ANYBLOB="0100000000000000000001000000040007800c0002000000000000000000"], 0x24}}, 0x0) (async)
sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x28080200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000000}, 0x58000)

13:45:19 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}}, 0x0) (async)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0) (async)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x6c, r5, 0x2, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xfffffffffffffdc5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffc3f1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000080}, 0x1)

13:45:19 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:19 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 7)

13:45:19 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='F\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x20048010)

13:45:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)
ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82)

[ 1669.640960] FAULT_INJECTION: forcing a failure.
[ 1669.640960] name failslab, interval 1, probability 0, space 0, times 0
[ 1669.671104] CPU: 1 PID: 7116 Comm: syz-executor.5 Not tainted 4.14.280-syzkaller #0
[ 1669.678914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1669.688263] Call Trace:
[ 1669.690852]  dump_stack+0x1b2/0x281
[ 1669.694474]  should_fail.cold+0x10a/0x149
[ 1669.698615]  should_failslab+0xd6/0x130
[ 1669.702591]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1669.707687]  __kmalloc_node+0x38/0x70
[ 1669.711470]  blk_mq_alloc_tag_set+0x27c/0x910
[ 1669.715948]  nbd_dev_add+0x2ae/0x800
[ 1669.719638]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1669.723763]  ? ns_capable_common+0x127/0x150
[ 1669.728159]  nbd_genl_connect+0x3a4/0x1400
[ 1669.732375]  ? lock_acquire+0x170/0x3f0
[ 1669.736335]  ? nbd_xmit_timeout+0x500/0x500
[ 1669.740636]  ? validate_nla+0x192/0x5e0
[ 1669.744598]  ? nla_parse+0x157/0x1f0
[ 1669.748295]  genl_family_rcv_msg+0x572/0xb20
[ 1669.752685]  ? genl_rcv+0x40/0x40
[ 1669.756126]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1669.761591]  ? __kmalloc_node_track_caller+0x4c/0x70
[ 1669.766675]  ? trace_hardirqs_on+0x10/0x10
[ 1669.770891]  genl_rcv_msg+0xaf/0x140
[ 1669.774583]  netlink_rcv_skb+0x125/0x390
[ 1669.778653]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1669.783231]  ? netlink_ack+0x9a0/0x9a0
[ 1669.787100]  ? lock_acquire+0x170/0x3f0
[ 1669.791058]  genl_rcv+0x24/0x40
[ 1669.794318]  netlink_unicast+0x437/0x610
[ 1669.798365]  ? netlink_sendskb+0xd0/0xd0
[ 1669.802405]  ? __check_object_size+0x179/0x230
[ 1669.806974]  netlink_sendmsg+0x648/0xbc0
[ 1669.811025]  ? nlmsg_notify+0x1b0/0x1b0
[ 1669.814976]  ? kernel_recvmsg+0x210/0x210
[ 1669.819108]  ? security_socket_sendmsg+0x83/0xb0
[ 1669.823847]  ? nlmsg_notify+0x1b0/0x1b0
[ 1669.827970]  sock_sendmsg+0xb5/0x100
[ 1669.831665]  ___sys_sendmsg+0x6c8/0x800
[ 1669.835616]  ? get_pid_task+0x91/0x130
[ 1669.839481]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1669.844218]  ? lock_downgrade+0x740/0x740
[ 1669.848356]  ? __fget+0x23e/0x3e0
[ 1669.851789]  ? lock_acquire+0x170/0x3f0
[ 1669.855749]  ? lock_downgrade+0x740/0x740
[ 1669.859885]  ? __fget+0x265/0x3e0
[ 1669.863318]  ? __fdget+0x19b/0x1f0
[ 1669.866851]  ? sockfd_lookup_light+0xb2/0x160
[ 1669.871333]  __sys_sendmsg+0xa3/0x120
[ 1669.875116]  ? SyS_shutdown+0x160/0x160
[ 1669.879080]  ? wait_for_completion_io+0x10/0x10
[ 1669.883733]  ? SyS_read+0x210/0x210
[ 1669.887351]  ? __do_page_fault+0x159/0xad0
[ 1669.893044]  SyS_sendmsg+0x27/0x40
[ 1669.896571]  ? __sys_sendmsg+0x120/0x120
[ 1669.900610]  do_syscall_64+0x1d5/0x640
[ 1669.904500]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1669.909669] RIP: 0033:0x7f13fe7280e9
[ 1669.913360] RSP: 002b:00007f13fd09d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1669.921056] RAX: ffffffffffffffda RBX: 00007f13fe83af60 RCX: 00007f13fe7280e9
[ 1669.928310] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1669.935558] RBP: 00007f13fd09d1d0 R08: 0000000000000000 R09: 0000000000000000
13:45:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}}, 0x0) (async)
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x6c, r5, 0x2, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xfffffffffffffdc5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x24}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffc3f1}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000080}, 0x1)

