_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4c}]}, 0x4c}}, 0x0) 04:59:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_READ(0xffffffffffffffff, 0xc008551a, &(0x7f0000000000)={0x9, 0x18, [0xc9, 0xffffffff, 0x81, 0x40000000, 0x4, 0x82]}) 04:59:55 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="4100000000000000000002000000"], 0x14}}, 0x0) 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$nbd(&(0x7f0000000440), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x54, 0x0, 0x8, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x1}, 0x44001) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2a000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r3, 0x200, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r5) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000200000000000000000003fff280"], 0x24}}, 0x4000) 04:59:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0xa}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) 04:59:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r0) sendmsg$NLBL_MGMT_C_ADD(r2, &(0x7f00000004c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000003c0)={&(0x7f00000002c0)={0x28, r3, 0x100, 0x70bd2a, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}]}, 0x28}, 0x1, 0x0, 0x0, 0x800}, 0xc804) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_PROTOCOLS(r7, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="020026bd70001d168ccf94b71b5406000b001500000008000200074000e5ac0002000300000008000c0002000000080007007f0000010800079c8a010101"], 0x44}, 0x1, 0x0, 0x0, 0x4400}, 0x4000000) (async) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) sendmsg$NLBL_MGMT_C_REMOVE(r7, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r8, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0xbbe1f62e1ac110b}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, r8, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_DOMAIN={0xb, 0x1, '}#}%(&\x00'}]}, 0x38}, 0x1, 0x0, 0x0, 0x4090}, 0x1) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0xffffffff, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:59:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 04:59:55 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x50e000) 04:59:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 04:59:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_READ(0xffffffffffffffff, 0xc008551a, &(0x7f0000000000)={0x9, 0x18, [0xc9, 0xffffffff, 0x81, 0x40000000, 0x4, 0x82]}) [ 3502.338185] nbd: must specify an index to disconnect 04:59:55 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="4100000000000000000002000000"], 0x14}}, 0x0) (async, rerun: 64) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x54, 0x0, 0x8, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x1}, 0x44001) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2a000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r3, 0x200, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r5) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000200000000000000000003fff280"], 0x24}}, 0x4000) 04:59:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000085800004c895ab520de10d16d0b1958a80000010000000c0002"], 0x24}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x100, 0x70bd26, 0x25dfdbfe, {{}, {@val={0x8}, @void}}, ["", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x85}, 0x40000) 04:59:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x68}]}, 0x4c}}, 0x0) 04:59:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 04:59:55 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x50f000) 04:59:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_READ(0xffffffffffffffff, 0xc008551a, &(0x7f0000000000)={0x9, 0x18, [0xc9, 0xffffffff, 0x81, 0x40000000, 0x4, 0x82]}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) ioctl$SNDRV_CTL_IOCTL_TLV_READ(0xffffffffffffffff, 0xc008551a, &(0x7f0000000000)={0x9, 0x18, [0xc9, 0xffffffff, 0x81, 0x40000000, 0x4, 0x82]}) (async) 04:59:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6c}]}, 0x4c}}, 0x0) 04:59:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 04:59:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000085800004c895ab520de10d16d0b1958a80000010000000c0002"], 0x24}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x100, 0x70bd26, 0x25dfdbfe, {{}, {@val={0x8}, @void}}, ["", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x85}, 0x40000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000085800004c895ab520de10d16d0b1958a80000010000000c0002"], 0x24}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) (async) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x100, 0x70bd26, 0x25dfdbfe, {{}, {@val={0x8}, @void}}, ["", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x85}, 0x40000) (async) 04:59:55 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x510000) 04:59:55 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="4100000000000000000002000000"], 0x14}}, 0x0) 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$nbd(&(0x7f0000000440), r2) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x54, 0x0, 0x8, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x1}, 0x44001) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2a000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r3, 0x200, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r5) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000200000000000000000003fff280"], 0x24}}, 0x4000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="4100000000000000000002000000"], 0x14}}, 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$nbd(&(0x7f0000000440), r2) (async) sendmsg$NBD_CMD_STATUS(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x54, 0x0, 0x8, 0x70bd29, 0x25dfdbfe, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1f}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x54}, 0x1, 0x0, 0x0, 0x1}, 0x44001) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2a000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r3, 0x200, 0x70bd29, 0x25dfdbfc, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}]}, 0x28}, 0x1, 0x0, 0x0, 0x8c0}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f00000002c0), r5) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000200000000000000000003fff280"], 0x24}}, 0x4000) (async) 04:59:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000000c0)=ANY=[@ANYBLOB="0c8a7d7ff46ed61cb797b8e9dc54ae84b3824d35462b5d3600e35ea19050590a664474c663e4f687f11fbc1caa23b6eb74bef706e17bf76e5997f7c1cd31cbf0076eb87fad80b279ef16eb7bfa30ff5a012817ce5087aa7ec4c8474837f5c98c0c0bc8d5cf22", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000500ccd134598b605414", @ANYRES64=r2], 0x2c}, 0x1, 0x0, 0x0, 0x20000810}, 0x0) 04:59:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x74}]}, 0x4c}}, 0x0) 04:59:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 04:59:55 executing program 0: 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$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000085800004c895ab520de10d16d0b1958a80000010000000c0002"], 0x24}}, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x100, 0x70bd26, 0x25dfdbfe, {{}, {@val={0x8}, @void}}, ["", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x85}, 0x40000) 04:59:55 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x511000) 04:59:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000000c0)=ANY=[@ANYBLOB="0c8a7d7ff46ed61cb797b8e9dc54ae84b3824d35462b5d3600e35ea19050590a664474c663e4f687f11fbc1caa23b6eb74bef706e17bf76e5997f7c1cd31cbf0076eb87fad80b279ef16eb7bfa30ff5a012817ce5087aa7ec4c8474837f5c98c0c0bc8d5cf22", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000500ccd134598b605414", @ANYRES64=r2], 0x2c}, 0x1, 0x0, 0x0, 0x20000810}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000000c0)=ANY=[@ANYBLOB="0c8a7d7ff46ed61cb797b8e9dc54ae84b3824d35462b5d3600e35ea19050590a664474c663e4f687f11fbc1caa23b6eb74bef706e17bf76e5997f7c1cd31cbf0076eb87fad80b279ef16eb7bfa30ff5a012817ce5087aa7ec4c8474837f5c98c0c0bc8d5cf22", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000500ccd134598b605414", @ANYRES64=r2], 0x2c}, 0x1, 0x0, 0x0, 0x20000810}, 0x0) (async) 04:59:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) [ 3502.790690] nbd: must specify an index to disconnect 04:59:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7a}]}, 0x4c}}, 0x0) 04:59:55 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x7c, 0x0, 0x1, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}]}, 0x7c}, 0x1, 0x0, 0x0, 0x80}, 0x4) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="01b8e70000000000000002000000"], 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) setsockopt$inet6_tcp_TCP_REPAIR(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000280)=0xffffffffffffffff, 0x4) 04:59:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x4004000) 04:59:55 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x512000) 04:59:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 04:59:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf0}]}, 0x4c}}, 0x0) 04:59:55 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x7c, 0x0, 0x1, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}]}, 0x7c}, 0x1, 0x0, 0x0, 0x80}, 0x4) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="01b8e70000000000000002000000"], 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) setsockopt$inet6_tcp_TCP_REPAIR(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000280)=0xffffffffffffffff, 0x4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x7c, 0x0, 0x1, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}]}, 0x7c}, 0x1, 0x0, 