nk: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 22:20:09 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0000f44fc1000000000000000000"], 0x14}}, 0x0) 22:20:09 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0x1, 0x70bd2a}, 0x14}}, 0x0) 22:20:10 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0000f44fc1000000000000000000"], 0x14}}, 0x0) 22:20:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4100010}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x7c, r2, 0x2, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0xd}}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40001}, 0x40001) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4100010}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x7c, r2, 0x2, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0xd}}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}]}, 0x7c}, 0x1, 0x0, 0x0, 0x40001}, 0x40001) (async) 22:20:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r5, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x34, r6, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x34}, 0x1, 0x0, 0x0, 0x20040800}, 0x4000) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)={0x3c, r7, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @dev}}]}, 0x3c}}, 0x0) 22:20:10 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0000f44fc1000000000000000000"], 0x14}}, 0x0) 22:20:10 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x0) 22:20:10 executing program 0: 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0x1, 0x70bd2a}, 0x14}}, 0x0) 22:20:10 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 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$netlbl_mgmt(&(0x7f0000000300), r4) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x400, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r5, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000040}, 0x0) 22:20:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r5, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x34, r6, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x34}, 0x1, 0x0, 0x0, 0x20040800}, 0x4000) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)={0x3c, r7, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @dev}}]}, 0x3c}}, 0x0) 22:20:10 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$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r3) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r4, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000400)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000003c0)={&(0x7f00000002c0)={0x30, r4, 0x4, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x20004800}, 0x880) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[], 0x54}, 0x1, 0x0, 0x0, 0xc101}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000500)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x20, 0x0, 0x10, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x40094) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair(0x1, 0x5, 0x1ff, &(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f00000005c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffff}}, './file0\x00'}) r8 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r8, 0x113, 0x2, 0x0, 0x0) r9 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r9, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000700)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000006c0)={&(0x7f0000000600)={0xac, 0x0, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffc3}]}, 0xac}, 0x1, 0x0, 0x0, 0x4008040}, 0x4) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000840)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000800)={&(0x7f0000000780)={0x70, r4, 0x20, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000884}, 0x20000010) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r10) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r10) sendmsg$NLBL_MGMT_C_REMOVE(r10, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r11, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, r11, 0x4, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x24}}, 0x40000) sendmsg$NLBL_MGMT_C_LISTALL(r5, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000280)=ANY=[], 0x20}, 0x1, 0x0, 0x0, 0x8041}, 0x20000040) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) 22:20:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:10 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$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r5) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r5) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r7, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000240)={0x70, r6, 0x400, 0x8000000, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0xfffffd02}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_PROTOCOL={0x0, 0x2, 0x3}, @NLBL_MGMT_A_DOMAIN={0x0, 0x1, 'ip6_vti0\x00'}, @NLBL_MGMT_A_PROTOCOL={0x0, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x0, 0xc, 0x3}, @NLBL_MGMT_A_CV4DOI={0x0, 0x4, 0x3}]}, 0x12}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f0000000180)={0x28, r6, 0x800, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}]}, 0x28}, 0x1, 0x0, 0x0, 0x4048010}, 0x44080) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000500)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="68000000976ef3afc5a8ffb7d0c1263ebae966759465b8ffc9fc656976e99c229396750f29ec8d884becc286018207337fad3a11990040d147e18cdbb08cfb3ecb26cf", @ANYRES16=r4, @ANYBLOB="00012cbd7000fedbdf250500000006000b001800000006000b0028000000080002000500000008000800ac1414bb0800020007000000080008006401010214000600fe8000000000000000000000000000bb06000b001e0000000800020003000000"], 0x68}, 0x1, 0x0, 0x0, 0x4810}, 0x24008000) sendmsg$NLBL_UNLABEL_C_ACCEPT(r8, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x24}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x100, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6_vti0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}]}, 0x38}, 0x1, 0x0, 0x0, 0x48090}, 0x800) ioctl$SIOCRSSCAUSE(0xffffffffffffffff, 0x89e1, &(0x7f0000000100)=0x7) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="0100"/14], 0x14}}, 0x0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r9) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000001c0), r9) 22:20:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0x1, 0x70bd2a}, 0x14}}, 0x0) 22:20:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) 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$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r5, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x34, r6, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x34}, 0x1, 0x0, 0x0, 0x20040800}, 0x4000) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) 22:20:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) (rerun: 64) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 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$netlbl_mgmt(&(0x7f0000000300), r4) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x400, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) (async, rerun: 32) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r5, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000040}, 0x0) (rerun: 32) 22:20:10 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$netlbl_mgmt(&(0x7f00000002c0), r0) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:10 executing program 3: r0 = syz_init_net_socket$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) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r3) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r4, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000400)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000003c0)={&(0x7f00000002c0)={0x30, r4, 0x4, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x20004800}, 0x880) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[], 0x54}, 0x1, 0x0, 0x0, 0xc101}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000500)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x20, 0x0, 0x10, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x40094) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair(0x1, 0x5, 0x1ff, &(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) (async) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f00000005c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffff}}, './file0\x00'}) (async) r8 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r8, 0x113, 0x2, 0x0, 0x0) (async) r9 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r9, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000700)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000006c0)={&(0x7f0000000600)={0xac, 0x0, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffc3}]}, 0xac}, 0x1, 0x0, 0x0, 0x4008040}, 0x4) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000840)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000800)={&(0x7f0000000780)={0x70, r4, 0x20, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000884}, 0x20000010) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r10) (async) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r10) sendmsg$NLBL_MGMT_C_REMOVE(r10, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r11, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, r11, 0x4, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x24}}, 0x40000) (async) sendmsg$NLBL_MGMT_C_LISTALL(r5, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000280)=ANY=[], 0x20}, 0x1, 0x0, 0x0, 0x8041}, 0x20000040) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) 22:20:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x68, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bridge\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x13}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x68}, 0x1, 0x0, 0x0, 0x4004}, 0x20044040) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, 0x0, 0xe4a52f70dc996e86, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '^^'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000000480)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x44, r3, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x1a}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x28, r5, 0x300, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x28}, 0x1, 0x0, 0x0, 0x40080}, 0x800) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r7, 0xb21}, 0x14}}, 0x0) 22:20:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) 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$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r3) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r4, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r4, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) r5 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x34, r5, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x34}, 0x1, 0x0, 0x0, 0x20040800}, 0x4000) 22:20:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r3) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r4, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) (async, rerun: 32) sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000400)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000003c0)={&(0x7f00000002c0)={0x30, r4, 0x4, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x20004800}, 0x880) (async, rerun: 32) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[], 0x54}, 0x1, 0x0, 0x0, 0xc101}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000500)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x20, 0x0, 0x10, 0x70bd29, 0x25dfdbfd, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x40094) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair(0x1, 0x5, 0x1ff, &(0x7f0000000580)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_READY(0xffffffffffffffff, 0xc0189376, &(0x7f00000005c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffff}}, './file0\x00'}) (async) r8 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r8, 0x113, 0x2, 0x0, 0x0) r9 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r9, 0x113, 0x2, 0x0, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000700)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000006c0)={&(0x7f0000000600)={0xac, 0x0, 0x20, 0x70bd2b, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r7}, {0x8}, {0x8}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffffffffffffffc3}]}, 0xac}, 0x1, 0x0, 0x0, 0x4008040}, 0x4) (rerun: 64) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async, rerun: 32) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000840)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000800)={&(0x7f0000000780)={0x70, r4, 0x20, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000884}, 0x20000010) (async, rerun: 32) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r10) (async) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r10) sendmsg$NLBL_MGMT_C_REMOVE(r10, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r11, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(r1, &(0x7f0000000380)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x24, r11, 0x4, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x24}}, 0x40000) sendmsg$NLBL_MGMT_C_LISTALL(r5, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000280)=ANY=[], 0x20}, 0x1, 0x0, 0x0, 0x8041}, 0x20000040) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) 22:20:10 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x68, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bridge\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x13}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x68}, 0x1, 0x0, 0x0, 0x4004}, 0x20044040) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, 0x0, 0xe4a52f70dc996e86, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '^^'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40}, 0x0) syz_init_net_socket$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) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000000480)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x44, r3, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x1a}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x28, r5, 0x300, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x28}, 0x1, 0x0, 0x0, 0x40080}, 0x800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r7, 0xb21}, 0x14}}, 0x0) 22:20:10 executing program 4: 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x400, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, r5, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000040}, 0x0) 22:20:10 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r2) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r3, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r3, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), 0xffffffffffffffff) 22:20:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x68, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bridge\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x13}}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x68}, 0x1, 0x0, 0x0, 0x4004}, 0x20044040) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x4c, 0x0, 0xe4a52f70dc996e86, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x80000001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '^^'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1ff}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40}, 0x0) (rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000000480)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x44, r3, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x1a}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r2) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f00000005c0)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x28, r5, 0x300, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x28}, 0x1, 0x0, 0x0, 0x40080}, 0x800) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) (rerun: 32) sendmsg$NLBL_MGMT_C_PROTOCOLS(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r7, 0xb21}, 0x14}}, 0x0) 22:20:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x9eb9d2efdfea63df}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}]}, 0x88}, 0x1, 0x0, 0x0, 0x20000000}, 0x40040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r3, 0xb21}, 0x14}}, 0x0) 22:20:10 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x90, 0x0, 0x200, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x23, 0x7, 'system_u:object_r:lastlog_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:netcontrol_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}]}, 0x90}, 0x1, 0x0, 0x0, 0x400c0}, 0x4000000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r3, 0xb21}, 0x14}}, 0x0) 22:20:10 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x0) 22:20:10 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$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:10 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$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r3) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r2) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r3, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r3, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:10 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$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x9eb9d2efdfea63df}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}]}, 0x88}, 0x1, 0x0, 0x0, 0x20000000}, 0x40040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) (async) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r3, 0xb21}, 0x14}}, 0x0) 22:20:10 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x0) 22:20:10 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$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r1) ioctl$VIDIOC_SUBDEV_G_CROP(0xffffffffffffffff, 0xc038563b, &(0x7f0000000280)={0x1, 0x0, {0x5, 0x3, 0x10001, 0x2}}) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="0100002000000000000007000000140002000000000000000000140003405a9e4a42dba643a50000ffffac1414000000000000000000"], 0x3c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r5) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r6, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_LISTDEF(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x58, r6, 0x100, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x49}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x58}, 0x1, 0x0, 0x0, 0x4000800}, 0x0) 22:20:10 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r3) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r3) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) (async) 22:20:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x9eb9d2efdfea63df}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}]}, 0x88}, 0x1, 0x0, 0x0, 0x20000000}, 0x40040) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r3, 0xb21}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (async) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, 0x0, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @empty}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x9eb9d2efdfea63df}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}]}, 0x88}, 0x1, 0x0, 0x0, 0x20000000}, 0x40040) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r3, 0xb21}, 0x14}}, 0x0) (async) 22:20:11 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x0) 22:20:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r2) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r3, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:11 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:11 executing program 3: r0 = syz_init_net_socket$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) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r2) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r3, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r1, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x2c, r3, 0x100, 0x70bd26, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0xf, 0x1, 'NLBL_UNLBL\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x2c}, 0x1, 0x0, 0x0, 0x14}, 0x20008000) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r5) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000240)={0x28, r6, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip_vti0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0xfffffffffffffdf1, &(0x7f00000001c0)={&(0x7f0000000000)={0x14, 0x0, 0x8, 0x0, 0x0, {}, [@NLBL_MGMT_A_CLPDOI={0x0, 0xc, 0x2}]}, 0x14}, 0x1, 0x0, 0x0, 0x40085}, 0x0) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_ACCEPT(r1, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000280)={&(0x7f0000000400)=ANY=[@ANYRESDEC=r2, @ANYRES16=r7, @ANYBLOB="10012abd7000fcdbdf25010000001400060076657468315f746f5f7465616d00000014000600766c616e30000000009a000000000000"], 0x3c}, 0x1, 0x0, 0x0, 0x10}, 0x400c1) 22:20:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async, rerun: 64) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r3) (async, rerun: 64) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r2) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, 0x0, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r4) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x84, r5, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:crack_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:crond_unit_file_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}]}, 0x84}, 0x1, 0x0, 0x0, 0x4000000}, 0x4080) 22:20:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:11 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:11 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$netlbl_unlabel(0x0, r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r2) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, 0x0, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:11 executing program 4: 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async, rerun: 32) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r4) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x84, r5, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:crack_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:crond_unit_file_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}]}, 0x84}, 0x1, 0x0, 0x0, 0x4000000}, 0x4080) 22:20:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f0000000040)={0xc4, 0x0, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'unconfined_u:system_r:insmod_t:s0-s0:c0.c1023\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:inetd_child_exec_t:s0\x00'}]}, 0xc4}, 0x1, 0x0, 0x0, 0x40}, 0x51) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:11 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:11 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(0x0, r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r2) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, 0x0, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:11 executing program 3: sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000180)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r3, 0xb21}, 0x14}}, 0x0) [ 1443.496434] nbd: must specify a size in bytes for the device 22:20:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r4) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x84, r5, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:crack_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:crond_unit_file_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}]}, 0x84}, 0x1, 0x0, 0x0, 0x4000000}, 0x4080) 22:20:11 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f0000000040)={0xc4, 0x0, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'unconfined_u:system_r:insmod_t:s0-s0:c0.c1023\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:inetd_child_exec_t:s0\x00'}]}, 0xc4}, 0x1, 0x0, 0x0, 0x40}, 0x51) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) (async) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f0000000040)={0xc4, 0x0, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'unconfined_u:system_r:insmod_t:s0-s0:c0.c1023\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:inetd_child_exec_t:s0\x00'}]}, 0xc4}, 0x1, 0x0, 0x0, 0x40}, 0x51) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) (async) 22:20:11 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$netlbl_unlabel(0x0, r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:11 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r3, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:11 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000140)=ANY=[@ANYBLOB="1449a740", @ANYRES16=r2, @ANYBLOB="210b0000000000000007000000850f6d057a6d015fdc2de3bc702312f0cbf9b3dda94811680a75a4b61aa9bfdb042c790d1385fe8980fd040799dfd2fc193d7a44f6129c77a8bd"], 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x0, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ipvlan0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004010}, 0x40001) 22:20:11 executing program 0: 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$netlbl_mgmt(&(0x7f00000002c0), r0) (async) sendmsg$NLBL_UNLABEL_C_LIST(r0, &(0x7f0000000180)={&(0x7f0000000000), 0xc, &(0x7f0000000140)={&(0x7f0000000040)={0xc4, 0x0, 0x200, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @loopback}, @NLBL_UNLABEL_A_SECCTX={0x32, 0x7, 'unconfined_u:system_r:insmod_t:s0-s0:c0.c1023\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:inetd_child_exec_t:s0\x00'}]}, 0xc4}, 0x1, 0x0, 0x0, 0x40}, 0x51) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:11 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r2) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, 0x0, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:11 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:11 executing program 4: 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000140)=ANY=[@ANYBLOB="1449a740", @ANYRES16=r2, @ANYBLOB="210b0000000000000007000000850f6d057a6d015fdc2de3bc702312f0cbf9b3dda94811680a75a4b61aa9bfdb042c790d1385fe8980fd040799dfd2fc193d7a44f6129c77a8bd"], 0x14}}, 0x0) (async) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x0, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ipvlan0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004010}, 0x40001) 22:20:11 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$netlbl_unlabel(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:11 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:11 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:11 executing program 0: r0 = socket$rds(0x15, 0x5, 0x0) setsockopt$RDS_RECVERR(r0, 0x114, 0x5, 0x0, 0x0) 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(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="08ce5aec111583d414fcc0348907c9416c233a6160e0a4b02416a9ed9a914a5418b3f42cb7c593fc4d1d56146520650c450763b8da7925130b85d5115a48e547bd993471656a6044f5367cbb44b59cb513bd7730c37d2a68285492c08aab8f8b513b16824da93d7007757401d0d70ae9e50a2b4d06ad20f52a5cf1d3d5aad5bf70bc0975d9084deae876e0c7fb5f8dc7c56c2de6a4da84d495672054b7937015bfe051ae209ede824b306c291ad35b6b035516e21c62c7d3041dae8a440f2de9fe003e319778aea3f39a9ea01abc7b5ae9243177666e6da863112bcce55c921b"], 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="0000000015f302a5052cf986278edb3a0cf4bdcffba511174cde9c81f62a48dd29a4b2a80a566135bc9716aa34322ac3e0bdc1a3d66f9369551f53b4f1454c4bddb64d39c46b2b227320c6f71f9520e4b125beb641362553d77a69454e2efd8eed097bf29a", @ANYRES16=r5, @ANYBLOB='!\v\x00\x00\x00\x00\x00\x00\x00\x00\a\x00\x00\x00'], 0x14}}, 0x0) 22:20:11 executing program 4: 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000140)=ANY=[@ANYBLOB="1449a740", @ANYRES16=r2, @ANYBLOB="210b0000000000000007000000850f6d057a6d015fdc2de3bc702312f0cbf9b3dda94811680a75a4b61aa9bfdb042c790d1385fe8980fd040799dfd2fc193d7a44f6129c77a8bd"], 0x14}}, 0x0) (async) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x28, r3, 0x0, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ipvlan0\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x4004010}, 0x40001) 22:20:11 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$netlbl_unlabel(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:11 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:11 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:12 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x44000) 22:20:12 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$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:12 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x200, 0x70bd2b, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x400c805}, 0x4) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r1) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000200)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x40, r3, 0x100, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x1a}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}]}, 0x40}, 0x1, 0x0, 0x0, 0x4}, 0x2040) 22:20:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r3, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:12 executing program 4: 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x44000) 22:20:12 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$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:12 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$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$netlbl_mgmt(&(0x7f0000000a00), r2) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r3, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:12 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x44000) 22:20:12 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$netlbl_unlabel(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r3) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r4, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000740)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x30, r4, 0x0, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xfffffffffffffffe}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}]}, 0x30}, 0x1, 0x0, 0x0, 0x20008000}, 0x40) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000400)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="010000000000000000000700000014000200fc0000000000000000000000000000001400030000000000000000000000ffffac141400"], 0x3c}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000300), r8) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000640)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000600)={&(0x7f00000005c0)={0x2c, r10, 0x8, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r11) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r11, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r12, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r6, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x40, r12, 0x300, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x2a}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'macvtap0\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x440c0}, 0x10840) r13 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(r5, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r13, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:run_init_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x3d}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_SECCTX={0x1f, 0x7, 'system_u:object_r:bin_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x14}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}]}, 0xbc}, 0x1, 0x0, 0x0, 0x50}, 0x43) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), r6) 22:20:12 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$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:12 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$netlbl_unlabel(&(0x7f0000000340), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r3) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r4, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000740)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x30, r4, 0x0, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xfffffffffffffffe}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}]}, 0x30}, 0x1, 0x0, 0x0, 0x20008000}, 0x40) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000400)=ANY=[@ANYBLOB="3c000000a73e001969d8ee7d18c5835de31dfca53543e124a565f127e8c5e5948a9f8f2a72c6e6f6b750f723622ad37f21fe87949c1dd501040000000000002694a8f77f44405d425068dded48571944f817d38dbb5bcbf9ce747b9d6955cb498aaf6322fd5420ae1fb3ebaf063a95b17b0d831253c879e93ba9834fdca5e27b724c1aa5c911edbfc966d6fbfe8a6f806f17c4c09fcc9562c96273750d6490acb7beb251e6beb1324829a6be2fbfeec9339abbda87bf407aa9b0f81f6652447cde7066ebbe534f828de8bc89e44edfb29046446b716b8661922f4cfb495190eb9545152c86e14f83ea9dd15e872cc5246f8c1827b1e2a398a76e79da671d0fda51a8c5cc820a96cfbb30a571774854538fc396b71cc9da0396abd032576b290c87db2f62bae41671831feb", @ANYRES16=r2, @ANYBLOB="010000000000000000000700000014000200fc0000000000000000000000000000001400030000000000000000000000ffffac141400"], 0x3c}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000300), r8) sendmsg$NBD_CMD_STATUS(r9, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r10, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000640)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000600)={&(0x7f00000005c0)={0x2c, r10, 0x8, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r11) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r11, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r12, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r6, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x40, r12, 0x300, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x2a}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'macvtap0\x00'}]}, 0x40}, 0x1, 0x0, 0x0, 0x440c0}, 0x10840) r13 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(r5, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xbc, r13, 0x200, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:run_init_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x3d}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @loopback}, @NLBL_UNLABEL_A_SECCTX={0x1f, 0x7, 'system_u:object_r:bin_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x14}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}]}, 0xbc}, 0x1, 0x0, 0x0, 0x50}, 0x43) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), r6) 22:20:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:12 executing program 5: socket$pptp(0x18, 0x1, 0x2) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r4) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r5, 0x8, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x40) 22:20:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r1) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x74, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}]}, 0x74}, 0x1, 0x0, 0x0, 0x40085}, 0x8000) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x300, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r4, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x60, r3, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000000}, 0x20044814) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x29, &(0x7f0000000400)={&(0x7f0000000240)={0x14, r2, 0x400, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x0, 0x5, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x1, 0x0}}}]}, 0x14}, 0x1, 0x0, 0x0, 0x4004}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x24, r2, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x24}, 0x1, 0x0, 0x0, 0x10}, 0x8010) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000004c0), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x58, r7, 0x300, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x5}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x1f}}]}, 0x58}, 0x1, 0x0, 0x0, 0x10}, 0x4000) 22:20:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x20054004) 22:20:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x4000004) 22:20:12 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:12 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r1) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x74, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}]}, 0x74}, 0x1, 0x0, 0x0, 0x40085}, 0x8000) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x300, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r4, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x60, r3, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000000}, 0x20044814) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x29, &(0x7f0000000400)={&(0x7f0000000240)={0x14, r2, 0x400, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x0, 0x5, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x1, 0x0}}}]}, 0x14}, 0x1, 0x0, 0x0, 0x4004}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x24, r2, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x24}, 0x1, 0x0, 0x0, 0x10}, 0x8010) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000004c0), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x58, r7, 0x300, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x5}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x1f}}]}, 0x58}, 0x1, 0x0, 0x0, 0x10}, 0x4000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r1) (async) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x74, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}]}, 0x74}, 0x1, 0x0, 0x0, 0x40085}, 0x8000) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x300, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) (async) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r4, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x60, r3, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000000}, 0x20044814) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x29, &(0x7f0000000400)={&(0x7f0000000240)={0x14, r2, 0x400, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x0, 0x5, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x1, 0x0}}}]}, 0x14}, 0x1, 0x0, 0x0, 0x4004}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x24, r2, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x24}, 0x1, 0x0, 0x0, 0x10}, 0x8010) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r6) (async) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000004c0), r1) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x58, r7, 0x300, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x5}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x1f}}]}, 0x58}, 0x1, 0x0, 0x0, 0x10}, 0x4000) (async) 22:20:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x20054004) 22:20:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) [ 1444.646710] nbd: must specify a size in bytes for the device 22:20:12 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x70, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x70}}, 0x4000004) 22:20:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x50}}, 0x4000004) 22:20:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x20054004) 22:20:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000040)={&(0x7f00000000c0)={0x64, 0x0, 0x20, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x64}, 0x1, 0x0, 0x0, 0x10}, 0xc048080) 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$netlbl_mgmt(&(0x7f0000000a00), r2) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r3, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) (async) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r1) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x74, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}]}, 0x74}, 0x1, 0x0, 0x0, 0x40085}, 0x8000) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x300, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) (async, rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) (async, rerun: 64) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (rerun: 64) sendmsg$NLBL_MGMT_C_PROTOCOLS(r4, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x60, r3, 0x100, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x60}, 0x1, 0x0, 0x0, 0x4000000}, 0x20044814) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x29, &(0x7f0000000400)={&(0x7f0000000240)={0x14, r2, 0x400, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x0, 0x5, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x1, 0x0}}}]}, 0x14}, 0x1, 0x0, 0x0, 0x4004}, 0x0) (async, rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x24, r2, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x24}, 0x1, 0x0, 0x0, 0x10}, 0x8010) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000004c0), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f00000005c0)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000580)={&(0x7f0000000500)={0x58, r7, 0x300, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2b}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x5}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x1f}}]}, 