13:45:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)=ANY=[@ANYBLOB='F\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="0100000000000000000001000000040007800c00020000000000000000000c0006000100000000000000"], 0x30}, 0x1, 0x0, 0x0, 0x800}, 0x20048010)

13:45:20 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x24000004) (async)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1669.942804] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1669.950052] R13: 00007ffc891ae9bf R14: 00007f13fd09d300 R15: 0000000000022000
[ 1669.959177] nbd: failed to add new device
13:45:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 8)

13:45:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x34, r2, 0x0, 0x70bd27, 0xe2, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x44000}, 0x20000000)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x58, 0x0, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x58}, 0x1, 0x0, 0x0, 0x40080}, 0x4000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x200, 0x0, 0x1, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)
ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82)

13:45:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, 0x0, 0x4, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44000}, 0x8004)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:20 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), 0xffffffffffffffff)
sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000200)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x2c, r2, 0x100, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4}, 0x24000004)
r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x34, r2, 0x0, 0x70bd27, 0xe2, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x44000}, 0x20000000)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x58, 0x0, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x58}, 0x1, 0x0, 0x0, 0x40080}, 0x4000)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x200, 0x0, 0x1, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x34, r2, 0x0, 0x70bd27, 0xe2, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x44000}, 0x20000000) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x58, 0x0, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x58}, 0x1, 0x0, 0x0, 0x40080}, 0x4000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x200, 0x0, 0x1, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async)

13:45:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000080}, 0x24008800)