0x0, 0x80}, 0x4) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="01b8e70000000000000002000000"], 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) setsockopt$inet6_tcp_TCP_REPAIR(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000280)=0xffffffffffffffff, 0x4) (async) 04:59:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000000c0)=ANY=[@ANYBLOB="0c8a7d7ff46ed61cb797b8e9dc54ae84b3824d35462b5d3600e35ea19050590a664474c663e4f687f11fbc1caa23b6eb74bef706e17bf76e5997f7c1cd31cbf0076eb87fad80b279ef16eb7bfa30ff5a012817ce5087aa7ec4c8474837f5c98c0c0bc8d5cf22", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000500ccd134598b605414", @ANYRES64=r2], 0x2c}, 0x1, 0x0, 0x0, 0x20000810}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000000c0)=ANY=[@ANYBLOB="0c8a7d7ff46ed61cb797b8e9dc54ae84b3824d35462b5d3600e35ea19050590a664474c663e4f687f11fbc1caa23b6eb74bef706e17bf76e5997f7c1cd31cbf0076eb87fad80b279ef16eb7bfa30ff5a012817ce5087aa7ec4c8474837f5c98c0c0bc8d5cf22", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000000000000c000500ccd134598b605414", @ANYRES64=r2], 0x2c}, 0x1, 0x0, 0x0, 0x20000810}, 0x0) (async) 04:59:55 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x513000) 04:59:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x4004000) 04:59:55 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 04:59:55 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x300}]}, 0x4c}}, 0x0) 04:59:55 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x7c, 0x0, 0x1, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}]}, 0x7c}, 0x1, 0x0, 0x0, 0x80}, 0x4) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="01b8e70000000000000002000000"], 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) setsockopt$inet6_tcp_TCP_REPAIR(0xffffffffffffffff, 0x6, 0x13, &(0x7f0000000280)=0xffffffffffffffff, 0x4) 04:59:55 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}]}, 0x2c}}, 0x0) 04:59:55 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x514000) 04:59:55 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x2, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x4004000) 04:59:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 04:59:56 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:59:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}]}, 0x2c}}, 0x0) [ 3503.252276] nbd: must specify at least one socket 04:59:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x500}]}, 0x4c}}, 0x0) 04:59:56 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x515000) 04:59:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 04:59:56 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)=ANY=[@ANYBLOB="2400f900", @ANYRES8=r2, @ANYBLOB="010000000000000000000004000780000066050b3b000000000000000000ad3673d0c7f1b682a2b486149770e16a725f1c392d9ee575cd7b83ccc80e513110c3745aeb44f13e3294ca4dabd1b0f5c3141f208a9a56961b755455434fb2bd1ae6c6bf9ac7ec7baaf683eb87c9c078fd7f1d59fa1d06d92141828ef560f7b3314cafb3b9854a934b2d5749ccc5d8f84213f9b06facefb7a8426166c9e8b7ad26f6aae16bd4ed7946cb4e6ed64d5b7268e99c1cafd6476c81d2997891e097d1cb53911f92c92053dbf5b00fc7255eb757a2564584aa7a707707a0c15a578bd9b4302efa413659a9b8129b787ca4c1aa09c66ae6"], 0x24}}, 0x4000001) [ 3503.368333] nbd: must specify at least one socket 04:59:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}]}, 0x2c}}, 0x0) 04:59:56 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:59:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x600}]}, 0x4c}}, 0x0) 04:59:56 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)=ANY=[@ANYBLOB="2400f900", @ANYRES8=r2, @ANYBLOB="010000000000000000000004000780000066050b3b000000000000000000ad3673d0c7f1b682a2b486149770e16a725f1c392d9ee575cd7b83ccc80e513110c3745aeb44f13e3294ca4dabd1b0f5c3141f208a9a56961b755455434fb2bd1ae6c6bf9ac7ec7baaf683eb87c9c078fd7f1d59fa1d06d92141828ef560f7b3314cafb3b9854a934b2d5749ccc5d8f84213f9b06facefb7a8426166c9e8b7ad26f6aae16bd4ed7946cb4e6ed64d5b7268e99c1cafd6476c81d2997891e097d1cb53911f92c92053dbf5b00fc7255eb757a2564584aa7a707707a0c15a578bd9b4302efa413659a9b8129b787ca4c1aa09c66ae6"], 0x24}}, 0x4000001) 04:59:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0xa}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) 04:59:56 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x516000) [ 3503.523915] nbd: must specify at least one socket 04:59:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000100004000000200000000000000000004000780"], 0x24}}, 0x0) 04:59:56 executing program 2: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:59:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x700}]}, 0x4c}}, 0x0) 04:59:56 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f00000000c0), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)=ANY=[@ANYBLOB="2400f900", @ANYRES8=r2, @ANYBLOB="010000000000000000000004000780000066050b3b000000000000000000ad3673d0c7f1b682a2b486149770e16a725f1c392d9ee575cd7b83ccc80e513110c3745aeb44f13e3294ca4dabd1b0f5c3141f208a9a56961b755455434fb2bd1ae6c6bf9ac7ec7baaf683eb87c9c078fd7f1d59fa1d06d92141828ef560f7b3314cafb3b9854a934b2d5749ccc5d8f84213f9b06facefb7a8426166c9e8b7ad26f6aae16bd4ed7946cb4e6ed64d5b7268e99c1cafd6476c81d2997891e097d1cb53911f92c92053dbf5b00fc7255eb757a2564584aa7a707707a0c15a578bd9b4302efa413659a9b8129b787ca4c1aa09c66ae6"], 0x24}}, 0x4000001) 04:59:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0xa}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) 04:59:56 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x517000) [ 3503.659141] nbd: must specify at least one socket 04:59:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000100004000000200000000000000000004000780"], 0x24}}, 0x0) 04:59:56 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, 0x0, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x48}, 0x1, 0x0, 0x0, 0x4044000}, 0x20004000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, 0x0, 0x100, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000091}, 0x8010) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:59:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0xa}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) 04:59:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xa00}]}, 0x4c}}, 0x0) 04:59:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r5, 0x10, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="a4000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 04:59:56 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000100004000000200000000000000000004000780"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000100004000000200000000000000000004000780"], 0x24}}, 0x0) (async) [ 3503.795942] nbd: must specify at least one socket 04:59:56 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, 0x0, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x48}, 0x1, 0x0, 0x0, 0x4044000}, 0x20004000) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, 0x0, 0x100, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000091}, 0x8010) (async, rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:59:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf00}]}, 0x4c}}, 0x0) 04:59:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0xa}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) 04:59:56 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x518000) [ 3503.879658] nbd: must specify an index to disconnect 04:59:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r5, 0x10, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="a4000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 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$nbd(&(0x7f0000000440), r4) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r5, 0x10, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="a4000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) 04:59:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0xa}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) [ 3503.991955] nbd: must specify at least one socket [ 3504.006242] nbd: must specify at least one socket 04:59:56 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2000}]}, 0x4c}}, 0x0) 04:59:56 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x519000) 04:59:56 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, 0x0, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x48}, 0x1, 0x0, 0x0, 0x4044000}, 0x20004000) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, 0x0, 0x100, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000091}, 0x8010) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)={0x48, 0x0, 0x200, 0x70bd26, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}]}, 0x48}, 0x1, 0x0, 0x0, 0x4044000}, 0x20004000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000300)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, 0x0, 0x100, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000091}, 0x8010) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) [ 3504.057616] nbd: must specify an index to disconnect 04:59:56 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r5, 0x10, 0x70bd2a, 0x25dfdbfb, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x1c}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="a4000000", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 04:59:56 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x51a000) 04:59:56 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0xa}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) 04:59:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3f00}]}, 0x4c}}, 0x0) [ 3504.226444] nbd: must specify an index to disconnect 