0x58}, 0x1, 0x0, 0x0, 0x10}, 0x4000) 22:20:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) r4 = syz_open_dev$audion(&(0x7f0000000280), 0x0, 0x200000) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) sendmsg$nl_route(r4, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)=@ipv6_delrule={0x98, 0x21, 0x8, 0x70bd67, 0x25dfdbff, {0xa, 0x0, 0x10, 0x8, 0x72, 0x0, 0x0, 0x2, 0x2}, [@FRA_SRC={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @FIB_RULE_POLICY=@FRA_IP_PROTO={0x5, 0x16, 0x4}, @FRA_DST={0x14, 0x1, @private1={0xfc, 0x1, '\x00', 0x1}}, @FRA_DST={0x14, 0x1, @local}, @FRA_SRC={0x14, 0x2, @remote}, @FIB_RULE_POLICY=@FRA_OIFNAME={0x14, 0x11, 'pimreg0\x00'}, @FIB_RULE_POLICY=@FRA_TABLE={0x8, 0xf, 0x5}, @FIB_RULE_POLICY=@FRA_SPORT_RANGE={0x8, 0x17, {0x4e24, 0x4e23}}]}, 0x98}, 0x1, 0x0, 0x0, 0x81}, 0x40) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r6, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)={0x3c, r5, 0x1, 0x0, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @dev}}]}, 0x3c}}, 0x0) 22:20:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:12 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) r5 = syz_open_dev$swradio(&(0x7f0000000080), 0x0, 0x2) ioctl$VIDIOC_CREATE_BUFS(r5, 0xc100565c, &(0x7f0000000180)={0x0, 0x0, 0x1, {0xb}}) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="00000000f74c005aa86acb8a1c11"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000180)=ANY=[@ANYRESDEC=r0, @ANYRESOCT=r1, @ANYRESDEC, @ANYRES64=r4, @ANYRES32=r2], 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r7) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r7, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r8, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r6, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000380)={&(0x7f0000000300)={0x54, r8, 0x10, 0x70bd25, 0xd91, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @dev={0xac, 0x14, 0x14, 0x27}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @dev={0xfe, 0x80, '\x00', 0x3a}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x40}, 0x0) 22:20:12 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) [ 1444.966199] nbd: must specify at least one socket 22:20:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:12 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) r4 = syz_open_dev$audion(&(0x7f0000000280), 0x0, 0x200000) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) sendmsg$nl_route(r4, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)=@ipv6_delrule={0x98, 0x21, 0x8, 0x70bd67, 0x25dfdbff, {0xa, 0x0, 0x10, 0x8, 0x72, 0x0, 0x0, 0x2, 0x2}, [@FRA_SRC={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @FIB_RULE_POLICY=@FRA_IP_PROTO={0x5, 0x16, 0x4}, @FRA_DST={0x14, 0x1, @private1={0xfc, 0x1, '\x00', 0x1}}, @FRA_DST={0x14, 0x1, @local}, @FRA_SRC={0x14, 0x2, @remote}, @FIB_RULE_POLICY=@FRA_OIFNAME={0x14, 0x11, 'pimreg0\x00'}, @FIB_RULE_POLICY=@FRA_TABLE={0x8, 0xf, 0x5}, @FIB_RULE_POLICY=@FRA_SPORT_RANGE={0x8, 0x17, {0x4e24, 0x4e23}}]}, 0x98}, 0x1, 0x0, 0x0, 0x81}, 0x40) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r6, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)={0x3c, r5, 0x1, 0x0, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @dev}}]}, 0x3c}}, 0x0) 22:20:12 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:13 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) [ 1445.139506] nbd: must specify at least one socket 22:20:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) r4 = syz_open_dev$audion(&(0x7f0000000280), 0x0, 0x200000) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) sendmsg$nl_route(r4, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)=@ipv6_delrule={0x98, 0x21, 0x8, 0x70bd67, 0x25dfdbff, {0xa, 0x0, 0x10, 0x8, 0x72, 0x0, 0x0, 0x2, 0x2}, [@FRA_SRC={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @FIB_RULE_POLICY=@FRA_IP_PROTO={0x5, 0x16, 0x4}, @FRA_DST={0x14, 0x1, @private1={0xfc, 0x1, '\x00', 0x1}}, @FRA_DST={0x14, 0x1, @local}, @FRA_SRC={0x14, 0x2, @remote}, @FIB_RULE_POLICY=@FRA_OIFNAME={0x14, 0x11, 'pimreg0\x00'}, @FIB_RULE_POLICY=@FRA_TABLE={0x8, 0xf, 0x5}, @FIB_RULE_POLICY=@FRA_SPORT_RANGE={0x8, 0x17, {0x4e24, 0x4e23}}]}, 0x98}, 0x1, 0x0, 0x0, 0x81}, 0x40) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r6, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)={0x3c, r5, 0x1, 0x0, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @dev}}]}, 0x3c}}, 0x0) 22:20:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:13 executing program 4: openat$vimc0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 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$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:13 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) r4 = syz_open_dev$audion(&(0x7f0000000280), 0x0, 0x200000) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) sendmsg$nl_route(r4, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)=@ipv6_delrule={0x98, 0x21, 0x8, 0x70bd67, 0x25dfdbff, {0xa, 0x0, 0x10, 0x8, 0x72, 0x0, 0x0, 0x2, 0x2}, [@FRA_SRC={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @FIB_RULE_POLICY=@FRA_IP_PROTO={0x5, 0x16, 0x4}, @FRA_DST={0x14, 0x1, @private1={0xfc, 0x1, '\x00', 0x1}}, @FRA_DST={0x14, 0x1, @local}, @FRA_SRC={0x14, 0x2, @remote}, @FIB_RULE_POLICY=@FRA_OIFNAME={0x14, 0x11, 'pimreg0\x00'}, @FIB_RULE_POLICY=@FRA_TABLE={0x8, 0xf, 0x5}, @FIB_RULE_POLICY=@FRA_SPORT_RANGE={0x8, 0x17, {0x4e24, 0x4e23}}]}, 0x98}, 0x1, 0x0, 0x0, 0x81}, 0x40) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) 22:20:13 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20054004) [ 1445.324155] nbd: must specify at least one socket 22:20:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:13 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:13 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:13 executing program 4: openat$vimc0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) r4 = syz_open_dev$audion(&(0x7f0000000280), 0x0, 0x200000) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) sendmsg$nl_route(r4, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)=@ipv6_delrule={0x98, 0x21, 0x8, 0x70bd67, 0x25dfdbff, {0xa, 0x0, 0x10, 0x8, 0x72, 0x0, 0x0, 0x2, 0x2}, [@FRA_SRC={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @FIB_RULE_POLICY=@FRA_IP_PROTO={0x5, 0x16, 0x4}, @FRA_DST={0x14, 0x1, @private1={0xfc, 0x1, '\x00', 0x1}}, @FRA_DST={0x14, 0x1, @local}, @FRA_SRC={0x14, 0x2, @remote}, @FIB_RULE_POLICY=@FRA_OIFNAME={0x14, 0x11, 'pimreg0\x00'}, @FIB_RULE_POLICY=@FRA_TABLE={0x8, 0xf, 0x5}, @FIB_RULE_POLICY=@FRA_SPORT_RANGE={0x8, 0x17, {0x4e24, 0x4e23}}]}, 0x98}, 0x1, 0x0, 0x0, 0x81}, 0x40) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) 22:20:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) r4 = syz_open_dev$audion(&(0x7f0000000280), 0x0, 0x200000) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) sendmsg$nl_route(r4, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)=@ipv6_delrule={0x98, 0x21, 0x8, 0x70bd67, 0x25dfdbff, {0xa, 0x0, 0x10, 0x8, 0x72, 0x0, 0x0, 0x2, 0x2}, [@FRA_SRC={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @FIB_RULE_POLICY=@FRA_IP_PROTO={0x5, 0x16, 0x4}, @FRA_DST={0x14, 0x1, @private1={0xfc, 0x1, '\x00', 0x1}}, @FRA_DST={0x14, 0x1, @local}, @FRA_SRC={0x14, 0x2, @remote}, @FIB_RULE_POLICY=@FRA_OIFNAME={0x14, 0x11, 'pimreg0\x00'}, @FIB_RULE_POLICY=@FRA_TABLE={0x8, 0xf, 0x5}, @FIB_RULE_POLICY=@FRA_SPORT_RANGE={0x8, 0x17, {0x4e24, 0x4e23}}]}, 0x98}, 0x1, 0x0, 0x0, 0x81}, 0x40) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 22:20:13 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$netlbl_mgmt(0x0, r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:13 executing program 4: openat$vimc0(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r3) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:13 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:13 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$netlbl_mgmt(0x0, r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:13 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}}, 0x4000004) 22:20:13 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) r4 = syz_open_dev$audion(&(0x7f0000000280), 0x0, 0x200000) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) sendmsg$nl_route(r4, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)=@ipv6_delrule={0x98, 0x21, 0x8, 0x70bd67, 0x25dfdbff, {0xa, 0x0, 0x10, 0x8, 0x72, 0x0, 0x0, 0x2, 0x2}, [@FRA_SRC={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @FIB_RULE_POLICY=@FRA_IP_PROTO={0x5, 0x16, 0x4}, @FRA_DST={0x14, 0x1, @private1={0xfc, 0x1, '\x00', 0x1}}, @FRA_DST={0x14, 0x1, @local}, @FRA_SRC={0x14, 0x2, @remote}, @FIB_RULE_POLICY=@FRA_OIFNAME={0x14, 0x11, 'pimreg0\x00'}, @FIB_RULE_POLICY=@FRA_TABLE={0x8, 0xf, 0x5}, @FIB_RULE_POLICY=@FRA_SPORT_RANGE={0x8, 0x17, {0x4e24, 0x4e23}}]}, 0x98}, 0x1, 0x0, 0x0, 0x81}, 0x40) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) 22:20:13 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:13 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="32e46eae2272bed72d38327c2236a6fcf79c70b8491da87dbd3a12c4cf4ad9d76f0b58dc75656007bdabdb9c3630b3b5a88023f1e9cd749ddda026b02bff88344dcd709c1a17457111acb0b676f3cd88243e3576995cde16915102c286e19de090cfcf136df69f715282b41efa9f9d66148bce620822ea32fbc82884a1f779b7e88268", @ANYRES16=r2, @ANYBLOB='!\v\x00\x00\x00\x00\x00\x00\x00\x00\a\x00\x00\x00'], 0x14}}, 0x0) 22:20:13 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:13 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$netlbl_mgmt(&(0x7f0000000a00), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r1, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:13 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$netlbl_mgmt(0x0, r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:13 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:13 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) r4 = syz_open_dev$audion(&(0x7f0000000280), 0x0, 0x200000) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) sendmsg$nl_route(r4, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000400)=@ipv6_delrule={0x98, 0x21, 0x8, 0x70bd67, 0x25dfdbff, {0xa, 0x0, 0x10, 0x8, 0x72, 0x0, 0x0, 0x2, 0x2}, [@FRA_SRC={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @FIB_RULE_POLICY=@FRA_IP_PROTO={0x5, 0x16, 0x4}, @FRA_DST={0x14, 0x1, @private1={0xfc, 0x1, '\x00', 0x1}}, @FRA_DST={0x14, 0x1, @local}, @FRA_SRC={0x14, 0x2, @remote}, @FIB_RULE_POLICY=@FRA_OIFNAME={0x14, 0x11, 'pimreg0\x00'}, @FIB_RULE_POLICY=@FRA_TABLE={0x8, 0xf, 0x5}, @FIB_RULE_POLICY=@FRA_SPORT_RANGE={0x8, 0x17, {0x4e24, 0x4e23}}]}, 0x98}, 0x1, 0x0, 0x0, 0x81}, 0x40) 22:20:13 executing program 4: r0 = syz_init_net_socket$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(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="32e46eae2272bed72d38327c2236a6fcf79c70b8491da87dbd3a12c4cf4ad9d76f0b58dc75656007bdabdb9c3630b3b5a88023f1e9cd749ddda026b02bff88344dcd709c1a17457111acb0b676f3cd88243e3576995cde16915102c286e19de090cfcf136df69f715282b41efa9f9d66148bce620822ea32fbc82884a1f779b7e88268", @ANYRES16=r2, @ANYBLOB='!\v\x00\x00\x00\x00\x00\x00\x00\x00\a\x00\x00\x00'], 0x14}}, 0x0) 22:20:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r1, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:13 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r1, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:13 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) syz_open_dev$audion(&(0x7f0000000280), 0x0, 0x200000) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f0000000300)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xee00, 0xffffffffffffffff}}, './file0\x00'}) 22:20:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r1, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:13 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}}, 0x4000004) 22:20:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) syz_open_dev$audion(&(0x7f0000000280), 0x0, 0x200000) 22:20:14 executing program 5: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:14 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x0, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:14 executing program 4: 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="32e46eae2272bed72d38327c2236a6fcf79c70b8491da87dbd3a12c4cf4ad9d76f0b58dc75656007bdabdb9c3630b3b5a88023f1e9cd749ddda026b02bff88344dcd709c1a17457111acb0b676f3cd88243e3576995cde16915102c286e19de090cfcf136df69f715282b41efa9f9d66148bce620822ea32fbc82884a1f779b7e88268", @ANYRES16=r2, @ANYBLOB='!\v\x00\x00\x00\x00\x00\x00\x00\x00\a\x00\x00\x00'], 0x14}}, 0x0) 22:20:14 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}}, 0x4000004) 22:20:14 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x0, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:14 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}}, 0x4000004) 22:20:14 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$netlbl_mgmt(&(0x7f0000000a00), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r1, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) [ 1446.241104] nla_parse: 104 callbacks suppressed [ 1446.241111] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1446.280228] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 22:20:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) [ 1446.297408] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1446.308088] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 22:20:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x0, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:14 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}}, 0x4000004) [ 1446.346849] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1446.383525] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 22:20:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, r2, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth1_to_batadv\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4000}, 0x20040081) [ 1446.396900] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1446.412423] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 22:20:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:14 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:14 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x20, r3, 0x4, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x20}, 0x1, 0x0, 0x0, 0x4050}, 0x240048c0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:14 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r1, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) [ 1446.627410] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1446.655823] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. 22:20:14 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x0, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:14 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:14 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x8c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x8c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:14 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}}, 0x4000004) 22:20:14 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}}, 0x4000004) 22:20:14 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$netlbl_mgmt(&(0x7f0000000a00), r0) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r1, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x78, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x78}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:14 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:14 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x74, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}}, 0x4000004) 22:20:14 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:14 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, 0x0, 0x20000880) 22:20:14 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x58, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x58}}, 0x4000004) 22:20:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:15 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x70, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}]}, 0x70}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:15 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, 0x0, 0x20000880) [ 1447.110124] nbd: must specify at least one socket 22:20:15 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:15 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_emit_ethernet(0x4e, &(0x7f0000000180)=ANY=[], 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="1418a65add4b91de3c8b4f26db000050", @ANYRES16=r2, @ANYBLOB='!\v\x00\x00\x00\x00\x00\x00\x00\x00\a\x00\x00\x00'], 0x14}}, 0x0) 22:20:15 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x68, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_UNLABEL_A_SECCTX={0x2b, 0x7, 'system_u:object_r:unconfined_exec_t:s0\x00'}]}, 0x68}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:15 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1447.265228] nbd: must specify at least one socket 22:20:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, 0x0, 0x20000880) 22:20:15 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:15 executing program 0: 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(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) [ 1447.399649] nbd: must specify at least one socket 22:20:15 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:15 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1447.479998] nbd: must specify at least one socket 22:20:15 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x26}}]}, 0x28}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) 22:20:15 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:15 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:15 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x20054004) [ 1447.602858] nbd: must specify at least one socket 22:20:15 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:15 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) [ 1447.664024] nbd: must specify at least one socket 22:20:15 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x14, r2, 0x1}, 0x14}}, 0x20054004) [ 1447.760037] nbd: must specify at least one socket 22:20:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:15 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:15 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1447.803554] nbd: must specify at least one socket 22:20:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:15 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000040)={0x14, r2, 0x1}, 0x14}}, 0x0) 22:20:15 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={0x0}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:15 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1447.922707] nbd: must specify at least one socket 22:20:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:15 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1447.974399] nbd: must specify at least one socket 22:20:15 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:15 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={0x0}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1448.076730] nbd: must specify at least one socket 22:20:16 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={0x0}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:16 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r1) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="000400000000fbdbdf2502000000000000050001000000000014000500fc0200000000000000000000000000000a000100000028292300000008000800ffffffff14000500fe8000000000000000000000000000bb06000b000000000006000100ffff0000"], 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000300)={&(0x7f0000000280)={0x54, r2, 0x300, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x200000c0}, 0x4000004) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000500), r0) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r4) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f00000004c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x20040010}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x98, r5, 0x800, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x28}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @broadcast}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6_vti0\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @remote}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3f}}]}, 0x98}}, 0x4040080) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000140), 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x6c, 0x0, 0x200, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @broadcast}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @private=0xa010101}, @NLBL_UNLABEL_A_IPV4MASK={0xfffffffffffffd4c, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x21, 0x7, 'system_u:object_r:sysfs_t:s0\x00'}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4040000}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, 0x0, 0x0, 0x1}, 0xffffffffffffffc8}, 0x1, 0x0, 0x0, 0x8000}, 0x0) [ 1448.115214] nbd: must specify at least one socket [ 1448.133037] nbd: must specify at least one socket 22:20:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:16 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, 0x0, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) [ 1448.260697] nbd: must specify at least one socket 22:20:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:16 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1448.302247] nbd: must specify at least one socket 22:20:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, 0x0, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:16 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) [ 1448.408514] nbd: must specify at least one socket 22:20:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1448.448549] nbd: must specify at least one socket 22:20:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, 0x0, 0x1, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:16 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x44, 0x0, 0x800, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'syz_tun\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x800}, 0x40080c0) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r1}, 0x14}, 0x1, 0x0, 0x0, 0x800}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) 22:20:16 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) [ 1448.575805] nbd: must specify at least one socket 22:20:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:16 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$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:16 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:16 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) [ 1448.730249] nbd: must specify at least one socket 22:20:16 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x0, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:16 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:16 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$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:16 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x0, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) [ 1448.947111] nbd: must specify at least one socket 22:20:16 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:16 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$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:16 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x0, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:16 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x8c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x8c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:17 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 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$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:17 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x78, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}]}, 0x78}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) [ 1449.158508] nbd: must specify at least one socket 22:20:17 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1449.223929] nbd: must specify at least one socket 22:20:17 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:17 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:17 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x64, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}]}, 0x38}}, 0x4000004) 22:20:17 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1449.424010] nbd: must specify at least one socket 22:20:17 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x5c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:17 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1449.480288] nbd: must specify at least one socket 22:20:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1449.542499] nbd: must specify at least one socket 22:20:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x2c}}, 0x4000004) 22:20:17 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x54, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:17 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x44}}, 0x4000004) 22:20:17 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r1, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1449.667764] nbd: must specify at least one socket 22:20:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x4c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}]}, 0x4c}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}]}, 0x20}}, 0x4000004) 22:20:17 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x0, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:17 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1449.738639] nbd: must specify at least one socket 22:20:17 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40) 22:20:17 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x44, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x44}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) [ 1449.846266] nbd: must specify at least one socket 22:20:17 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x0, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:17 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40) 22:20:17 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x4000004) [ 1449.906058] nbd: must specify at least one socket 22:20:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x30, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x30}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) [ 1449.984245] nbd: must specify at least one socket 22:20:17 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1450.017344] nbd: must specify at least one socket 22:20:17 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) 22:20:18 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40) [ 1450.045668] nbd: must specify at least one socket 22:20:18 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x28}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:18 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1450.153872] nbd: must specify at least one socket [ 1450.173933] nbd: must specify at least one socket [ 1450.187066] nbd: must specify at least one socket [ 1450.198771] nbd: must specify at least one socket 22:20:18 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0xc1}, 0x20000880) 22:20:18 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:18 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40) 22:20:18 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40) 22:20:18 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:18 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1450.342712] nbd: must specify at least one socket 22:20:18 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$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x14, r2, 0x1}, 0x14}}, 0x20000880) 22:20:18 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:18 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) [ 1450.422702] nbd: must specify at least one socket 22:20:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1450.465208] nbd: must specify at least one socket 22:20:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000400)={0x14, r2, 0x1}, 0x14}}, 0x0) 22:20:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:18 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1450.627561] nbd: must specify at least one socket 22:20:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:18 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:18 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, 0x0, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @dev}}]}, 0x3c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup/syz1\x00', 0x200002, 0x0) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r3) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0xd0000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, r4, 0x200, 0x70bd26, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4000}, 0x80) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r6) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r6, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r7, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x480010}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x14, r7, 0x300, 0x70bd26, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x890}, 0x1) 22:20:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:18 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:18 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:18 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:19 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:19 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:19 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:19 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:19 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:19 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1451.250207] nla_parse: 59 callbacks suppressed [ 1451.250213] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1451.281158] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 22:20:19 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) [ 1451.301167] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1451.312965] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. [ 1451.324372] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 22:20:19 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:19 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1451.355297] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1451.393302] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) [ 1451.421476] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1451.430465] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1451.447456] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 22:20:19 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x5c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x5c}}, 0x4000004) 22:20:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:19 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, 0x0, 0x1, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 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$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r2) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r3, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000325bd7000fddbdf2508000000080008007f80310106202922290000000d62f0e6e90a77a6a0e00c45cfbc2a4a8dddaeecc9091a46add08736ffb91fac247e23c7a90fa71e8ba07004a728056ba49b6a74b773db3f77329ada1450a69063bf4e4f0b772daddd263ed676bc80e61d1c037d0eed54804c679c4abe44c140dc0e78793e9047303c55ea91da710a9306cde4e835700f5c0bd08ea8ec253802c718a2f0c896ef172129"], 0x24}, 0x1, 0x0, 0x0, 0x48c1}, 0x20008014) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r5, 0xb21}, 0x14}}, 0x0) 22:20:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 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$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r2) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r3, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000325bd7000fddbdf2508000000080008007f80310106202922290000000d62f0e6e90a77a6a0e00c45cfbc2a4a8dddaeecc9091a46add08736ffb91fac247e23c7a90fa71e8ba07004a728056ba49b6a74b773db3f77329ada1450a69063bf4e4f0b772daddd263ed676bc80e61d1c037d0eed54804c679c4abe44c140dc0e78793e9047303c55ea91da710a9306cde4e835700f5c0bd08ea8ec253802c718a2f0c896ef172129"], 0x24}, 0x1, 0x0, 0x0, 0x48c1}, 0x20008014) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r5, 0xb21}, 0x14}}, 0x0) 22:20:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:19 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1451.633983] nbd: must specify at least one socket 22:20:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:19 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:19 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x0, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:19 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:19 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) [ 1451.908448] nbd: must specify at least one socket 22:20:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 executing program 5: ioctl$VIDIOC_ENUM_FREQ_BANDS(0xffffffffffffffff, 0xc0405665, &(0x7f00000001c0)={0x80, 0x1, 0x5, 0x800, 0x9, 0x0, 0xc}) 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), r0) sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x64, r3, 0x400, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x64}}, 0x8000000) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)={0x3c, r4, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @dev}}]}, 0x3c}}, 0x0) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:19 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:19 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:19 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:20 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) [ 1452.092043] nbd: must specify an index to disconnect 22:20:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:20 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:20 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(0x0, r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x4000004) 22:20:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1452.203091] nbd: must specify an index to disconnect 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) [ 1452.270313] nbd: must specify an index to disconnect 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:20 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1452.307966] nbd: must specify an index to disconnect 22:20:20 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r5) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000580)={0x70, r6, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000600)=ANY=[@ANYBLOB="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", @ANYRES16=r6, @ANYBLOB="32082bbd7000fddbdf250200000014000600fe8800000000ff020000000000000000000000000000080007007f00000100"/78], 0x54}, 0x1, 0x0, 0x0, 0x2400002d}, 0x44000) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYRES8=r3, @ANYRES16=0x0, @ANYBLOB="000000cf1e000000000000000000"], 0x14}}, 0x0) 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x0, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x40) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) [ 1452.368944] nbd: must specify an index to disconnect 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x0, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:20 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) 22:20:20 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r5) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000580)={0x70, r6, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000600)=ANY=[@ANYBLOB="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", @ANYRES16=r6, @ANYBLOB="32082bbd7000fddbdf250200000014000600fe8800000000ff020000000000000000000000000000080007007f00000100"/78], 0x54}, 0x1, 0x0, 0x0, 0x2400002d}, 0x44000) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYRES8=r3, @ANYRES16=0x0, @ANYBLOB="000000cf1e000000000000000000"], 0x14}}, 0x0) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x4000004) 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, 0x0, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x0, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1452.463928] nbd: must specify an index to disconnect 22:20:20 executing program 0: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r5) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000580)={0x70, r6, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000600)=ANY=[@ANYBLOB="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", @ANYRES16=r6, @ANYBLOB="32082bbd7000fddbdf250200000014000600fe8800000000ff020000000000000000000000000000080007007f00000100"/78], 0x54}, 0x1, 0x0, 0x0, 0x2400002d}, 0x44000) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYRES8=r3, @ANYRES16=0x0, @ANYBLOB="000000cf1e000000000000000000"], 0x14}}, 0x0) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, 0x0, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:20 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) 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$netlbl_mgmt(&(0x7f0000000040), r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r5) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000580)={0x70, r6, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000600)=ANY=[@ANYBLOB="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", @ANYRES16=r6, @ANYBLOB="32082bbd7000fddbdf250200000014000600fe8800000000ff020000000000000000000000000000080007007f00000100"/78], 0x54}, 0x1, 0x0, 0x0, 0x2400002d}, 0x44000) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYRES8=r3, @ANYRES16=0x0, @ANYBLOB="000000cf1e000000000000000000"], 0x14}}, 0x0) 22:20:20 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, 0x0, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x44}}, 0x4000004) [ 1452.573406] nbd: must specify at least one socket 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:20 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000580)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000600)=ANY=[@ANYBLOB="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", @ANYRES16=r5, @ANYBLOB="32082bbd7000fddbdf250200000014000600fe8800000000ff020000000000000000000000000000080007007f00000100"/78], 0x54}, 0x1, 0x0, 0x0, 0x2400002d}, 0x44000) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) [ 1452.656937] nbd: must specify at least one socket 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x0, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x38}}, 0x4000004) 22:20:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x4000004) 22:20:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x0, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x2c}}, 0x4000004) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) [ 1452.753980] nbd: must specify at least one socket 22:20:20 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000580)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000600)=ANY=[@ANYBLOB="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", @ANYRES16=r5, @ANYBLOB="32082bbd7000fddbdf250200000014000600fe8800000000ff020000000000000000000000000000080007007f00000100"/78], 0x54}, 0x1, 0x0, 0x0, 0x2400002d}, 0x44000) 22:20:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400005e09c41feefe163441cc38fdd68b70001cc645bc41610f01cf886ac440cae8fe6828f478e59a6607ef302936ca9fd89eb1687fc4ab6ac800bd49147283106ce0d756258b5e84e370a5b5460e2899d21c8f92f62b95d0488af5e534f4cbc007bcfb6b6b8aa13ed24d78b9d5fe8d40d15dd5f2384d98bfdbe71d358d3491d900870a787ce461b40222ec1d92efda3a43dd282988afa6b92b44abfea69b91f2c910672a955545dae201128aaf2307c9e0fe9f857f0e460cc1e09be1652078d66acb96191e290a057867ceb9c53d83960af8137b634170cfbdc313fe5314dac1190a62460a0d1277052de1a01636e854", @ANYRES16=r2, @ANYBLOB="210b000000a90000000007000000"], 0x14}}, 0x0) 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x0, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) 22:20:20 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000580)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) 22:20:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x1, 0x70bd26, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x40801) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) [ 1452.894568] nbd: must specify at least one socket 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}]}, 0x20}}, 0x4000004) 22:20:20 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) 22:20:20 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) [ 1452.979547] nbd: must