[ 1670.179818] FAULT_INJECTION: forcing a failure.
[ 1670.179818] name failslab, interval 1, probability 0, space 0, times 0
[ 1670.200060] CPU: 0 PID: 7148 Comm: syz-executor.5 Not tainted 4.14.280-syzkaller #0
[ 1670.207865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1670.217208] Call Trace:
[ 1670.219779]  dump_stack+0x1b2/0x281
[ 1670.223405]  should_fail.cold+0x10a/0x149
[ 1670.227544]  should_failslab+0xd6/0x130
[ 1670.231588]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1670.236679]  __kmalloc_node_track_caller+0x38/0x70
[ 1670.241597]  __alloc_skb+0x96/0x510
[ 1670.245207]  kobject_uevent_env+0x882/0xf30
[ 1670.249511]  ? is_acpi_device_node+0x5b/0x70
[ 1670.253898]  device_del+0x642/0xa80
[ 1670.257526]  ? __device_links_no_driver+0x1b0/0x1b0
[ 1670.262535]  device_unregister+0x22/0xc0
[ 1670.266575]  bdi_unregister+0x42f/0x610
[ 1670.270528]  ? wb_blkcg_offline+0x180/0x180
[ 1670.274836]  del_gendisk+0x453/0x820
[ 1670.278539]  ? refcount_dec_not_one+0x75/0xc0
[ 1670.283014]  ? disk_events_poll_msecs_store+0x150/0x150
[ 1670.288360]  ? wait_for_completion_io+0x10/0x10
[ 1670.293008]  nbd_put.part.0+0xb0/0x140
[ 1670.296877]  nbd_genl_connect+0xfa9/0x1400
[ 1670.301095]  ? nbd_xmit_timeout+0x500/0x500
[ 1670.305396]  ? __mutex_lock+0x356/0x1310
[ 1670.309436]  ? validate_nla+0x192/0x5e0
[ 1670.313395]  ? nla_parse+0x157/0x1f0
[ 1670.317095]  genl_family_rcv_msg+0x572/0xb20
[ 1670.321486]  ? genl_rcv+0x40/0x40
[ 1670.324924]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1670.330357]  ? trace_hardirqs_on+0x10/0x10
[ 1670.334582]  genl_rcv_msg+0xaf/0x140
[ 1670.338277]  netlink_rcv_skb+0x125/0x390
[ 1670.342322]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1670.346891]  ? netlink_ack+0x9a0/0x9a0
[ 1670.350761]  ? lock_acquire+0x170/0x3f0
[ 1670.354722]  genl_rcv+0x24/0x40
[ 1670.358086]  netlink_unicast+0x437/0x610
[ 1670.362139]  ? netlink_sendskb+0xd0/0xd0
[ 1670.366185]  ? __check_object_size+0x179/0x230
[ 1670.370751]  netlink_sendmsg+0x648/0xbc0
[ 1670.374797]  ? nlmsg_notify+0x1b0/0x1b0
[ 1670.378749]  ? kernel_recvmsg+0x210/0x210
[ 1670.382876]  ? security_socket_sendmsg+0x83/0xb0
[ 1670.387632]  ? nlmsg_notify+0x1b0/0x1b0
[ 1670.391588]  sock_sendmsg+0xb5/0x100
[ 1670.395295]  ___sys_sendmsg+0x6c8/0x800
[ 1670.399271]  ? get_pid_task+0x91/0x130
[ 1670.403169]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1670.407910]  ? lock_downgrade+0x740/0x740
[ 1670.412053]  ? __fget+0x23e/0x3e0
[ 1670.415487]  ? lock_acquire+0x170/0x3f0
[ 1670.419464]  ? lock_downgrade+0x740/0x740
[ 1670.423609]  ? __fget+0x265/0x3e0
[ 1670.427063]  ? __fdget+0x19b/0x1f0
[ 1670.430601]  ? sockfd_lookup_light+0xb2/0x160
[ 1670.435095]  __sys_sendmsg+0xa3/0x120
[ 1670.438885]  ? SyS_shutdown+0x160/0x160
[ 1670.442849]  ? wait_for_completion_io+0x10/0x10
[ 1670.447530]  ? SyS_read+0x210/0x210
[ 1670.451137]  ? __do_page_fault+0x159/0xad0
[ 1670.455354]  SyS_sendmsg+0x27/0x40
[ 1670.458885]  ? __sys_sendmsg+0x120/0x120
[ 1670.462927]  do_syscall_64+0x1d5/0x640
[ 1670.466805]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1670.471980] RIP: 0033:0x7f13fe7280e9
[ 1670.475668] RSP: 002b:00007f13fd09d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1670.483356] RAX: ffffffffffffffda RBX: 00007f13fe83af60 RCX: 00007f13fe7280e9
[ 1670.490604] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1670.497852] RBP: 00007f13fd09d1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1670.505099] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1670.512348] R13: 00007ffc891ae9bf R14: 00007f13fd09d300 R15: 0000000000022000
13:45:20 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x38, r2, 0x10, 0x70bd27, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0x1e, 0x6, 0x3}]}, 0x38}}, 0x0)

13:45:20 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000080}, 0x24008800)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000080}, 0x24008800) (async)

13:45:20 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 9)

13:45:20 executing program 1:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x34, r2, 0x0, 0x70bd27, 0xe2, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x44000}, 0x20000000) (async)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000200)={0x58, 0x0, 0x400, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x58}, 0x1, 0x0, 0x0, 0x40080}, 0x4000) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r2, 0x200, 0x0, 0x1, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

13:45:20 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)
ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0) (async)
ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82) (async)

13:45:20 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, 0x0, 0x4, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44000}, 0x8004)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, 0x0, 0x4, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44000}, 0x8004) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)

13:45:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x38, r2, 0x10, 0x70bd27, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0x1e, 0x6, 0x3}]}, 0x38}}, 0x0)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x38, r2, 0x10, 0x70bd27, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0x1e, 0x6, 0x3}]}, 0x38}}, 0x0) (async)