04:59:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0xa}]}]}, 0x40}}, 0x0) 04:59:57 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) socketpair(0x26, 0x3, 0xffff768b, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$fou(&(0x7f0000000180), 0xffffffffffffffff) r4 = socket$kcm(0x29, 0x5, 0x0) ioctl$sock_SIOCGIFINDEX(r4, 0x89a0, &(0x7f0000000000)={'virt_wifi0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) sendmsg$FOU_CMD_DEL(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='\\\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00032bbd7000fbdbdf250200000008000b00", @ANYRES32=r5, @ANYBLOB="050004000300000008000b00", @ANYRES32=r6, @ANYBLOB="050003003b000000080808007f0000010500020a0200000014000700fe8800000500000000000000000001ffff00050091e842b282ea5d2bfe3898aefb0f7a30ea275a050000007dbeca14e38d4786f6b60a14b709263061d2438e14c9fd8dfbd6d49d3a35b96292287f1ed0f66285f1a5af47361c2772bdf4bf34bffb09dd99d345d38c5370ae97b2bfeabd958e179e47de926eeb7ad7cc0559b59bcda420f43d577efd6b51d3b8d61c42"], 0x5c}, 0x1, 0x0, 0x0, 0x1}, 0x4000) sendmsg$FOU_CMD_DEL(r2, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r3, 0x413, 0x70bd29, 0x25dfdbfb, {}, [@FOU_ATTR_IFINDEX={0x8, 0xb, r5}, @FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e22}, @FOU_ATTR_AF={0x5, 0x2, 0xa}, @FOU_ATTR_TYPE={0x5, 0x4, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x40010}, 0x20000000) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:59:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYRES64=r2, @ANYRES16=r3, @ANYRES64=r0], 0x24}}, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) setsockopt$bt_hci_HCI_DATA_DIR(r4, 0x0, 0x1, &(0x7f00000001c0), 0x4) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 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$nbd(&(0x7f0000000440), r7) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r8, 0x1}, 0x14}}, 0x0) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x200100, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40020000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x7c, r8, 0x108, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r10}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20000000}, 0x801) 04:59:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4800}]}, 0x4c}}, 0x0) 04:59:57 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x51b000) [ 3504.381509] nbd: must specify an index to disconnect [ 3504.410363] nla_parse: 34 callbacks suppressed [ 3504.410373] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 04:59:57 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x51c000) 04:59:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) (async) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYRES64=r2, @ANYRES16=r3, @ANYRES64=r0], 0x24}}, 0x0) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) (async) setsockopt$bt_hci_HCI_DATA_DIR(r4, 0x0, 0x1, &(0x7f00000001c0), 0x4) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r7) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r8, 0x1}, 0x14}}, 0x0) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) (async) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x200100, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40020000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x7c, r8, 0x108, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r10}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20000000}, 0x801) 04:59:57 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) socketpair(0x26, 0x3, 0xffff768b, &(0x7f0000000000)={0xffffffffffffffff}) (async) r3 = syz_genetlink_get_family_id$fou(&(0x7f0000000180), 0xffffffffffffffff) (async, rerun: 64) r4 = socket$kcm(0x29, 0x5, 0x0) (rerun: 64) ioctl$sock_SIOCGIFINDEX(r4, 0x89a0, &(0x7f0000000000)={'virt_wifi0\x00', 0x0}) (async) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) sendmsg$FOU_CMD_DEL(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='\\\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00032bbd7000fbdbdf250200000008000b00", @ANYRES32=r5, @ANYBLOB="050004000300000008000b00", @ANYRES32=r6, @ANYBLOB="050003003b000000080808007f0000010500020a0200000014000700fe8800000500000000000000000001ffff00050091e842b282ea5d2bfe3898aefb0f7a30ea275a050000007dbeca14e38d4786f6b60a14b709263061d2438e14c9fd8dfbd6d49d3a35b96292287f1ed0f66285f1a5af47361c2772bdf4bf34bffb09dd99d345d38c5370ae97b2bfeabd958e179e47de926eeb7ad7cc0559b59bcda420f43d577efd6b51d3b8d61c42"], 0x5c}, 0x1, 0x0, 0x0, 0x1}, 0x4000) (async) sendmsg$FOU_CMD_DEL(r2, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r3, 0x413, 0x70bd29, 0x25dfdbfb, {}, [@FOU_ATTR_IFINDEX={0x8, 0xb, r5}, @FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e22}, @FOU_ATTR_AF={0x5, 0x2, 0xa}, @FOU_ATTR_TYPE={0x5, 0x4, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x40010}, 0x20000000) (async, rerun: 32) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:59:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) 04:59:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4c00}]}, 0x4c}}, 0x0) [ 3504.455229] nbd: socks must be embedded in a SOCK_ITEM attr 04:59:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6000}]}, 0x4c}}, 0x0) 04:59:57 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x51d000) 04:59:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYRES64=r2, @ANYRES16=r3, @ANYRES64=r0], 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYRES64=r2, @ANYRES16=r3, @ANYRES64=r0], 0x24}}, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) setsockopt$bt_hci_HCI_DATA_DIR(r4, 0x0, 0x1, &(0x7f00000001c0), 0x4) (async) setsockopt$bt_hci_HCI_DATA_DIR(r4, 0x0, 0x1, &(0x7f00000001c0), 0x4) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r7) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r8, 0x1}, 0x14}}, 0x0) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000080), 0x200100, 0x0) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40020000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x7c, r8, 0x108, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r3}, {0x8, 0x1, r9}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8}, {0x8, 0x1, r2}, {0x8, 0x1, r3}, {0x8, 0x1, r10}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x7c}, 0x1, 0x0, 0x0, 0x20000000}, 0x801) [ 3504.606970] nbd: must specify an index to disconnect [ 3504.624266] nbd: must specify at least one socket 04:59:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) 04:59:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6800}]}, 0x4c}}, 0x0) 04:59:57 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x51e000) 04:59:57 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) [ 3504.748448] nbd: must specify at least one socket 04:59:57 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x24, r1, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x100}]}, 0x24}, 0x1, 0x0, 0x0, 0x54}, 0x0) [ 3504.791841] nbd: must specify an index to disconnect 04:59:57 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6c00}]}, 0x4c}}, 0x0) [ 3504.859063] nbd: must specify at least one socket 04:59:58 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) socketpair(0x26, 0x3, 0xffff768b, &(0x7f0000000000)={0xffffffffffffffff}) r3 = syz_genetlink_get_family_id$fou(&(0x7f0000000180), 0xffffffffffffffff) r4 = socket$kcm(0x29, 0x5, 0x0) ioctl$sock_SIOCGIFINDEX(r4, 0x89a0, &(0x7f0000000000)={'virt_wifi0\x00', 0x0}) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000080)={'bridge0\x00', 0x0}) sendmsg$FOU_CMD_DEL(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='\\\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00032bbd7000fbdbdf250200000008000b00", @ANYRES32=r5, @ANYBLOB="050004000300000008000b00", @ANYRES32=r6, @ANYBLOB="050003003b000000080808007f0000010500020a0200000014000700fe8800000500000000000000000001ffff00050091e842b282ea5d2bfe3898aefb0f7a30ea275a050000007dbeca14e38d4786f6b60a14b709263061d2438e14c9fd8dfbd6d49d3a35b96292287f1ed0f66285f1a5af47361c2772bdf4bf34bffb09dd99d345d38c5370ae97b2bfeabd958e179e47de926eeb7ad7cc0559b59bcda420f43d577efd6b51d3b8d61c42"], 0x5c}, 0x1, 0x0, 0x0, 0x1}, 0x4000) sendmsg$FOU_CMD_DEL(r2, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r3, 0x413, 0x70bd29, 0x25dfdbfb, {}, [@FOU_ATTR_IFINDEX={0x8, 0xb, r5}, @FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e22}, @FOU_ATTR_AF={0x5, 0x2, 0xa}, @FOU_ATTR_TYPE={0x5, 0x4, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x40010}, 0x20000000) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) socketpair(0x26, 0x3, 0xffff768b, &(0x7f0000000000)) (async) syz_genetlink_get_family_id$fou(&(0x7f0000000180), 0xffffffffffffffff) (async) socket$kcm(0x29, 0x5, 0x0) (async) ioctl$sock_SIOCGIFINDEX(r4, 0x89a0, &(0x7f0000000000)={'virt_wifi0\x00'}) (async) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000080)={'bridge0\x00'}) (async) sendmsg$FOU_CMD_DEL(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000140)={&(0x7f00000001c0)=ANY=[@ANYBLOB='\\\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00032bbd7000fbdbdf250200000008000b00", @ANYRES32=r5, @ANYBLOB="050004000300000008000b00", @ANYRES32=r6, @ANYBLOB="050003003b000000080808007f0000010500020a0200000014000700fe8800000500000000000000000001ffff00050091e842b282ea5d2bfe3898aefb0f7a30ea275a050000007dbeca14e38d4786f6b60a14b709263061d2438e14c9fd8dfbd6d49d3a35b96292287f1ed0f66285f1a5af47361c2772bdf4bf34bffb09dd99d345d38c5370ae97b2bfeabd958e179e47de926eeb7ad7cc0559b59bcda420f43d577efd6b51d3b8d61c42"], 0x5c}, 0x1, 0x0, 0x0, 0x1}, 0x4000) (async) sendmsg$FOU_CMD_DEL(r2, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x34, r3, 0x413, 0x70bd29, 0x25dfdbfb, {}, [@FOU_ATTR_IFINDEX={0x8, 