specify at least one socket 22:20:20 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x1, 0x70bd26, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x40801) 22:20:20 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x4000004) 22:20:20 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) 22:20:20 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}]}, 0x44}}, 0x4000004) 22:20:20 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x4c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x4c}}, 0x4000004) [ 1453.016543] nbd: must specify at least one socket 22:20:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1453.077074] nbd: must specify at least one socket 22:20:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}]}, 0x38}}, 0x4000004) 22:20:21 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 22:20:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x1, 0x70bd26, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, 0x28}, 0x1, 0x0, 0x0, 0x80}, 0x40801) [ 1453.100808] nbd: must specify at least one socket 22:20:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}}, 0x4000004) 22:20:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) 22:20:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) [ 1453.167267] nbd: must specify at least one socket 22:20:21 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000540)) 22:20:21 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$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}]}, 0x2c}}, 0x4000004) [ 1453.190509] nbd: must specify at least one socket 22:20:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) [ 1453.229178] nbd: must specify at least one socket 22:20:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}}, 0x4000004) 22:20:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:21 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) 22:20:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) [ 1453.286164] nbd: must specify at least one socket 22:20:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}]}, 0x20}}, 0x4000004) 22:20:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}}, 0x4000004) 22:20:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) [ 1453.319070] nbd: must specify at least one socket 22:20:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x38}}, 0x4000004) 22:20:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(0x0, r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:21 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) [ 1453.387119] nbd: must specify at least one socket 22:20:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:21 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x4000004) [ 1453.413683] nbd: must specify at least one socket [ 1453.428159] nbd: must specify at least one socket 22:20:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x44}}, 0x4000004) 22:20:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:21 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 22:20:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x50, r1, 0x0, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x50}}, 0x4000004) [ 1453.501749] nbd: must specify at least one socket 22:20:21 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x14, r1, 0x1}, 0x14}}, 0x0) 22:20:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x3c}}, 0x4000004) 22:20:21 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) 22:20:21 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(0x0, r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:21 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$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x30}}, 0x4000004) 22:20:21 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) [ 1453.597473] nbd: must specify at least one socket 22:20:21 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 22:20:21 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(0x0, r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:21 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$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r1, 0x100, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffff}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x8}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x41}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}]}, 0x60}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r2) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r4, 0xb21}, 0x14}}, 0x0) 22:20:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x4000004) 22:20:21 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:21 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 22:20:21 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:21 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x4000004) 22:20:21 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x4000004) 22:20:21 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(0x0, r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:21 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) ioctl$DMA_BUF_IOCTL_SYNC(0xffffffffffffffff, 0x40086200, &(0x7f00000003c0)=0x4) 22:20:21 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x4000004) [ 1453.800726] nbd: must specify a size in bytes for the device 22:20:21 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:21 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(0x0, r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:21 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x0, 0x96, 0x9a, 0x9, 0x7fffffff, 0x1, 0x7, 0xfa6}, &(0x7f0000000040)={0x5, 0x813, 0x0, 0x5, 0x8, 0x67, 0x2, 0x8}, &(0x7f0000000080)={0x1ff, 0x9, 0x200000000000, 0x48df25be, 0x4, 0x4f, 0x10000, 0xefaa}, &(0x7f0000000100)={r0, r1+60000000}, &(0x7f0000000240)={&(0x7f0000000140)={[0x7]}, 0x8}) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) 22:20:21 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40) 22:20:21 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:21 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:21 executing program 5: clock_gettime(0x0, &(0x7f00000000c0)) pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) 22:20:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(0x0, r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) [ 1453.930878] nbd: must specify a size in bytes for the device 22:20:21 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x18, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}]}, 0x18}}, 0x4000004) 22:20:21 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:21 executing program 5: pselect6(0x40, &(0x7f0000000280)={0x4, 0x636c57a, 0x2, 0x7c, 0x0, 0x9, 0x9, 0x101}, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) 22:20:21 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40) 22:20:21 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:21 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 5: pselect6(0x0, 0x0, &(0x7f00000002c0)={0x7, 0x10000, 0xec1, 0x100, 0x8, 0x2, 0x1, 0x100000001}, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) 22:20:22 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) [ 1454.060437] nbd: must specify a size in bytes for the device 22:20:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x4000004) 22:20:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40) 22:20:22 executing program 5: pselect6(0x0, 0x0, 0x0, &(0x7f0000000300)={0x100000000, 0x0, 0x0, 0x4, 0x1000, 0x6, 0xfff, 0x8}, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) 22:20:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 22:20:22 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:22 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:22 executing program 5: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000340)={[0x1f]}, 0x8}) 22:20:22 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, 0x0, 0x40) 22:20:22 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 executing program 5: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:22 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r1, &(0x7f0000000400)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x44, 0x0, 0x8, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'nicvf0\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x800}, 0x40010) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=ANY=[@ANYBLOB="4000d5bb588cdc196934408ca2a30bef54646a0e3c4ddb635ed6828753dde90c47681f1c71ad9e3068a4fee5654340502a4f8bfa7c4220926a15e9473fed6fadd29a55a970726fed42a39aa593195c54b497dcc3b8f907a46b8e8e7e43e4d378bc5ce3d4400e6df26c40b9a10ed406dcbceca176", @ANYRES16=r3, @ANYBLOB="010000000000000000000700000014000200fc0000000000000000000000000000001400030000000000000000000000ffffac141400"], 0x3c}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x44, r7, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7372}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x44}, 0x1, 0x0, 0x0, 0x4001}, 0x4001) 22:20:22 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:22 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000540)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)=ANY=[@ANYBLOB="240000f5", @ANYRES16=0x0, @ANYBLOB="02002cbd7000fcdbdf2508000000080002000500000006000b0027000000"], 0x24}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000740), r1) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000800)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000780)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010027bd7000fedbdf2501000000080008000000000008001c0001000000080008006401010206000b000a000000"], 0x34}}, 0x4000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000680), r6) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000640)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000600)={&(0x7f0000000380)={0x1c, 0x0, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8c1}, 0x20000000) socketpair(0x23, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000580)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01032c000c0005002a0000000000000006000a405c5d00000cff0500000000000000eb0700000000000000000c00000065fa1ee41e75b3a57f966905b6c301800000000000000c3a60dfabda96302d7900fff8ffffff"], 0x54}, 0x1, 0x0, 0x0, 0x42000}, 0x40000000) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000001c0)={&(0x7f00000006c0)=ANY=[@ANYBLOB="280000001c6dc2895a488446f1440f447e894c450fc82f908d8fe5d387015ea0dd3c00cd982a453cfa1a9220a352164df92b030000007bb766ac62fd1cc871dca1deaee2297d1e6a7c9896ee07d7576bb4", @ANYRES16=0x0, @ANYBLOB="000225bd7000fcdbdf250400000014000300fc0100"/34], 0x28}, 0x1, 0x0, 0x0, 0x4800}, 0x240000c0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)=ANY=[@ANYBLOB="16000000", @ANYRES16=r2, @ANYBLOB='\x00\x00'], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x24000c10) 22:20:22 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x4040000) 22:20:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000540)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000500)={&(0x7f00000004c0)=ANY=[@ANYBLOB="240000f5", @ANYRES16=0x0, @ANYBLOB="02002cbd7000fcdbdf2508000000080002000500000006000b0027000000"], 0x24}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000740), r1) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000800)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000007c0)={&(0x7f0000000780)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="010027bd7000fedbdf2501000000080008000000000008001c0001000000080008006401010206000b000a000000"], 0x34}}, 0x4000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000680), r6) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r5, &(0x7f0000000640)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000600)={&(0x7f0000000380)={0x1c, 0x0, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @empty}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8c1}, 0x20000000) socketpair(0x23, 0x0, 0x0, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000440)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000580)=ANY=[@ANYBLOB='T\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01032c000c0005002a0000000000000006000a405c5d00000cff0500000000000000eb0700000000000000000c00000065fa1ee41e75b3a57f966905b6c301800000000000000c3a60dfabda96302d7900fff8ffffff"], 0x54}, 0x1, 0x0, 0x0, 0x42000}, 0x40000000) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r7, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000001c0)={&(0x7f00000006c0)=ANY=[@ANYBLOB="280000001c6dc2895a488446f1440f447e894c450fc82f908d8fe5d387015ea0dd3c00cd982a453cfa1a9220a352164df92b030000007bb766ac62fd1cc871dca1deaee2297d1e6a7c9896ee07d7576bb4", @ANYRES16=0x0, @ANYBLOB="000225bd7000fcdbdf250400000014000300fc0100"/34], 0x28}, 0x1, 0x0, 0x0, 0x4800}, 0x240000c0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)=ANY=[@ANYBLOB="16000000", @ANYRES16=r2, @ANYBLOB='\x00\x00'], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x100, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x24000c10) 22:20:22 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 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$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r7) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r7, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r8, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x68, r8, 0x400, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tpm_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x4040000}, 0x4) sendmsg$NLBL_UNLABEL_C_LIST(r4, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r6, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44054}, 0x40014) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000003c0)={&(0x7f00000004c0)=ANY=[@ANYBLOB="4000007fe2fe86e29d2ca32379a4f20f500036b23f9b494021264e8ffd84d24d80620e", @ANYRES16=r5, @ANYBLOB="200028bd7000fddbdf250800000008000400ffffffff14000600ff0200000000000000000000000000010f0001004e4c424c5f554e4c424c0000"], 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x0) 22:20:22 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), 0xffffffffffffffff) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, 0x0, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x4040000) 22:20:22 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r1) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, 0x0, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, 0x0, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)={0x28, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x28}}, 0x0) 22:20:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r7) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r7, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r8, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x68, r8, 0x400, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tpm_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x4040000}, 0x4) sendmsg$NLBL_UNLABEL_C_LIST(r4, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r6, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44054}, 0x40014) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000003c0)={&(0x7f00000004c0)=ANY=[@ANYBLOB="4000007fe2fe86e29d2ca32379a4f20f500036b23f9b494021264e8ffd84d24d80620e", @ANYRES16=r5, @ANYBLOB="200028bd7000fddbdf250800000008000400ffffffff14000600ff0200000000000000000000000000010f0001004e4c424c5f554e4c424c0000"], 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x0) 22:20:22 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, 0x0, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x4040000) 22:20:22 executing program 3: r0 = syz_init_net_socket$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) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @dev}}]}, 0x3c}}, 0x0) 22:20:22 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:22 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 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$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r7) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r7, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r8, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x68, r8, 0x400, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tpm_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x4040000}, 0x4) sendmsg$NLBL_UNLABEL_C_LIST(r4, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r6, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44054}, 0x40014) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000003c0)={&(0x7f00000004c0)=ANY=[@ANYBLOB="4000007fe2fe86e29d2ca32379a4f20f500036b23f9b494021264e8ffd84d24d80620e", @ANYRES16=r5, @ANYBLOB="200028bd7000fddbdf250800000008000400ffffffff14000600ff0200000000000000000000000000010f0001004e4c424c5f554e4c424c0000"], 0x40}, 0x1, 0x0, 0x0, 0x801}, 0x0) 22:20:22 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r5, &(0x7f00000005c0)={&(0x7f0000000500), 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2041}, 0x1) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x24, 0x0, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000c4}, 0x0) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, r7, 0x901, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6erspan0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}]}, 0x58}, 0x1, 0x0, 0x0, 0x20000005}, 0x890) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000380), r0) 22:20:22 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r7) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r7, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r8, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x68, r8, 0x400, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tpm_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x4040000}, 0x4) sendmsg$NLBL_UNLABEL_C_LIST(r4, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r6, 0x800, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}]}, 0x1c}, 0x1, 0x0, 0x0, 0x44054}, 0x40014) 22:20:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x4040000) 22:20:22 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r5, &(0x7f00000005c0)={&(0x7f0000000500), 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2041}, 0x1) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x24, 0x0, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000c4}, 0x0) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, r7, 0x901, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6erspan0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}]}, 0x58}, 0x1, 0x0, 0x0, 0x20000005}, 0x890) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000380), r0) 22:20:22 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x40) 22:20:22 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:22 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r6) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r6, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r7, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f0000000700)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x68, r7, 0x400, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:tpm_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}]}, 0x68}, 0x1, 0x0, 0x0, 0x4040000}, 0x4) 22:20:22 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x4040000) 22:20:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r5, &(0x7f00000005c0)={&(0x7f0000000500), 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2041}, 0x1) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x24, 0x0, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000c4}, 0x0) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, r7, 0x901, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6erspan0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}]}, 0x58}, 0x1, 0x0, 0x0, 0x20000005}, 0x890) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000380), r0) 22:20:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r6) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r6, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r7, 0x1}, 0x14}}, 0x0) 22:20:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x4040000) 22:20:23 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x40) 22:20:23 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)=ANY=[@ANYBLOB='<\b\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000000000000700000014000200fc0000000000000000000000000000001400030000000000000000000000ffffac141400"], 0x3c}}, 0x0) 22:20:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r5, &(0x7f00000005c0)={&(0x7f0000000500), 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2041}, 0x1) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x24, 0x0, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000c4}, 0x0) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, r7, 0x901, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6erspan0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}]}, 0x58}, 0x1, 0x0, 0x0, 0x20000005}, 0x890) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000380), r0) 22:20:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r6) 22:20:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x4040000) [ 1455.234938] nbd: must specify an index to disconnect 22:20:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) 22:20:23 executing program 5: r0 = syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r2) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000003c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x28, 0x0, 0x300, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}]}, 0x28}, 0x1, 0x0, 0x0, 0x4080}, 0x20000000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000400), r5) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000000}, 0xffffffffffffff71, &(0x7f0000000240)={&(0x7f0000000180)={0x1c, r4, 0x1, 0x70bd24, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0x0, 0x6, 0x1}]}, 0x1c}}, 0x4000080) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0xa25, 0x70bd2a, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8000000000000001}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_TIMEOUT={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x840}, 0x41) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000200)={0xffffffffffffffff, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="140000002b1a7c80de4f0fb3e84d31d73ff7bc7d", @ANYRES16=0x0, @ANYBLOB="0000000000000000000005000000"], 0x14}}, 0x0) 22:20:23 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 22:20:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x4040000) [ 1455.328464] nbd: must specify an index to disconnect 22:20:23 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r5, &(0x7f00000005c0)={&(0x7f0000000500), 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2041}, 0x1) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x24, 0x0, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000c4}, 0x0) r7 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, r7, 0x901, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'ip6erspan0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast2}]}, 0x58}, 0x1, 0x0, 0x0, 0x20000005}, 0x890) 22:20:23 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r1) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)={0x3c, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @dev}}]}, 0x3c}}, 0x0) 22:20:23 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x4040000) 22:20:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), r0) 22:20:23 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r5, &(0x7f00000005c0)={&(0x7f0000000500), 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2041}, 0x1) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x24, 0x0, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000c4}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000180), r1) 22:20:23 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$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000080)={0x3c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @dev}}]}, 0x3c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000040), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r5) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x50, r6, 0x1, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x81}}]}, 0x50}}, 0x20000000) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r4, 0x800, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0xe}}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040}, 0x11) 22:20:23 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:23 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$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) 22:20:23 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$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), r0) 22:20:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r5, &(0x7f00000005c0)={&(0x7f0000000500), 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2041}, 0x1) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x24, 0x0, 0x100, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000c4}, 0x0) 22:20:23 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$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f00000001c0), r0) 22:20:23 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000005c0)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x24, r5, 0x1, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x24004841}, 0x4) 22:20:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:23 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r5, &(0x7f00000005c0)={&(0x7f0000000500), 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2041}, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 22:20:23 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r4, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r4, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) 22:20:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, 0x0, 0x1, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:23 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r4, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r5, &(0x7f00000005c0)={&(0x7f0000000500), 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2041}, 0x1) 22:20:23 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r4, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 22:20:23 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000300), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) getresuid(0x0, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) epoll_wait(0xffffffffffffffff, &(0x7f0000000100)=[{}], 0x1, 0x0) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(0xffffffffffffffff, 0xc018937c, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r4, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x7c, r1, 0x1, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r4}, {0x8}, {0x8}]}]}, 0x7c}}, 0x4000004) 22:20:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x0, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:23 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) 22:20:23 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r5, &(0x7f00000005c0)={&(0x7f0000000500), 0xc, &(0x7f0000000580)={&(0x7f0000000540)={0x2c, r4, 0x400, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x2041}, 0x1) 22:20:23 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (fail_nth: 1) 22:20:23 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x0, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x0, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:23 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (fail_nth: 1) 22:20:23 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (fail_nth: 1) 22:20:23 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) [ 1455.962830] FAULT_INJECTION: forcing a failure. [ 1455.962830] name failslab, interval 1, probability 0, space 0, times 0 [ 1455.995430] CPU: 0 PID: 2702 Comm: syz-executor.2 Not tainted 4.14.307-syzkaller #0 [ 1456.003258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 22:20:23 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x0, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) [ 1456.012620] Call Trace: [ 1456.015228] dump_stack+0x1b2/0x281 [ 1456.018882] should_fail.cold+0x10a/0x149 [ 1456.023053] should_failslab+0xd6/0x130 [ 1456.027044] kmem_cache_alloc_node+0x263/0x410 [ 1456.031644] __alloc_skb+0x5c/0x510 [ 1456.035287] netlink_sendmsg+0x927/0xbc0 [ 1456.039366] ? nlmsg_notify+0x1b0/0x1b0 [ 1456.043349] ? kernel_recvmsg+0x210/0x210 [ 1456.047521] ? security_socket_sendmsg+0x83/0xb0 [ 1456.052305] ? nlmsg_notify+0x1b0/0x1b0 [ 1456.056286] sock_sendmsg+0xb5/0x100 22:20:23 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 22:20:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x0, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) [ 1456.060011] ___sys_sendmsg+0x6c8/0x800 [ 1456.063998] ? get_pid_task+0x91/0x130 [ 1456.067897] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1456.072665] ? lock_downgrade+0x740/0x740 [ 1456.076824] ? __fget+0x23e/0x3e0 [ 1456.080293] ? lock_acquire+0x170/0x3f0 [ 1456.084294] ? lock_downgrade+0x740/0x740 [ 1456.088464] ? __fget+0x265/0x3e0 [ 1456.091932] ? __fdget+0x19b/0x1f0 [ 1456.095481] ? sockfd_lookup_light+0xb2/0x160 [ 1456.099986] __sys_sendmsg+0xa3/0x120 [ 1456.103797] ? SyS_shutdown+0x160/0x160 [ 1456.107786] ? wait_for_completion_io+0x10/0x10 22:20:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) 22:20:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) [ 1456.112477] ? SyS_read+0x210/0x210 [ 1456.116111] ? __do_page_fault+0x159/0xad0 [ 1456.120357] SyS_sendmsg+0x27/0x40 [ 1456.123905] ? __sys_sendmsg+0x120/0x120 [ 1456.127977] do_syscall_64+0x1d5/0x640 [ 1456.131881] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1456.137162] RIP: 0033:0x7fb384cb30f9 [ 1456.140876] RSP: 002b:00007fb383225168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1456.148595] RAX: ffffffffffffffda RBX: 00007fb384dd2f80 RCX: 00007fb384cb30f9 [ 1456.155876] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000005 [ 1456.163154] RBP: 00007fb3832251d0 R08: 0000000000000000 R09: 0000000000000000 [ 1456.170456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1456.177742] R13: 00007fffdaad699f R14: 00007fb383225300 R15: 0000000000022000 [ 1456.221919] FAULT_INJECTION: forcing a failure. [ 1456.221919] name failslab, interval 1, probability 0, space 0, times 0 [ 1456.238029] CPU: 0 PID: 2726 Comm: syz-executor.5 Not tainted 4.14.307-syzkaller #0 [ 1456.245846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1456.255201] Call Trace: [ 1456.257806] dump_stack+0x1b2/0x281 [ 1456.261457] should_fail.cold+0x10a/0x149 [ 1456.265622] should_failslab+0xd6/0x130 [ 1456.269609] kmem_cache_alloc_node+0x263/0x410 [ 1456.274224] __alloc_skb+0x5c/0x510 [ 1456.277868] netlink_sendmsg+0x927/0xbc0 [ 1456.281942] ? nlmsg_notify+0x1b0/0x1b0 [ 1456.285937] ? kernel_recvmsg+0x210/0x210 [ 1456.290097] ? security_socket_sendmsg+0x83/0xb0 [ 1456.294864] ? nlmsg_notify+0x1b0/0x1b0 [ 1456.298855] sock_sendmsg+0xb5/0x100 [ 1456.302579] ___sys_sendmsg+0x6c8/0x800 [ 1456.306558] ? get_pid_task+0x91/0x130 [ 1456.310456] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1456.315232] ? lock_downgrade+0x740/0x740 [ 1456.319393] ? __fget+0x23e/0x3e0 [ 1456.322860] ? lock_acquire+0x170/0x3f0 [ 1456.326847] ? lock_downgrade+0x740/0x740 [ 1456.331006] ? __fget+0x265/0x3e0 [ 1456.334483] ? __fdget+0x19b/0x1f0 [ 1456.338037] ? sockfd_lookup_light+0xb2/0x160 [ 1456.342544] __sys_sendmsg+0xa3/0x120 [ 1456.346370] ? SyS_shutdown+0x160/0x160 [ 1456.350354] ? wait_for_completion_io+0x10/0x10 [ 1456.355047] ? SyS_read+0x210/0x210 [ 1456.358680] ? __do_page_fault+0x159/0xad0 [ 1456.362951] SyS_sendmsg+0x27/0x40 [ 1456.366498] ? __sys_sendmsg+0x120/0x120 [ 1456.370568] do_syscall_64+0x1d5/0x640 [ 1456.374470] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1456.379661] RIP: 0033:0x7f2405b960f9 [ 1456.383374] RSP: 002b:00007f2404108168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1456.391087] RAX: ffffffffffffffda RBX: 00007f2405cb5f80 RCX: 00007f2405b960f9 [ 1456.398362] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1456.405617] RBP: 00007f24041081d0 R08: 0000000000000000 R09: 0000000000000000 [ 1456.412881] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 22:20:24 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(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (fail_nth: 2) 22:20:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200c0240}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r3, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x19}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x40080) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:24 executing program 1: r0 = syz_open_dev$vivid(&(0x7f0000000000), 0x1, 0x2) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x7ae9}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(r1, 0xc0189373, &(0x7f0000000100)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r1, @ANYBLOB="09001000000000002e2f66696c653000"]) ioctl$VIDIOC_ENUMAUDIO(r2, 0xc0345641, &(0x7f0000000040)={0x5, "a450faf4e838c1d817ef31347fe4cd725ca1a8ccf15d078273e2cf7444c7e2af", 0x3, 0x1}) r3 = geteuid() ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {r3, 0xffffffffffffffff}}, './file0\x00'}) ioctl$VIDIOC_G_AUDOUT(r0, 0x80345631, &(0x7f0000000080)) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (fail_nth: 2) [ 1456.420148] R13: 00007ffdbcdce4ff R14: 00007f2404108300 R15: 0000000000022000 22:20:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:24 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:24 executing program 1: r0 = syz_open_dev$vivid(&(0x7f0000000000), 0x1, 0x2) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x7ae9}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(r1, 0xc0189373, &(0x7f0000000100)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r1, @ANYBLOB="09001000000000002e2f66696c653000"]) ioctl$VIDIOC_ENUMAUDIO(r2, 0xc0345641, &(0x7f0000000040)={0x5, "a450faf4e838c1d817ef31347fe4cd725ca1a8ccf15d078273e2cf7444c7e2af", 0x3, 0x1}) r3 = geteuid() ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {r3, 0xffffffffffffffff}}, './file0\x00'}) (async) ioctl$VIDIOC_G_AUDOUT(r0, 0x80345631, &(0x7f0000000080)) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:24 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) [ 1456.515313] FAULT_INJECTION: forcing a failure. [ 1456.515313] name failslab, interval 1, probability 0, space 0, times 0 [ 1456.549081] FAULT_INJECTION: forcing a failure. [ 1456.549081] name failslab, interval 1, probability 0, space 0, times 0 22:20:24 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) [ 1456.573461] CPU: 0 PID: 2740 Comm: syz-executor.5 Not tainted 4.14.307-syzkaller #0 [ 1456.581282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1456.590644] Call Trace: [ 1456.593242] dump_stack+0x1b2/0x281 [ 1456.596884] should_fail.cold+0x10a/0x149 [ 1456.601043] should_failslab+0xd6/0x130 [ 1456.605032] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1456.610157] __kmalloc_node_track_caller+0x38/0x70 [ 1456.615098] __alloc_skb+0x96/0x510 [ 1456.618734] netlink_sendmsg+0x927/0xbc0 [ 1456.622805] ? nlmsg_notify+0x1b0/0x1b0 [ 1456.626785] ? kernel_recvmsg+0x210/0x210 [ 1456.630942] ? security_socket_sendmsg+0x83/0xb0 [ 1456.635702] ? nlmsg_notify+0x1b0/0x1b0 [ 1456.639684] sock_sendmsg+0xb5/0x100 [ 1456.643413] ___sys_sendmsg+0x6c8/0x800 [ 1456.647437] ? get_pid_task+0x91/0x130 [ 1456.651331] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1456.656097] ? lock_downgrade+0x740/0x740 [ 1456.660257] ? __fget+0x23e/0x3e0 [ 1456.663760] ? lock_acquire+0x170/0x3f0 [ 1456.667759] ? lock_downgrade+0x740/0x740 [ 1456.671922] ? __fget+0x265/0x3e0 [ 1456.675393] ? __fdget+0x19b/0x1f0 [ 1456.678947] ? sockfd_lookup_light+0xb2/0x160 [ 1456.683453] __sys_sendmsg+0xa3/0x120 [ 1456.687261] ? SyS_shutdown+0x160/0x160 [ 1456.691260] ? wait_for_completion_io+0x10/0x10 [ 1456.695955] ? SyS_read+0x210/0x210 [ 1456.699590] ? __do_page_fault+0x159/0xad0 [ 1456.703844] SyS_sendmsg+0x27/0x40 [ 1456.707388] ? __sys_sendmsg+0x120/0x120 [ 1456.711475] do_syscall_64+0x1d5/0x640 [ 1456.715390] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1456.720587] RIP: 0033:0x7f2405b960f9 [ 1456.724342] RSP: 002b:00007f2404108168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1456.732062] RAX: ffffffffffffffda RBX: 00007f2405cb5f80 RCX: 00007f2405b960f9 [ 1456.739336] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1456.746606] RBP: 00007f24041081d0 R08: 0000000000000000 R09: 0000000000000000 [ 1456.753959] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1456.761238] R13: 00007ffdbcdce4ff R14: 00007f2404108300 R15: 0000000000022000 [ 1456.768859] CPU: 0 PID: 2744 Comm: syz-executor.2 Not tainted 4.14.307-syzkaller #0 [ 1456.776658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1456.786011] Call Trace: [ 1456.788609] dump_stack+0x1b2/0x281 [ 1456.792354] should_fail.cold+0x10a/0x149 [ 1456.796532] should_failslab+0xd6/0x130 [ 1456.800524] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1456.805667] __kmalloc_node_track_caller+0x38/0x70 [ 1456.810608] __alloc_skb+0x96/0x510 [ 1456.814249] netlink_sendmsg+0x927/0xbc0 [ 1456.818324] ? nlmsg_notify+0x1b0/0x1b0 [ 1456.822301] ? kernel_recvmsg+0x210/0x210 [ 1456.826465] ? security_socket_sendmsg+0x83/0xb0 [ 1456.831230] ? nlmsg_notify+0x1b0/0x1b0 [ 1456.835217] sock_sendmsg+0xb5/0x100 [ 1456.838938] ___sys_sendmsg+0x6c8/0x800 [ 1456.843008] ? get_pid_task+0x91/0x130 [ 1456.846924] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1456.851690] ? lock_downgrade+0x740/0x740 [ 1456.855828] ? __fget+0x23e/0x3e0 [ 1456.859282] ? lock_acquire+0x170/0x3f0 [ 1456.863276] ? lock_downgrade+0x740/0x740 [ 1456.867423] ? __fget+0x265/0x3e0 [ 1456.870882] ? __fdget+0x19b/0x1f0 [ 1456.874414] ? sockfd_lookup_light+0xb2/0x160 [ 1456.878901] __sys_sendmsg+0xa3/0x120 [ 1456.882690] ? SyS_shutdown+0x160/0x160 [ 1456.886664] ? wait_for_completion_io+0x10/0x10 [ 1456.891353] ? SyS_read+0x210/0x210 [ 1456.895007] ? __do_page_fault+0x159/0xad0 [ 1456.899236] SyS_sendmsg+0x27/0x40 [ 1456.902774] ? __sys_sendmsg+0x120/0x120 [ 1456.906842] do_syscall_64+0x1d5/0x640 [ 1456.910753] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1456.916019] RIP: 0033:0x7fb384cb30f9 22:20:24 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (fail_nth: 3) 22:20:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:24 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:24 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:24 executing program 1: r0 = syz_open_dev$vivid(&(0x7f0000000000), 0x1, 0x2) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x7ae9}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(r1, 0xc0189373, &(0x7f0000000100)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r1, @ANYBLOB="09001000000000002e2f66696c653000"]) (async) ioctl$VIDIOC_ENUMAUDIO(r2, 0xc0345641, &(0x7f0000000040)={0x5, "a450faf4e838c1d817ef31347fe4cd725ca1a8ccf15d078273e2cf7444c7e2af", 0x3, 0x1}) r3 = geteuid() ioctl$AUTOFS_DEV_IOCTL_REQUESTER(r2, 0xc018937b, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {r3, 0xffffffffffffffff}}, './file0\x00'}) (async) ioctl$VIDIOC_G_AUDOUT(r0, 0x80345631, &(0x7f0000000080)) (async, rerun: 32) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (rerun: 32) 22:20:24 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (fail_nth: 3) [ 1456.919713] RSP: 002b:00007fb383225168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1456.927411] RAX: ffffffffffffffda RBX: 00007fb384dd2f80 RCX: 00007fb384cb30f9 [ 1456.934685] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000005 [ 1456.941953] RBP: 00007fb3832251d0 R08: 0000000000000000 R09: 0000000000000000 [ 1456.949214] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1456.956484] R13: 00007fffdaad699f R14: 00007fb383225300 R15: 0000000000022000 22:20:24 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:24 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:24 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x24}}, 0x4040000) 22:20:24 executing program 1: pselect6(0x3d, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x1, &(0x7f0000000000)=@raw=[@call={0x85, 0x0, 0x0, 0x88}], &(0x7f0000000040)='GPL\x00', 0x2, 0xe1, &(0x7f0000000080)=""/225, 0x40f00, 0x13, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000180)={0x4, 0x1}, 0x8, 0x10, &(0x7f00000001c0)={0x4, 0xb, 0xffff}, 0x10}, 0x80) [ 1457.032208] FAULT_INJECTION: forcing a failure. [ 1457.032208] name failslab, interval 1, probability 0, space 0, times 0 [ 1457.064905] CPU: 0 PID: 2777 Comm: syz-executor.5 Not tainted 4.14.307-syzkaller #0 [ 1457.072731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 22:20:25 executing program 1: pselect6(0x3d, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x1, &(0x7f0000000000)=@raw=[@call={0x85, 