13:45:21 executing program 1:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r1, 0x0, 0x0)
ioctl$SG_GET_NUM_WAITING(r1, 0x227d, &(0x7f0000000300))
ioctl$KVM_ASSIGN_SET_MSIX_NR(r0, 0x4008ae73, &(0x7f0000000000)={0x4, 0x1c4})
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x42000, 0x0)
ioctl$KVM_PPC_ALLOCATE_HTAB(r3, 0xc004aea7, &(0x7f00000000c0)=0x1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, 0x0, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa492}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x18}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'H{'}]}, 0x48}, 0x1, 0x0, 0x0, 0x20040801}, 0x4000000)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)

[ 1670.676670] nbd: must specify a device to reconfigure
[ 1670.736382] FAULT_INJECTION: forcing a failure.
[ 1670.736382] name failslab, interval 1, probability 0, space 0, times 0
[ 1670.747781] CPU: 1 PID: 7203 Comm: syz-executor.5 Not tainted 4.14.280-syzkaller #0
[ 1670.755578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1670.765010] Call Trace:
[ 1670.767583]  dump_stack+0x1b2/0x281
[ 1670.771193]  should_fail.cold+0x10a/0x149
[ 1670.775331]  should_failslab+0xd6/0x130
[ 1670.779292]  kmem_cache_alloc_node_trace+0x25a/0x400
[ 1670.784841]  blk_mq_init_tags+0x5e/0x280
[ 1670.788988]  blk_mq_alloc_rq_map+0x90/0x220
[ 1670.793294]  __blk_mq_alloc_rq_map+0xa3/0x3a0
[ 1670.797770]  blk_mq_alloc_tag_set+0x4ac/0x910
[ 1670.802250]  nbd_dev_add+0x2ae/0x800
[ 1670.805945]  ? nbd_send_cmd+0x11f0/0x11f0
[ 1670.810072]  ? ns_capable_common+0x127/0x150
[ 1670.814463]  nbd_genl_connect+0x3a4/0x1400
[ 1670.818681]  ? nbd_xmit_timeout+0x500/0x500
[ 1670.822987]  ? __mutex_lock+0x356/0x1310
[ 1670.827036]  ? validate_nla+0x192/0x5e0
[ 1670.830990]  ? nla_parse+0x157/0x1f0
[ 1670.834688]  genl_family_rcv_msg+0x572/0xb20
[ 1670.839077]  ? genl_rcv+0x40/0x40
[ 1670.842513]  ? __ww_mutex_wakeup_for_backoff+0x210/0x210
[ 1670.847951]  ? trace_hardirqs_on+0x10/0x10
[ 1670.852171]  genl_rcv_msg+0xaf/0x140
[ 1670.855867]  netlink_rcv_skb+0x125/0x390
[ 1670.859908]  ? genl_family_rcv_msg+0xb20/0xb20
[ 1670.864471]  ? netlink_ack+0x9a0/0x9a0
[ 1670.868337]  ? lock_acquire+0x170/0x3f0
[ 1670.872294]  genl_rcv+0x24/0x40
[ 1670.875551]  netlink_unicast+0x437/0x610
[ 1670.879611]  ? netlink_sendskb+0xd0/0xd0
[ 1670.883664]  ? __check_object_size+0x179/0x230
[ 1670.888337]  netlink_sendmsg+0x648/0xbc0
[ 1670.892382]  ? nlmsg_notify+0x1b0/0x1b0
[ 1670.896333]  ? kernel_recvmsg+0x210/0x210
[ 1670.900459]  ? security_socket_sendmsg+0x83/0xb0
[ 1670.905194]  ? nlmsg_notify+0x1b0/0x1b0
[ 1670.909144]  sock_sendmsg+0xb5/0x100
[ 1670.912838]  ___sys_sendmsg+0x6c8/0x800
[ 1670.916790]  ? get_pid_task+0x91/0x130
[ 1670.920653]  ? copy_msghdr_from_user+0x3b0/0x3b0
[ 1670.925385]  ? lock_downgrade+0x740/0x740
[ 1670.929512]  ? __fget+0x23e/0x3e0
[ 1670.932942]  ? lock_acquire+0x170/0x3f0
[ 1670.936892]  ? lock_downgrade+0x740/0x740
[ 1670.941021]  ? __fget+0x265/0x3e0
[ 1670.944452]  ? __fdget+0x19b/0x1f0
[ 1670.947980]  ? sockfd_lookup_light+0xb2/0x160
[ 1670.952468]  __sys_sendmsg+0xa3/0x120
[ 1670.956246]  ? SyS_shutdown+0x160/0x160
[ 1670.960209]  ? wait_for_completion_io+0x10/0x10
[ 1670.964864]  ? SyS_read+0x210/0x210
[ 1670.968484]  ? __do_page_fault+0x159/0xad0
[ 1670.972707]  SyS_sendmsg+0x27/0x40
[ 1670.976232]  ? __sys_sendmsg+0x120/0x120
[ 1670.980294]  do_syscall_64+0x1d5/0x640
[ 1670.984166]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1670.989333] RIP: 0033:0x7f13fe7280e9
[ 1670.993025] RSP: 002b:00007f13fd09d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1671.000885] RAX: ffffffffffffffda RBX: 00007f13fe83af60 RCX: 00007f13fe7280e9
[ 1671.008143] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
[ 1671.015391] RBP: 00007f13fd09d1d0 R08: 0000000000000000 R09: 0000000000000000
[ 1671.022638] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 1671.029889] R13: 00007ffc891ae9bf R14: 00007f13fd09d300 R15: 0000000000022000
[ 1671.038278] blk-mq: reduced tag depth (128 -> 64)
13:45:21 executing program 5:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (fail_nth: 10)