0xb, r5}, @FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e22}, @FOU_ATTR_AF={0x5, 0x2, 0xa}, @FOU_ATTR_TYPE={0x5, 0x4, 0x2}]}, 0x34}, 0x1, 0x0, 0x0, 0x40010}, 0x20000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 04:59:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 04:59:58 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x51f000) 04:59:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x24, r1, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x100}]}, 0x24}, 0x1, 0x0, 0x0, 0x54}, 0x0) 04:59:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7400}]}, 0x4c}}, 0x0) [ 3505.372488] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 04:59:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x24, r1, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x4}, @NBD_ATTR_SERVER_FLAGS={0x0, 0x5, 0x100}]}, 0x24}, 0x1, 0x0, 0x0, 0x54}, 0x0) 04:59:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7a00}]}, 0x4c}}, 0x0) 04:59:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) ioctl$KVM_CREATE_VM(r7, 0xae01, 0x0) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfe000000}}, './file0\x00'}) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x68, r2, 0x310, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x31}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r8}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x4}, 0x40010) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000340), 0x81, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x78, r1, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r5}, {0x8, 0x1, r5}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}]}, 0x78}}, 0x40000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="2f244af8bb3941e8be5dd744954cddcc327d8fc7ec22a0b432445fb0757e57d8051426e5285eec38194adbd277e1f388f93192664f3828a392b08da424c962571f8db7da4c9bbc9ffd0f7456dd507e949fa9840f9e", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) 04:59:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 04:59:58 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x520000) 04:59:58 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, 0x0, 0x1, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x795cb554bab2aa9) 04:59:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) (async) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) (async) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) ioctl$KVM_CREATE_VM(r7, 0xae01, 0x0) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfe000000}}, './file0\x00'}) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x68, r2, 0x310, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x31}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r8}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x4}, 0x40010) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) (async) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000340), 0x81, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x78, r1, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r5}, {0x8, 0x1, r5}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}]}, 0x78}}, 0x40000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="2f244af8bb3941e8be5dd744954cddcc327d8fc7ec22a0b432445fb0757e57d8051426e5285eec38194adbd277e1f388f93192664f3828a392b08da424c962571f8db7da4c9bbc9ffd0f7456dd507e949fa9840f9e", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="2f244af8bb3941e8be5dd744954cddcc327d8fc7ec22a0b432445fb0757e57d8051426e5285eec38194adbd277e1f388f93192664f3828a392b08da424c962571f8db7da4c9bbc9ffd0f7456dd507e949fa9840f9e", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) 04:59:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf000}]}, 0x4c}}, 0x0) [ 3505.577933] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 04:59:58 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x521000) 04:59:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x38}}, 0x0) 04:59:58 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, 0x0, 0x1, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x795cb554bab2aa9) 04:59:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) (async) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) ioctl$KVM_CREATE_VM(r7, 0xae01, 0x0) (async) ioctl$KVM_CREATE_VM(r7, 0xae01, 0x0) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfe000000}}, './file0\x00'}) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x68, r2, 0x310, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x31}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r8}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x4}, 0x40010) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000340), 0x81, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x78, r1, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r5}, {0x8, 0x1, r5}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}]}, 0x78}}, 0x40000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="2f244af8bb3941e8be5dd744954cddcc327d8fc7ec22a0b432445fb0757e57d8051426e5285eec38194adbd277e1f388f93192664f3828a392b08da424c962571f8db7da4c9bbc9ffd0f7456dd507e949fa9840f9e", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) 04:59:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x30000}]}, 0x4c}}, 0x0) 04:59:58 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x522000) 04:59:58 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, 0x0, 0x1, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x795cb554bab2aa9) [ 3505.756491] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. 04:59:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0xa}]}]}, 0x38}}, 0x0) 04:59:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x34000}]}, 0x4c}}, 0x0) 04:59:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000001001c000c000200000000000000000004000780"], 0x24}}, 0x0) 04:59:58 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x523000) 04:59:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 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$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r6, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0xdee6345c498c7ae8}, 0x200008d1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:59:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400300}]}, 0x4c}}, 0x0) 04:59:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0xa}]}]}, 0x2c}}, 0x0) [ 3505.947875] nbd: socks must be embedded in a SOCK_ITEM attr 04:59:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000001001c000c000200000000000000000004000780"], 0x24}}, 0x0) 04:59:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf0ffff}]}, 0x4c}}, 0x0) 04:59:58 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x524000) 04:59:58 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0xa}]}]}, 0x2c}}, 0x0) [ 3506.066892] nbd: must specify a size in bytes for the device [ 3506.081951] nbd: must specify an index to disconnect 04:59:58 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 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$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r6, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0xdee6345c498c7ae8}, 0x200008d1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r6, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0xdee6345c498c7ae8}, 0x200008d1) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 04:59:58 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100000000000000000001001c000c000200000000000000000004000780"], 0x24}}, 0x0) 04:59:58 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000000}]}, 0x4c}}, 0x0) 04:59:59 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x525000) 04:59:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0xa}]}]}, 0x2c}}, 0x0) [ 3506.197163] nbd: must specify a size in bytes for the device 04:59:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2000000}]}, 0x4c}}, 0x0) [ 3506.244569] nbd: must specify an index to disconnect 04:59:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r5, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20009010}, 0x44840) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000140)={0x34, r1, 0x10, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x801}, 0x0) 04:59:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0xa}]}]}, 0x2c}}, 0x0) 04:59:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) 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$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r6, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0xdee6345c498c7ae8}, 0x200008d1) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 3506.283340] nbd: must specify a size in bytes for the device 04:59:59 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x526000) 04:59:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3000000}]}, 0x4c}}, 0x0) 04:59:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r5, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20009010}, 0x44840) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000140)={0x34, r1, 0x10, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x801}, 0x0) 04:59:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 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$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r6, 0x200, 0x70bd28, 0x25dfdbff, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}]}, 0x48}, 0x1, 0x0, 0x0, 0xdee6345c498c7ae8}, 0x200008d1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 3506.396554] nbd: socks must be embedded in a SOCK_ITEM attr 04:59:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, 0x0, 0x0, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x4004000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r2, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x129}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '##$,((!