0x0, 0x0, 0x88}], &(0x7f0000000040)='GPL\x00', 0x2, 0xe1, &(0x7f0000000080)=""/225, 0x40f00, 0x13, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000180)={0x4, 0x1}, 0x8, 0x10, &(0x7f00000001c0)={0x4, 0xb, 0xffff}, 0x10}, 0x80) [ 1457.082089] Call Trace: [ 1457.084691] dump_stack+0x1b2/0x281 [ 1457.088365] should_fail.cold+0x10a/0x149 [ 1457.092525] should_failslab+0xd6/0x130 [ 1457.096540] kmem_cache_alloc_trace+0x29a/0x3d0 [ 1457.101248] nbd_alloc_config+0x5e/0x180 [ 1457.105323] nbd_genl_connect+0x40f/0x13e0 [ 1457.109573] ? nbd_xmit_timeout+0x500/0x500 [ 1457.113905] ? validate_nla+0x192/0x5e0 [ 1457.117887] ? nla_parse+0x157/0x1f0 [ 1457.121613] genl_family_rcv_msg+0x572/0xb20 [ 1457.126039] ? genl_rcv+0x40/0x40 22:20:25 executing program 1: pselect6(0x3d, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x1, &(0x7f0000000000)=@raw=[@call={0x85, 0x0, 0x0, 0x88}], &(0x7f0000000040)='GPL\x00', 0x2, 0xe1, &(0x7f0000000080)=""/225, 0x40f00, 0x13, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000180)={0x4, 0x1}, 0x8, 0x10, &(0x7f00000001c0)={0x4, 0xb, 0xffff}, 0x10}, 0x80) [ 1457.129507] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1457.134976] ? __kmalloc_node_track_caller+0x4c/0x70 [ 1457.140095] ? trace_hardirqs_on+0x10/0x10 [ 1457.144366] genl_rcv_msg+0xaf/0x140 [ 1457.148089] netlink_rcv_skb+0x125/0x390 [ 1457.152159] ? genl_family_rcv_msg+0xb20/0xb20 [ 1457.156757] ? netlink_ack+0x9a0/0x9a0 [ 1457.160665] ? lock_acquire+0x170/0x3f0 [ 1457.164659] genl_rcv+0x24/0x40 [ 1457.167957] netlink_unicast+0x437/0x610 [ 1457.172028] ? netlink_sendskb+0xd0/0xd0 [ 1457.176103] ? __check_object_size+0x179/0x230 [ 1457.180697] netlink_sendmsg+0x651/0xbc0 [ 1457.184773] ? nlmsg_notify+0x1b0/0x1b0 [ 1457.188756] ? kernel_recvmsg+0x210/0x210 [ 1457.192911] ? security_socket_sendmsg+0x83/0xb0 [ 1457.197663] ? nlmsg_notify+0x1b0/0x1b0 [ 1457.201637] sock_sendmsg+0xb5/0x100 [ 1457.205348] ___sys_sendmsg+0x6c8/0x800 [ 1457.209326] ? get_pid_task+0x91/0x130 [ 1457.213206] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1457.217963] ? lock_downgrade+0x740/0x740 [ 1457.222109] ? __fget+0x23e/0x3e0 [ 1457.225577] ? lock_acquire+0x170/0x3f0 [ 1457.229547] ? lock_downgrade+0x740/0x740 [ 1457.233686] ? __fget+0x265/0x3e0 [ 1457.237134] ? __fdget+0x19b/0x1f0 [ 1457.240681] ? sockfd_lookup_light+0xb2/0x160 [ 1457.245169] __sys_sendmsg+0xa3/0x120 [ 1457.248985] ? SyS_shutdown+0x160/0x160 [ 1457.253043] ? wait_for_completion_io+0x10/0x10 [ 1457.257718] ? SyS_read+0x210/0x210 [ 1457.261344] ? __do_page_fault+0x159/0xad0 [ 1457.265581] SyS_sendmsg+0x27/0x40 [ 1457.269119] ? __sys_sendmsg+0x120/0x120 [ 1457.273186] do_syscall_64+0x1d5/0x640 [ 1457.277095] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1457.282281] RIP: 0033:0x7f2405b960f9 [ 1457.286014] RSP: 002b:00007f2404108168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1457.293725] RAX: ffffffffffffffda RBX: 00007f2405cb5f80 RCX: 00007f2405b960f9 [ 1457.300987] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1457.308269] RBP: 00007f24041081d0 R08: 0000000000000000 R09: 0000000000000000 [ 1457.315525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1457.322796] R13: 00007ffdbcdce4ff R14: 00007f2404108300 R15: 0000000000022000 22:20:25 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r4, 0x100, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xeb}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x201}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x40}, 0x1, 0x0, 0x0, 0x8885}, 0x800) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r6, 0x1}, 0x14}}, 0x0) [ 1457.335488] nbd: couldn't allocate config 22:20:25 executing program 1: ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfffff000}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r0, 0xc018937a, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x8000000000000000}}, './file0\x00'}) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (fail_nth: 4) 22:20:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x24}}, 0x4040000) 22:20:25 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) 22:20:25 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) 22:20:25 executing program 1: ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfffff000}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r0, 0xc018937a, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x8000000000000000}}, './file0\x00'}) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:25 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) 22:20:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x24}}, 0x4040000) 22:20:25 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) [ 1457.444708] FAULT_INJECTION: forcing a failure. [ 1457.444708] name failslab, interval 1, probability 0, space 0, times 0 [ 1457.477646] nbd: must specify an index to disconnect 22:20:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) [ 1457.509597] CPU: 0 PID: 2810 Comm: syz-executor.5 Not tainted 4.14.307-syzkaller #0 [ 1457.517419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1457.526781] Call Trace: [ 1457.529391] dump_stack+0x1b2/0x281 [ 1457.533036] should_fail.cold+0x10a/0x149 [ 1457.537227] should_failslab+0xd6/0x130 [ 1457.541235] kmem_cache_alloc_node+0x263/0x410 [ 1457.545838] __alloc_skb+0x5c/0x510 [ 1457.549594] netlink_ack+0x216/0x9a0 [ 1457.553319] ? netlink_sendmsg+0xbc0/0xbc0 22:20:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r2) (rerun: 32) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r4, 0x100, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xeb}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x201}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x40}, 0x1, 0x0, 0x0, 0x8885}, 0x800) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r6, 0x1}, 0x14}}, 0x0) 22:20:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) [ 1457.557574] netlink_rcv_skb+0x2c5/0x390 [ 1457.561654] ? genl_family_rcv_msg+0xb20/0xb20 [ 1457.566243] ? netlink_ack+0x9a0/0x9a0 [ 1457.570146] ? lock_acquire+0x170/0x3f0 [ 1457.574138] genl_rcv+0x24/0x40 [ 1457.577430] netlink_unicast+0x437/0x610 [ 1457.581499] ? netlink_sendskb+0xd0/0xd0 [ 1457.585571] ? __check_object_size+0x179/0x230 [ 1457.590167] netlink_sendmsg+0x651/0xbc0 [ 1457.594254] ? nlmsg_notify+0x1b0/0x1b0 [ 1457.598232] ? kernel_recvmsg+0x210/0x210 [ 1457.602389] ? security_socket_sendmsg+0x83/0xb0 [ 1457.607177] ? nlmsg_notify+0x1b0/0x1b0 [ 1457.611160] sock_sendmsg+0xb5/0x100 [ 1457.614881] ___sys_sendmsg+0x6c8/0x800 [ 1457.618862] ? get_pid_task+0x91/0x130 [ 1457.622764] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1457.627538] ? lock_downgrade+0x740/0x740 [ 1457.631700] ? __fget+0x23e/0x3e0 [ 1457.635173] ? lock_acquire+0x170/0x3f0 [ 1457.639161] ? lock_downgrade+0x740/0x740 [ 1457.643318] ? __fget+0x265/0x3e0 [ 1457.646782] ? __fdget+0x19b/0x1f0 [ 1457.650349] ? sockfd_lookup_light+0xb2/0x160 [ 1457.654860] __sys_sendmsg+0xa3/0x120 [ 1457.658670] ? SyS_shutdown+0x160/0x160 [ 1457.662656] ? wait_for_completion_io+0x10/0x10 [ 1457.667341] ? SyS_read+0x210/0x210 [ 1457.670989] ? __do_page_fault+0x159/0xad0 [ 1457.672127] nbd: must specify an index to disconnect [ 1457.675234] SyS_sendmsg+0x27/0x40 [ 1457.675246] ? __sys_sendmsg+0x120/0x120 [ 1457.675257] do_syscall_64+0x1d5/0x640 [ 1457.675275] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1457.697065] RIP: 0033:0x7f2405b960f9 [ 1457.700777] RSP: 002b:00007f2404108168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 22:20:25 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (fail_nth: 5) 22:20:25 executing program 1: ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfffff000}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r0, 0xc018937a, &(0x7f0000000040)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x8000000000000000}}, './file0\x00'}) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x4040000) 22:20:25 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r4, 0x100, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xeb}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x201}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x40}, 0x1, 0x0, 0x0, 0x8885}, 0x800) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r6, 0x1}, 0x14}}, 0x0) 22:20:25 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) 22:20:25 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) [ 1457.708488] RAX: ffffffffffffffda RBX: 00007f2405cb5f80 RCX: 00007f2405b960f9 [ 1457.715765] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1457.723047] RBP: 00007f24041081d0 R08: 0000000000000000 R09: 0000000000000000 [ 1457.730342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1457.737611] R13: 00007ffdbcdce4ff R14: 00007f2404108300 R15: 0000000000022000 22:20:25 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x38}}, 0x0) 22:20:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) 22:20:25 executing program 1: ioctl$VIDIOC_SUBDEV_S_SELECTION(0xffffffffffffffff, 0xc040563e, &(0x7f0000000140)={0x1, 0x0, 0x3, 0x0, {0xb124, 0x6, 0x7, 0xec5f}}) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) getsockopt$PNPIPE_ENCAP(r0, 0x113, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) setsockopt$RDS_GET_MR(0xffffffffffffffff, 0x114, 0x2, &(0x7f0000000100)={{&(0x7f0000000000)=""/135, 0x87}, &(0x7f00000000c0), 0x10}, 0x20) r1 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r1, 0x113, 0x2, 0x0, 0x0) setsockopt$PNPIPE_ENCAP(r1, 0x113, 0x1, &(0x7f0000000200)=0x1, 0x4) 22:20:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) 22:20:25 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r4, 0x1, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:dpkg_var_lib_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40080}, 0x8000) [ 1457.838406] FAULT_INJECTION: forcing a failure. [ 1457.838406] name failslab, interval 1, probability 0, space 0, times 0 [ 1457.914169] CPU: 0 PID: 2859 Comm: syz-executor.5 Not tainted 4.14.307-syzkaller #0 [ 1457.922054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1457.931428] Call Trace: [ 1457.934027] dump_stack+0x1b2/0x281 [ 1457.937670] should_fail.cold+0x10a/0x149 [ 1457.941832] should_failslab+0xd6/0x130 [ 1457.945822] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1457.950958] __kmalloc_node_track_caller+0x38/0x70 [ 1457.955898] __alloc_skb+0x96/0x510 [ 1457.959532] netlink_ack+0x216/0x9a0 22:20:25 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) [ 1457.963271] ? netlink_sendmsg+0xbc0/0xbc0 [ 1457.967518] netlink_rcv_skb+0x2c5/0x390 [ 1457.971589] ? genl_family_rcv_msg+0xb20/0xb20 [ 1457.976179] ? netlink_ack+0x9a0/0x9a0 [ 1457.980077] ? lock_acquire+0x170/0x3f0 [ 1457.984068] genl_rcv+0x24/0x40 [ 1457.987351] netlink_unicast+0x437/0x610 [ 1457.991420] ? netlink_sendskb+0xd0/0xd0 [ 1457.995493] ? __check_object_size+0x179/0x230 [ 1458.000081] netlink_sendmsg+0x651/0xbc0 [ 1458.004164] ? nlmsg_notify+0x1b0/0x1b0 [ 1458.008180] ? kernel_recvmsg+0x210/0x210 [ 1458.012338] ? security_socket_sendmsg+0x83/0xb0 [ 1458.017095] ? nlmsg_notify+0x1b0/0x1b0 [ 1458.021087] sock_sendmsg+0xb5/0x100 [ 1458.024789] ___sys_sendmsg+0x6c8/0x800 [ 1458.028752] ? get_pid_task+0x91/0x130 [ 1458.032626] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1458.037390] ? lock_downgrade+0x740/0x740 [ 1458.041546] ? __fget+0x23e/0x3e0 [ 1458.044992] ? lock_acquire+0x170/0x3f0 [ 1458.048965] ? lock_downgrade+0x740/0x740 [ 1458.053110] ? __fget+0x265/0x3e0 [ 1458.056592] ? __fdget+0x19b/0x1f0 [ 1458.060125] ? sockfd_lookup_light+0xb2/0x160 [ 1458.064614] __sys_sendmsg+0xa3/0x120 [ 1458.068405] ? SyS_shutdown+0x160/0x160 [ 1458.072372] ? wait_for_completion_io+0x10/0x10 [ 1458.077033] ? SyS_read+0x210/0x210 [ 1458.080682] ? __do_page_fault+0x159/0xad0 [ 1458.084916] SyS_sendmsg+0x27/0x40 [ 1458.088445] ? __sys_sendmsg+0x120/0x120 [ 1458.092498] do_syscall_64+0x1d5/0x640 [ 1458.096390] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1458.101589] RIP: 0033:0x7f2405b960f9 [ 1458.105286] RSP: 002b:00007f2404108168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1458.113100] RAX: ffffffffffffffda RBX: 00007f2405cb5f80 RCX: 00007f2405b960f9 [ 1458.120356] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 1458.127622] RBP: 00007f24041081d0 R08: 0000000000000000 R09: 0000000000000000 [ 1458.134884] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1458.142153] R13: 00007ffdbcdce4ff R14: 00007f2404108300 R15: 0000000000022000 22:20:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (fail_nth: 6) 22:20:26 executing program 0: r0 = syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r2) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, r4, 0x100, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xeb}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x201}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x40}, 0x1, 0x0, 0x0, 0x8885}, 0x800) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r6, 0x1}, 0x14}}, 0x0) 22:20:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) 22:20:26 executing program 1: ioctl$VIDIOC_SUBDEV_S_SELECTION(0xffffffffffffffff, 0xc040563e, &(0x7f0000000140)={0x1, 0x0, 0x3, 0x0, {0xb124, 0x6, 0x7, 0xec5f}}) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) (async) getsockopt$PNPIPE_ENCAP(r0, 0x113, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) setsockopt$RDS_GET_MR(0xffffffffffffffff, 0x114, 0x2, &(0x7f0000000100)={{&(0x7f0000000000)=""/135, 0x87}, &(0x7f00000000c0), 0x10}, 0x20) (async) r1 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r1, 0x113, 0x2, 0x0, 0x0) (async) setsockopt$PNPIPE_ENCAP(r1, 0x113, 0x1, &(0x7f0000000200)=0x1, 0x4) 22:20:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) 22:20:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r4, 0x1, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:dpkg_var_lib_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40080}, 0x8000) [ 1458.163528] nbd: must specify an index to disconnect 22:20:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) 22:20:26 executing program 1: ioctl$VIDIOC_SUBDEV_S_SELECTION(0xffffffffffffffff, 0xc040563e, &(0x7f0000000140)={0x1, 0x0, 0x3, 0x0, {0xb124, 0x6, 0x7, 0xec5f}}) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) getsockopt$PNPIPE_ENCAP(r0, 0x113, 0x1, &(0x7f0000000180), &(0x7f00000001c0)=0x4) setsockopt$RDS_GET_MR(0xffffffffffffffff, 0x114, 0x2, &(0x7f0000000100)={{&(0x7f0000000000)=""/135, 0x87}, &(0x7f00000000c0), 0x10}, 0x20) r1 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r1, 0x113, 0x2, 0x0, 0x0) (async, rerun: 64) setsockopt$PNPIPE_ENCAP(r1, 0x113, 0x1, &(0x7f0000000200)=0x1, 0x4) (rerun: 64) [ 1458.261351] nbd: must specify an index to disconnect [ 1458.270628] nbd: must specify an index to disconnect 22:20:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x4c, r4, 0x1, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:dpkg_var_lib_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @rand_addr=0x64010100}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40080}, 0x8000) 22:20:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) 22:20:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) 22:20:26 executing program 1: ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r0, 0xc0189372, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {0x6}}, '\x00'}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r1, 0xc018937e, &(0x7f0000000000)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$VIDIOC_QUERYCTRL(r3, 0xc0445624, &(0x7f0000000040)={0xd4, 0x5, "e5fd92ead966584eff0845348518a5fc39c9da86b09899e66ec533559a835f55", 0x5, 0x7ff, 0x401, 0x8c55, 0x100}) pselect6(0xffffffffffffff9f, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r1) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r2, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x4c, r2, 0x20, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '}\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x1}, 0x800) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) r6 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r6, 0x113, 0x2, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000440)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffff}}, './file0\x00'}) r8 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r8, 0x113, 0x2, 0x0, 0x0) socketpair(0x18, 0x8080d, 0x8000, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) r10 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r10, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000005c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000580)={&(0x7f00000004c0)={0xa0, r3, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '}\x00'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4}, 0x4800) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r12) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r12, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r13, 0x1, 0x70bd27, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x40064}, 0x20004004) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r11, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x44, r13, 0x8, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}]}, 0x44}, 0x1, 0x0, 0x0, 0x40080}, 0x4) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 22:20:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) 22:20:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) [ 1458.402857] nbd: must specify an index to disconnect 22:20:26 executing program 1: ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r0, 0xc0189372, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {0x6}}, '\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r0, 0xc0189372, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {0x6}}, '\x00'}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r1, 0xc018937e, &(0x7f0000000000)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$VIDIOC_QUERYCTRL(r3, 0xc0445624, &(0x7f0000000040)={0xd4, 0x5, "e5fd92ead966584eff0845348518a5fc39c9da86b09899e66ec533559a835f55", 0x5, 0x7ff, 0x401, 0x8c55, 0x100}) pselect6(0xffffffffffffff9f, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:26 executing program 2: r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_ACCEPT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r0, 0x1, 0x70bd25, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x40000081) 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$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000001c0)={0x14, r3, 0x400}, 0x14}}, 0x0) 22:20:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) 22:20:26 executing program 5: 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$netlbl_mgmt(&(0x7f0000000300), r1) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r2, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x4c, r2, 0x20, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '}\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x1}, 0x800) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) r6 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r6, 0x113, 0x2, 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000440)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffff}}, './file0\x00'}) r8 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r8, 0x113, 0x2, 0x0, 0x0) (async) socketpair(0x18, 0x8080d, 0x8000, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) (async) r10 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r10, 0x113, 0x2, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000005c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000580)={&(0x7f00000004c0)={0xa0, r3, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '}\x00'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4}, 0x4800) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r12) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r12, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r13, 0x1, 0x70bd27, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x40064}, 0x20004004) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r11, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x44, r13, 0x8, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}]}, 0x44}, 0x1, 0x0, 0x0, 0x40080}, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 22:20:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) 22:20:26 executing program 1: ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, &(0x7f00000000c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffffffffffff}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r0, 0xc0189372, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {0x6}}, '\x00'}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r1, 0xc018937e, &(0x7f0000000000)={{0x1, 0x1, 0x18, r2}, './file0\x00'}) ioctl$VIDIOC_QUERYCTRL(r3, 0xc0445624, &(0x7f0000000040)={0xd4, 0x5, "e5fd92ead966584eff0845348518a5fc39c9da86b09899e66ec533559a835f55", 0x5, 0x7ff, 0x401, 0x8c55, 0x100}) (async) pselect6(0xffffffffffffff9f, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:26 executing program 2: syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), 0xffffffffffffffff) (async) r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_ACCEPT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r0, 0x1, 0x70bd25, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x40000081) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r0, 0x1, 0x70bd25, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x40000081) 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$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000001c0)={0x14, r3, 0x400}, 0x14}}, 0x0) 22:20:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) 22:20:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r1) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r2, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) (async, rerun: 32) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x4c, r2, 0x20, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '}\x00'}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x1}, 0x800) (async, rerun: 32) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff}) (async) r6 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r6, 0x113, 0x2, 0x0, 0x0) (async, rerun: 32) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f0000000440)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xffffffff}}, './file0\x00'}) (async, rerun: 32) r8 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r8, 0x113, 0x2, 0x0, 0x0) socketpair(0x18, 0x8080d, 0x8000, &(0x7f0000000480)={0xffffffffffffffff, 0xffffffffffffffff}) (async, rerun: 64) r10 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) (rerun: 64) getsockopt$PNPIPE_IFINDEX(r10, 0x113, 0x2, 0x0, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f00000005c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000580)={&(0x7f00000004c0)={0xa0, r3, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '}\x00'}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0xa0}, 0x1, 0x0, 0x0, 0x4}, 0x4800) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r12) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r12, &(0x7f0000000600)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r13, 0x1, 0x70bd27, 0x25dfdbfc}, 0x14}, 0x1, 0x0, 0x0, 0x40064}, 0x20004004) (async, rerun: 64) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r11, &(0x7f0000000380)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x44, r13, 0x8, 0x70bd29, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}]}, 0x44}, 0x1, 0x0, 0x0, 0x40080}, 0x4) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 22:20:26 executing program 1: pselect6(0xe2, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) syz_open_dev$audion(&(0x7f0000000040), 0x4, 0x800) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) r1 = epoll_create1(0x80000) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r0, 0xc0189374, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0x6e}}, './file0\x00'}) setsockopt$PNPIPE_INITSTATE(r2, 0x113, 0x4, &(0x7f0000000080)=0x1, 0x4) 22:20:26 executing program 2: r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_ACCEPT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r0, 0x1, 0x70bd25, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x40000081) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r0, 0x1, 0x70bd25, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x40000081) 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(&(0x7f0000000040), r1) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000001c0)={0x14, r3, 0x400}, 0x14}}, 0x0) 22:20:26 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:26 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$netlbl_mgmt(0x0, r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:26 executing program 1: pselect6(0xe2, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) syz_open_dev$audion(&(0x7f0000000040), 0x4, 0x800) (async) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) (async) r1 = epoll_create1(0x80000) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r0, 0xc0189374, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0x6e}}, './file0\x00'}) setsockopt$PNPIPE_INITSTATE(r2, 0x113, 0x4, &(0x7f0000000080)=0x1, 0x4) 22:20:26 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$netlbl_mgmt(0x0, r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:26 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r4, 0x300, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x58}, 0x1, 0x0, 0x0, 0x8080954}, 0x40040d0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) 22:20:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="91b0a2eb7e979f208b91b010bad367c9aaa801000000000000000476cf55a6bdd1c6cec805583638e43e05f76ea9da8fd7dafc22bfaab3be4c5d2c6e8203cbdb12d0f80cb081473a1c6276304c08bb3c2e0800ae9118ef9431", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 22:20:26 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(0x0, r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:26 executing program 1: pselect6(0xe2, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) (async) r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) syz_open_dev$audion(&(0x7f0000000040), 0x4, 0x800) (async) syz_open_dev$audion(&(0x7f0000000040), 0x4, 0x800) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) r1 = epoll_create1(0x80000) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(r0, 0xc0189374, &(0x7f0000000000)={{0x1, 0x1, 0x18, r1, {0x6e}}, './file0\x00'}) setsockopt$PNPIPE_INITSTATE(r2, 0x113, 0x4, &(0x7f0000000080)=0x1, 0x4) 22:20:26 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) [ 1458.813891] nbd: must specify an index to disconnect 22:20:26 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$netlbl_mgmt(0x0, r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:26 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="91b0a2eb7e979f208b91b010bad367c9aaa801000000000000000476cf55a6bdd1c6cec805583638e43e05f76ea9da8fd7dafc22bfaab3be4c5d2c6e8203cbdb12d0f80cb081473a1c6276304c08bb3c2e0800ae9118ef9431", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 22:20:26 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$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r4, 0x300, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x58}, 0x1, 0x0, 0x0, 0x8080954}, 0x40040d0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) 22:20:26 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) 22:20:26 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="91b0a2eb7e979f208b91b010bad367c9aaa801000000000000000476cf55a6bdd1c6cec805583638e43e05f76ea9da8fd7dafc22bfaab3be4c5d2c6e8203cbdb12d0f80cb081473a1c6276304c08bb3c2e0800ae9118ef9431", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 22:20:26 executing program 1: pselect6(0x608f39ee0f3a0bd0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:26 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) [ 1458.932145] nbd: must specify an index to disconnect 22:20:26 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$nbd(&(0x7f0000000040), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r1) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x58, r4, 0x300, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}]}, 0x58}, 0x1, 0x0, 0x0, 0x8080954}, 0x40040d0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) 22:20:26 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:26 executing program 3: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) 22:20:26 executing program 5: ioctl$VIDIOC_S_JPEGCOMP(0xffffffffffffffff, 0x408c563e, &(0x7f00000001c0)={0x790, 0xb, 0x3b, "dd9028758fb39f9b7545503dbf19eb8927db576f834999cbed093a4600037912886412413f902ecafe352023239cf2a79d88842169e855c362454f65", 0x20, "911750e6e99947ea7959dd829fec135ab301f48ec1ef6d1cf2edd3285f492112b24c4373965e8e623cc6e78cd55260f573f7246dcc7241e2b02c5dbd", 0x38}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00dfffffff00000000000004000780"], 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4000) 22:20:26 executing program 1: pselect6(0x608f39ee0f3a0bd0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:26 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$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) 22:20:26 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:26 executing program 1: pselect6(0x608f39ee0f3a0bd0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 1459.045566] nbd: must specify an index to disconnect 22:20:27 executing program 5: ioctl$VIDIOC_S_JPEGCOMP(0xffffffffffffffff, 0x408c563e, &(0x7f00000001c0)={0x790, 0xb, 0x3b, "dd9028758fb39f9b7545503dbf19eb8927db576f834999cbed093a4600037912886412413f902ecafe352023239cf2a79d88842169e855c362454f65", 0x20, "911750e6e99947ea7959dd829fec135ab301f48ec1ef6d1cf2edd3285f492112b24c4373965e8e623cc6e78cd55260f573f7246dcc7241e2b02c5dbd", 0x38}) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00dfffffff00000000000004000780"], 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4000) ioctl$VIDIOC_S_JPEGCOMP(0xffffffffffffffff, 0x408c563e, &(0x7f00000001c0)={0x790, 0xb, 0x3b, "dd9028758fb39f9b7545503dbf19eb8927db576f834999cbed093a4600037912886412413f902ecafe352023239cf2a79d88842169e855c362454f65", 0x20, "911750e6e99947ea7959dd829fec135ab301f48ec1ef6d1cf2edd3285f492112b24c4373965e8e623cc6e78cd55260f573f7246dcc7241e2b02c5dbd", 0x38}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00dfffffff00000000000004000780"], 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4000) (async) 22:20:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000050000000c00078008000100", @ANYRES32, @ANYBLOB="88379231516006362406e8c871ce74312b8a2d633ab1ab9c0d1f9cb97173750159d4079ea7d16d497ec6f68557762b51bd94b6a463be5c6ae8859f23b5b646f9693992ced11a5a2d40edab8660d877a9b5434d42683bccb8d50e387895880cdb81bf7fa9f7672f7252e7712e6d1a7580b39dc0e4c056cab956c750ccf07fec5878e2aa28ea6e3315a8d0e083de031e73d81d7fdd607fc6fbaccb5cd04145c1623d09eb59edce7a9d1385efcdab970a19a504c4a9abcc9ee48189"], 0x20}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r6, 0x20, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd856}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x42}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x74}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) 22:20:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:27 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:27 executing program 1: ioctl$VIDIOC_G_SLICED_VBI_CAP(0xffffffffffffffff, 0xc0745645, &(0x7f0000000000)={0x0, [0x0, 0x7, 0xf806, 0x0, 0xff, 0xfffa, 0x9, 0x3, 0xffff, 0x8, 0x3, 0x9, 0x4, 0x7, 0xb876, 0x2, 0x5, 0x2, 0x7, 0xffe0, 0x2, 0x2, 0xc9, 0x4, 0x400, 0x85, 0xfff7, 0x5, 0x1, 0x2, 0x8a, 0x0, 0x4, 0x80, 0x8, 0xf6, 0x0, 0x5, 0x3f, 0x6, 0x100, 0x1000, 0x1, 0x7, 0x8000, 0x1, 0x1, 0x3], 0x7}) pselect6(0x64, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:27 executing program 5: ioctl$VIDIOC_S_JPEGCOMP(0xffffffffffffffff, 0x408c563e, &(0x7f00000001c0)={0x790, 0xb, 0x3b, "dd9028758fb39f9b7545503dbf19eb8927db576f834999cbed093a4600037912886412413f902ecafe352023239cf2a79d88842169e855c362454f65", 0x20, "911750e6e99947ea7959dd829fec135ab301f48ec1ef6d1cf2edd3285f492112b24c4373965e8e623cc6e78cd55260f573f7246dcc7241e2b02c5dbd", 0x38}) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000340)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00dfffffff00000000000004000780"], 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4000) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:27 executing program 1: ioctl$VIDIOC_G_SLICED_VBI_CAP(0xffffffffffffffff, 0xc0745645, &(0x7f0000000000)={0x0, [0x0, 0x7, 0xf806, 0x0, 0xff, 0xfffa, 0x9, 0x3, 0xffff, 0x8, 0x3, 0x9, 0x4, 0x7, 0xb876, 0x2, 0x5, 0x2, 0x7, 0xffe0, 0x2, 0x2, 0xc9, 0x4, 0x400, 0x85, 0xfff7, 0x5, 0x1, 0x2, 0x8a, 0x0, 0x4, 0x80, 0x8, 0xf6, 0x0, 0x5, 0x3f, 0x6, 0x100, 0x1000, 0x1, 0x7, 0x8000, 0x1, 0x1, 0x3], 0x7}) (async) pselect6(0x64, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 1459.209808] nbd: must specify an index to disconnect 22:20:27 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$nbd(&(0x7f0000000040), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000050000000c00078008000100", @ANYRES32, @ANYBLOB="88379231516006362406e8c871ce74312b8a2d633ab1ab9c0d1f9cb97173750159d4079ea7d16d497ec6f68557762b51bd94b6a463be5c6ae8859f23b5b646f9693992ced11a5a2d40edab8660d877a9b5434d42683bccb8d50e387895880cdb81bf7fa9f7672f7252e7712e6d1a7580b39dc0e4c056cab956c750ccf07fec5878e2aa28ea6e3315a8d0e083de031e73d81d7fdd607fc6fbaccb5cd04145c1623d09eb59edce7a9d1385efcdab970a19a504c4a9abcc9ee48189"], 0x20}}, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r6, 0x20, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd856}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x42}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x74}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) 22:20:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(0x0, r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000200000000000004000780f65fc6c293557effba7be434944456e7117b7ca27f558139ab8fd0e1487989245703be9b811fa07f1f9d11658982c0193f3afa0b680fadc363ac7a805e01a51880eecf957cd93d22fef8276e4485311c48ba7f105e1c1ead93f0e3c101e4a18651203488c60e3aab844a932a4bb0ba674347c270df10bde1ebe98f6265d3da36cbf025644ea57c43693b189365f82acfa7eed9e4238129e29c90fdc48c5be384c458db58000000000000000000"], 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r5) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1100010}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x24, r6, 0x10, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3a}}]}, 0x24}, 0x1, 0x0, 0x0, 0x4a000}, 0x4000885) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000400000000fbdbdf25020000000800020000000000050001000000000014000500fc0200000000000000e9ffffffffffff09000100232128292300000008000800ffffffff14000500fe8000000000000000000000000000bb06000b000000000006000100ffff0000"], 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)={0x80, r3, 0x4, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x0) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(0x0, r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:27 executing program 1: ioctl$VIDIOC_G_SLICED_VBI_CAP(0xffffffffffffffff, 0xc0745645, &(0x7f0000000000)={0x0, [0x0, 0x7, 0xf806, 0x0, 0xff, 0xfffa, 0x9, 0x3, 0xffff, 0x8, 0x3, 0x9, 0x4, 0x7, 0xb876, 0x2, 0x5, 0x2, 0x7, 0xffe0, 0x2, 0x2, 0xc9, 0x4, 0x400, 0x85, 0xfff7, 0x5, 0x1, 0x2, 0x8a, 0x0, 0x4, 0x80, 0x8, 0xf6, 0x0, 0x5, 0x3f, 0x6, 0x100, 0x1000, 0x1, 0x7, 0x8000, 0x1, 0x1, 0x3], 0x7}) (async) pselect6(0x64, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(0x0, r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000340)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000050000000c00078008000100", @ANYRES32, @ANYBLOB="88379231516006362406e8c871ce74312b8a2d633ab1ab9c0d1f9cb97173750159d4079ea7d16d497ec6f68557762b51bd94b6a463be5c6ae8859f23b5b646f9693992ced11a5a2d40edab8660d877a9b5434d42683bccb8d50e387895880cdb81bf7fa9f7672f7252e7712e6d1a7580b39dc0e4c056cab956c750ccf07fec5878e2aa28ea6e3315a8d0e083de031e73d81d7fdd607fc6fbaccb5cd04145c1623d09eb59edce7a9d1385efcdab970a19a504c4a9abcc9ee48189"], 0x20}}, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x2}}, './file0\x00'}) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x74, r6, 0x20, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xd856}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}]}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x6}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x42}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x74}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) 22:20:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000200000000000004000780f65fc6c293557effba7be434944456e7117b7ca27f558139ab8fd0e1487989245703be9b811fa07f1f9d11658982c0193f3afa0b680fadc363ac7a805e01a51880eecf957cd93d22fef8276e4485311c48ba7f105e1c1ead93f0e3c101e4a18651203488c60e3aab844a932a4bb0ba674347c270df10bde1ebe98f6265d3da36cbf025644ea57c43693b189365f82acfa7eed9e4238129e29c90fdc48c5be384c458db58000000000000000000"], 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r5) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1100010}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x24, r6, 0x10, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3a}}]}, 0x24}, 0x1, 0x0, 0x0, 0x4a000}, 0x4000885) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000400000000fbdbdf25020000000800020000000000050001000000000014000500fc0200000000000000e9ffffffffffff09000100232128292300000008000800ffffffff14000500fe8000000000000000000000000000bb06000b000000000006000100ffff0000"], 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)={0x80, r3, 0x4, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000200000000000004000780f65fc6c293557effba7be434944456e7117b7ca27f558139ab8fd0e1487989245703be9b811fa07f1f9d11658982c0193f3afa0b680fadc363ac7a805e01a51880eecf957cd93d22fef8276e4485311c48ba7f105e1c1ead93f0e3c101e4a18651203488c60e3aab844a932a4bb0ba674347c270df10bde1ebe98f6265d3da36cbf025644ea57c43693b189365f82acfa7eed9e4238129e29c90fdc48c5be384c458db58000000000000000000"], 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) (async) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r5) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1100010}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x24, r6, 0x10, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3a}}]}, 0x24}, 0x1, 0x0, 0x0, 0x4a000}, 0x4000885) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000400000000fbdbdf25020000000800020000000000050001000000000014000500fc0200000000000000e9ffffffffffff09000100232128292300000008000800ffffffff14000500fe8000000000000000000000000000bb06000b000000000006000100ffff0000"], 0x70}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)={0x80, r3, 0x4, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x0) (async) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:27 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x5}}, './file0\x00'}) epoll_pwait(r0, &(0x7f0000000040)=[{}, {}], 0x2, 0x1, &(0x7f0000000080)={[0xa5]}, 0x8) 22:20:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(0x0, r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:27 executing program 2: ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r0, 0xc0189375, &(0x7f0000000180)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(r1, 0xc0189373, &(0x7f0000000140)={{0x1, 0x1, 0x18, r2, {0x436115a8}}, './file0\x00'}) setsockopt$RDS_FREE_MR(r0, 0x114, 0x3, &(0x7f0000000080)={{0xac, 0x7}, 0x40}, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1}, 0x14}}, 0x0) 22:20:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, 0x0, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:27 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x5}}, './file0\x00'}) epoll_pwait(r0, &(0x7f0000000040)=[{}, {}], 0x2, 0x1, &(0x7f0000000080)={[0xa5]}, 0x8) 22:20:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000200000000000004000780f65fc6c293557effba7be434944456e7117b7ca27f558139ab8fd0e1487989245703be9b811fa07f1f9d11658982c0193f3afa0b680fadc363ac7a805e01a51880eecf957cd93d22fef8276e4485311c48ba7f105e1c1ead93f0e3c101e4a18651203488c60e3aab844a932a4bb0ba674347c270df10bde1ebe98f6265d3da36cbf025644ea57c43693b189365f82acfa7eed9e4238129e29c90fdc48c5be384c458db58000000000000000000"], 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) (async) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r5) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1100010}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x24, r6, 0x10, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3a}}]}, 0x24}, 0x1, 0x0, 0x0, 0x4a000}, 0x4000885) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000400000000fbdbdf25020000000800020000000000050001000000000014000500fc0200000000000000e9ffffffffffff09000100232128292300000008000800ffffffff14000500fe8000000000000000000000000000bb06000b000000000006000100ffff0000"], 