13:45:21 executing program 2:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x38, r2, 0x10, 0x70bd27, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0x1e, 0x6, 0x3}]}, 0x38}}, 0x0)

13:45:21 executing program 0:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0) (async)
sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, r2, 0x1, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000080}, 0x24008800)

13:45:21 executing program 1:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r1, 0x0, 0x0)
ioctl$SG_GET_NUM_WAITING(r1, 0x227d, &(0x7f0000000300))
ioctl$KVM_ASSIGN_SET_MSIX_NR(r0, 0x4008ae73, &(0x7f0000000000)={0x4, 0x1c4})
r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r3 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x42000, 0x0)
ioctl$KVM_PPC_ALLOCATE_HTAB(r3, 0xc004aea7, &(0x7f00000000c0)=0x1)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, 0x0, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa492}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x18}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'H{'}]}, 0x48}, 0x1, 0x0, 0x0, 0x20040801}, 0x4000000)
r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0)
ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0) (async)
getpeername$packet(r1, 0x0, 0x0) (async)
ioctl$SG_GET_NUM_WAITING(r1, 0x227d, &(0x7f0000000300)) (async)
ioctl$KVM_ASSIGN_SET_MSIX_NR(r0, 0x4008ae73, &(0x7f0000000000)={0x4, 0x1c4}) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x42000, 0x0) (async)
ioctl$KVM_PPC_ALLOCATE_HTAB(r3, 0xc004aea7, &(0x7f00000000c0)=0x1) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, 0x0, 0x10, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x80}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xa492}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x18}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, 'H{'}]}, 0x48}, 0x1, 0x0, 0x0, 0x20040801}, 0x4000000) (async)
syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r4) (async)
sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)={0x30, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x0) (async)

[ 1671.123006] nbd: must specify a device to reconfigure
13:45:21 executing program 3:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x24}}, 0x0)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r3)
sendmsg$NBD_CMD_STATUS(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x28, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x28}}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={<r5=>0xffffffffffffffff})
r6 = openat$zero(0xffffffffffffff9c, &(0x7f0000001b80), 0x0, 0x0)
getpeername$packet(r6, 0x0, 0x0)
sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x64, r4, 0xf8dc328fe36f1604, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}]}, 0x64}, 0x1, 0x0, 0x0, 0x40}, 0x20004800)

13:45:21 executing program 4:
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) (async)
sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x1c, 0x0, 0x4, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44000}, 0x8004)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

13:45:21 executing program 5:
ioctl$LOOP_GET_STATUS(0xffffffffffffffff, 0x4c03, &(0x7f0000000180))
r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1)
sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x30}}, 0x0)