--.,^'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x59}]}, 0x48}}, 0x4041) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$audion(&(0x7f00000002c0), 0xfffffffffffffff8, 0x80000) syz_open_dev$vcsu(&(0x7f0000000340), 0x4, 0x400) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000003c0)={0x14, r1, 0x1, 0x1, 0x2}, 0x14}, 0x1, 0x0, 0x0, 0x40000040}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:59:59 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x527000) 04:59:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4000000}]}, 0x4c}}, 0x0) 04:59:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$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) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x3c, r5, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20009010}, 0x44840) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000140)={0x34, r1, 0x10, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x34}, 0x1, 0x0, 0x0, 0x801}, 0x0) [ 3506.541157] nbd: must specify an index to disconnect 04:59:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf000}]}, 0x4c}}, 0x0) [ 3506.565473] nbd: must specify at least one socket 04:59:59 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x528000) 04:59:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5000000}]}, 0x4c}}, 0x0) 04:59:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, 0x0, 0x0, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x4004000) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r2, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x129}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '##$,((!--.,^'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x59}]}, 0x48}}, 0x4041) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_open_dev$audion(&(0x7f00000002c0), 0xfffffffffffffff8, 0x80000) syz_open_dev$vcsu(&(0x7f0000000340), 0x4, 0x400) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000003c0)={0x14, r1, 0x1, 0x1, 0x2}, 0x14}, 0x1, 0x0, 0x0, 0x40000040}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, 0x0, 0x0, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x4004000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r2, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x129}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '##$,((!--.,^'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x59}]}, 0x48}}, 0x4041) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$audion(&(0x7f00000002c0), 0xfffffffffffffff8, 0x80000) (async) syz_open_dev$vcsu(&(0x7f0000000340), 0x4, 0x400) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000003c0)={0x14, r1, 0x1, 0x1, 0x2}, 0x14}, 0x1, 0x0, 0x0, 0x40000040}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 04:59:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) ioctl$RTC_ALM_SET(r2, 0x40247007, &(0x7f0000000040)={0xd, 0x14, 0x16, 0x7, 0x6, 0xfffffbff, 0x1, 0x104}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r5) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="2cffc15723e5561d362df29e99204ee3ff00", @ANYRES16=r7, @ANYBLOB="00082bbd7000fbdbdf25020000000800020003000000080004000300000006000b001f000000"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x400c4) 04:59:59 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, 0x0, 0x1, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x795cb554bab2aa9) 04:59:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6000000}]}, 0x4c}}, 0x0) [ 3506.722861] nbd: must specify at least one socket 04:59:59 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x529000) 04:59:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7000000}]}, 0x4c}}, 0x0) 04:59:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000280), r0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) ioctl$KVM_CREATE_VM(r7, 0xae01, 0x0) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000140)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0xfe000000}}, './file0\x00'}) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x68, r2, 0x310, 0x70bd25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x5}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x31}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8}, {0x8, 0x1, r8}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x4}, 0x40010) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000340), 0x81, 0x0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000480)={&(0x7f00000003c0)={0x78, r1, 0x400, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r9}, {0x8, 0x1, r5}, {0x8, 0x1, r5}]}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1f}]}, 0x78}}, 0x40000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="2f244af8bb3941e8be5dd744954cddcc327d8fc7ec22a0b432445fb0757e57d8051426e5285eec38194adbd277e1f388f93192664f3828a392b08da424c962571f8db7da4c9bbc9ffd0f7456dd507e949fa9840f9e", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) 04:59:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x60, 0x0, 0x0, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @loopback}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x4004000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x48, r2, 0x400, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x129}, @NBD_ATTR_BACKEND_IDENTIFIER={0x10, 0xa, '##$,((!--.,^'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x59}]}, 0x48}}, 0x4041) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$audion(&(0x7f00000002c0), 0xfffffffffffffff8, 0x80000) (async) syz_open_dev$vcsu(&(0x7f0000000340), 0x4, 0x400) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000003c0)={0x14, r1, 0x1, 0x1, 0x2}, 0x14}, 0x1, 0x0, 0x0, 0x40000040}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 04:59:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) ioctl$RTC_ALM_SET(r2, 0x40247007, &(0x7f0000000040)={0xd, 0x14, 0x16, 0x7, 0x6, 0xfffffbff, 0x1, 0x104}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$netlbl_mgmt(&(0x7f0000000340), r5) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="2cffc15723e5561d362df29e99204ee3ff00", @ANYRES16=r7, @ANYBLOB="00082bbd7000fbdbdf25020000000800020003000000080004000300000006000b001f000000"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x400c4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) (async) ioctl$RTC_ALM_SET(r2, 0x40247007, &(0x7f0000000040)={0xd, 0x14, 0x16, 0x7, 0x6, 0xfffffbff, 0x1, 0x104}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r5) (async) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="2cffc15723e5561d362df29e99204ee3ff00", @ANYRES16=r7, @ANYBLOB="00082bbd7000fbdbdf25020000000800020003000000080004000300000006000b001f000000"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x400c4) (async) 04:59:59 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x52a000) 04:59:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8000000}]}, 0x4c}}, 0x0) 04:59:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) ioctl$RTC_ALM_SET(r2, 0x40247007, &(0x7f0000000040)={0xd, 0x14, 0x16, 0x7, 0x6, 0xfffffbff, 0x1, 0x104}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$netlbl_mgmt(&(0x7f0000000340), r5) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="2cffc15723e5561d362df29e99204ee3ff00", @ANYRES16=r7, @ANYBLOB="00082bbd7000fbdbdf25020000000800020003000000080004000300000006000b001f000000"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x400c4) 04:59:59 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x52b000) 04:59:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xa000000}]}, 0x4c}}, 0x0) [ 3506.985073] nbd: must specify at least one socket 04:59:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="2400fe00", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000580)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRESHEX=r4, @ANYBLOB="0100000000000000000002000000", @ANYBLOB="bcad7581b4c0cea3d5addf1328cece3265db5471f1fad640a5045f823d1aed2af8e0ac0b391cd5b64eedb9c13069dc0a3ce8b0d1f2f2789c4d21f6b3348b55f9bb33c9f4711e6e756d25b0f594192c5c26445ad7a31fd975f4790b6610efe3585c13290815c782e6630ad6393162f60a9050f9c92eec2582fc3afba4c522"], 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000001c0), r0) sendmsg$NLBL_MGMT_C_LISTDEF(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, r6, 0x1, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast2}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x40040}, 0x40010) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x3f}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x2b}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}]}, 0x54}, 0x1, 0x0, 0x0, 0x800}, 0x1) 04:59:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) ioctl$RTC_ALM_SET(r2, 0x40247007, &(0x7f0000000040)={0xd, 0x14, 0x16, 0x7, 0x6, 0xfffffbff, 0x1, 0x104}) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$netlbl_mgmt(&(0x7f0000000340), r5) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="2cffc15723e5561d362df29e99204ee3ff00", @ANYRES16=r7, @ANYBLOB="00082bbd7000fbdbdf25020000000800020003000000080004000300000006000b001f000000"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x400c4) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) (async) ioctl$RTC_ALM_SET(r2, 0x40247007, &(0x7f0000000040)={0xd, 0x14, 0x16, 0x7, 0x6, 0xfffffbff, 0x1, 0x104}) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r5) (async) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000140)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="2cffc15723e5561d362df29e99204ee3ff00", @ANYRES16=r7, @ANYBLOB="00082bbd7000fbdbdf25020000000800020003000000080004000300000006000b001f000000"], 