0x70}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)={0x80, r3, 0x4, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x0) [ 1459.502380] nbd: must specify an index to disconnect 22:20:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:27 executing program 2: ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r0, 0xc0189375, &(0x7f0000000180)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(r1, 0xc0189373, &(0x7f0000000140)={{0x1, 0x1, 0x18, r2, {0x436115a8}}, './file0\x00'}) (async) setsockopt$RDS_FREE_MR(r0, 0x114, 0x3, &(0x7f0000000080)={{0xac, 0x7}, 0x40}, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1}, 0x14}}, 0x0) 22:20:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:27 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$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x30, r3, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x30}, 0x1, 0x0, 0x0, 0x46010}, 0x48000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000c00020000000000004a680004000780"], 0x24}}, 0x0) 22:20:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, 0x0, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:27 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$netlbl_mgmt(&(0x7f0000000040), r1) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) (async) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x30, r3, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x30}, 0x1, 0x0, 0x0, 0x46010}, 0x48000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000c00020000000000004a680004000780"], 0x24}}, 0x0) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) [ 1459.618951] nbd: must specify an index to disconnect 22:20:27 executing program 2: ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r0, 0xc0189375, &(0x7f0000000180)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(r1, 0xc0189373, &(0x7f0000000140)={{0x1, 0x1, 0x18, r2, {0x436115a8}}, './file0\x00'}) setsockopt$RDS_FREE_MR(r0, 0x114, 0x3, &(0x7f0000000080)={{0xac, 0x7}, 0x40}, 0x10) 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$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1}, 0x14}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000000)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT(r0, 0xc0189375, &(0x7f0000000180)={{0x1, 0x1, 0x18, r0}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(0xffffffffffffffff, 0xc018937e, &(0x7f0000000100)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(r1, 0xc0189373, &(0x7f0000000140)={{0x1, 0x1, 0x18, r2, {0x436115a8}}, './file0\x00'}) (async) setsockopt$RDS_FREE_MR(r0, 0x114, 0x3, &(0x7f0000000080)={{0xac, 0x7}, 0x40}, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) 22:20:27 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x5}}, './file0\x00'}) epoll_pwait(r0, &(0x7f0000000040)=[{}, {}], 0x2, 0x1, &(0x7f0000000080)={[0xa5]}, 0x8) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, 0x0, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:27 executing program 5: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$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) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x30, r3, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x30}, 0x1, 0x0, 0x0, 0x46010}, 0x48000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000c00020000000000004a680004000780"], 0x24}}, 0x0) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) [ 1459.711804] nbd: must specify an index to disconnect 22:20:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, 0x0}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x5c, 0x0, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pim6reg1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:crack_db_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000000) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x2c, r5, 0x9671102589dec7ee, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20008140}, 0x4040040) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, 0x0, 0x0) 22:20:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000080)=ANY=[@ANYBLOB="b6085b5e", @ANYRES16=r2, @ANYBLOB="010000000000000000c75b293c0023ccabac961266fe45017acdd7f3316fe44cb6223ab5a78fcbaf58bdb14a79bd01dc77fb33aa20d67a8c26ec7d24b8d2921f25dcc0c77f000000b68981f19389005e8890be7f80c0ec1b13514280351b89d41a3e3a6dca3bcdc409f32956a3d11c99196da8529bfb1d15b7a71b76d329aa493ad42248e997ab7d7dfde33441a87113e136be35e88e8995f3869bd29d04f23eb46d0c5b3dfda1545d32317b92e4120c459770b8272c312b02"], 0x14}}, 0x0) 22:20:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, 0x0}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:27 executing program 1: pselect6(0x29, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, 0x0, 0x0) 22:20:27 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000080)=ANY=[@ANYBLOB="b6085b5e", @ANYRES16=r2, @ANYBLOB="010000000000000000c75b293c0023ccabac961266fe45017acdd7f3316fe44cb6223ab5a78fcbaf58bdb14a79bd01dc77fb33aa20d67a8c26ec7d24b8d2921f25dcc0c77f000000b68981f19389005e8890be7f80c0ec1b13514280351b89d41a3e3a6dca3bcdc409f32956a3d11c99196da8529bfb1d15b7a71b76d329aa493ad42248e997ab7d7dfde33441a87113e136be35e88e8995f3869bd29d04f23eb46d0c5b3dfda1545d32317b92e4120c459770b8272c312b02"], 0x14}}, 0x0) 22:20:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, 0x0}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) [ 1459.869939] nbd: must specify at least one socket 22:20:27 executing program 1: pselect6(0x29, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:27 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x5c, 0x0, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pim6reg1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:crack_db_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000000) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x2c, r5, 0x9671102589dec7ee, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20008140}, 0x4040040) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x5c, 0x0, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pim6reg1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:crack_db_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000000) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) (async) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x2c, r5, 0x9671102589dec7ee, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20008140}, 0x4040040) (async) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, 0x0, 0x0) 22:20:27 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000080)=ANY=[@ANYBLOB="b6085b5e", @ANYRES16=r2, @ANYBLOB="010000000000000000c75b293c0023ccabac961266fe45017acdd7f3316fe44cb6223ab5a78fcbaf58bdb14a79bd01dc77fb33aa20d67a8c26ec7d24b8d2921f25dcc0c77f000000b68981f19389005e8890be7f80c0ec1b13514280351b89d41a3e3a6dca3bcdc409f32956a3d11c99196da8529bfb1d15b7a71b76d329aa493ad42248e997ab7d7dfde33441a87113e136be35e88e8995f3869bd29d04f23eb46d0c5b3dfda1545d32317b92e4120c459770b8272c312b02"], 0x14}}, 0x0) 22:20:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x4040000) 22:20:27 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={0x0}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:27 executing program 1: pselect6(0x29, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:27 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, 0x0}, 0x0) [ 1459.983369] nbd: must specify at least one socket 22:20:27 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x4040000) 22:20:27 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={0x0}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:28 executing program 1: ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x20}}, './file0/../file0\x00'}) write$nbd(r0, &(0x7f00000000c0)=ANY=[@ANYRESDEC=r0, @ANYRESOCT, @ANYRESHEX=r0, @ANYRESOCT=r0], 0x8a) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r1, &(0x7f0000000040)={0x40002004}) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x5c, 0x0, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pim6reg1\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x24, 0x7, 'system_u:object_r:crack_db_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}]}, 0x5c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000000) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) (async, rerun: 64) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) (rerun: 64) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x2c, r5, 0x9671102589dec7ee, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}]}, 0x2c}, 0x1, 0x0, 0x0, 0x20008140}, 0x4040040) 22:20:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x4040000) 22:20:28 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={0x0}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, 0x0}, 0x0) [ 1460.147987] nbd: must specify at least one socket 22:20:28 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$netlbl_mgmt(&(0x7f0000000180), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x30, r2, 0x100, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x20040001}, 0x4040040) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x850}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x4, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}]}, 0x2c}}, 0xc084) 22:20:28 executing program 1: ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x20}}, './file0/../file0\x00'}) write$nbd(r0, &(0x7f00000000c0)=ANY=[@ANYRESDEC=r0, @ANYRESOCT, @ANYRESHEX=r0, @ANYRESOCT=r0], 0x8a) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r1, &(0x7f0000000040)={0x40002004}) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x20}}, './file0/../file0\x00'}) (async) write$nbd(r0, &(0x7f00000000c0)=ANY=[@ANYRESDEC=r0, @ANYRESOCT, @ANYRESHEX=r0, @ANYRESOCT=r0], 0x8a) (async) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000000)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r1, &(0x7f0000000040)={0x40002004}) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) 22:20:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x4040000) 22:20:28 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, 0x0}, 0x0) 22:20:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={&(0x7f0000001240), 0xc, &(0x7f0000001300)={&(0x7f0000001280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 22:20:28 executing program 1: ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x20}}, './file0/../file0\x00'}) write$nbd(r0, &(0x7f00000000c0)=ANY=[@ANYRESDEC=r0, @ANYRESOCT, @ANYRESHEX=r0, @ANYRESOCT=r0], 0x8a) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000000)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r1, &(0x7f0000000040)={0x40002004}) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(0xffffffffffffffff, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x20}}, './file0/../file0\x00'}) (async) write$nbd(r0, &(0x7f00000000c0)=ANY=[@ANYRESDEC=r0, @ANYRESOCT, @ANYRESHEX=r0, @ANYRESOCT=r0], 0x8a) (async) ioctl$AUTOFS_DEV_IOCTL_CATATONIC(0xffffffffffffffff, 0xc0189379, &(0x7f0000000000)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r1, &(0x7f0000000040)={0x40002004}) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) 22:20:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x4040000) [ 1460.270318] nbd: must specify an index to disconnect 22:20:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:28 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$netlbl_mgmt(&(0x7f0000000180), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x30, r2, 0x100, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x20040001}, 0x4040040) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x850}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x4, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}]}, 0x2c}}, 0xc084) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000180), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x30, r2, 0x100, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x20040001}, 0x4040040) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x850}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x4, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}]}, 0x2c}}, 0xc084) (async) 22:20:28 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={0x0}}, 0x0) 22:20:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={&(0x7f0000001240), 0xc, &(0x7f0000001300)={&(0x7f0000001280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 22:20:28 executing program 1: ioctl$VIDIOC_ENUM_FRAMEINTERVALS(0xffffffffffffffff, 0xc034564b, &(0x7f0000000040)={0x2, 0x31424752, 0xf43, 0x4, 0x0, @stepwise={{0x1, 0x4}, {0x80, 0x7}, {0x4, 0x3}}}) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000000), 0x4) 22:20:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x4040000) 22:20:28 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) [ 1460.378285] nbd: must specify an index to disconnect 22:20:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={0x0}}, 0x0) 22:20:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={&(0x7f0000001240), 0xc, &(0x7f0000001300)={&(0x7f0000001280)={0x30, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @empty}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}]}, 0x30}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 22:20:28 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$netlbl_mgmt(&(0x7f0000000180), r1) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVEDEF(r1, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x30, r2, 0x100, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}]}, 0x30}, 0x1, 0x0, 0x0, 0x20040001}, 0x4040040) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r4, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x850}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, 0x0, 0x4, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}]}, 0x2c}}, 0xc084) 22:20:28 executing program 1: ioctl$VIDIOC_ENUM_FRAMEINTERVALS(0xffffffffffffffff, 0xc034564b, &(0x7f0000000040)={0x2, 0x31424752, 0xf43, 0x4, 0x0, @stepwise={{0x1, 0x4}, {0x80, 0x7}, {0x4, 0x3}}}) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000000), 0x4) 22:20:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xa4, 0x0, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0x4850) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f0000000440)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="db11a62f5081d357341d72aa3aac"], 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x800) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x20000010) syz_extract_tcp_res(&(0x7f0000000000), 0x5, 0x9) 22:20:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x4040000) 22:20:28 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={0x0}}, 0x0) 22:20:28 executing program 1: ioctl$VIDIOC_ENUM_FRAMEINTERVALS(0xffffffffffffffff, 0xc034564b, &(0x7f0000000040)={0x2, 0x31424752, 0xf43, 0x4, 0x0, @stepwise={{0x1, 0x4}, {0x80, 0x7}, {0x4, 0x3}}}) (async) ioctl$VIDIOC_ENUM_FRAMEINTERVALS(0xffffffffffffffff, 0xc034564b, &(0x7f0000000040)={0x2, 0x31424752, 0xf43, 0x4, 0x0, @stepwise={{0x1, 0x4}, {0x80, 0x7}, {0x4, 0x3}}}) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$PNPIPE_ENCAP(0xffffffffffffffff, 0x113, 0x1, &(0x7f0000000000), 0x4) 22:20:28 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x4040000) 22:20:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xa4, 0x0, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0x4850) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f0000000440)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="db11a62f5081d357341d72aa3aac"], 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x800) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x20000010) (async) syz_extract_tcp_res(&(0x7f0000000000), 0x5, 0x9) 22:20:28 executing program 2: r0 = syz_init_net_socket$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) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x1c, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4014}, 0x8000) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000f433e2c0859138a53cef6a7899552d30e208ef22e9627a19aae69da01c37f644b860006e42bd0a0218f6a860b32a6ea16c64914a85c2886a0780c2f8fbea7e5d9d", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r5) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xc00}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0x7c, r6, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'netpci0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20004015}, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000480), r3) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r4, 0x1}, 0x14}}, 0x0) [ 1460.598207] nbd: must specify an index to disconnect 22:20:28 executing program 1: pselect6(0xab07bae9, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:28 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) 22:20:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xa4, 0x0, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0x4850) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xa4, 0x0, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0x4850) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f0000000440)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="db11a62f5081d357341d72aa3aac"], 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x800) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x20000010) syz_extract_tcp_res(&(0x7f0000000000), 0x5, 0x9) 22:20:28 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:28 executing program 1: pselect6(0xab07bae9, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x4040000) [ 1460.718481] nbd: must specify an index to disconnect 22:20:28 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x1c, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4014}, 0x8000) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000f433e2c0859138a53cef6a7899552d30e208ef22e9627a19aae69da01c37f644b860006e42bd0a0218f6a860b32a6ea16c64914a85c2886a0780c2f8fbea7e5d9d", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r5) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xc00}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0x7c, r6, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'netpci0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20004015}, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000480), r3) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r4, 0x1}, 0x14}}, 0x0) syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x1c, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4014}, 0x8000) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000f433e2c0859138a53cef6a7899552d30e208ef22e9627a19aae69da01c37f644b860006e42bd0a0218f6a860b32a6ea16c64914a85c2886a0780c2f8fbea7e5d9d", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r5) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xc00}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0x7c, r6, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'netpci0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20004015}, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000480), r3) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r4, 0x1}, 0x14}}, 0x0) (async) 22:20:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="00800000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 22:20:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) 22:20:28 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(0x0, r1) 22:20:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="00800000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 22:20:28 executing program 1: pselect6(0xab07bae9, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) pselect6(0xab07bae9, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) 22:20:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, 0x0, 0xb21}, 0x14}}, 0x0) [ 1460.860066] nbd: must specify an index to disconnect 22:20:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="00800000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 22:20:28 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(0x0, r1) 22:20:28 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_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r3, &(0x7f0000000440)={&(0x7f0000000380)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x1c, 0x0, 0x200, 0x70bd27, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4014}, 0x8000) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000f433e2c0859138a53cef6a7899552d30e208ef22e9627a19aae69da01c37f644b860006e42bd0a0218f6a860b32a6ea16c64914a85c2886a0780c2f8fbea7e5d9d", @ANYRES16=0x0, @ANYBLOB="0000000000000000000002000000"], 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r5) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_ACCEPT(r2, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xc00}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)={0x7c, r6, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @broadcast}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'netpci0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team0\x00'}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20004015}, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000480), r3) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r4, 0x1}, 0x14}}, 0x0) 22:20:28 executing program 1: ioctl$VIDIOC_QBUF(0xffffffffffffffff, 0xc058560f, &(0x7f0000000100)=@multiplanar_userptr={0x7fff, 0x1, 0x4, 0x0, 0x1, {0x77359400}, {0x5, 0x8, 0x5, 0x80, 0x7f, 0x2, "95db72ef"}, 0x2, 0x2, {&(0x7f0000000080)=[{0x2, 0x6, {}, 0x3}, {0x9, 0x7, {&(0x7f0000000040)}, 0x255}]}, 0x5}) pselect6(0xffffffffffffffcb, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_SUBDEV_G_FRAME_INTERVAL(0xffffffffffffffff, 0xc0305615, &(0x7f00000001c0)={0x0, {0x7, 0x1}}) ioctl$VIDIOC_ENUM_FRAMESIZES(0xffffffffffffffff, 0xc02c564a, &(0x7f0000000200)={0x9, 0x32314247, 0x2, @stepwise={0x7, 0xe6a, 0x8, 0x100, 0x9914, 0x7}}) sendmsg$NLBL_UNLABEL_C_ACCEPT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000003c0)={&(0x7f00000002c0)={0xc8, 0x0, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:devicekit_var_lib_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'batadv0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pim6reg0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0xc8}, 0x1, 0x0, 0x0, 0x40}, 0x0) connect$rose(0xffffffffffffffff, &(0x7f0000000240)=@short={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, 0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}}, 0x1c) clock_gettime(0x0, &(0x7f0000000180)) 22:20:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:28 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2}, 0x14}}, 0x0) 22:20:28 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r3) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x98, r4, 0x1, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:update_modules_exec_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:crond_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:anacron_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x4040010}, 0x48000) 22:20:28 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(0x0, r1) 22:20:28 executing program 1: ioctl$VIDIOC_QBUF(0xffffffffffffffff, 0xc058560f, &(0x7f0000000100)=@multiplanar_userptr={0x7fff, 0x1, 0x4, 0x0, 0x1, {0x77359400}, {0x5, 0x8, 0x5, 0x80, 0x7f, 0x2, "95db72ef"}, 0x2, 0x2, {&(0x7f0000000080)=[{0x2, 0x6, {}, 0x3}, {0x9, 0x7, {&(0x7f0000000040)}, 0x255}]}, 0x5}) (async) pselect6(0xffffffffffffffcb, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) ioctl$VIDIOC_SUBDEV_G_FRAME_INTERVAL(0xffffffffffffffff, 0xc0305615, &(0x7f00000001c0)={0x0, {0x7, 0x1}}) (async) ioctl$VIDIOC_ENUM_FRAMESIZES(0xffffffffffffffff, 0xc02c564a, &(0x7f0000000200)={0x9, 0x32314247, 0x2, @stepwise={0x7, 0xe6a, 0x8, 0x100, 0x9914, 0x7}}) sendmsg$NLBL_UNLABEL_C_ACCEPT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000003c0)={&(0x7f00000002c0)={0xc8, 0x0, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:devicekit_var_lib_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'batadv0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pim6reg0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0xc8}, 0x1, 0x0, 0x0, 0x40}, 0x0) (async) connect$rose(0xffffffffffffffff, &(0x7f0000000240)=@short={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, 0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}}, 0x1c) clock_gettime(0x0, &(0x7f0000000180)) 22:20:28 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x10, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:cpu_device_t:s0\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0xd000) 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$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1}, 0x14}}, 0x0) 22:20:29 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2}, 0x14}}, 0x0) 22:20:29 executing program 1: ioctl$VIDIOC_QBUF(0xffffffffffffffff, 0xc058560f, &(0x7f0000000100)=@multiplanar_userptr={0x7fff, 0x1, 0x4, 0x0, 0x1, {0x77359400}, {0x5, 0x8, 0x5, 0x80, 0x7f, 0x2, "95db72ef"}, 0x2, 0x2, {&(0x7f0000000080)=[{0x2, 0x6, {}, 0x3}, {0x9, 0x7, {&(0x7f0000000040)}, 0x255}]}, 0x5}) pselect6(0xffffffffffffffcb, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) ioctl$VIDIOC_SUBDEV_G_FRAME_INTERVAL(0xffffffffffffffff, 0xc0305615, &(0x7f00000001c0)={0x0, {0x7, 0x1}}) (async) ioctl$VIDIOC_ENUM_FRAMESIZES(0xffffffffffffffff, 0xc02c564a, &(0x7f0000000200)={0x9, 0x32314247, 0x2, @stepwise={0x7, 0xe6a, 0x8, 0x100, 0x9914, 0x7}}) (async) sendmsg$NLBL_UNLABEL_C_ACCEPT(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000003c0)={&(0x7f00000002c0)={0xc8, 0x0, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @local}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_UNLABEL_A_SECCTX={0x2d, 0x7, 'system_u:object_r:devicekit_var_lib_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'batadv0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @remote}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pim6reg0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5}]}, 0xc8}, 0x1, 0x0, 0x0, 0x40}, 0x0) (async) connect$rose(0xffffffffffffffff, &(0x7f0000000240)=@short={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, 0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}}, 0x1c) (async) clock_gettime(0x0, &(0x7f0000000180)) 22:20:29 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) 22:20:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 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$netlbl_unlabel(&(0x7f0000000340), r3) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x98, r4, 0x1, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:update_modules_exec_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:crond_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:anacron_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x4040010}, 0x48000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 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$netlbl_unlabel(&(0x7f0000000340), r3) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r4, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x98, r4, 0x1, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:update_modules_exec_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:crond_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:anacron_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x4040010}, 0x48000) (async) 22:20:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:29 executing program 1: connect$rds(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x4e20, @multicast2}, 0x10) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) 22:20:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x10, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:cpu_device_t:s0\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0xd000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x10, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:cpu_device_t:s0\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0xd000) (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$nbd(&(0x7f0000000040), r3) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) [ 1461.170554] nbd: must specify an index to disconnect 22:20:29 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2}, 0x14}}, 0x0) 22:20:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:29 executing program 1: connect$rds(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x4e20, @multicast2}, 0x10) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) 22:20:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 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$netlbl_unlabel(&(0x7f0000000340), r3) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r4, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x98, r4, 0x1, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:update_modules_exec_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:crond_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:anacron_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x4040010}, 0x48000) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000080)={&(0x7f00000001c0)={0x98, r4, 0x1, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:update_modules_exec_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x29, 0x7, 'system_u:object_r:crond_var_run_t:s0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x28, 0x7, 'system_u:object_r:anacron_exec_t:s0\x00'}]}, 0x98}, 0x1, 0x0, 0x0, 0x4040010}, 0x48000) 22:20:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x10, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:cpu_device_t:s0\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0xd000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1}, 0x14}}, 0x0) [ 1461.301070] nbd: must specify an index to disconnect 22:20:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:29 executing program 1: connect$rds(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x4e20, @multicast2}, 0x10) (async, rerun: 64) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (rerun: 64) 22:20:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f00000001c0), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVEDEF(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)={0xa4, 0x0, 0x200, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @empty}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast1}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @rand_addr=' \x01\x00'}]}, 0xa4}, 0x1, 0x0, 0x0, 0x80}, 0x4850) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000240)={&(0x7f0000000440)=ANY=[@ANYBLOB="14000000", @ANYRES16=r2, @ANYBLOB="db11a62f5081d357341d72aa3aac"], 0x14}, 0x1, 0x0, 0x0, 0x8000}, 0x800) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x20000010) syz_extract_tcp_res(&(0x7f0000000000), 0x5, 0x9) 22:20:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) (async, rerun: 32) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r2, 0x10, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:cpu_device_t:s0\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x40000}, 0xd000) (rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1}, 0x14}}, 0x0) 22:20:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), 0xffffffffffffffff) [ 1461.393690] nbd: must specify an index to disconnect 22:20:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, 0x0}, 0x0) 22:20:29 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) pselect6(0x40, &(0x7f0000000000)={0x8, 0x8, 0x1f, 0x7fff, 0x1000, 0x9b, 0x7}, &(0x7f0000000040)={0x7, 0x9, 0xfffffffffffffffe, 0x685404da, 0xffffffff, 0x7fff, 0x3ff, 0xfffffffffffffffc}, &(0x7f0000000080)={0x6, 0xa1, 0x90d, 0x2, 0x0, 0x8, 0x9, 0xffffffff}, &(0x7f00000000c0), &(0x7f0000000140)={&(0x7f0000000100)={[0x8000000000]}, 0x8}) 22:20:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x28}}, 0x4040000) 22:20:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), 0xffffffffffffffff) 22:20:29 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x80, r4, 0xb, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bond\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2e, 0x7, 'system_u:object_r:auditd_initrc_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x24}}]}, 0x80}, 0x1, 0x0, 0x0, 0x20040000}, 0x10040094) 22:20:29 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) pselect6(0x40, &(0x7f0000000000)={0x8, 0x8, 0x1f, 0x7fff, 0x1000, 0x9b, 0x7}, &(0x7f0000000040)={0x7, 0x9, 0xfffffffffffffffe, 0x685404da, 0xffffffff, 0x7fff, 0x3ff, 0xfffffffffffffffc}, &(0x7f0000000080)={0x6, 0xa1, 0x90d, 0x2, 0x0, 0x8, 0x9, 0xffffffff}, &(0x7f00000000c0), &(0x7f0000000140)={&(0x7f0000000100)={[0x8000000000]}, 0x8}) 22:20:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x4040000) 22:20:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x14, r1, 0x1}, 0x14}}, 0x4040000) 22:20:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), 0xffffffffffffffff) 22:20:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:29 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) pselect6(0x40, &(0x7f0000000000)={0x8, 0x8, 0x1f, 0x7fff, 0x1000, 0x9b, 0x7}, &(0x7f0000000040)={0x7, 0x9, 0xfffffffffffffffe, 0x685404da, 0xffffffff, 0x7fff, 0x3ff, 0xfffffffffffffffc}, &(0x7f0000000080)={0x6, 0xa1, 0x90d, 0x2, 0x0, 0x8, 0x9, 0xffffffff}, &(0x7f00000000c0), &(0x7f0000000140)={&(0x7f0000000100)={[0x8000000000]}, 0x8}) [ 1461.585146] nbd: must specify an index to disconnect 22:20:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}]}, 0x30}}, 0x4040000) 22:20:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x80, r4, 0xb, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bond\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2e, 0x7, 'system_u:object_r:auditd_initrc_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x24}}]}, 0x80}, 0x1, 0x0, 0x0, 0x20040000}, 0x10040094) 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$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (async) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x80, r4, 0xb, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bond\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2e, 0x7, 'system_u:object_r:auditd_initrc_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x24}}]}, 0x80}, 0x1, 0x0, 0x0, 0x20040000}, 0x10040094) (async) 22:20:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x14, r1, 0x1}, 0x14}}, 0x4040000) 22:20:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x80, 0x0, 0x700, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:smartcard_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x3}, @NLBL_UNLABEL_A_IPV4MASK={0xfe35, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x80}, 0x1, 0x0, 0x0, 0x26000904}, 0x40810) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000140), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r4, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x20044050) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r6) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f00000005c0)={0x70, r7, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r5, &(0x7f0000000580)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x3c, r7, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '#\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000000}, 0x40080) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000680), r3) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000740)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x2c, r8, 0x1, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x20000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000c0e51a732440820200000000000000000004000780000000002000"/41], 0x24}}, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x2c, r1, 0x8, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x800) ioctl$SIOCRSGL2CALL(0xffffffffffffffff, 0x89e5, &(0x7f0000000000)=@bcast) 22:20:29 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) pselect6(0x40, &(0x7f0000000000)={0x57, 0x7d, 0x3, 0x2, 0x40, 0xffffffffffffff5f, 0x2, 0x401}, &(0x7f0000000040)={0x80000001, 0x7, 0x7, 0x7, 0x7f, 0x180000000000000, 0x8000000000000001, 0x3863e602}, &(0x7f0000000080)={0x9c, 0x9, 0xfffffffffffff000, 0x5, 0x0, 0x0, 0x0, 0x57}, &(0x7f00000000c0)={0x77359400}, &(0x7f0000000140)={&(0x7f0000000100)={[0x1293]}, 0x8}) 22:20:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x14, r1, 0x1}, 0x14}}, 0x4040000) [ 1461.712727] nbd: must specify an index to disconnect 22:20:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x30, r3, 0x100, 0x70bd26, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @local}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x30}, 0x1, 0x0, 0x0, 0x46010}, 0x48000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="01000000000000000000010000000c00020000000000004a680004000780"], 0x24}}, 0x0) 22:20:29 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) pselect6(0x40, &(0x7f0000000000)={0x57, 0x7d, 0x3, 0x2, 0x40, 0xffffffffffffff5f, 0x2, 0x401}, &(0x7f0000000040)={0x80000001, 0x7, 0x7, 0x7, 0x7f, 0x180000000000000, 0x8000000000000001, 0x3863e602}, &(0x7f0000000080)={0x9c, 0x9, 0xfffffffffffff000, 0x5, 0x0, 0x0, 0x0, 0x57}, &(0x7f00000000c0)={0x77359400}, &(0x7f0000000140)={&(0x7f0000000100)={[0x1293]}, 0x8}) 22:20:29 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, 0x0, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:29 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x80, 0x0, 0x700, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:smartcard_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x3}, @NLBL_UNLABEL_A_IPV4MASK={0xfe35, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x80}, 0x1, 0x0, 0x0, 0x26000904}, 0x40810) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000140), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r4, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x20044050) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) (async) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r6) (async, rerun: 64) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r6) (rerun: 64) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f00000005c0)={0x70, r7, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) (async, rerun: 64) sendmsg$NLBL_MGMT_C_ADD(r5, &(0x7f0000000580)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x3c, r7, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '#\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000000}, 0x40080) (async, rerun: 64) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000680), r3) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000740)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x2c, r8, 0x1, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x20000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000c0e51a732440820200000000000000000004000780000000002000"/41], 0x24}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x2c, r1, 0x8, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x800) (async, rerun: 64) ioctl$SIOCRSGL2CALL(0xffffffffffffffff, 0x89e5, &(0x7f0000000000)=@bcast) (rerun: 64) [ 1461.755054] nla_parse: 217 callbacks suppressed [ 1461.755061] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1461.769221] nbd: must specify an index to disconnect 22:20:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x28}}, 0x0) 22:20:29 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r4 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x80, r4, 0xb, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @loopback}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0_to_bond\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @remote}, @NLBL_UNLABEL_A_SECCTX={0x2e, 0x7, 'system_u:object_r:auditd_initrc_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x24}}]}, 0x80}, 0x1, 0x0, 0x0, 0x20040000}, 0x10040094) 22:20:29 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) pselect6(0x40, &(0x7f0000000000)={0x57, 0x7d, 0x3, 0x2, 0x40, 0xffffffffffffff5f, 0x2, 0x401}, &(0x7f0000000040)={0x80000001, 0x7, 0x7, 0x7, 0x7f, 0x180000000000000, 0x8000000000000001, 0x3863e602}, &(0x7f0000000080)={0x9c, 0x9, 0xfffffffffffff000, 0x5, 0x0, 0x0, 0x0, 0x57}, &(0x7f00000000c0)={0x77359400}, &(0x7f0000000140)={&(0x7f0000000100)={[0x1293]}, 0x8}) 22:20:29 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x80, 0x0, 0x700, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:smartcard_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x3}, @NLBL_UNLABEL_A_IPV4MASK={0xfe35, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x80}, 0x1, 0x0, 0x0, 0x26000904}, 0x40810) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000140), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r4, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x20044050) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r6) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f00000005c0)={0x70, r7, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r5, &(0x7f0000000580)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x3c, r7, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '#\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000000}, 