[ 1671.213823] nbd: must specify a device to reconfigure
[ 1671.224210] refcount_t: underflow; use-after-free.
[ 1671.236741] ------------[ cut here ]------------
[ 1671.241521] WARNING: CPU: 1 PID: 7232 at lib/refcount.c:281 refcount_dec_not_one.cold+0x18/0x25
[ 1671.250352] Kernel panic - not syncing: panic_on_warn set ...
[ 1671.250352] 
[ 1671.257708] CPU: 1 PID: 7232 Comm: systemd-udevd Not tainted 4.14.280-syzkaller #0
[ 1671.265397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 1671.274728] Call Trace:
[ 1671.277295]  dump_stack+0x1b2/0x281
[ 1671.280902]  panic+0x1f9/0x42d
[ 1671.284073]  ? add_taint.cold+0x16/0x16
[ 1671.288032]  ? refcount_dec_not_one.cold+0x18/0x25
[ 1671.292944]  ? refcount_dec_not_one.cold+0x18/0x25
[ 1671.297853]  __warn.cold+0x20/0x44
[ 1671.301370]  ? ist_end_non_atomic+0x10/0x10
[ 1671.305666]  ? refcount_dec_not_one.cold+0x18/0x25
[ 1671.310575]  report_bug+0x208/0x250
[ 1671.314185]  do_error_trap+0x195/0x2d0
[ 1671.318051]  ? math_error+0x2d0/0x2d0
[ 1671.321835]  ? ___preempt_schedule+0x16/0x18
[ 1671.326236]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 1671.331069]  invalid_op+0x1b/0x40
[ 1671.334502] RIP: 0010:refcount_dec_not_one.cold+0x18/0x25
[ 1671.340014] RSP: 0018:ffff88807c97fc38 EFLAGS: 00010286
[ 1671.345354] RAX: 0000000000000026 RBX: 0000000000000000 RCX: 0000000000000000
[ 1671.352600] RDX: 0000000000000000 RSI: ffffffff878bc600 RDI: ffffed100f92ff7d
[ 1671.359847] RBP: ffff8880940438d8 R08: 0000000000000026 R09: 0000000000000000
[ 1671.367091] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff
[ 1671.374334] R13: 0000000000000000 R14: ffffed100f558ab6 R15: ffff8880940438e8
[ 1671.381606]  ? refcount_dec_not_one.cold+0x18/0x25
[ 1671.386535]  ? trace_hardirqs_on_caller+0x3a8/0x580
[ 1671.391539]  refcount_dec_and_mutex_lock+0x1a/0x60
[ 1671.396632]  nbd_config_put+0x506/0x810
[ 1671.400597]  nbd_release+0xdf/0x150
[ 1671.404208]  ? nbd_queue_rq+0xc50/0xc50
[ 1671.408165]  __blkdev_put+0x5aa/0x800
[ 1671.411947]  ? revalidate_disk+0x1f0/0x1f0
[ 1671.416158]  ? locks_remove_file+0x2cd/0x420
[ 1671.420545]  ? blkdev_put+0x75/0x4c0
[ 1671.424240]  ? blkdev_put+0x4c0/0x4c0
[ 1671.428046]  blkdev_close+0x86/0xb0
[ 1671.431659]  __fput+0x25f/0x7a0
[ 1671.434955]  task_work_run+0x11f/0x190
[ 1671.438836]  exit_to_usermode_loop+0x1ad/0x200
[ 1671.443404]  do_syscall_64+0x4a3/0x640
[ 1671.447282]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 1671.452446] RIP: 0033:0x7f5008c9a270
[ 1671.456131] RSP: 002b:00007fff95541608 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 1671.463816] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f5008c9a270
[ 1671.471064] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007
[ 1671.478315] RBP: 00007f5009b54710 R08: 0000000000000045 R09: 0000000000000018
[ 1671.485733] R10: 0000556252b6ef58 R11: 0000000000000246 R12: 0000000000000000
[ 1671.492977] R13: 0000556252b6d880 R14: 0000000000000003 R15: 000000000000000e
[ 1671.500520] Kernel Offset: disabled
[ 1671.504196] Rebooting in 86400 seconds..