0x2c}, 0x1, 0x0, 0x0, 0x20000000}, 0x400c4) (async) 04:59:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x2c}}, 0x0) 04:59:59 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="2400fe00", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000580)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRESHEX=r4, @ANYBLOB="0100000000000000000002000000", @ANYBLOB="bcad7581b4c0cea3d5addf1328cece3265db5471f1fad640a5045f823d1aed2af8e0ac0b391cd5b64eedb9c13069dc0a3ce8b0d1f2f2789c4d21f6b3348b55f9bb33c9f4711e6e756d25b0f594192c5c26445ad7a31fd975f4790b6610efe3585c13290815c782e6630ad6393162f60a9050f9c92eec2582fc3afba4c522"], 0x14}}, 0x0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000001c0), r0) sendmsg$NLBL_MGMT_C_LISTDEF(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, r6, 0x1, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast2}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x40040}, 0x40010) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x3f}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x2b}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}]}, 0x54}, 0x1, 0x0, 0x0, 0x800}, 0x1) 04:59:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf000000}]}, 0x4c}}, 0x0) 04:59:59 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x52c000) 04:59:59 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) io_setup(0x77, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 04:59:59 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4800}]}, 0x4c}}, 0x0) [ 3507.164091] nbd: must specify at least one socket 04:59:59 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x20000000}]}, 0x4c}}, 0x0) 05:00:00 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="2400fe00", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000580)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRESHEX=r4, @ANYBLOB="0100000000000000000002000000", @ANYBLOB="bcad7581b4c0cea3d5addf1328cece3265db5471f1fad640a5045f823d1aed2af8e0ac0b391cd5b64eedb9c13069dc0a3ce8b0d1f2f2789c4d21f6b3348b55f9bb33c9f4711e6e756d25b0f594192c5c26445ad7a31fd975f4790b6610efe3585c13290815c782e6630ad6393162f60a9050f9c92eec2582fc3afba4c522"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000580)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRESHEX=r4, @ANYBLOB="0100000000000000000002000000", @ANYBLOB="bcad7581b4c0cea3d5addf1328cece3265db5471f1fad640a5045f823d1aed2af8e0ac0b391cd5b64eedb9c13069dc0a3ce8b0d1f2f2789c4d21f6b3348b55f9bb33c9f4711e6e756d25b0f594192c5c26445ad7a31fd975f4790b6610efe3585c13290815c782e6630ad6393162f60a9050f9c92eec2582fc3afba4c522"], 0x14}}, 0x0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000001c0), r0) (async) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000001c0), r0) sendmsg$NLBL_MGMT_C_LISTDEF(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, r6, 0x1, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast2}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x40040}, 0x40010) (async) sendmsg$NLBL_MGMT_C_LISTDEF(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x30, r6, 0x1, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast2}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x40040}, 0x40010) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x0, 0x200, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x3f}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x2b}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}]}, 0x54}, 0x1, 0x0, 0x0, 0x800}, 0x1) 05:00:00 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x52d000) 05:00:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xa00}]}, 0x4c}}, 0x0) 05:00:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000200), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x54, r3, 0x200, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '{\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000001}, 0x20) socketpair(0x14, 0x5, 0x4, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000080)={0x44, r1, 0x4, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0x44}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4001}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, 0x0, 0x800, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000011}, 0x40000084) 05:00:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) io_setup(0x77, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:00 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x52e000) 05:00:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3f000000}]}, 0x4c}}, 0x0) 05:00:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000200), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x54, r3, 0x200, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '{\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000001}, 0x20) (async) socketpair(0x14, 0x5, 0x4, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000080)={0x44, r1, 0x4, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0x44}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4001}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, 0x0, 0x800, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000011}, 0x40000084) 05:00:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x48000000}]}, 0x4c}}, 0x0) 05:00:00 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x52f000) 05:00:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000200), r0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x54, r3, 0x200, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '{\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000001}, 0x20) socketpair(0x14, 0x5, 0x4, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000080)={0x44, r1, 0x4, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0x44}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4001}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, 0x0, 0x800, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000011}, 0x40000084) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000200), r0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x54, r3, 0x200, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_DOMAIN={0x6, 0x1, '{\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x54}, 0x1, 0x0, 0x0, 0x20000001}, 0x20) (async) socketpair(0x14, 0x5, 0x4, &(0x7f0000000040)) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000080)={0x44, r1, 0x4, 0xfffffffe, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x24, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8, 0x1, r4}]}]}, 0x44}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4001}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x38, 0x0, 0x800, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x4000011}, 0x40000084) (async) 05:00:00 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) io_setup(0x77, &(0x7f0000000000)) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:00 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x530000) 05:00:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:00 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x531000) 05:00:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x383240, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x88, r3, 0x200, 0x3ff, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '#'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '\xc0\xe6/('}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x88}, 0x1, 0x0, 0x0, 0x80c0}, 0x4000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100feffffff007022aa77a82ec575b31b1e0922000000010000000c94d0673100400000000008040007800c0006000100000000000000980e5ab8a295ce8ae625e821e25f8b8ba1f2acb1ce1f4d13a3b1ea684d4f268ba1b6c3935cf0b85dedcc769a86846b4b83a4014d309b09081048c1453947fe9c3d02814987d4a1dfb53772fc7cefaf915d292cb85aaef843f6a53da0350d93730cbf64e3ba7d949cfcb59d8cb7d2664a93c095d41679950808002403eceaf9bc770f60bc31c661761951fa188859522532c1b1574267c7476df58cbde112dd6f3879590bd05dc56e0741002111d8d175f7cd84037ed5c390be2b76f640"], 0x30}, 0x1, 0x0, 0x0, 0x4008000}, 0x8010) 05:00:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4c000000}]}, 0x4c}}, 0x0) 05:00:00 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_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:00 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x532000) 05:00:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5e1af2a4}]}, 0x4c}}, 0x0) 05:00:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x383240, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x88, r3, 0x200, 0x3ff, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '#'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '\xc0\xe6/('}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x88}, 0x1, 0x0, 0x0, 0x80c0}, 0x4000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100feffffff007022aa77a82ec575b31b1e0922000000010000000c94d0673100400000000008040007800c0006000100000000000000980e5ab8a295ce8ae625e821e25f8b8ba1f2acb1ce1f4d13a3b1ea684d4f268ba1b6c3935cf0b85dedcc769a86846b4b83a4014d309b09081048c1453947fe9c3d02814987d4a1dfb53772fc7cefaf915d292cb85aaef843f6a53da0350d93730cbf64e3ba7d949cfcb59d8cb7d2664a93c095d41679950808002403eceaf9bc770f60bc31c661761951fa188859522532c1b1574267c7476df58cbde112dd6f3879590bd05dc56e0741002111d8d175f7cd84037ed5c390be2b76f640"], 0x30}, 0x1, 0x0, 0x0, 0x4008000}, 0x8010) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 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$nbd(&(0x7f0000000140), r0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) (async) openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x383240, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x88, r3, 