0x40080) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000680), r3) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000740)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x2c, r8, 0x1, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x20000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000c0e51a732440820200000000000000000004000780000000002000"/41], 0x24}}, 0x0) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x2c, r1, 0x8, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x800) ioctl$SIOCRSGL2CALL(0xffffffffffffffff, 0x89e5, &(0x7f0000000000)=@bcast) 22:20:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:29 executing program 1: bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000100)={0x1, 0x58, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x8001}}, './file0\x00'}) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000200)={0x6, 0x6, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0xfff}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x21, 0x0, 0x0, 0x0, 0x4}, @ldst={0x0, 0x3, 0x3, 0x6, 0xb, 0x14, 0x10}]}, &(0x7f0000000040)='syzkaller\x00', 0x5, 0x0, 0x0, 0x100, 0x11, '\x00', r0, 0x25, r1, 0x8, &(0x7f0000000180)={0x9, 0x5}, 0x8, 0x10, &(0x7f00000001c0)={0x5, 0x6, 0xb27, 0xfffffffe}, 0x10}, 0x80) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 1461.906130] nbd: must specify an index to disconnect 22:20:29 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:29 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r1) sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r3, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x21}, 0x14040010) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000180)={{0x1, 0x1, 0x18}, './file0\x00'}) [ 1461.955973] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.4'. [ 1461.994230] nbd: must specify an index to disconnect 22:20:29 executing program 1: bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000100)={0x1, 0x58, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x8001}}, './file0\x00'}) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000200)={0x6, 0x6, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0xfff}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x21, 0x0, 0x0, 0x0, 0x4}, @ldst={0x0, 0x3, 0x3, 0x6, 0xb, 0x14, 0x10}]}, &(0x7f0000000040)='syzkaller\x00', 0x5, 0x0, 0x0, 0x100, 0x11, '\x00', r0, 0x25, r1, 0x8, &(0x7f0000000180)={0x9, 0x5}, 0x8, 0x10, &(0x7f00000001c0)={0x5, 0x6, 0xb27, 0xfffffffe}, 0x10}, 0x80) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:29 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$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:29 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000200000000000004000780f65fc6c293557effba7be434944456e7117b7ca27f558139ab8fd0e1487989245703be9b811fa07f1f9d11658982c0193f3afa0b680fadc363ac7a805e01a51880eecf957cd93d22fef8276e4485311c48ba7f105e1c1ead93f0e3c101e4a18651203488c60e3aab844a932a4bb0ba674347c270df10bde1ebe98f6265d3da36cbf025644ea57c43693b189365f82acfa7eed9e4238129e29c90fdc48c5be384c458db58000000000000000000"], 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r5) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r5, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADD(r4, &(0x7f00000003c0)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x1100010}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x24, r6, 0x10, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3a}}]}, 0x24}, 0x1, 0x0, 0x0, 0x4a000}, 0x4000885) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)=ANY=[@ANYBLOB='p\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000400000000fbdbdf25020000000800020000000000050001000000000014000500fc0200000000000000e9ffffffffffff09000100232128292300000008000800ffffffff14000500fe8000000000000000000000000000bb06000b000000000006000100ffff0000"], 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000140)={0x80, r3, 0x4, 0x70bd2d, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '@\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x80}, 0x1, 0x0, 0x0, 0x4}, 0x0) [ 1462.014000] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1462.037542] nbd: must specify an index to disconnect 22:20:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_LIST(r3, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x80, 0x0, 0x700, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @empty}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_SECCTX={0x2c, 0x7, 'system_u:object_r:smartcard_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x3}, @NLBL_UNLABEL_A_IPV4MASK={0xfe35, 0x5, @initdev={0xac, 0x1e, 0x0, 0x0}}]}, 0x80}, 0x1, 0x0, 0x0, 0x26000904}, 0x40810) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000140), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x38, r4, 0x400, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000}, 0x20044050) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) (async) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r6) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f00000005c0)={0x70, r7, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r5, &(0x7f0000000580)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x3c, r7, 0x200, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '#\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x21}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000000}, 0x40080) (async) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000680), r3) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000740)={&(0x7f0000000640)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x2c, r8, 0x1, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x20000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000280)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000c0e51a732440820200000000000000000004000780000000002000"/41], 0x24}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000440)={&(0x7f0000000400)={0x2c, r1, 0x8, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x800) (async) ioctl$SIOCRSGL2CALL(0xffffffffffffffff, 0x89e5, &(0x7f0000000000)=@bcast) 22:20:30 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) [ 1462.064653] nbd: must specify an index to disconnect 22:20:30 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r1) sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r3, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x21}, 0x14040010) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000180)={{0x1, 0x1, 0x18}, './file0\x00'}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r1) (async) sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r3, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x21}, 0x14040010) (async) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000180)={{0x1, 0x1, 0x18}, './file0\x00'}) (async) 22:20:30 executing program 1: bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000100)={0x1, 0x58, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) (async) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x8001}}, './file0\x00'}) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000200)={0x6, 0x6, &(0x7f0000000000)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0xfff}, [@initr0={0x18, 0x0, 0x0, 0x0, 0x21, 0x0, 0x0, 0x0, 0x4}, @ldst={0x0, 0x3, 0x3, 0x6, 0xb, 0x14, 0x10}]}, &(0x7f0000000040)='syzkaller\x00', 0x5, 0x0, 0x0, 0x100, 0x11, '\x00', r0, 0x25, r1, 0x8, &(0x7f0000000180)={0x9, 0x5}, 0x8, 0x10, &(0x7f00000001c0)={0x5, 0x6, 0xb27, 0xfffffffe}, 0x10}, 0x80) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r1, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) 22:20:30 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = getpid() sched_rr_get_interval(r0, &(0x7f0000000000)) [ 1462.168816] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 22:20:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) 22:20:30 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) [ 1462.211959] nbd: must specify an index to disconnect [ 1462.223377] nbd: must specify an index to disconnect 22:20:30 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = getpid() sched_rr_get_interval(r0, &(0x7f0000000000)) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) getpid() (async) sched_rr_get_interval(r0, &(0x7f0000000000)) (async) 22:20:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:30 executing program 5: sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000000)) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x54, 0x0, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:setrans_initrc_exec_t:s0\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0xd59479ade3466e7b}, 0x48000) sched_rr_get_interval(0x0, &(0x7f0000000280)) [ 1462.264869] nbd: must specify an index to disconnect 22:20:30 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) 22:20:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:30 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$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r1) sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r3, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x21}, 0x14040010) (async) sendmsg$NLBL_MGMT_C_LISTDEF(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r3, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x21}, 0x14040010) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000180)={{0x1, 0x1, 0x18}, './file0\x00'}) 22:20:30 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r4, 0x8, 0x70bd2b, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040000}, 0x4000801) 22:20:30 executing program 5: sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000000)) 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x54, 0x0, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:setrans_initrc_exec_t:s0\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0xd59479ade3466e7b}, 0x48000) sched_rr_get_interval(0x0, &(0x7f0000000280)) 22:20:30 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = getpid() sched_rr_get_interval(r0, &(0x7f0000000000)) 22:20:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x28}}, 0x0) (fail_nth: 1) 22:20:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) [ 1462.430067] nbd: must specify an index to disconnect 22:20:30 executing program 1: r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, &(0x7f0000000080)=0x0, &(0x7f00000000c0)=0x4) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000100)={r0, r1}, 0x10) syz_open_dev$vivid(&(0x7f0000000700), 0x0, 0x2) r2 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000380)={0x6, 0x1, &(0x7f00000001c0)=ANY=[@ANYBLOB="04"], &(0x7f0000000200)='syzkaller\x00', 0x8, 0x50, &(0x7f0000000240)=""/80, 0x40f00, 0x18, '\x00', r1, 0x25, r0, 0x8, &(0x7f00000002c0)={0x8, 0x1}, 0x8, 0x10, &(0x7f0000000300)={0x2, 0x8, 0x63de, 0x4}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000340)=[r2, r0, r0]}, 0x80) setsockopt$bt_l2cap_L2CAP_OPTIONS(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000000)={0x3, 0x6, 0xf08a, 0x5, 0x0, 0x7, 0x302}, 0xc) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$VIDIOC_QUERYCAP(r3, 0x80685600, &(0x7f0000000140)) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000005c0)={r0, 0x58, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000680)={0x18, 0xd, &(0x7f0000000480)=@raw=[@alu={0x4, 0x1, 0x9, 0x3, 0x0, 0xffffffffffffffe0, 0x4}, @alu={0x4, 0x1, 0x4, 0x8, 0xa}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x4}, @map_idx_val={0x18, 0x7, 0x6, 0x0, 0x3, 0x0, 0x0, 0x0, 0x3}, @map_fd={0x18, 0x6, 0x1, 0x0, r0}, @initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x6}, @cb_func={0x18, 0xa, 0x4, 0x0, 0xfffffffffffffffe}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x5}, @call={0x85, 0x0, 0x0, 0xa4}], &(0x7f0000000500)='GPL\x00', 0xff, 0x0, 0x0, 0x40f00, 0x1f, '\x00', r4, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000600)={0x5, 0x1}, 0x8, 0x10, &(0x7f0000000640)={0x1, 0x2, 0x8f0, 0xffff}, 0x10}, 0x80) pselect6(0xfffffffffffffed6, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000400)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfff}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r0, 0xc018937e, &(0x7f0000000440)={{0x1, 0x1, 0x18, r5, {0x1}}, './file0\x00'}) 22:20:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r2, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x40080c0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r5, 0x8, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8001}, 0x804) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)={0x14, r2, 0x1, 0x70bd26}, 0x14}}, 0x4000000) 22:20:30 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (fail_nth: 1) 22:20:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:30 executing program 5: sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000000)) (async) sched_rr_get_interval(0xffffffffffffffff, &(0x7f0000000000)) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)={0x54, 0x0, 0x800, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @local}, @NLBL_UNLABEL_A_SECCTX={0x2f, 0x7, 'system_u:object_r:setrans_initrc_exec_t:s0\x00'}]}, 0x54}, 0x1, 0x0, 0x0, 0xd59479ade3466e7b}, 0x48000) sched_rr_get_interval(0x0, &(0x7f0000000280)) [ 1462.525186] FAULT_INJECTION: forcing a failure. [ 1462.525186] name failslab, interval 1, probability 0, space 0, times 0 [ 1462.554099] FAULT_INJECTION: forcing a failure. [ 1462.554099] name failslab, interval 1, probability 0, space 0, times 0 22:20:30 executing program 2: 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$nbd(&(0x7f0000000040), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r2, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x40080c0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r5, 0x8, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8001}, 0x804) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)={0x14, r2, 0x1, 0x70bd26}, 0x14}}, 0x4000000) [ 1462.579205] nbd: must specify an index to disconnect [ 1462.582941] CPU: 0 PID: 3668 Comm: syz-executor.4 Not tainted 4.14.307-syzkaller #0 [ 1462.592144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1462.602367] Call Trace: [ 1462.604968] dump_stack+0x1b2/0x281 [ 1462.608614] should_fail.cold+0x10a/0x149 [ 1462.612776] should_failslab+0xd6/0x130 [ 1462.616769] kmem_cache_alloc_node+0x263/0x410 [ 1462.621369] __alloc_skb+0x5c/0x510 [ 1462.625026] netlink_sendmsg+0x927/0xbc0 [ 1462.629100] ? nlmsg_notify+0x1b0/0x1b0 [ 1462.633077] ? kernel_recvmsg+0x210/0x210 [ 1462.637226] ? security_socket_sendmsg+0x83/0xb0 [ 1462.642017] ? nlmsg_notify+0x1b0/0x1b0 [ 1462.645997] sock_sendmsg+0xb5/0x100 [ 1462.649715] ___sys_sendmsg+0x6c8/0x800 [ 1462.653688] ? get_pid_task+0x91/0x130 [ 1462.657576] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1462.659375] nbd: must specify an index to disconnect [ 1462.662337] ? lock_downgrade+0x740/0x740 [ 1462.662355] ? __fget+0x23e/0x3e0 [ 1462.662371] ? lock_acquire+0x170/0x3f0 22:20:30 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, r2, 0x100, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x8000}, 0x40080c0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r4) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r4) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r5, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r5, 0x8, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8001}, 0x804) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)={0x14, r2, 0x1, 0x70bd26}, 0x14}}, 0x4000000) [ 1462.662384] ? lock_downgrade+0x740/0x740 [ 1462.662402] ? __fget+0x265/0x3e0 [ 1462.662420] ? __fdget+0x19b/0x1f0 [ 1462.690183] ? sockfd_lookup_light+0xb2/0x160 [ 1462.694689] __sys_sendmsg+0xa3/0x120 [ 1462.698496] ? SyS_shutdown+0x160/0x160 [ 1462.702474] ? wait_for_completion_io+0x10/0x10 [ 1462.707157] ? SyS_read+0x210/0x210 [ 1462.710797] ? __do_page_fault+0x159/0xad0 [ 1462.715051] SyS_sendmsg+0x27/0x40 [ 1462.718601] ? __sys_sendmsg+0x120/0x120 [ 1462.722667] do_syscall_64+0x1d5/0x640 22:20:30 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$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r4, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x44}}, 0x8010) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) [ 1462.726589] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1462.731792] RIP: 0033:0x7f91f862d0f9 [ 1462.735502] RSP: 002b:00007f91f6b9f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1462.743211] RAX: ffffffffffffffda RBX: 00007f91f874cf80 RCX: 00007f91f862d0f9 [ 1462.750483] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 [ 1462.757761] RBP: 00007f91f6b9f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1462.765043] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1462.772330] R13: 00007ffd246f88ef R14: 00007f91f6b9f300 R15: 0000000000022000 [ 1462.779617] CPU: 1 PID: 3671 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0 [ 1462.787423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1462.796782] Call Trace: [ 1462.799381] dump_stack+0x1b2/0x281 [ 1462.803023] should_fail.cold+0x10a/0x149 [ 1462.807188] should_failslab+0xd6/0x130 [ 1462.811176] kmem_cache_alloc_node+0x263/0x410 [ 1462.815768] __alloc_skb+0x5c/0x510 [ 1462.819409] netlink_sendmsg+0x927/0xbc0 [ 1462.823486] ? nlmsg_notify+0x1b0/0x1b0 [ 1462.827495] ? security_socket_sendmsg+0x83/0xb0 [ 1462.832258] ? nlmsg_notify+0x1b0/0x1b0 [ 1462.836243] sock_sendmsg+0xb5/0x100 [ 1462.839973] SyS_sendto+0x1c7/0x2c0 [ 1462.843725] ? SyS_getpeername+0x220/0x220 [ 1462.847975] ? lock_downgrade+0x740/0x740 [ 1462.852144] ? wait_for_completion_io+0x10/0x10 [ 1462.856821] ? vfs_write+0x319/0x4d0 [ 1462.860547] ? fput_many+0xe/0x140 [ 1462.864104] ? SyS_write+0x14d/0x210 [ 1462.867828] ? SyS_read+0x210/0x210 [ 1462.871463] ? __do_page_fault+0x159/0xad0 [ 1462.875706] ? do_syscall_64+0x4c/0x640 [ 1462.879690] ? SyS_getpeername+0x220/0x220 [ 1462.883939] do_syscall_64+0x1d5/0x640 [ 1462.887838] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1462.893118] RIP: 0033:0x7fe6219f412c [ 1462.896835] RSP: 002b:00007fe61ffb3000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 1462.904554] RAX: ffffffffffffffda RBX: 00007fe61ffb30f0 RCX: 00007fe6219f412c [ 1462.911831] RDX: 0000000000000024 RSI: 00007fe61ffb3140 RDI: 0000000000000005 [ 1462.919102] RBP: 0000000000000000 R08: 00007fe61ffb3054 R09: 000000000000000c 22:20:30 executing program 1: r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, &(0x7f0000000080)=0x0, &(0x7f00000000c0)=0x4) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000100)={r0, r1}, 0x10) syz_open_dev$vivid(&(0x7f0000000700), 0x0, 0x2) r2 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000380)={0x6, 0x1, &(0x7f00000001c0)=ANY=[@ANYBLOB="04"], &(0x7f0000000200)='syzkaller\x00', 0x8, 0x50, &(0x7f0000000240)=""/80, 0x40f00, 0x18, '\x00', r1, 0x25, r0, 0x8, &(0x7f00000002c0)={0x8, 0x1}, 0x8, 0x10, &(0x7f0000000300)={0x2, 0x8, 0x63de, 0x4}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000340)=[r2, r0, r0]}, 0x80) setsockopt$bt_l2cap_L2CAP_OPTIONS(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000000)={0x3, 0x6, 0xf08a, 0x5, 0x0, 0x7, 0x302}, 0xc) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$VIDIOC_QUERYCAP(r3, 0x80685600, &(0x7f0000000140)) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000005c0)={r0, 0x58, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000680)={0x18, 0xd, &(0x7f0000000480)=@raw=[@alu={0x4, 0x1, 0x9, 0x3, 0x0, 0xffffffffffffffe0, 0x4}, @alu={0x4, 0x1, 0x4, 0x8, 0xa}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x4}, @map_idx_val={0x18, 0x7, 0x6, 0x0, 0x3, 0x0, 0x0, 0x0, 0x3}, @map_fd={0x18, 0x6, 0x1, 0x0, r0}, @initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x6}, @cb_func={0x18, 0xa, 0x4, 0x0, 0xfffffffffffffffe}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x5}, @call={0x85, 0x0, 0x0, 0xa4}], &(0x7f0000000500)='GPL\x00', 0xff, 0x0, 0x0, 0x40f00, 0x1f, '\x00', r4, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000600)={0x5, 0x1}, 0x8, 0x10, &(0x7f0000000640)={0x1, 0x2, 0x8f0, 0xffff}, 0x10}, 0x80) pselect6(0xfffffffffffffed6, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000400)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfff}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r0, 0xc018937e, &(0x7f0000000440)={{0x1, 0x1, 0x18, r5, {0x1}}, './file0\x00'}) syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) (async) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) (async) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, &(0x7f0000000080), &(0x7f00000000c0)=0x4) (async) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000100)={r0, r1}, 0x10) (async) syz_open_dev$vivid(&(0x7f0000000700), 0x0, 0x2) (async) syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) (async) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, 0x0, 0x0) (async) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000380)={0x6, 0x1, &(0x7f00000001c0)=ANY=[@ANYBLOB="04"], &(0x7f0000000200)='syzkaller\x00', 0x8, 0x50, &(0x7f0000000240)=""/80, 0x40f00, 0x18, '\x00', r1, 0x25, r0, 0x8, &(0x7f00000002c0)={0x8, 0x1}, 0x8, 0x10, &(0x7f0000000300)={0x2, 0x8, 0x63de, 0x4}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000340)=[r2, r0, r0]}, 0x80) (async) setsockopt$bt_l2cap_L2CAP_OPTIONS(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000000)={0x3, 0x6, 0xf08a, 0x5, 0x0, 0x7, 0x302}, 0xc) (async) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) (async) ioctl$VIDIOC_QUERYCAP(r3, 0x80685600, &(0x7f0000000140)) (async) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000005c0)={r0, 0x58, &(0x7f0000000540)}, 0x10) (async) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000680)={0x18, 0xd, &(0x7f0000000480)=@raw=[@alu={0x4, 0x1, 0x9, 0x3, 0x0, 0xffffffffffffffe0, 0x4}, @alu={0x4, 0x1, 0x4, 0x8, 0xa}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x4}, @map_idx_val={0x18, 0x7, 0x6, 0x0, 0x3, 0x0, 0x0, 0x0, 0x3}, @map_fd={0x18, 0x6, 0x1, 0x0, r0}, @initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x6}, @cb_func={0x18, 0xa, 0x4, 0x0, 0xfffffffffffffffe}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x5}, @call={0x85, 0x0, 0x0, 0xa4}], &(0x7f0000000500)='GPL\x00', 0xff, 0x0, 0x0, 0x40f00, 0x1f, '\x00', r4, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000600)={0x5, 0x1}, 0x8, 0x10, &(0x7f0000000640)={0x1, 0x2, 0x8f0, 0xffff}, 0x10}, 0x80) (async) pselect6(0xfffffffffffffed6, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000400)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfff}}, './file0\x00'}) (async) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r0, 0xc018937e, &(0x7f0000000440)={{0x1, 0x1, 0x18, r5, {0x1}}, './file0\x00'}) (async) 22:20:30 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x28}}, 0x0) (fail_nth: 2) 22:20:30 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3f}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4040890}, 0x0) r2 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, 0x0, 0x0) write$nbd(r2, &(0x7f00000001c0)={0x67446698, 0x1, 0x3, 0x1, 0x2, "11db8bee66fa98d85a55a9aaaa4df8c9a220b9d94c600690bc1978495d31f4e49ae5302fbabc50dbc3a996360cea99b718450563f460657af8cf4a76"}, 0x4c) 22:20:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) [ 1462.923891] nbd: must specify an index to disconnect [ 1462.926430] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe61ffb30a8 [ 1462.926438] R13: 00007fe61ffb3140 R14: 0000000000000005 R15: 0000000000000000 22:20:30 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (fail_nth: 2) 22:20:30 executing program 1: r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) (async) getsockopt$PNPIPE_IFINDEX(0xffffffffffffffff, 0x113, 0x2, &(0x7f0000000080)=0x0, &(0x7f00000000c0)=0x4) bpf$BPF_LINK_CREATE_XDP(0x1c, &(0x7f0000000100)={r0, r1}, 0x10) (async) syz_open_dev$vivid(&(0x7f0000000700), 0x0, 0x2) (async) r2 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000380)={0x6, 0x1, &(0x7f00000001c0)=ANY=[@ANYBLOB="04"], &(0x7f0000000200)='syzkaller\x00', 0x8, 0x50, &(0x7f0000000240)=""/80, 0x40f00, 0x18, '\x00', r1, 0x25, r0, 0x8, &(0x7f00000002c0)={0x8, 0x1}, 0x8, 0x10, &(0x7f0000000300)={0x2, 0x8, 0x63de, 0x4}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000340)=[r2, r0, r0]}, 0x80) (async) setsockopt$bt_l2cap_L2CAP_OPTIONS(0xffffffffffffffff, 0x6, 0x1, &(0x7f0000000000)={0x3, 0x6, 0xf08a, 0x5, 0x0, 0x7, 0x302}, 0xc) (async) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$VIDIOC_QUERYCAP(r3, 0x80685600, &(0x7f0000000140)) (async) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000005c0)={r0, 0x58, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000680)={0x18, 0xd, &(0x7f0000000480)=@raw=[@alu={0x4, 0x1, 0x9, 0x3, 0x0, 0xffffffffffffffe0, 0x4}, @alu={0x4, 0x1, 0x4, 0x8, 0xa}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x4}, @map_idx_val={0x18, 0x7, 0x6, 0x0, 0x3, 0x0, 0x0, 0x0, 0x3}, @map_fd={0x18, 0x6, 0x1, 0x0, r0}, @initr0={0x18, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x6}, @cb_func={0x18, 0xa, 0x4, 0x0, 0xfffffffffffffffe}, @kfunc={0x85, 0x0, 0x2, 0x0, 0x5}, @call={0x85, 0x0, 0x0, 0xa4}], &(0x7f0000000500)='GPL\x00', 0xff, 0x0, 0x0, 0x40f00, 0x1f, '\x00', r4, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000600)={0x5, 0x1}, 0x8, 0x10, &(0x7f0000000640)={0x1, 0x2, 0x8f0, 0xffff}, 0x10}, 0x80) (async) pselect6(0xfffffffffffffed6, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000400)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfff}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r0, 0xc018937e, &(0x7f0000000440)={{0x1, 0x1, 0x18, r5, {0x1}}, './file0\x00'}) 22:20:30 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:30 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$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r4, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x44}}, 0x8010) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r4, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x44}}, 0x8010) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) 22:20:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3f}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4040890}, 0x0) (async, rerun: 32) r2 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) (rerun: 32) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, 0x0, 0x0) (async, rerun: 64) write$nbd(r2, &(0x7f00000001c0)={0x67446698, 0x1, 0x3, 0x1, 0x2, "11db8bee66fa98d85a55a9aaaa4df8c9a220b9d94c600690bc1978495d31f4e49ae5302fbabc50dbc3a996360cea99b718450563f460657af8cf4a76"}, 0x4c) (rerun: 64) 22:20:31 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xd0}}, './file0\x00'}) ioctl$VIDIOC_S_FBUF(r0, 0x4030560b, &(0x7f0000000100)={0x27, 0x31, &(0x7f00000000c0)="2b7f53a679b65d3c3c7d0af48bc16e6eb361985581", {0x4, 0xfffff800, 0x37303250, 0x4, 0x6, 0x7, 0xa, 0x7}}) r1 = syz_open_dev$vivid(&(0x7f0000000000), 0x0, 0x2) ioctl$VIDIOC_QUERYMENU(r1, 0xc02c5625, &(0x7f0000000040)={0x7a4, 0x0, @name="660017d64d8997e39600a3089d8fd7311f4594fa73bc176b48f70207e0312af1"}) 22:20:31 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) [ 1463.078205] FAULT_INJECTION: forcing a failure. [ 1463.078205] name failslab, interval 1, probability 0, space 0, times 0 [ 1463.080460] nbd: must specify at least one socket [ 1463.101736] FAULT_INJECTION: forcing a failure. [ 1463.101736] name failslab, interval 1, probability 0, space 0, times 0 [ 1463.141374] nbd: must specify an index to disconnect [ 1463.158193] CPU: 0 PID: 3725 Comm: syz-executor.4 Not tainted 4.14.307-syzkaller #0 [ 1463.166016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1463.175372] Call Trace: [ 1463.177971] dump_stack+0x1b2/0x281 [ 1463.181607] should_fail.cold+0x10a/0x149 [ 1463.185785] should_failslab+0xd6/0x130 22:20:31 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xd0}}, './file0\x00'}) ioctl$VIDIOC_S_FBUF(r0, 0x4030560b, &(0x7f0000000100)={0x27, 0x31, &(0x7f00000000c0)="2b7f53a679b65d3c3c7d0af48bc16e6eb361985581", {0x4, 0xfffff800, 0x37303250, 0x4, 0x6, 0x7, 0xa, 0x7}}) r1 = syz_open_dev$vivid(&(0x7f0000000000), 0x0, 0x2) ioctl$VIDIOC_QUERYMENU(r1, 0xc02c5625, &(0x7f0000000040)={0x7a4, 0x0, @name="660017d64d8997e39600a3089d8fd7311f4594fa73bc176b48f70207e0312af1"}) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xd0}}, './file0\x00'}) (async) ioctl$VIDIOC_S_FBUF(r0, 0x4030560b, &(0x7f0000000100)={0x27, 0x31, &(0x7f00000000c0)="2b7f53a679b65d3c3c7d0af48bc16e6eb361985581", {0x4, 0xfffff800, 0x37303250, 0x4, 0x6, 0x7, 0xa, 0x7}}) (async) syz_open_dev$vivid(&(0x7f0000000000), 0x0, 0x2) (async) ioctl$VIDIOC_QUERYMENU(r1, 0xc02c5625, &(0x7f0000000040)={0x7a4, 0x0, @name="660017d64d8997e39600a3089d8fd7311f4594fa73bc176b48f70207e0312af1"}) (async) [ 1463.189769] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1463.194889] __kmalloc_node_track_caller+0x38/0x70 [ 1463.197099] nbd: must specify at least one socket [ 1463.199827] __alloc_skb+0x96/0x510 [ 1463.199844] netlink_sendmsg+0x927/0xbc0 [ 1463.199860] ? nlmsg_notify+0x1b0/0x1b0 [ 1463.199871] ? kernel_recvmsg+0x210/0x210 [ 1463.199888] ? security_socket_sendmsg+0x83/0xb0 [ 1463.199900] ? nlmsg_notify+0x1b0/0x1b0 [ 1463.215941] nbd: must specify at least one socket [ 1463.216363] sock_sendmsg+0xb5/0x100 [ 1463.237851] ___sys_sendmsg+0x6c8/0x800 [ 1463.239093] nbd: must specify at least one socket [ 1463.241925] ? get_pid_task+0x91/0x130 [ 1463.241939] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 1463.241967] ? lock_downgrade+0x740/0x740 [ 1463.241983] ? __fget+0x23e/0x3e0 [ 1463.241997] ? lock_acquire+0x170/0x3f0 [ 1463.242008] ? lock_downgrade+0x740/0x740 [ 1463.242022] ? __fget+0x265/0x3e0 [ 1463.254962] nbd: must specify at least one socket [ 1463.259632] ? __fdget+0x19b/0x1f0 [ 1463.259646] ? sockfd_lookup_light+0xb2/0x160 [ 1463.259660] __sys_sendmsg+0xa3/0x120 [ 1463.259672] ? SyS_shutdown+0x160/0x160 [ 1463.259686] ? wait_for_completion_io+0x10/0x10 [ 1463.259705] ? SyS_read+0x210/0x210 [ 1463.259720] ? __do_page_fault+0x159/0xad0 [ 1463.272435] nbd: must specify at least one socket [ 1463.274698] SyS_sendmsg+0x27/0x40 [ 1463.274710] ? __sys_sendmsg+0x120/0x120 [ 1463.274724] do_syscall_64+0x1d5/0x640 [ 1463.274751] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1463.274761] RIP: 0033:0x7f91f862d0f9 [ 1463.274767] RSP: 002b:00007f91f6b9f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 22:20:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x28}}, 0x0) (fail_nth: 3) 22:20:31 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x44, r4, 0x100, 0x70bd2d, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xa}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2b}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x40}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x44}}, 0x8010) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) 22:20:31 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_OPENMOUNT(0xffffffffffffffff, 0xc0189374, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xd0}}, './file0\x00'}) ioctl$VIDIOC_S_FBUF(r0, 0x4030560b, &(0x7f0000000100)={0x27, 0x31, &(0x7f00000000c0)="2b7f53a679b65d3c3c7d0af48bc16e6eb361985581", {0x4, 0xfffff800, 0x37303250, 0x4, 0x6, 0x7, 0xa, 0x7}}) (async) r1 = syz_open_dev$vivid(&(0x7f0000000000), 0x0, 0x2) ioctl$VIDIOC_QUERYMENU(r1, 0xc02c5625, &(0x7f0000000040)={0x7a4, 0x0, @name="660017d64d8997e39600a3089d8fd7311f4594fa73bc176b48f70207e0312af1"}) [ 1463.295558] nbd: must specify at least one socket [ 1463.300042] RAX: ffffffffffffffda RBX: 00007f91f874cf80 RCX: 00007f91f862d0f9 [ 1463.300049] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 [ 1463.300057] RBP: 00007f91f6b9f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 1463.300063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1463.300070] R13: 00007ffd246f88ef R14: 00007f91f6b9f300 R15: 0000000000022000 [ 1463.404368] CPU: 1 PID: 3722 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0 [ 1463.412182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1463.421570] Call Trace: [ 1463.424170] dump_stack+0x1b2/0x281 [ 1463.427838] should_fail.cold+0x10a/0x149 [ 1463.431993] should_failslab+0xd6/0x130 [ 1463.435981] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1463.441091] __kmalloc_node_track_caller+0x38/0x70 [ 1463.446025] __alloc_skb+0x96/0x510 [ 1463.449665] netlink_sendmsg+0x927/0xbc0 [ 1463.453737] ? nlmsg_notify+0x1b0/0x1b0 [ 1463.457725] ? security_socket_sendmsg+0x83/0xb0 [ 1463.462490] ? nlmsg_notify+0x1b0/0x1b0 [ 1463.466475] sock_sendmsg+0xb5/0x100 [ 1463.470202] SyS_sendto+0x1c7/0x2c0 [ 1463.473838] ? SyS_getpeername+0x220/0x220 [ 1463.478082] ? lock_downgrade+0x740/0x740 [ 1463.482252] ? wait_for_completion_io+0x10/0x10 [ 1463.486930] ? vfs_write+0x319/0x4d0 [ 1463.490651] ? fput_many+0xe/0x140 [ 1463.494201] ? SyS_write+0x14d/0x210 [ 1463.497930] ? SyS_read+0x210/0x210 22:20:31 executing program 1: pselect6(0xfffffffffffffdad, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 1463.501559] ? __do_page_fault+0x159/0xad0 [ 1463.505804] ? do_syscall_64+0x4c/0x640 [ 1463.509791] ? SyS_getpeername+0x220/0x220 [ 1463.514031] do_syscall_64+0x1d5/0x640 [ 1463.517928] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1463.523134] RIP: 0033:0x7fe6219f412c [ 1463.526869] RSP: 002b:00007fe61ffb3000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 1463.534588] RAX: ffffffffffffffda RBX: 00007fe61ffb30f0 RCX: 00007fe6219f412c [ 1463.541861] RDX: 0000000000000024 RSI: 00007fe61ffb3140 RDI: 0000000000000005 22:20:31 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (fail_nth: 3) 22:20:31 executing program 1: pselect6(0xfffffffffffffdad, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:31 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x28}}, 0x0) [ 1463.549656] RBP: 0000000000000000 R08: 00007fe61ffb3054 R09: 000000000000000c [ 1463.551111] nbd: must specify at least one socket [ 1463.557099] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe61ffb30a8 [ 1463.557107] R13: 00007fe61ffb3140 R14: 0000000000000005 R15: 0000000000000000 [ 1463.582052] nbd: must specify an index to disconnect [ 1463.611118] nbd: must specify at least one socket [ 1463.635275] nbd: must specify at least one socket [ 1463.651889] nbd: must specify at least one socket [ 1463.664408] FAULT_INJECTION: forcing a failure. [ 1463.664408] name failslab, interval 1, probability 0, space 0, times 0 [ 1463.683483] CPU: 0 PID: 3794 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0 [ 1463.691305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1463.700662] Call Trace: [ 1463.703277] dump_stack+0x1b2/0x281 [ 1463.706963] should_fail.cold+0x10a/0x149 [ 1463.711120] should_failslab+0xd6/0x130 [ 1463.715097] kmem_cache_alloc_node+0x263/0x410 [ 1463.719679] __alloc_skb+0x5c/0x510 [ 1463.723307] ctrl_getfamily+0x309/0x530 [ 1463.727283] ? genl_unregister_family+0x630/0x630 [ 1463.732119] genl_family_rcv_msg+0x572/0xb20 [ 1463.736517] ? genl_rcv+0x40/0x40 [ 1463.739985] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1463.745439] ? __kmalloc_node_track_caller+0x4c/0x70 [ 1463.750554] ? trace_hardirqs_on+0x10/0x10 [ 1463.754786] genl_rcv_msg+0xaf/0x140 [ 1463.758492] netlink_rcv_skb+0x125/0x390 [ 1463.762561] ? genl_family_rcv_msg+0xb20/0xb20 [ 1463.767136] ? netlink_ack+0x9a0/0x9a0 [ 1463.771017] ? lock_acquire+0x170/0x3f0 [ 1463.774987] genl_rcv+0x24/0x40 [ 1463.778256] netlink_unicast+0x437/0x610 [ 1463.782313] ? netlink_sendskb+0xd0/0xd0 [ 1463.786361] ? __check_object_size+0x179/0x230 [ 1463.790932] netlink_sendmsg+0x651/0xbc0 [ 1463.794997] ? nlmsg_notify+0x1b0/0x1b0 [ 1463.798961] ? security_socket_sendmsg+0x83/0xb0 [ 1463.803715] ? nlmsg_notify+0x1b0/0x1b0 [ 1463.807675] sock_sendmsg+0xb5/0x100 [ 1463.811394] SyS_sendto+0x1c7/0x2c0 [ 1463.815008] ? SyS_getpeername+0x220/0x220 [ 1463.819265] ? lock_downgrade+0x740/0x740 [ 1463.824381] ? wait_for_completion_io+0x10/0x10 [ 1463.829038] ? vfs_write+0x319/0x4d0 [ 1463.832739] ? fput_many+0xe/0x140 [ 1463.836275] ? SyS_write+0x14d/0x210 [ 1463.839978] ? SyS_read+0x210/0x210 [ 1463.843590] ? __do_page_fault+0x159/0xad0 [ 1463.847810] ? do_syscall_64+0x4c/0x640 [ 1463.851779] ? SyS_getpeername+0x220/0x220 [ 1463.856010] do_syscall_64+0x1d5/0x640 [ 1463.859890] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1463.865066] RIP: 0033:0x7fe6219f412c [ 1463.868763] RSP: 002b:00007fe61ffb3000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 1463.876463] RAX: ffffffffffffffda RBX: 00007fe61ffb30f0 RCX: 00007fe6219f412c [ 1463.883718] RDX: 0000000000000024 RSI: 00007fe61ffb3140 RDI: 0000000000000005 [ 1463.890974] RBP: 0000000000000000 R08: 00007fe61ffb3054 R09: 000000000000000c [ 1463.898229] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe61ffb30a8 [ 1463.905598] R13: 00007fe61ffb3140 R14: 0000000000000005 R15: 0000000000000000 [ 1463.913638] nbd: must specify at least one socket [ 1463.918718] nbd: must specify at least one socket [ 1463.923934] nbd: must specify at least one socket [ 1463.942745] nbd: must specify at least one socket [ 1463.948404] nbd: must specify at least one socket [ 1463.953359] nbd: must specify at least one socket [ 1463.958814] nbd: must specify at least one socket [ 1463.963787] nbd: must specify at least one socket [ 1463.969036] nbd: must specify at least one socket [ 1463.973977] nbd: must specify at least one socket [ 1463.979175] nbd: must specify at least one socket [ 1463.984128] nbd: must specify at least one socket 22:20:31 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r1, 0x1, 0x0, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x3f}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4040890}, 0x0) (async) r2 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, 0x0, 0x0) (async) write$nbd(r2, &(0x7f00000001c0)={0x67446698, 0x1, 0x3, 0x1, 0x2, "11db8bee66fa98d85a55a9aaaa4df8c9a220b9d94c600690bc1978495d31f4e49ae5302fbabc50dbc3a996360cea99b718450563f460657af8cf4a76"}, 0x4c) 22:20:31 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_open_dev$swradio(&(0x7f0000000080), 0x0, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f0000000180)={0x0, 0x0, 0x1, {0xb}}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000011", @ANYRES16=r3, @ANYBLOB="010000000000fedbdf2502000000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000429bd7000ffdbdf6507000000080004003a0004000300000000233a5e00e4cd0c53392622bb7a85a19d661732e6006ce854b5e5c201e65bd90ac51fb2bf3afbeaf3e6169455ff4a2e50b8f271019365ad0481a1e705005f2ce6479795505f4a6c2a61a8e6cd4807381479415f77631eaeb186001d46abd4aaa0308f6f2b141ad5bd09fb6067919f7125e7ad7580e1b692ce9a6f7a"], 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x40040) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000140), 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0x2c, 0x0, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4000) 22:20:31 executing program 1: pselect6(0xfffffffffffffdad, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:31 executing program 0: r0 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:31 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x28}}, 0x0) 22:20:31 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (fail_nth: 4) [ 1463.989211] nbd: must specify at least one socket [ 1463.994153] nbd: must specify at least one socket [ 1463.999185] nbd: must specify at least one socket [ 1464.004169] nbd: must specify at least one socket [ 1464.011896] nbd: must specify at least one socket [ 1464.016824] nbd: must specify at least one socket 22:20:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(0x0, r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) [ 1464.088607] FAULT_INJECTION: forcing a failure. [ 1464.088607] name failslab, interval 1, probability 0, space 0, times 0 22:20:32 executing program 1: r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000005c0)={r0, 0x58, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) r2 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r0, 0xc018937c, &(0x7f0000000680)={{0x1, 0x1, 0x18, r0, {0x2}}, './file0\x00'}) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r4, 0x113, 0x2, 0x0, 0x0) r5 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r5, 0x113, 0x2, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f00000006c0)={{0x1, 0x1, 0x18, r0, {r0}}, './file0\x00'}) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000740)={0x6, 0x4, &(0x7f00000004c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x80000000, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0x1, 0x0, 0xad3b11828410b2b4, 0x9, 0xfffffffffffffffe, 0xfffffffffffffffc}, @jmp={0x5, 0x1, 0x8, 0x6, 0x2, 