0x200, 0x3ff, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '#'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '\xc0\xe6/('}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x88}, 0x1, 0x0, 0x0, 0x80c0}, 0x4000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100feffffff007022aa77a82ec575b31b1e0922000000010000000c94d0673100400000000008040007800c0006000100000000000000980e5ab8a295ce8ae625e821e25f8b8ba1f2acb1ce1f4d13a3b1ea684d4f268ba1b6c3935cf0b85dedcc769a86846b4b83a4014d309b09081048c1453947fe9c3d02814987d4a1dfb53772fc7cefaf915d292cb85aaef843f6a53da0350d93730cbf64e3ba7d949cfcb59d8cb7d2664a93c095d41679950808002403eceaf9bc770f60bc31c661761951fa188859522532c1b1574267c7476df58cbde112dd6f3879590bd05dc56e0741002111d8d175f7cd84037ed5c390be2b76f640"], 0x30}, 0x1, 0x0, 0x0, 0x4008000}, 0x8010) (async) 05:00:00 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x800, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:00 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x533000) 05:00:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60000000}]}, 0x4c}}, 0x0) 05:00:00 executing program 2: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'veth1_to_batadv\x00', 0x0}) sendmsg$FOU_CMD_ADD(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x0, 0x400, 0x70bd25, 0x25dfdbfc, {}, [@FOU_ATTR_IFINDEX={0x8, 0xb, r0}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @rand_addr=' \x01\x00'}, @FOU_ATTR_TYPE={0x5}, @FOU_ATTR_TYPE={0x5, 0x4, 0x2}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @private1}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4}]}, 0x58}, 0x1, 0x0, 0x0, 0x20000001}, 0x20000008) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(0xffffffffffffffff, 0x6, 0x16, &(0x7f0000000180)=[@window={0x3, 0x8}, @mss={0x2, 0x101}, @window={0x3, 0x1000, 0x3}, @window={0x3, 0x13ba, 0x8}, @window={0x3, 0x7, 0x4a}, @timestamp], 0x6) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004002a80"], 0x24}}, 0x0) ioctl$sock_inet6_tcp_SIOCOUTQNSD(0xffffffffffffffff, 0x894b, &(0x7f00000001c0)) 05:00:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r0) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) (async, rerun: 64) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (rerun: 64) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) (async) r6 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x383240, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000280)={&(0x7f00000001c0)={0x88, r3, 0x200, 0x3ff, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '#'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x9}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, '\xc0\xe6/('}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8}, {0x8, 0x1, r5}, {0x8}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x88}, 0x1, 0x0, 0x0, 0x80c0}, 0x4000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100feffffff007022aa77a82ec575b31b1e0922000000010000000c94d0673100400000000008040007800c0006000100000000000000980e5ab8a295ce8ae625e821e25f8b8ba1f2acb1ce1f4d13a3b1ea684d4f268ba1b6c3935cf0b85dedcc769a86846b4b83a4014d309b09081048c1453947fe9c3d02814987d4a1dfb53772fc7cefaf915d292cb85aaef843f6a53da0350d93730cbf64e3ba7d949cfcb59d8cb7d2664a93c095d41679950808002403eceaf9bc770f60bc31c661761951fa188859522532c1b1574267c7476df58cbde112dd6f3879590bd05dc56e0741002111d8d175f7cd84037ed5c390be2b76f640"], 0x30}, 0x1, 0x0, 0x0, 0x4008000}, 0x8010) 05:00:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:00 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x534000) 05:00:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x68000000}]}, 0x4c}}, 0x0) 05:00:00 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) [ 3508.020792] nbd: must specify at least one socket 05:00:00 executing program 2: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'veth1_to_batadv\x00', 0x0}) sendmsg$FOU_CMD_ADD(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x0, 0x400, 0x70bd25, 0x25dfdbfc, {}, [@FOU_ATTR_IFINDEX={0x8, 0xb, r0}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @rand_addr=' \x01\x00'}, @FOU_ATTR_TYPE={0x5}, @FOU_ATTR_TYPE={0x5, 0x4, 0x2}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @private1}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4}]}, 0x58}, 0x1, 0x0, 0x0, 0x20000001}, 0x20000008) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) (async) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(0xffffffffffffffff, 0x6, 0x16, &(0x7f0000000180)=[@window={0x3, 0x8}, @mss={0x2, 0x101}, @window={0x3, 0x1000, 0x3}, @window={0x3, 0x13ba, 0x8}, @window={0x3, 0x7, 0x4a}, @timestamp], 0x6) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004002a80"], 0x24}}, 0x0) (async) ioctl$sock_inet6_tcp_SIOCOUTQNSD(0xffffffffffffffff, 0x894b, &(0x7f00000001c0)) 05:00:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x4, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}]}, 0x24}}, 0x24044010) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)={0x48, r1, 0x200}, 0x48}, 0x1, 0x0, 0x0, 0x8050}, 0x0) 05:00:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6c000000}]}, 0x4c}}, 0x0) 05:00:00 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x535000) 05:00:00 executing program 2: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'veth1_to_batadv\x00', 0x0}) sendmsg$FOU_CMD_ADD(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x58, 0x0, 0x400, 0x70bd25, 0x25dfdbfc, {}, [@FOU_ATTR_IFINDEX={0x8, 0xb, r0}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @rand_addr=' \x01\x00'}, @FOU_ATTR_TYPE={0x5}, @FOU_ATTR_TYPE={0x5, 0x4, 0x2}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @private1}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4}]}, 0x58}, 0x1, 0x0, 0x0, 0x20000001}, 0x20000008) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) (async) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(0xffffffffffffffff, 0x6, 0x16, &(0x7f0000000180)=[@window={0x3, 0x8}, @mss={0x2, 0x101}, @window={0x3, 0x1000, 0x3}, @window={0x3, 0x13ba, 0x8}, @window={0x3, 0x7, 0x4a}, @timestamp], 0x6) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004002a80"], 0x24}}, 0x0) ioctl$sock_inet6_tcp_SIOCOUTQNSD(0xffffffffffffffff, 0x894b, &(0x7f00000001c0)) 05:00:00 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x74000000}]}, 0x4c}}, 0x0) [ 3508.136874] nbd: must specify at least one socket 05:00:00 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:00 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x4, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}]}, 0x24}}, 0x24044010) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)={0x48, r1, 0x200}, 0x48}, 0x1, 0x0, 0x0, 0x8050}, 0x0) 05:00:01 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x536000) 05:00:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x48001, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) socketpair(0x1d, 0x2, 0xb743, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)={0x3c, 0x0, 0x1, 0x70bd25, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xffffffffffffff9e, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x0, 0x1, r4}, {0x0, 0x1, r5}]}]}, 0x3c}}, 0x0) [ 3508.244050] nbd: must specify at least one socket 05:00:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7a000000}]}, 0x4c}}, 0x0) 05:00:01 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x4, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}]}, 0x24}}, 0x24044010) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)={0x48, r1, 0x200}, 0x48}, 0x1, 0x0, 0x0, 0x8050}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x4, 0x70bd2b, 0x25dfdbfc, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x28}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}]}, 0x24}}, 0x24044010) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)={0x48, r1, 0x200}, 0x48}, 0x1, 0x0, 0x0, 0x8050}, 0x0) (async) 05:00:01 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x537000) 05:00:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x48001, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async, rerun: 64) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (rerun: 64) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) (async) socketpair(0x1d, 0x2, 0xb743, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)={0x3c, 0x0, 0x1, 0x70bd25, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xffffffffffffff9e, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x0, 0x1, r4}, {0x0, 0x1, r5}]}]}, 0x3c}}, 0x0) 05:00:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9effffff}]}, 0x4c}}, 0x0) 05:00:01 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:01 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x538000) 05:00:01 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100000000dc83ea4eb3b62a3b000004000002000000acb0ef618ae8a5"], 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x14, r1, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000400}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x50, r6, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x24000000) 05:00:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xa4f21a5e}]}, 0x4c}}, 0x0) 05:00:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000000), 0x48001, 0x0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) (async) socketpair(0x1d, 0x2, 0xb743, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)={0x3c, 0x0, 0x1, 0x70bd25, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xffffffffffffff9e, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0x1, r1}, {0x8, 