0xfffffffffffffff0}], &(0x7f0000000500)='GPL\x00', 0x2, 0x0, 0x0, 0x40f00, 0x18, '\x00', r1, 0x25, r2, 0x8, &(0x7f0000000600)={0x6, 0x2}, 0x8, 0x10, &(0x7f0000000640)={0x0, 0xb, 0x9f, 0x1}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000700)=[r3, r4, r0, r5, r0, r6]}, 0x80) syz_init_net_socket$rose(0xb, 0x5, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$audion(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$audion(&(0x7f0000000000), 0x0, 0x0) socket$rds(0x15, 0x5, 0x0) pselect6(0x40, &(0x7f00000003c0), &(0x7f0000000400)={0x80}, 0x0, 0x0, 0x0) pselect6(0x40, &(0x7f00000002c0)={0x2d36, 0xad, 0x1, 0x400, 0x2, 0x7fffffffffffffff, 0x5, 0x5}, &(0x7f0000000300)={0xff, 0xa0, 0x5b24e1f5, 0x3, 0x8, 0x83b4, 0x3, 0x7}, &(0x7f0000000340)={0x3ff, 0x1, 0x6, 0x4, 0x4, 0x7, 0xffff, 0x8}, &(0x7f0000000380), &(0x7f0000000480)={&(0x7f0000000440)={[0x2]}, 0x8}) accept$phonet_pipe(r0, 0x0, &(0x7f0000000000)) pselect6(0xfffffffffffffcf7, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_SUBDEV_G_FMT(r0, 0xc0585604, &(0x7f0000000040)={0x0, 0x0, {0x0, 0x7ff, 0x1007, 0x2, 0x0, 0x3, 0x1, 0x6}}) r7 = syz_open_dev$video4linux(&(0x7f0000000140), 0x0, 0x0) ioctl$VIDIOC_G_SLICED_VBI_CAP(r7, 0xc0745645, 0x0) ioctl$VIDIOC_G_SLICED_VBI_CAP(r7, 0xc0745645, &(0x7f0000000240)={0x8, [0x5, 0x101, 0x101, 0xec41, 0x2, 0xff, 0x1f, 0x6, 0x6, 0x100, 0x80, 0x8001, 0x45, 0x28, 0x6, 0x9, 0x7f, 0x2, 0x1, 0x9, 0x7, 0xdb, 0x1, 0x6, 0x7c, 0x3, 0x8001, 0xb6, 0x3, 0x40, 0x5, 0x8001, 0x1f, 0x2, 0x3ff, 0xd8f8, 0x9, 0x1, 0x8, 0x4, 0x8001, 0x8000, 0x0, 0x3, 0x9, 0x9, 0x8000, 0x2f], 0xc}) r8 = syz_open_dev$video4linux(&(0x7f0000000140), 0x0, 0x0) ioctl$VIDIOC_G_SLICED_VBI_CAP(r8, 0xc0745645, 0x0) r9 = syz_open_dev$swradio(&(0x7f0000000180), 0x0, 0x2) getsockopt$PNPIPE_ENCAP(r0, 0x113, 0x1, &(0x7f00000001c0), &(0x7f0000000200)=0x4) ioctl$VIDIOC_S_JPEGCOMP(r9, 0x408c563e, &(0x7f00000000c0)={0x2, 0x7, 0x3, "6e88fca3d0436daca1bfd563bf60800800ea5400fa717310a5fe20787cbb125bc836dde5ad7588aa6f9b1b00000000000002000000122500", 0x5, "470b2cb803fa72c8e6c2b63f36fff54bb2a2ebb7ef378560bc6fdf361e42f7c69d9e41a2de4a3d028423ebbecb5d8ec62f13b1e85d94972bafd73f9b", 0xb0}) [ 1464.130231] CPU: 0 PID: 3816 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0 [ 1464.138152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1464.147773] Call Trace: [ 1464.150371] dump_stack+0x1b2/0x281 [ 1464.154032] should_fail.cold+0x10a/0x149 [ 1464.158195] should_failslab+0xd6/0x130 [ 1464.162183] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1464.167321] __kmalloc_node_track_caller+0x38/0x70 [ 1464.172260] __alloc_skb+0x96/0x510 [ 1464.175933] ctrl_getfamily+0x309/0x530 [ 1464.179910] ? genl_unregister_family+0x630/0x630 [ 1464.184776] genl_family_rcv_msg+0x572/0xb20 [ 1464.189191] ? genl_rcv+0x40/0x40 [ 1464.192649] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1464.198104] ? __kmalloc_node_track_caller+0x4c/0x70 [ 1464.203212] ? trace_hardirqs_on+0x10/0x10 [ 1464.207471] genl_rcv_msg+0xaf/0x140 [ 1464.211185] netlink_rcv_skb+0x125/0x390 [ 1464.215257] ? genl_family_rcv_msg+0xb20/0xb20 [ 1464.219846] ? netlink_ack+0x9a0/0x9a0 [ 1464.223739] ? lock_acquire+0x170/0x3f0 [ 1464.227726] genl_rcv+0x24/0x40 [ 1464.231009] netlink_unicast+0x437/0x610 [ 1464.235086] ? netlink_sendskb+0xd0/0xd0 [ 1464.239156] ? __check_object_size+0x179/0x230 [ 1464.243749] netlink_sendmsg+0x651/0xbc0 [ 1464.247821] ? nlmsg_notify+0x1b0/0x1b0 [ 1464.251801] ? security_socket_sendmsg+0x83/0xb0 [ 1464.256558] ? nlmsg_notify+0x1b0/0x1b0 [ 1464.260535] sock_sendmsg+0xb5/0x100 [ 1464.264256] SyS_sendto+0x1c7/0x2c0 [ 1464.267890] ? SyS_getpeername+0x220/0x220 [ 1464.272129] ? lock_downgrade+0x740/0x740 [ 1464.276294] ? wait_for_completion_io+0x10/0x10 22:20:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(0x0, r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) [ 1464.280972] ? vfs_write+0x319/0x4d0 [ 1464.284699] ? fput_many+0xe/0x140 [ 1464.288252] ? SyS_write+0x14d/0x210 [ 1464.291971] ? SyS_read+0x210/0x210 [ 1464.295607] ? __do_page_fault+0x159/0xad0 [ 1464.299850] ? do_syscall_64+0x4c/0x640 [ 1464.303830] ? SyS_getpeername+0x220/0x220 [ 1464.308070] do_syscall_64+0x1d5/0x640 [ 1464.311971] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1464.317157] RIP: 0033:0x7fe6219f412c [ 1464.320868] RSP: 002b:00007fe61ffb3000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c 22:20:32 executing program 1: r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000005c0)={r0, 0x58, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) r2 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r0, 0xc018937c, &(0x7f0000000680)={{0x1, 0x1, 0x18, r0, {0x2}}, './file0\x00'}) (async) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r4, 0x113, 0x2, 0x0, 0x0) (async) r5 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r5, 0x113, 0x2, 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f00000006c0)={{0x1, 0x1, 0x18, r0, {r0}}, './file0\x00'}) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000740)={0x6, 0x4, &(0x7f00000004c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x80000000, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0x1, 0x0, 0xad3b11828410b2b4, 0x9, 0xfffffffffffffffe, 0xfffffffffffffffc}, @jmp={0x5, 0x1, 0x8, 0x6, 0x2, 0xfffffffffffffff0}], &(0x7f0000000500)='GPL\x00', 0x2, 0x0, 0x0, 0x40f00, 0x18, '\x00', r1, 0x25, r2, 0x8, &(0x7f0000000600)={0x6, 0x2}, 0x8, 0x10, &(0x7f0000000640)={0x0, 0xb, 0x9f, 0x1}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000700)=[r3, r4, r0, r5, r0, r6]}, 0x80) (async) syz_init_net_socket$rose(0xb, 0x5, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$audion(&(0x7f0000000000), 0x0, 0x0) (async) syz_open_dev$audion(&(0x7f0000000000), 0x0, 0x0) socket$rds(0x15, 0x5, 0x0) pselect6(0x40, &(0x7f00000003c0), &(0x7f0000000400)={0x80}, 0x0, 0x0, 0x0) (async) pselect6(0x40, &(0x7f00000002c0)={0x2d36, 0xad, 0x1, 0x400, 0x2, 0x7fffffffffffffff, 0x5, 0x5}, &(0x7f0000000300)={0xff, 0xa0, 0x5b24e1f5, 0x3, 0x8, 0x83b4, 0x3, 0x7}, &(0x7f0000000340)={0x3ff, 0x1, 0x6, 0x4, 0x4, 0x7, 0xffff, 0x8}, &(0x7f0000000380), &(0x7f0000000480)={&(0x7f0000000440)={[0x2]}, 0x8}) accept$phonet_pipe(r0, 0x0, &(0x7f0000000000)) (async) pselect6(0xfffffffffffffcf7, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) ioctl$VIDIOC_SUBDEV_G_FMT(r0, 0xc0585604, &(0x7f0000000040)={0x0, 0x0, {0x0, 0x7ff, 0x1007, 0x2, 0x0, 0x3, 0x1, 0x6}}) r7 = syz_open_dev$video4linux(&(0x7f0000000140), 0x0, 0x0) ioctl$VIDIOC_G_SLICED_VBI_CAP(r7, 0xc0745645, 0x0) ioctl$VIDIOC_G_SLICED_VBI_CAP(r7, 0xc0745645, &(0x7f0000000240)={0x8, [0x5, 0x101, 0x101, 0xec41, 0x2, 0xff, 0x1f, 0x6, 0x6, 0x100, 0x80, 0x8001, 0x45, 0x28, 0x6, 0x9, 0x7f, 0x2, 0x1, 0x9, 0x7, 0xdb, 0x1, 0x6, 0x7c, 0x3, 0x8001, 0xb6, 0x3, 0x40, 0x5, 0x8001, 0x1f, 0x2, 0x3ff, 0xd8f8, 0x9, 0x1, 0x8, 0x4, 0x8001, 0x8000, 0x0, 0x3, 0x9, 0x9, 0x8000, 0x2f], 0xc}) (async) r8 = syz_open_dev$video4linux(&(0x7f0000000140), 0x0, 0x0) ioctl$VIDIOC_G_SLICED_VBI_CAP(r8, 0xc0745645, 0x0) (async) r9 = syz_open_dev$swradio(&(0x7f0000000180), 0x0, 0x2) getsockopt$PNPIPE_ENCAP(r0, 0x113, 0x1, &(0x7f00000001c0), &(0x7f0000000200)=0x4) (async) ioctl$VIDIOC_S_JPEGCOMP(r9, 0x408c563e, &(0x7f00000000c0)={0x2, 0x7, 0x3, "6e88fca3d0436daca1bfd563bf60800800ea5400fa717310a5fe20787cbb125bc836dde5ad7588aa6f9b1b00000000000002000000122500", 0x5, "470b2cb803fa72c8e6c2b63f36fff54bb2a2ebb7ef378560bc6fdf361e42f7c69d9e41a2de4a3d028423ebbecb5d8ec62f13b1e85d94972bafd73f9b", 0xb0}) 22:20:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(0x0, r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x28}}, 0x0) 22:20:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) 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$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x30, r3, 0x2, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x20}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x24040051}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000240)={0x20, r6, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x4002080) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)={0x50, r6, 0x5, 0x70bd27, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '$,'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}]}, 0x50}}, 0x0) 22:20:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$swradio(&(0x7f0000000080), 0x0, 0x2) (async) r2 = syz_open_dev$swradio(&(0x7f0000000080), 0x0, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f0000000180)={0x0, 0x0, 0x1, {0xb}}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000011", @ANYRES16=r3, @ANYBLOB="010000000000fedbdf2502000000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000429bd7000ffdbdf6507000000080004003a0004000300000000233a5e00e4cd0c53392622bb7a85a19d661732e6006ce854b5e5c201e65bd90ac51fb2bf3afbeaf3e6169455ff4a2e50b8f271019365ad0481a1e705005f2ce6479795505f4a6c2a61a8e6cd4807381479415f77631eaeb186001d46abd4aaa0308f6f2b141ad5bd09fb6067919f7125e7ad7580e1b692ce9a6f7a"], 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x40040) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000140), 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0x2c, 0x0, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4000) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000140), 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0x2c, 0x0, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4000) [ 1464.328583] RAX: ffffffffffffffda RBX: 00007fe61ffb30f0 RCX: 00007fe6219f412c [ 1464.335876] RDX: 0000000000000024 RSI: 00007fe61ffb3140 RDI: 0000000000000005 [ 1464.343268] RBP: 0000000000000000 R08: 00007fe61ffb3054 R09: 000000000000000c [ 1464.350541] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe61ffb30a8 [ 1464.357816] R13: 00007fe61ffb3140 R14: 0000000000000005 R15: 0000000000000000 22:20:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (fail_nth: 5) 22:20:32 executing program 1: r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) (async) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f00000005c0)={r0, 0x58, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0}}, 0x10) r2 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r2, 0x113, 0x2, 0x0, 0x0) (async, rerun: 32) ioctl$AUTOFS_DEV_IOCTL_EXPIRE(r0, 0xc018937c, &(0x7f0000000680)={{0x1, 0x1, 0x18, r0, {0x2}}, './file0\x00'}) (rerun: 32) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r4, 0x113, 0x2, 0x0, 0x0) (async) r5 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r5, 0x113, 0x2, 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(r0, 0xc0189378, &(0x7f00000006c0)={{0x1, 0x1, 0x18, r0, {r0}}, './file0\x00'}) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000740)={0x6, 0x4, &(0x7f00000004c0)=@raw=[@initr0={0x18, 0x0, 0x0, 0x0, 0x80000000, 0x0, 0x0, 0x0, 0x5}, @jmp={0x5, 0x1, 0x0, 0xad3b11828410b2b4, 0x9, 0xfffffffffffffffe, 0xfffffffffffffffc}, @jmp={0x5, 0x1, 0x8, 0x6, 0x2, 0xfffffffffffffff0}], &(0x7f0000000500)='GPL\x00', 0x2, 0x0, 0x0, 0x40f00, 0x18, '\x00', r1, 0x25, r2, 0x8, &(0x7f0000000600)={0x6, 0x2}, 0x8, 0x10, &(0x7f0000000640)={0x0, 0xb, 0x9f, 0x1}, 0x10, 0x0, 0x0, 0x0, &(0x7f0000000700)=[r3, r4, r0, r5, r0, r6]}, 0x80) (async, rerun: 32) syz_init_net_socket$rose(0xb, 0x5, 0x0) (rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$audion(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$audion(&(0x7f0000000000), 0x0, 0x0) socket$rds(0x15, 0x5, 0x0) (async, rerun: 32) pselect6(0x40, &(0x7f00000003c0), &(0x7f0000000400)={0x80}, 0x0, 0x0, 0x0) (rerun: 32) pselect6(0x40, &(0x7f00000002c0)={0x2d36, 0xad, 0x1, 0x400, 0x2, 0x7fffffffffffffff, 0x5, 0x5}, &(0x7f0000000300)={0xff, 0xa0, 0x5b24e1f5, 0x3, 0x8, 0x83b4, 0x3, 0x7}, &(0x7f0000000340)={0x3ff, 0x1, 0x6, 0x4, 0x4, 0x7, 0xffff, 0x8}, &(0x7f0000000380), &(0x7f0000000480)={&(0x7f0000000440)={[0x2]}, 0x8}) accept$phonet_pipe(r0, 0x0, &(0x7f0000000000)) (async) pselect6(0xfffffffffffffcf7, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) ioctl$VIDIOC_SUBDEV_G_FMT(r0, 0xc0585604, &(0x7f0000000040)={0x0, 0x0, {0x0, 0x7ff, 0x1007, 0x2, 0x0, 0x3, 0x1, 0x6}}) (async, rerun: 64) r7 = syz_open_dev$video4linux(&(0x7f0000000140), 0x0, 0x0) (rerun: 64) ioctl$VIDIOC_G_SLICED_VBI_CAP(r7, 0xc0745645, 0x0) ioctl$VIDIOC_G_SLICED_VBI_CAP(r7, 0xc0745645, &(0x7f0000000240)={0x8, [0x5, 0x101, 0x101, 0xec41, 0x2, 0xff, 0x1f, 0x6, 0x6, 0x100, 0x80, 0x8001, 0x45, 0x28, 0x6, 0x9, 0x7f, 0x2, 0x1, 0x9, 0x7, 0xdb, 0x1, 0x6, 0x7c, 0x3, 0x8001, 0xb6, 0x3, 0x40, 0x5, 0x8001, 0x1f, 0x2, 0x3ff, 0xd8f8, 0x9, 0x1, 0x8, 0x4, 0x8001, 0x8000, 0x0, 0x3, 0x9, 0x9, 0x8000, 0x2f], 0xc}) r8 = syz_open_dev$video4linux(&(0x7f0000000140), 0x0, 0x0) ioctl$VIDIOC_G_SLICED_VBI_CAP(r8, 0xc0745645, 0x0) r9 = syz_open_dev$swradio(&(0x7f0000000180), 0x0, 0x2) getsockopt$PNPIPE_ENCAP(r0, 0x113, 0x1, &(0x7f00000001c0), &(0x7f0000000200)=0x4) (async, rerun: 32) ioctl$VIDIOC_S_JPEGCOMP(r9, 0x408c563e, &(0x7f00000000c0)={0x2, 0x7, 0x3, "6e88fca3d0436daca1bfd563bf60800800ea5400fa717310a5fe20787cbb125bc836dde5ad7588aa6f9b1b00000000000002000000122500", 0x5, "470b2cb803fa72c8e6c2b63f36fff54bb2a2ebb7ef378560bc6fdf361e42f7c69d9e41a2de4a3d028423ebbecb5d8ec62f13b1e85d94972bafd73f9b", 0xb0}) (rerun: 32) 22:20:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYBLOB="c5010000", @ANYRES16=r1, @ANYBLOB="01000000000000000000040000001400060070696d72656731000000000000000000"], 0x28}}, 0x0) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={0xffffffffffffffff, 0x58}, 0x10) [ 1464.494458] FAULT_INJECTION: forcing a failure. [ 1464.494458] name failslab, interval 1, probability 0, space 0, times 0 [ 1464.550576] CPU: 0 PID: 3858 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0 [ 1464.558407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1464.567850] Call Trace: [ 1464.570470] dump_stack+0x1b2/0x281 [ 1464.574114] should_fail.cold+0x10a/0x149 [ 1464.578280] should_failslab+0xd6/0x130 [ 1464.582273] kmem_cache_alloc_node_trace+0x58/0x400 [ 1464.587306] __kmalloc_node_track_caller+0x38/0x70 [ 1464.592257] pskb_expand_head+0x128/0xd30 [ 1464.596425] ? nla_put+0xeb/0x120 [ 1464.599891] netlink_trim+0x1ae/0x220 [ 1464.603698] netlink_unicast+0x94/0x610 [ 1464.607679] ? genlmsg_put+0x2c0/0x2c0 [ 1464.611574] ? netlink_sendskb+0xd0/0xd0 [ 1464.615655] ? __alloc_skb+0x3dc/0x510 [ 1464.619562] ctrl_getfamily+0x3de/0x530 [ 1464.623545] ? genl_unregister_family+0x630/0x630 [ 1464.628402] genl_family_rcv_msg+0x572/0xb20 [ 1464.632821] ? genl_rcv+0x40/0x40 [ 1464.636282] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1464.641745] ? __kmalloc_node_track_caller+0x4c/0x70 [ 1464.646859] ? trace_hardirqs_on+0x10/0x10 22:20:32 executing program 1: pselect6(0xffffffffffffff7a, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:32 executing program 1: pselect6(0xffffffffffffff7a, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 1464.651116] genl_rcv_msg+0xaf/0x140 [ 1464.654847] netlink_rcv_skb+0x125/0x390 [ 1464.658919] ? genl_family_rcv_msg+0xb20/0xb20 [ 1464.663516] ? netlink_ack+0x9a0/0x9a0 [ 1464.667416] ? lock_acquire+0x170/0x3f0 [ 1464.671494] genl_rcv+0x24/0x40 [ 1464.674830] netlink_unicast+0x437/0x610 [ 1464.678918] ? netlink_sendskb+0xd0/0xd0 [ 1464.682997] ? __check_object_size+0x179/0x230 [ 1464.687616] netlink_sendmsg+0x651/0xbc0 [ 1464.691722] ? nlmsg_notify+0x1b0/0x1b0 [ 1464.695707] ? security_socket_sendmsg+0x83/0xb0 22:20:32 executing program 1: pselect6(0xffffffffffffff7a, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) pselect6(0xffffffffffffff7a, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) 22:20:32 executing program 1: r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) getsockopt$bt_l2cap_L2CAP_LM(r0, 0x6, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) [ 1464.700465] ? nlmsg_notify+0x1b0/0x1b0 [ 1464.704448] sock_sendmsg+0xb5/0x100 [ 1464.708168] SyS_sendto+0x1c7/0x2c0 [ 1464.711814] ? SyS_getpeername+0x220/0x220 [ 1464.716062] ? lock_downgrade+0x740/0x740 [ 1464.720235] ? wait_for_completion_io+0x10/0x10 [ 1464.724909] ? vfs_write+0x319/0x4d0 [ 1464.728664] ? fput_many+0xe/0x140 [ 1464.732216] ? SyS_write+0x14d/0x210 [ 1464.735931] ? SyS_read+0x210/0x210 [ 1464.739568] ? __do_page_fault+0x159/0xad0 [ 1464.743820] ? do_syscall_64+0x4c/0x640 22:20:32 executing program 1: r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) (async) getsockopt$bt_l2cap_L2CAP_LM(r0, 0x6, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) 22:20:32 executing program 1: syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) (async) r0 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r0, 0x113, 0x2, 0x0, 0x0) getsockopt$bt_l2cap_L2CAP_LM(r0, 0x6, 0x3, &(0x7f0000000000), &(0x7f0000000040)=0x4) [ 1464.747815] ? SyS_getpeername+0x220/0x220 [ 1464.752058] do_syscall_64+0x1d5/0x640 [ 1464.755959] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1464.761154] RIP: 0033:0x7fe6219f412c [ 1464.764866] RSP: 002b:00007fe61ffb3000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 1464.772586] RAX: ffffffffffffffda RBX: 00007fe61ffb30f0 RCX: 00007fe6219f412c [ 1464.779873] RDX: 0000000000000024 RSI: 00007fe61ffb3140 RDI: 0000000000000005 [ 1464.787142] RBP: 0000000000000000 R08: 00007fe61ffb3054 R09: 000000000000000c [ 1464.794414] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe61ffb30a8 [ 1464.801680] R13: 00007fe61ffb3140 R14: 0000000000000005 R15: 0000000000000000 22:20:32 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x30, r3, 0x2, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x20}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x24040051}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r4) (rerun: 32) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000240)={0x20, r6, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x4002080) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)={0x50, r6, 0x5, 0x70bd27, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '$,'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}]}, 0x50}}, 0x0) 22:20:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYBLOB="c5010000", @ANYRES16=r1, @ANYBLOB="01000000000000000000040000001400060070696d72656731000000000000000000"], 0x28}}, 0x0) (async) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={0xffffffffffffffff, 0x58}, 0x10) 22:20:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:32 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 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$netlbl_mgmt(&(0x7f0000000300), r1) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r2, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2088042a}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x78, r2, 0x300, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x3}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '-\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}]}, 0x78}, 0x1, 0x0, 0x0, 0x4044810}, 0x20000000) socket(0xf, 0x5, 0x200) syz_open_dev$audion(&(0x7f0000000180), 0x0, 0x8000) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfffffeff}}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, 0x0, 0x20, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}]}, 0x38}, 0x1, 0x0, 0x0, 0x48081}, 0x41a5f2f44291547a) 22:20:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_open_dev$swradio(&(0x7f0000000080), 0x0, 0x2) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f0000000180)={0x0, 0x0, 0x1, {0xb}}) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000011", @ANYRES16=r3, @ANYBLOB="010000000000fedbdf2502000000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000429bd7000ffdbdf6507000000080004003a0004000300000000233a5e00e4cd0c53392622bb7a85a19d661732e6006ce854b5e5c201e65bd90ac51fb2bf3afbeaf3e6169455ff4a2e50b8f271019365ad0481a1e705005f2ce6479795505f4a6c2a61a8e6cd4807381479415f77631eaeb186001d46abd4aaa0308f6f2b141ad5bd09fb6067919f7125e7ad7580e1b692ce9a6f7a"], 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x40040) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000140), 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0x2c, 0x0, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$swradio(&(0x7f0000000080), 0x0, 0x2) (async) ioctl$VIDIOC_CREATE_BUFS(r2, 0xc100565c, &(0x7f0000000180)={0x0, 0x0, 0x1, {0xb}}) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000011", @ANYRES16=r3, @ANYBLOB="010000000000fedbdf2502000000"], 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000429bd7000ffdbdf6507000000080004003a0004000300000000233a5e00e4cd0c53392622bb7a85a19d661732e6006ce854b5e5c201e65bd90ac51fb2bf3afbeaf3e6169455ff4a2e50b8f271019365ad0481a1e705005f2ce6479795505f4a6c2a61a8e6cd4807381479415f77631eaeb186001d46abd4aaa0308f6f2b141ad5bd09fb6067919f7125e7ad7580e1b692ce9a6f7a"], 0x2c}, 0x1, 0x0, 0x0, 0x4000040}, 0x40040) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000002c0)={&(0x7f0000000140), 0xc, &(0x7f0000000280)={&(0x7f0000000180)={0x2c, 0x0, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x2c}, 0x1, 0x0, 0x0, 0x80}, 0x4000) (async) 22:20:32 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (fail_nth: 6) 22:20:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYBLOB="c5010000", @ANYRES16=r1, @ANYBLOB="01000000000000000000040000001400060070696d72656731000000000000000000"], 0x28}}, 0x0) (async) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={0xffffffffffffffff, 0x58}, 0x10) 22:20:32 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:32 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r1) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r2, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2088042a}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x78, r2, 0x300, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x3}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '-\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}]}, 0x78}, 0x1, 0x0, 0x0, 0x4044810}, 0x20000000) (async) socket(0xf, 0x5, 0x200) syz_open_dev$audion(&(0x7f0000000180), 0x0, 0x8000) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, 0x0, 0x0) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfffffeff}}, './file0\x00'}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, 0x0, 0x20, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}]}, 0x38}, 0x1, 0x0, 0x0, 0x48081}, 0x41a5f2f44291547a) [ 1464.960309] FAULT_INJECTION: forcing a failure. [ 1464.960309] name failslab, interval 1, probability 0, space 0, times 0 22:20:32 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f00000006c0)={0x14}, 0x14}}, 0x40000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000300), r2) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r3, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) ioctl$VIDIOC_S_JPEGCOMP(0xffffffffffffffff, 0x408c563e, &(0x7f0000000480)={0x7f, 0xa, 0x2e, "cba5c93537f08586d6dabd15271daeb533cbddb6f984bd445e24720dc9d381eb4396668a5ef9056eaa1fb3c2774d860f927914b156e2f23301d94fa9", 0x2e, "1aff1fda3f707649791967fc220094af03e0b7191ab486955cea60f4c8909fe5b00a9b2ded8cdaf598b54d21a21c61f551b8480a53e40680fafb5716", 0x50}) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r3, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x2c}}, 0x91) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000280), r4) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r5, &(0x7f0000000440)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000002c0)={&(0x7f0000000340)={0xdc, r6, 0x300, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:printer_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:dhcpd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'nr0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x31, 0x7, 'system_u:object_r:systemd_tmpfiles_exec_t:s0\x00'}]}, 0xdc}, 0x1, 0x0, 0x0, 0x4084}, 0x1) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000580), r7) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000600)={&(0x7f00000005c0)={0x24, r8, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}]}, 0x24}, 0x1, 0x0, 0x0, 0x800}, 0x40000) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r9, @ANYBLOB="0100000000000400000000000000"], 0x14}}, 0x0) 22:20:32 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r1, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008881}, 0x8c0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x28}}, 0x0) [ 1465.051134] CPU: 0 PID: 3916 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0 [ 1465.059061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1465.068424] Call Trace: [ 1465.071034] dump_stack+0x1b2/0x281 [ 1465.074674] should_fail.cold+0x10a/0x149 [ 1465.078835] should_failslab+0xd6/0x130 [ 1465.082845] kmem_cache_alloc_node+0x263/0x410 [ 1465.087453] __alloc_skb+0x5c/0x510 [ 1465.091089] netlink_ack+0x216/0x9a0 [ 1465.094814] ? netlink_sendmsg+0xbc0/0xbc0 22:20:33 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 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$netlbl_mgmt(&(0x7f0000000300), r1) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r2, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2088042a}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x78, r2, 0x300, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x3}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '-\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}]}, 0x78}, 0x1, 0x0, 0x0, 0x4044810}, 0x20000000) socket(0xf, 0x5, 0x200) (async) syz_open_dev$audion(&(0x7f0000000180), 0x0, 0x8000) (async) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, 0x0, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(0xffffffffffffffff, 0xc0189372, &(0x7f00000001c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfffffeff}}, './file0\x00'}) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f00000002c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x38, 0x0, 0x20, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x400}]}, 0x38}, 0x1, 0x0, 0x0, 0x48081}, 0x41a5f2f44291547a) (rerun: 64) [ 1465.099061] netlink_rcv_skb+0x2c5/0x390 [ 1465.103129] ? genl_family_rcv_msg+0xb20/0xb20 [ 1465.107722] ? netlink_ack+0x9a0/0x9a0 [ 1465.111617] ? lock_acquire+0x170/0x3f0 [ 1465.115647] genl_rcv+0x24/0x40 [ 1465.118932] netlink_unicast+0x437/0x610 [ 1465.123007] ? netlink_sendskb+0xd0/0xd0 [ 1465.127078] ? __check_object_size+0x179/0x230 [ 1465.131672] netlink_sendmsg+0x651/0xbc0 [ 1465.135743] ? nlmsg_notify+0x1b0/0x1b0 [ 1465.139746] ? security_socket_sendmsg+0x83/0xb0 [ 1465.144505] ? nlmsg_notify+0x1b0/0x1b0 [ 1465.148486] sock_sendmsg+0xb5/0x100 [ 1465.152206] SyS_sendto+0x1c7/0x2c0 [ 1465.155841] ? SyS_getpeername+0x220/0x220 [ 1465.160082] ? lock_downgrade+0x740/0x740 [ 1465.164266] ? wait_for_completion_io+0x10/0x10 [ 1465.168946] ? vfs_write+0x319/0x4d0 [ 1465.172672] ? fput_many+0xe/0x140 [ 1465.176220] ? SyS_write+0x14d/0x210 [ 1465.179939] ? SyS_read+0x210/0x210 [ 1465.183575] ? __do_page_fault+0x159/0xad0 [ 1465.187813] ? do_syscall_64+0x4c/0x640 [ 1465.191793] ? SyS_getpeername+0x220/0x220 [ 1465.196023] do_syscall_64+0x1d5/0x640 [ 1465.199922] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1465.205121] RIP: 0033:0x7fe6219f412c [ 1465.208821] RSP: 002b:00007fe61ffb3000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 1465.216516] RAX: ffffffffffffffda RBX: 00007fe61ffb30f0 RCX: 00007fe6219f412c [ 1465.223773] RDX: 0000000000000024 RSI: 00007fe61ffb3140 RDI: 0000000000000005 [ 1465.231039] RBP: 0000000000000000 R08: 00007fe61ffb3054 R09: 000000000000000c [ 1465.238297] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe61ffb30a8 22:20:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x30, r3, 0x2, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x20}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x24040051}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000240)={0x20, r6, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x4002080) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)={0x50, r6, 0x5, 0x70bd27, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '$,'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}]}, 0x50}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (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$netlbl_unlabel(&(0x7f0000000340), r2) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r2, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x30, r3, 0x2, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x20}}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x24040051}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r4) (async) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000240)={0x20, r6, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x4002080) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)={0x50, r6, 0x5, 0x70bd27, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x40}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, '$,'}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8001}]}, 0x50}}, 0x0) (async) 22:20:33 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NLBL_UNLABEL_C_STATICLIST(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r1, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008881}, 0x8c0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x28}}, 0x0) [ 1465.245552] R13: 00007fe61ffb3140 R14: 0000000000000005 R15: 0000000000000000 22:20:33 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:33 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (fail_nth: 7) 22:20:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f00000006c0)={0x14}, 0x14}}, 0x40000) (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$netlbl_mgmt(&(0x7f0000000300), r2) (async) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r3, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) ioctl$VIDIOC_S_JPEGCOMP(0xffffffffffffffff, 0x408c563e, &(0x7f0000000480)={0x7f, 0xa, 0x2e, "cba5c93537f08586d6dabd15271daeb533cbddb6f984bd445e24720dc9d381eb4396668a5ef9056eaa1fb3c2774d860f927914b156e2f23301d94fa9", 0x2e, "1aff1fda3f707649791967fc220094af03e0b7191ab486955cea60f4c8909fe5b00a9b2ded8cdaf598b54d21a21c61f551b8480a53e40680fafb5716", 0x50}) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r3, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x2c}}, 0x91) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) (async) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000280), r4) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r5, &(0x7f0000000440)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000002c0)={&(0x7f0000000340)={0xdc, r6, 0x300, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:printer_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:dhcpd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'nr0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x31, 0x7, 'system_u:object_r:systemd_tmpfiles_exec_t:s0\x00'}]}, 0xdc}, 0x1, 0x0, 0x0, 0x4084}, 0x1) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000580), r7) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000600)={&(0x7f00000005c0)={0x24, r8, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}]}, 0x24}, 0x1, 0x0, 0x0, 0x800}, 0x40000) (async) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r9, @ANYBLOB="0100000000000400000000000000"], 0x14}}, 0x0) 22:20:33 executing program 1: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) 22:20:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000002010000000c000200000000000000000004000780"], 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000240)={0x84, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3f}}, @NLBL_UNLABEL_A_SECCTX={0x6, 0x7, 'system_u:object_r:scsi_generic_device_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team_slave_0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x84}}, 0x4005080) 22:20:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICLIST(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r1, 0x300, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @local}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4008881}, 0x8c0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x28}}, 0x0) 22:20:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:33 executing program 1: pselect6(0xffffff3f, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = epoll_create1(0x0) clock_gettime(0x6, &(0x7f00000000c0)) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, 0xffffffffffffffff, &(0x7f0000000000)) epoll_pwait(r0, &(0x7f0000000000)=[{}, {}, {}, {}], 0x4, 0x7, &(0x7f0000000040)={[0x1f]}, 0x8) r2 = syz_open_dev$audion(&(0x7f0000000100), 0x2, 0x240501) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r1, 0xc0189372, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {0x4af0}}, './file0\x00'}) epoll_ctl$EPOLL_CTL_MOD(r3, 0x3, r2, &(0x7f0000000180)) 22:20:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000002010000000c000200000000000000000004000780"], 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICLIST(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000240)={0x84, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3f}}, @NLBL_UNLABEL_A_SECCTX={0x6, 0x7, 'system_u:object_r:scsi_generic_device_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team_slave_0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x84}}, 0x4005080) [ 1465.464654] FAULT_INJECTION: forcing a failure. [ 1465.464654] name failslab, interval 1, probability 0, space 0, times 0 [ 1465.536051] CPU: 0 PID: 3987 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0 [ 1465.543880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1465.553243] Call Trace: [ 1465.555839] dump_stack+0x1b2/0x281 [ 1465.559481] should_fail.cold+0x10a/0x149 [ 1465.563640] should_failslab+0xd6/0x130 [ 1465.567627] kmem_cache_alloc_node_trace+0x25a/0x400 [ 1465.572750] __kmalloc_node_track_caller+0x38/0x70 [ 1465.577689] __alloc_skb+0x96/0x510 [ 1465.581326] netlink_ack+0x216/0x9a0 [ 1465.585048] ? netlink_sendmsg+0xbc0/0xbc0 [ 1465.589294] netlink_rcv_skb+0x2c5/0x390 [ 1465.593361] ? genl_family_rcv_msg+0xb20/0xb20 [ 1465.597948] ? netlink_ack+0x9a0/0x9a0 [ 1465.601841] ? lock_acquire+0x170/0x3f0 [ 1465.605834] genl_rcv+0x24/0x40 [ 1465.609112] netlink_unicast+0x437/0x610 [ 1465.613181] ? netlink_sendskb+0xd0/0xd0 [ 1465.617244] ? __check_object_size+0x179/0x230 [ 1465.621828] netlink_sendmsg+0x651/0xbc0 [ 1465.625900] ? nlmsg_notify+0x1b0/0x1b0 [ 1465.629881] ? security_socket_sendmsg+0x83/0xb0 22:20:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x5}}, './file0\x00'}) r7 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r7, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x80, r5, 0x800, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x80}, 0x1, 0x0, 0x0, 0x8844}, 0x40) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x14, r2, 0x200, 0xfffffffe, 0x1}, 0x14}}, 0x0) [ 1465.634638] ? nlmsg_notify+0x1b0/0x1b0 [ 1465.638622] sock_sendmsg+0xb5/0x100 [ 1465.642348] SyS_sendto+0x1c7/0x2c0 [ 1465.645981] ? SyS_getpeername+0x220/0x220 [ 1465.650224] ? lock_downgrade+0x740/0x740 [ 1465.654390] ? wait_for_completion_io+0x10/0x10 [ 1465.659065] ? vfs_write+0x319/0x4d0 [ 1465.662799] ? fput_many+0xe/0x140 [ 1465.666345] ? SyS_write+0x14d/0x210 [ 1465.670064] ? SyS_read+0x210/0x210 [ 1465.673700] ? __do_page_fault+0x159/0xad0 [ 1465.677937] ? do_syscall_64+0x4c/0x640 [ 1465.681912] ? SyS_getpeername+0x220/0x220 22:20:33 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x5}}, './file0\x00'}) r7 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r7, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x80, r5, 0x800, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x80}, 0x1, 0x0, 0x0, 0x8844}, 0x40) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x14, r2, 0x200, 0xfffffffe, 0x1}, 0x14}}, 0x0) [ 1465.686151] do_syscall_64+0x1d5/0x640 [ 1465.690165] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1465.695359] RIP: 0033:0x7fe6219f412c [ 1465.699082] RSP: 002b:00007fe61ffb3000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c [ 1465.706796] RAX: ffffffffffffffda RBX: 00007fe61ffb30f0 RCX: 00007fe6219f412c [ 1465.714069] RDX: 0000000000000024 RSI: 00007fe61ffb3140 RDI: 0000000000000005 [ 1465.721358] RBP: 0000000000000000 R08: 00007fe61ffb3054 R09: 000000000000000c [ 1465.728725] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe61ffb30a8 22:20:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x4040000) 22:20:33 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (fail_nth: 8) 22:20:33 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000002010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICLIST(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000240)={0x84, 0x0, 0x8, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x3f}}, @NLBL_UNLABEL_A_SECCTX={0x6, 0x7, 'system_u:object_r:scsi_generic_device_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'team_slave_0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @multicast2}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast1}]}, 0x84}}, 0x4005080) [ 1465.735984] R13: 00007fe61ffb3140 R14: 0000000000000005 R15: 0000000000000000 22:20:33 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f00000006c0)={0x14}, 0x14}}, 0x40000) (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$netlbl_mgmt(&(0x7f0000000300), r2) (async) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000a00), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000b00)={&(0x7f00000009c0)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000ac0)={&(0x7f0000000a40)={0x70, r3, 0x400, 0x0, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '#!()#\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '\xff\xff'}]}, 0x70}}, 0x0) (async) ioctl$VIDIOC_S_JPEGCOMP(0xffffffffffffffff, 0x408c563e, &(0x7f0000000480)={0x7f, 0xa, 0x2e, "cba5c93537f08586d6dabd15271daeb533cbddb6f984bd445e24720dc9d381eb4396668a5ef9056eaa1fb3c2774d860f927914b156e2f23301d94fa9", 0x2e, "1aff1fda3f707649791967fc220094af03e0b7191ab486955cea60f4c8909fe5b00a9b2ded8cdaf598b54d21a21c61f551b8480a53e40680fafb5716", 0x50}) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r3, 0x10, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x2c}}, 0x91) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r5) (async) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r6 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000280), r4) sendmsg$NLBL_UNLABEL_C_STATICLISTDEF(r5, &(0x7f0000000440)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000002c0)={&(0x7f0000000340)={0xdc, r6, 0x300, 0x70bd27, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010102}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @multicast2}, @NLBL_UNLABEL_A_SECCTX={0x2a, 0x7, 'system_u:object_r:printer_device_t:s0\x00'}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg\x00'}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:dhcpd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'nr0\x00'}, @NLBL_UNLABEL_A_SECCTX={0x31, 0x7, 'system_u:object_r:systemd_tmpfiles_exec_t:s0\x00'}]}, 0xdc}, 0x1, 0x0, 0x0, 0x4084}, 0x1) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000580), r7) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000640)={&(0x7f0000000540)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000600)={&(0x7f00000005c0)={0x24, r8, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}]}, 0x24}, 0x1, 0x0, 0x0, 0x800}, 0x40000) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r4) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=r9, @ANYBLOB="0100000000000400000000000000"], 0x14}}, 0x0) 22:20:33 executing program 1: pselect6(0xffffff3f, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) epoll_create1(0x0) (async) r0 = epoll_create1(0x0) clock_gettime(0x6, &(0x7f00000000c0)) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) (async) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, 0xffffffffffffffff, &(0x7f0000000000)) epoll_pwait(r0, &(0x7f0000000000)=[{}, {}, {}, {}], 0x4, 0x7, &(0x7f0000000040)={[0x1f]}, 0x8) (async) epoll_pwait(r0, &(0x7f0000000000)=[{}, {}, {}, {}], 0x4, 0x7, &(0x7f0000000040)={[0x1f]}, 0x8) r2 = syz_open_dev$audion(&(0x7f0000000100), 0x2, 0x240501) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r1, 0xc0189372, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {0x4af0}}, './file0\x00'}) epoll_ctl$EPOLL_CTL_MOD(r3, 0x3, r2, &(0x7f0000000180)) 22:20:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x4040000) 22:20:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r1) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r1, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r2, 0x1}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000080)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x5}}, './file0\x00'}) (async) r7 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r7, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_STATUS(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x80, r5, 0x800, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x108}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r7}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000001}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffff8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x80}, 0x1, 0x0, 0x0, 0x8844}, 0x40) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x14, r2, 0x200, 0xfffffffe, 0x1}, 0x14}}, 0x0) 22:20:33 executing program 5: 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) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="240000dc", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 22:20:33 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, 0x0, 0x4040000) 22:20:33 executing program 1: pselect6(0xffffff3f, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) r0 = epoll_create1(0x0) clock_gettime(0x6, &(0x7f00000000c0)) (async) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) (async) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, 0xffffffffffffffff, &(0x7f0000000000)) (async) epoll_pwait(r0, &(0x7f0000000000)=[{}, {}, {}, {}], 0x4, 0x7, &(0x7f0000000040)={[0x1f]}, 0x8) r2 = syz_open_dev$audion(&(0x7f0000000100), 0x2, 0x240501) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOVER(r1, 0xc0189372, &(0x7f0000000140)={{0x1, 0x1, 0x18, r0, {0x4af0}}, './file0\x00'}) epoll_ctl$EPOLL_CTL_MOD(r3, 0x3, r2, &(0x7f0000000180)) 22:20:33 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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="0100000000000000000002000000"], 0x14}}, 0x0) [ 1465.893281] FAULT_INJECTION: forcing a failure. [ 1465.893281] name failslab, interval 1, probability 0, space 0, times 0 [ 1465.974366] CPU: 1 PID: 4026 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0 [ 1465.982200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1465.991584] Call Trace: [ 1465.994189] dump_stack+0x1b2/0x281 [ 1465.997845] should_fail.cold+0x10a/0x149 [ 1466.001995] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1466.007456] should_failslab+0xd6/0x130 [ 1466.011451] kmem_cache_alloc_node+0x54/0x410 [ 1466.015954] __alloc_skb+0x5c/0x510 [ 1466.019587] netlink_dump+0x19d/0xb90 [ 1466.023406] ? consume_skb+0xed/0x380 [ 1466.027232] netlink_recvmsg+0x9cd/0xce0 [ 1466.031311] ? netlink_dump+0xb90/0xb90 [ 1466.035290] ? __fget+0x265/0x3e0 [ 1466.038761] ? security_socket_recvmsg+0x8b/0xc0 [ 1466.043553] SyS_recvfrom+0x21b/0x340 [ 1466.047454] ? SyS_send+0x40/0x40 [ 1466.050917] ? lock_downgrade+0x740/0x740 [ 1466.055085] ? wait_for_completion_io+0x10/0x10 [ 1466.059761] ? vfs_write+0x319/0x4d0 [ 1466.063481] ? fput_many+0xe/0x140 [ 1466.067028] ? SyS_write+0x14d/0x210 [ 1466.070748] ? SyS_read+0x210/0x210 22:20:33 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x2404c000}, 0x4850) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x20, r6, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x400c008) 22:20:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x4040000) [ 1466.074378] ? __do_page_fault+0x159/0xad0 [ 1466.078643] ? do_syscall_64+0x4c/0x640 [ 1466.082624] ? SyS_send+0x40/0x40 [ 1466.086091] do_syscall_64+0x1d5/0x640 [ 1466.089998] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1466.095191] RIP: 0033:0x7fe6219f4064 [ 1466.098907] RSP: 002b:00007fe61ffb3010 EFLAGS: 00000246 ORIG_RAX: 000000000000002d [ 1466.106622] RAX: ffffffffffffffda RBX: 00007fe61ffb30f0 RCX: 00007fe6219f4064 [ 1466.113892] RDX: 0000000000001000 RSI: 00007fe61ffb3140 RDI: 0000000000000005 [ 1466.121164] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1466.128439] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe61ffb30a8 [ 1466.135710] R13: 00007fe61ffb3140 R14: 0000000000000005 R15: 0000000000000000 22:20:34 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (fail_nth: 9) 22:20:34 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (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$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="0100000000000000000002000000"], 0x14}}, 0x0) 22:20:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$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) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="240000dc", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 22:20:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x2404c000}, 0x4850) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x20, r6, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x400c008) (rerun: 64) 22:20:34 executing program 1: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) getsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f0000000000), &(0x7f0000000040)=0xc) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x4040000) 22:20:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x4040000) 22:20:34 executing program 5: r0 = syz_init_net_socket$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$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="240000dc", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (async) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r1) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="240000dc", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) [ 1466.262997] FAULT_INJECTION: forcing a failure. [ 1466.262997] name failslab, interval 1, probability 0, space 0, times 0 22:20:34 executing program 1: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) getsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f0000000000), &(0x7f0000000040)=0xc) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)=ANY=[@ANYBLOB, @ANYRES16=r2, @ANYBLOB="0100000000000000000002000000"], 0x14}}, 0x0) 22:20:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x2404c000}, 0x4850) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)={0x14, r1, 0x1}, 0x14}, 0x1, 0x0, 0x0, 0x2404c000}, 0x4850) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r4) (async) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r4) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r6, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x20, r6, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xffffffff}]}, 0x20}, 0x1, 0x0, 0x0, 0x8000}, 0x400c008) [ 1466.360984] CPU: 1 PID: 4068 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0 [ 1466.368960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1466.378322] Call Trace: [ 1466.380918] dump_stack+0x1b2/0x281 [ 1466.384559] should_fail.cold+0x10a/0x149 [ 1466.388725] should_failslab+0xd6/0x130 [ 1466.392715] kmem_cache_alloc_node_trace+0x58/0x400 [ 1466.397743] __kmalloc_node_track_caller+0x38/0x70 [ 1466.402678] __alloc_skb+0x96/0x510 [ 1466.406308] netlink_dump+0x19d/0xb90 [ 1466.410110] ? consume_skb+0xed/0x380 [ 1466.413937] netlink_recvmsg+0x9cd/0xce0 [ 1466.418007] ? netlink_dump+0xb90/0xb90 [ 1466.421997] ? __fget+0x265/0x3e0 [ 1466.425466] ? security_socket_recvmsg+0x8b/0xc0 [ 1466.430249] SyS_recvfrom+0x21b/0x340 [ 1466.434080] ? SyS_send+0x40/0x40 [ 1466.437548] ? lock_downgrade+0x740/0x740 [ 1466.441714] ? wait_for_completion_io+0x10/0x10 [ 1466.446389] ? vfs_write+0x319/0x4d0 [ 1466.450123] ? fput_many+0xe/0x140 [ 1466.453668] ? SyS_write+0x14d/0x210 [ 1466.457385] ? SyS_read+0x210/0x210 22:20:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x4040000) [ 1466.461016] ? __do_page_fault+0x159/0xad0 [ 1466.465289] ? do_syscall_64+0x4c/0x640 [ 1466.469277] ? SyS_send+0x40/0x40 [ 1466.472734] do_syscall_64+0x1d5/0x640 [ 1466.476629] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1466.481818] RIP: 0033:0x7fe6219f4064 [ 1466.485528] RSP: 002b:00007fe61ffb3010 EFLAGS: 00000246 ORIG_RAX: 000000000000002d [ 1466.493247] RAX: ffffffffffffffda RBX: 00007fe61ffb30f0 RCX: 00007fe6219f4064 [ 1466.500518] RDX: 0000000000001000 RSI: 00007fe61ffb3140 RDI: 0000000000000005 22:20:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (fail_nth: 10) 22:20:34 executing program 1: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) getsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f0000000000), &(0x7f0000000040)=0xc) (async) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 1466.507783] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1466.515055] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe61ffb30a8 [ 1466.522337] R13: 00007fe61ffb3140 R14: 0000000000000005 R15: 0000000000000000 22:20:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f00000002c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000300), 0x422000, 0x0) r10 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r10, 0x113, 0x2, 0x0, 0x0) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000580), r4) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000700)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000680)={0x74, r11, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x27}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '$*{+\x00'}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004080}, 0x4004010) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000340)) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f00000008c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(r12, 0xc0189371, &(0x7f0000000900)={{0x1, 0x1, 0x18, r8}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000380)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x19e}}, './file0\x00'}) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x80, r7, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4d6}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ffffffe}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x805}, 0x3e112ad260e91a4) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000200)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x800, 0x70bd28, 0x25dfdbf9}, 0x14}, 0x1, 0x0, 0x0, 0x24040044}, 0x800) r13 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000780), r6) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(0xffffffffffffffff, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_LIST(r5, &(0x7f0000000ac0)={&(0x7f0000000940)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000a80)={&(0x7f0000000980)={0xc8, 0x0, 0x10, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auditd_etc_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x22, 0x7, 'system_u:object_r:hwdata_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1f}}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:lirc_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4004080}, 0x20008000) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000880)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000840)={&(0x7f00000007c0)={0x44, r13, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x0) 22:20:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x4040000) 22:20:34 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0xfffffffffffffeba, r2, 0x1}, 0x14}}, 0x0) 22:20:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYBLOB='2\x00\x00\x00', @ANYRES16=r1, @ANYRES8=r0], 0x28}}, 0x0) 22:20:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0xfffffffffffffeba, r2, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0xfffffffffffffeba, r2, 0x1}, 0x14}}, 0x0) (async) 22:20:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYBLOB='2\x00\x00\x00', @ANYRES16=r1, @ANYRES8=r0], 0x28}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) (async) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYBLOB='2\x00\x00\x00', @ANYRES16=r1, @ANYRES8=r0], 0x28}}, 0x0) (async) 22:20:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f00000002c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000300), 0x422000, 0x0) (async) r10 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r10, 0x113, 0x2, 0x0, 0x0) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000580), r4) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000700)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000680)={0x74, r11, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x27}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '$*{+\x00'}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004080}, 0x4004010) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000340)) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f00000008c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(r12, 0xc0189371, &(0x7f0000000900)={{0x1, 0x1, 0x18, r8}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000380)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x19e}}, './file0\x00'}) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x80, r7, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4d6}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ffffffe}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x805}, 0x3e112ad260e91a4) (async) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000200)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x800, 0x70bd28, 0x25dfdbf9}, 0x14}, 0x1, 0x0, 0x0, 0x24040044}, 0x800) (async) r13 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000780), r6) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(0xffffffffffffffff, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_LIST(r5, &(0x7f0000000ac0)={&(0x7f0000000940)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000a80)={&(0x7f0000000980)={0xc8, 0x0, 0x10, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auditd_etc_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x22, 0x7, 'system_u:object_r:hwdata_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1f}}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:lirc_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4004080}, 0x20008000) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000880)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000840)={&(0x7f00000007c0)={0x44, r13, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x0) 22:20:34 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_gettime(0x4, &(0x7f0000000140)) r0 = syz_open_dev$vivid(&(0x7f0000000000), 0x0, 0x2) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r0, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$VIDIOC_G_OUTPUT(r1, 0x8004562e, &(0x7f0000000040)) ioctl$VIDIOC_QUERYCTRL(r1, 0xc0445624, &(0x7f00000000c0)={0x8, 0x100, "3e29d87572e00952133ea89d84daa4dad048d393f89bcb5b90b8e440bf6d3b81", 0x80, 0x8, 0x1, 0x7fff, 0x42}) 22:20:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x4040000) 22:20:34 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r4) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r5, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:updpwd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x60}, 0x1, 0x0, 0x0, 0x1}, 0x10000840) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0xfffffffffffffeba, r2, 0x1}, 0x14}}, 0x0) 22:20:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYBLOB='2\x00\x00\x00', @ANYRES16=r1, @ANYRES8=r0], 0x28}}, 0x0) 22:20:34 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_gettime(0x4, &(0x7f0000000140)) r0 = syz_open_dev$vivid(&(0x7f0000000000), 0x0, 0x2) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r0, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$VIDIOC_G_OUTPUT(r1, 0x8004562e, &(0x7f0000000040)) ioctl$VIDIOC_QUERYCTRL(r1, 0xc0445624, &(0x7f00000000c0)={0x8, 0x100, "3e29d87572e00952133ea89d84daa4dad048d393f89bcb5b90b8e440bf6d3b81", 0x80, 0x8, 0x1, 0x7fff, 0x42}) pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) clock_gettime(0x4, &(0x7f0000000140)) (async) syz_open_dev$vivid(&(0x7f0000000000), 0x0, 0x2) (async) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r0, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) (async) ioctl$VIDIOC_G_OUTPUT(r1, 0x8004562e, &(0x7f0000000040)) (async) ioctl$VIDIOC_QUERYCTRL(r1, 0xc0445624, &(0x7f00000000c0)={0x8, 0x100, "3e29d87572e00952133ea89d84daa4dad048d393f89bcb5b90b8e440bf6d3b81", 0x80, 0x8, 0x1, 0x7fff, 0x42}) (async) 22:20:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000180)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000080), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000240), r4) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r5) sendmsg$NBD_CMD_STATUS(r6, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r7, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_REQUESTER(0xffffffffffffffff, 0xc018937b, &(0x7f00000002c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff}, './file0\x00'}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000300), 0x422000, 0x0) r10 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r10, 0x113, 0x2, 0x0, 0x0) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000580), r4) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000700)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000005c0)={&(0x7f0000000680)={0x74, r11, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x27}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0xb}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '$*{+\x00'}]}, 0x74}, 0x1, 0x0, 0x0, 0x20004080}, 0x4004010) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000340)) (async) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f00000008c0)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x4}}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_VERSION(r12, 0xc0189371, &(0x7f0000000900)={{0x1, 0x1, 0x18, r8}, './file0\x00'}) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000380)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x19e}}, './file0\x00'}) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000004c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x80, r7, 0x200, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8001}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4d6}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7ffffffe}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x805}, 0x3e112ad260e91a4) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000200)={&(0x7f0000000500)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x14, r3, 0x800, 0x70bd28, 0x25dfdbf9}, 0x14}, 0x1, 0x0, 0x0, 0x24040044}, 0x800) (async) r13 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000780), r6) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(0xffffffffffffffff, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_LIST(r5, &(0x7f0000000ac0)={&(0x7f0000000940)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000a80)={&(0x7f0000000980)={0xc8, 0x0, 0x10, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x26, 0x7, 'system_u:object_r:auditd_etc_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @mcast1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_SECCTX={0x22, 0x7, 'system_u:object_r:hwdata_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @dev={0xac, 0x14, 0x14, 0x1f}}, @NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:lirc_device_t:s0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}]}, 0xc8}, 0x1, 0x0, 0x0, 0x4004080}, 0x20008000) (async) sendmsg$NLBL_UNLABEL_C_LIST(r2, &(0x7f0000000880)={&(0x7f0000000740)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000840)={&(0x7f00000007c0)={0x44, r13, 0x10, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_ACPTFLG={0x5}, @NLBL_UNLABEL_A_ACPTFLG={0x5, 0x1, 0x1}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_UNLABEL_A_IPV4MASK={0x8, 0x5, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x44}, 0x1, 0x0, 0x0, 0x10}, 0x0) 22:20:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:34 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r4) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r5, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:updpwd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x60}, 0x1, 0x0, 0x0, 0x1}, 0x10000840) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="cc000000", @ANYRES16=0x0, @ANYBLOB="000325bd7000ffdbdf250100000014000300fc010000000000000000000000000001140006006e69637666b0000000000000000000001400060064766d72703100000000000000000000050001000100627a2500070073797374656d5f753a6f626a6563745f723a7661725f73706f6f6c5f743a733000000000140006006261746164763000000000000000000008000400bc1e00012600070073797374656d5f753a6f626a6563745f723a6370755f6f6e6c696e655f743a73300000000800040000000000"], 0xcc}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)={0x14, r2, 0x200}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x28, r5, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}!&-'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x8001) 22:20:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}]}, 0x28}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r4, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x4040000) 22:20:34 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) clock_gettime(0x4, &(0x7f0000000140)) r0 = syz_open_dev$vivid(&(0x7f0000000000), 0x0, 0x2) ioctl$AUTOFS_DEV_IOCTL_TIMEOUT(r0, 0xc018937a, &(0x7f0000000080)={{0x1, 0x1, 0x18, r0, {0x1}}, './file0\x00'}) ioctl$VIDIOC_G_OUTPUT(r1, 0x8004562e, &(0x7f0000000040)) (async) ioctl$VIDIOC_QUERYCTRL(r1, 0xc0445624, &(0x7f00000000c0)={0x8, 0x100, "3e29d87572e00952133ea89d84daa4dad048d393f89bcb5b90b8e440bf6d3b81", 0x80, 0x8, 0x1, 0x7fff, 0x42}) 22:20:34 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x94, r2, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12b}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x94}, 0x1, 0x0, 0x0, 0x4000000}, 0x8080) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000000)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32, @ANYBLOB="ffffffff000040002e2f66696c653000"]) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000180), r0) sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x48, r5, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40001}, 0x4000000) ioctl$AUTOFS_DEV_IOCTL_READY(r4, 0xc0189376, &(0x7f0000000080)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r4, @ANYBLOB="06002e2f66696c653000000000000000"]) getsockopt$PNPIPE_IFINDEX(r4, 0x113, 0x2, 0x0, 0x0) r6 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r6, 0x113, 0x2, 0x0, 0x0) r7 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r7, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)={0x6c, r1, 0x1, 0x8070bd29, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r4}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '\r\x92\x8a\xe8\x8b\x1e\x12\x14\x1e\xca'}]}, 0x6c}}, 0x0) 22:20:34 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="cc000000", @ANYRES16=0x0, @ANYBLOB="000325bd7000ffdbdf250100000014000300fc010000000000000000000000000001140006006e69637666b0000000000000000000001400060064766d72703100000000000000000000050001000100627a2500070073797374656d5f753a6f626a6563745f723a7661725f73706f6f6c5f743a733000000000140006006261746164763000000000000000000008000400bc1e00012600070073797374656d5f753a6f626a6563745f723a6370755f6f6e6c696e655f743a73300000000800040000000000"], 0xcc}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)={0x14, r2, 0x200}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 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$nbd(&(0x7f0000000300), r3) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x28, r5, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}!&-'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x8001) 22:20:34 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r4) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r5, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:updpwd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x60}, 0x1, 0x0, 0x0, 0x1}, 0x10000840) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 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$netlbl_mgmt(&(0x7f00000002c0), r0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r4) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r4, &(0x7f0000001340)={0x0, 0x0, &(0x7f0000001300)={&(0x7f0000001280)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_UNLABEL_C_STATICADDDEF(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r5, 0x8, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_UNLABEL_A_SECCTX={0x27, 0x7, 'system_u:object_r:updpwd_exec_t:s0\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @loopback}, @NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @private0}, @NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @initdev={0xac, 0x1e, 0x1, 0x0}}]}, 0x60}, 0x1, 0x0, 0x0, 0x1}, 0x10000840) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) (async) 22:20:34 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:34 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) (async) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}]}, 0x28}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r4, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x4040000) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r4, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x4040000) 22:20:34 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) pselect6(0x40, &(0x7f0000000000)={0x5, 0x6, 0x8000000000000000, 0x101, 0xa2c, 0x43, 0xff, 0x9}, &(0x7f0000000040)={0xdfc3, 0xff, 0x400, 0x0, 0x8, 0x6, 0x7ff, 0x91d}, &(0x7f0000000080)={0x2, 0x5, 0x3, 0x6, 0x3, 0x7, 0x40, 0x5a}, &(0x7f00000000c0)={0x77359400}, &(0x7f0000000140)={&(0x7f0000000100)={[0xad3]}, 0x8}) setsockopt$bt_l2cap_L2CAP_LM(0xffffffffffffffff, 0x6, 0x3, &(0x7f0000000180)=0x61, 0x4) pselect6(0x40, &(0x7f00000001c0)={0x200000, 0x6a, 0x665, 0x9, 0xb122, 0xffffffff, 0x6f, 0x6}, &(0x7f0000000200)={0x3ff, 0x1, 0x0, 0x1, 0x39425095, 0x3, 0x3, 0x800}, &(0x7f0000000240)={0x8, 0x7, 0x2, 0x2000000, 0x9, 0x0, 0x800, 0x100}, &(0x7f0000000280)={0x77359400}, &(0x7f0000000300)={&(0x7f00000002c0)={[0x7]}, 0x8}) [ 1467.071139] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1467.098735] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 22:20:35 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) pselect6(0x40, &(0x7f0000000000)={0x5, 0x6, 0x8000000000000000, 0x101, 0xa2c, 0x43, 0xff, 0x9}, &(0x7f0000000040)={0xdfc3, 0xff, 0x400, 0x0, 0x8, 0x6, 0x7ff, 0x91d}, &(0x7f0000000080)={0x2, 0x5, 0x3, 0x6, 0x3, 0x7, 0x40, 0x5a}, &(0x7f00000000c0)={0x77359400}, &(0x7f0000000140)={&(0x7f0000000100)={[0xad3]}, 0x8}) setsockopt$bt_l2cap_L2CAP_LM(0xffffffffffffffff, 0x6, 0x3, &(0x7f0000000180)=0x61, 0x4) (async) pselect6(0x40, &(0x7f00000001c0)={0x200000, 0x6a, 0x665, 0x9, 0xb122, 0xffffffff, 0x6f, 0x6}, &(0x7f0000000200)={0x3ff, 0x1, 0x0, 0x1, 0x39425095, 0x3, 0x3, 0x800}, &(0x7f0000000240)={0x8, 0x7, 0x2, 0x2000000, 0x9, 0x0, 0x800, 0x100}, &(0x7f0000000280)={0x77359400}, &(0x7f0000000300)={&(0x7f00000002c0)={[0x7]}, 0x8}) [ 1467.116639] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 22:20:35 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async, rerun: 32) pselect6(0x40, &(0x7f0000000000)={0x5, 0x6, 0x8000000000000000, 0x101, 0xa2c, 0x43, 0xff, 0x9}, &(0x7f0000000040)={0xdfc3, 0xff, 0x400, 0x0, 0x8, 0x6, 0x7ff, 0x91d}, &(0x7f0000000080)={0x2, 0x5, 0x3, 0x6, 0x3, 0x7, 0x40, 0x5a}, &(0x7f00000000c0)={0x77359400}, &(0x7f0000000140)={&(0x7f0000000100)={[0xad3]}, 0x8}) (async, rerun: 32) setsockopt$bt_l2cap_L2CAP_LM(0xffffffffffffffff, 0x6, 0x3, &(0x7f0000000180)=0x61, 0x4) (async) pselect6(0x40, &(0x7f00000001c0)={0x200000, 0x6a, 0x665, 0x9, 0xb122, 0xffffffff, 0x6f, 0x6}, &(0x7f0000000200)={0x3ff, 0x1, 0x0, 0x1, 0x39425095, 0x3, 0x3, 0x800}, &(0x7f0000000240)={0x8, 0x7, 0x2, 0x2000000, 0x9, 0x0, 0x800, 0x100}, &(0x7f0000000280)={0x77359400}, &(0x7f0000000300)={&(0x7f00000002c0)={[0x7]}, 0x8}) 22:20:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x94, r2, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12b}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x94}, 0x1, 0x0, 0x0, 0x4000000}, 0x8080) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000000)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32, @ANYBLOB="ffffffff000040002e2f66696c653000"]) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000180), r0) sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x48, r5, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40001}, 0x4000000) (async) ioctl$AUTOFS_DEV_IOCTL_READY(r4, 0xc0189376, &(0x7f0000000080)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r4, @ANYBLOB="06002e2f66696c653000000000000000"]) (async, rerun: 64) getsockopt$PNPIPE_IFINDEX(r4, 0x113, 0x2, 0x0, 0x0) (async, rerun: 64) r6 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r6, 0x113, 0x2, 0x0, 0x0) (async) r7 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r7, 0x113, 0x2, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)={0x6c, r1, 0x1, 0x8070bd29, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r4}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '\r\x92\x8a\xe8\x8b\x1e\x12\x14\x1e\xca'}]}, 0x6c}}, 0x0) 22:20:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_ACCEPT(r0, &(0x7f0000000280)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="cc000000", @ANYRES16=0x0, @ANYBLOB="000325bd7000ffdbdf250100000014000300fc010000000000000000000000000001140006006e69637666b0000000000000000000001400060064766d72703100000000000000000000050001000100627a2500070073797374656d5f753a6f626a6563745f723a7661725f73706f6f6c5f743a733000000000140006006261746164763000000000000000000008000400bc1e00012600070073797374656d5f753a6f626a6563745f723a6370755f6f6e6c696e655f743a73300000000800040000000000"], 0xcc}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)={0x14, r2, 0x200}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)={0x14, r2, 0x200}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000300), r3) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) (async) sendmsg$NBD_CMD_STATUS(r4, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000540)={0x20, r5, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x20}}, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x28, r5, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}!&-'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x8001) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)={0x28, r5, 0x8, 0x70bd27, 0x25dfdbfe, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x100000001}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '}!&-'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8000}, 0x8001) 22:20:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, 0x0, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}]}, 0x28}}, 0x0) 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$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r4, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x4040000) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r4, 0x400, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x80}]}, 0x20}, 0x1, 0x0, 0x0, 0x40}, 0x4040000) 22:20:35 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_ENUM_FRAMEINTERVALS(0xffffffffffffffff, 0xc034564b, &(0x7f0000000000)={0x4, 0x36314d59, 0x5b, 0x1f, 0x1, @discrete={0x3}}) 22:20:35 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r1) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x12110022}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r4, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}]}, 0x28}, 0x1, 0x0, 0x0, 0x44}, 0x81) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:35 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) (async) ioctl$VIDIOC_ENUM_FRAMEINTERVALS(0xffffffffffffffff, 0xc034564b, &(0x7f0000000000)={0x4, 0x36314d59, 0x5b, 0x1f, 0x1, @discrete={0x3}}) [ 1467.300154] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1467.328168] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 22:20:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:35 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$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r1) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x12110022}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r4, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}]}, 0x28}, 0x1, 0x0, 0x0, 0x44}, 0x81) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000380), r0) r3 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, 0x0, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000004c0)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x94, r2, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12b}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x81}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r3}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}]}, 0x94}, 0x1, 0x0, 0x0, 0x4000000}, 0x8080) (async) ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(0xffffffffffffffff, 0xc0189373, &(0x7f0000000000)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32, @ANYBLOB="ffffffff000040002e2f66696c653000"]) (async) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000180), r0) sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000300)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x48, r5, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}]}, 0x48}, 0x1, 0x0, 0x0, 0x40001}, 0x4000000) (async) ioctl$AUTOFS_DEV_IOCTL_READY(r4, 0xc0189376, &(0x7f0000000080)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=r4, @ANYBLOB="06002e2f66696c653000000000000000"]) (async) getsockopt$PNPIPE_IFINDEX(r4, 0x113, 0x2, 0x0, 0x0) r6 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r6, 0x113, 0x2, 0x0, 0x0) (async) r7 = syz_open_dev$audion(&(0x7f0000000000), 0x1, 0x2cc400) getsockopt$PNPIPE_IFINDEX(r7, 0x113, 0x2, 0x0, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000001c0)={0x6c, r1, 0x1, 0x8070bd29, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r6}, {0x8, 0x1, r4}, {0x8, 0x1, r7}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x100000}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_BACKEND_IDENTIFIER={0xe, 0xa, '\r\x92\x8a\xe8\x8b\x1e\x12\x14\x1e\xca'}]}, 0x6c}}, 0x0) 22:20:35 executing program 1: pselect6(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$VIDIOC_ENUM_FRAMEINTERVALS(0xffffffffffffffff, 0xc034564b, &(0x7f0000000000)={0x4, 0x36314d59, 0x5b, 0x1f, 0x1, @discrete={0x3}}) 22:20:35 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1, 0x70bd2c}, 0x14}}, 0x0) [ 1467.348888] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1467.389817] block nbd5: NBD_DISCONNECT 22:20:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)=ANY=[@ANYBLOB="0ddd90f82f790eca0e98c2f20677", @ANYRES16=r1, @ANYBLOB="0002000000100000000004000000140006e000801d24fffdd300000000000000000048db647827f645514b287d177e07ee34dea126d30f702dc611e7b5780883e3733e4bd3fd1b6c98192854e6d69b5ff73733d2867666075a10404a7a67c16124f2792e10e4cdb0fdfc23acc2812e031f02dc77607e45bdeaff2d4bbbf746fa5fd92909e2d4fced50"], 0x28}}, 0x0) [ 1467.451871] kasan: CONFIG_KASAN_INLINE enabled [ 1467.456482] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 1467.463847] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 1467.470076] Modules linked in: [ 1467.473284] CPU: 1 PID: 4263 Comm: systemd-udevd Not tainted 4.14.307-syzkaller #0 [ 1467.480998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 1467.490267] nbd: must specify an index to disconnect [ 1467.490371] task: ffff88808953a680 task.stack: ffff8880b4f78000 22:20:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) 22:20:35 executing program 1: ioctl$VIDIOC_S_FREQUENCY(0xffffffffffffffff, 0x402c5639, &(0x7f0000000000)={0xb84, 0x4, 0x9}) pselect6(0x2c6a2a4d50d7d8b, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:35 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1, 0x70bd2c}, 0x14}}, 0x0) 22:20:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x30, r1, 0x0, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'pimreg1\x00'}]}, 0x30}}, 0x4040000) [ 1467.501542] RIP: 0010:__lock_acquire+0x1cc/0x3f20 [ 1467.506382] RSP: 0018:ffff8880b4f7f938 EFLAGS: 00010006 [ 1467.511747] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 1467.519016] RDX: 0000000000000022 RSI: 0000000000000000 RDI: 0000000000000110 [ 1467.523541] nbd: nbd5 already in use [ 1467.526274] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 1467.526280] R10: 0000000000000001 R11: ffff88808953a680 R12: 0000000000000110 [ 1467.526286] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8bed1e40 22:20:35 executing program 1: ioctl$VIDIOC_S_FREQUENCY(0xffffffffffffffff, 0x402c5639, &(0x7f0000000000)={0xb84, 0x4, 0x9}) (async) pselect6(0x2c6a2a4d50d7d8b, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:35 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)={0x14, r1, 0x1, 0x70bd2c}, 0x14}}, 0x0) [ 1467.526294] FS: 00007facf7adf8c0(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 1467.526299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1467.526307] CR2: 00007fffe2048918 CR3: 000000009cc6e000 CR4: 00000000003406e0 [ 1467.573250] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1467.580607] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1467.587880] Call Trace: [ 1467.590473] ? vprintk_emit+0x170/0x620 [ 1467.594448] ? dev_vprintk_emit+0x1da/0x440 22:20:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}]}, 0x1c}}, 0x4040000) [ 1467.598769] ? trace_hardirqs_on+0x10/0x10 [ 1467.603001] ? dev_driver_string+0x160/0x160 [ 1467.607405] ? __lock_acquire+0x5fc/0x3f20 [ 1467.611646] ? trace_hardirqs_on+0x10/0x10 [ 1467.615885] lock_acquire+0x170/0x3f0 [ 1467.619698] ? flush_workqueue+0xcb/0x1310 [ 1467.623964] flush_workqueue+0xfa/0x1310 [ 1467.628026] ? flush_workqueue+0xcb/0x1310 [ 1467.632260] ? nbd_disconnect_and_put+0x99/0x140 [ 1467.637105] ? lock_downgrade+0x740/0x740 [ 1467.641272] ? check_flush_dependency+0x2a0/0x2a0 [ 1467.646129] nbd_disconnect_and_put+0xc3/0x140 [ 1467.646152] nbd: must specify at least one socket [ 1467.650711] nbd_release+0x123/0x150 [ 1467.650721] ? nbd_ioctl+0xad0/0xad0 [ 1467.650732] __blkdev_put+0x5aa/0x800 [ 1467.650745] ? revalidate_disk+0x1f0/0x1f0 [ 1467.650754] ? locks_remove_file+0x2cd/0x420 [ 1467.650764] ? blkdev_put+0x75/0x4c0 [ 1467.650774] ? blkdev_put+0x4c0/0x4c0 [ 1467.650783] blkdev_close+0x86/0xb0 [ 1467.650793] __fput+0x25f/0x7a0 [ 1467.650805] task_work_run+0x11f/0x190 [ 1467.650818] exit_to_usermode_loop+0x1ad/0x200 [ 1467.650827] do_syscall_64+0x4a3/0x640 22:20:35 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000002c0), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000300)={0x14, r2, 0xb21}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14}, 0x14}}, 0x0) (async, rerun: 32) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r1) (rerun: 32) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x12110022}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, r4, 0x20, 0x70bd29, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}]}, 0x28}, 0x1, 0x0, 0x0, 0x44}, 0x81) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r1) 22:20:35 executing program 1: ioctl$VIDIOC_S_FREQUENCY(0xffffffffffffffff, 0x402c5639, &(0x7f0000000000)={0xb84, 0x4, 0x9}) (async) pselect6(0x2c6a2a4d50d7d8b, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 22:20:35 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000040)=ANY=[@ANYBLOB="0ddd90f82f790eca0e98c2f20677", @ANYRES16=r1, @ANYBLOB="0002000000100000000004000000140006e000801d24fffdd300000000000000000048db647827f645514b287d177e07ee34dea126d30f702dc611e7b5780883e3733e4bd3fd1b6c98192854e6d69b5ff73733d2867666075a10404a7a67c16124f2792e10e4cdb0fdfc23acc2812e031f02dc77607e45bdeaff2d4bbbf746fa5fd92909e2d4fced50"], 0x28}}, 0x0) 22:20:35 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000140), r0) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4ADDR={0x8, 0x4, @private=0xa010101}]}, 0x1c}}, 0x4040000) 22:20:35 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1, 0x70bd2c}, 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$nbd(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r2, 0x1, 0x70bd2c}, 0x14}}, 0x0) (async) 22:20:35 executing program 5: 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$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)={0x14, r1, 0x1, 0x70bd2c}, 0x14}}, 0x0) [ 1467.650840] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 1467.650853] RIP: 0033:0x7facf6c25270 [ 1467.650858] RSP: 002b:00007fffe204c7a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1467.650868] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007facf6c25270 [ 1467.650873] RDX: 000000000aba9500 RSI: 0000000000000000 RDI: 0000000000000007 [ 1467.650878] RBP: 00007facf7adf710 R08: 0000000000000045 R09: 0000000000000018 [ 1467.650884] R10: 00005590205bf838 R11: 0000000000000246 R12: 0000000000000000 [ 1467.650889] R13: 00005590205b7420 R14: 0000000000000003 R15: 000000000000000e [ 1467.650896] Code: 18 00 00 00 00 48 81 c4 80 01 00 00 44 89 e8 5b 5d [ 1467.753985] nbd: must specify an index to disconnect [ 1467.755198] 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 67 2a 00 00 49 81 3c 24 60 d8 2f 8b 0f 84 5f [ 1467.781052] RIP: __lock_acquire+0x1cc/0x3f20 RSP: ffff8880b4f7f938 [ 1467.787374] ---[ end trace 4f247ffcffd351e5 ]--- [ 1467.792130] Kernel panic - not syncing: Fatal exception [ 1467.797652] Kernel Offset: disabled [ 1467.801392] Rebooting in 86400 seconds..