0x1, r2}, {0x0, 0x1, r4}, {0x0, 0x1, r5}]}]}, 0x3c}}, 0x0) 05:00:01 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) [ 3508.551145] nbd: must specify at least one socket 05:00:01 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100000000dc83ea4eb3b62a3b000004000002000000acb0ef618ae8a5"], 0x14}}, 0x0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x14, r1, 0x1}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000400}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x50, r6, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x24000000) 05:00:01 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x539000) 05:00:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x74, r5, 0x10, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '-,!:-%^\xb0&\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x74}, 0x1, 0x0, 0x0, 0xc4844}, 0x800) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000007904000000010000000c00020018e2e4ffffffff0303000780"], 0x24}}, 0x0) 05:00:01 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf0ffffff}]}, 0x4c}}, 0x0) 05:00:01 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100000000dc83ea4eb3b62a3b000004000002000000acb0ef618ae8a5"], 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x14, r1, 0x1}, 0x14}}, 0x0) syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r3, &(0x7f0000000240)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x4000400}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x50, r6, 0x400, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x24000000) 05:00:01 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x53a000) 05:00:01 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffff000}]}, 0x4c}}, 0x0) [ 3508.724593] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3508.762703] nbd: must specify at least one socket 05:00:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x74, r5, 0x10, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '-,!:-%^\xb0&\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x74}, 0x1, 0x0, 0x0, 0xc4844}, 0x800) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000007904000000010000000c00020018e2e4ffffffff0303000780"], 0x24}}, 0x0) [ 3508.827649] nbd: must specify at least one socket 05:00:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r4, 0x1}, 0x14}}, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) ioctl$RTC_UIE_OFF(r7, 0x7004) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, r1, 0x800, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x804}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000003}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x6c}, 0x1, 0x0, 0x0, 0xc000}, 0x4000000) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x200, 0x70bd29, 0x7, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0xc010) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:01 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x53b000) 05:00:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffff7f}]}, 0x4c}}, 0x0) 05:00:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:01 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x53c000) [ 3508.960052] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3508.993921] nbd: must specify at least one socket 05:00:01 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 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$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x74, r5, 0x10, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '-,!:-%^\xb0&\x00'}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x26}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x74}, 0x1, 0x0, 0x0, 0xc4844}, 0x800) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000007904000000010000000c00020018e2e4ffffffff0303000780"], 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000007904000000010000000c00020018e2e4ffffffff0303000780"], 0x24}}, 0x0) [ 3509.012726] nbd: must specify an index to disconnect 05:00:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffff9e}]}, 0x4c}}, 0x0) 05:00:01 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r4, 0x1}, 0x14}}, 0x0) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) ioctl$RTC_UIE_OFF(r7, 0x7004) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, r1, 0x800, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x804}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000003}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x6c}, 0x1, 0x0, 0x0, 0xc000}, 0x4000000) (async) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x200, 0x70bd29, 0x7, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0xc010) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:01 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:01 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x53d000) 05:00:01 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffff0}]}, 0x4c}}, 0x0) [ 3509.138803] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3509.162359] nbd: must specify at least one socket [ 3509.178956] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 05:00:02 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x53e000) [ 3509.201489] nbd: must specify at least one socket 05:00:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r3) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r4, 0x1}, 0x14}}, 0x0) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) ioctl$RTC_UIE_OFF(r7, 0x7004) (async) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async, rerun: 64) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x6c, r1, 0x800, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x804}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x400000003}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xf2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}]}, 0x6c}, 0x1, 0x0, 0x0, 0xc000}, 0x4000000) (async) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x2c, r4, 0x200, 0x70bd29, 0x7, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}]}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000}, 0xc010) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r9, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x1000000000000}]}, 0x4c}}, 0x0) 05:00:02 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x53f000) 05:00:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:02 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) [ 3509.380318] nbd: must specify an index to disconnect 05:00:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3000000000000}]}, 0x4c}}, 0x0) 05:00:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup.net/syz1\x00', 0x200002, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='\b\x00\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x540000) 05:00:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x40030000000000}]}, 0x4c}}, 0x0) 05:00:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup.net/syz1\x00', 0x200002, 0x0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='\b\x00\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x541000) 05:00:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf0ffffffffffff}]}, 0x4c}}, 0x0) 05:00:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000080)='./cgroup.net/syz1\x00', 0x200002, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='\b\x00\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x7c, 0x0, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffe}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x80) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x2c}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x18}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000001}, 0x800) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="0100ebff030000c6ea22bc52fa675d537d789366f1000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x542000) 05:00:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) socketpair(0x10, 0x2, 0x9, &(0x7f0000000340)={0xffffffffffffffff}) r17 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r17, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}, {0x8, 0x1, r17}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x7c, 0x0, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffe}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x80) (async, rerun: 32) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x2c}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x18}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000001}, 0x800) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="0100ebff030000c6ea22bc52fa675d537d789366f1000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x100000000000000}]}, 0x4c}}, 0x0) 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x543000) 05:00:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005f0c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005f2c0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005f4c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000005f6c0)={0x9, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0xf9, "fa332c0d2f0dad"}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000606c0)={{0x0, 0x5, 0x7, 0x8c6, 0x9, 0x3, 0x5, 0x7, 0x20, 0x28f3069e, 0x1, 0xfffffffffffffffc, 0x9, 0x8, 0x6}}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000616c0)={0x8, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x40, "89fe5b1e01b6c8"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000626c0)={0x8, [{}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}], 0x5, "8b5bad9bb14af9"}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000636c0)={{0x0, 0xe9, 0x8, 0x6, 0xa4c3, 0x8, 0xffffffff, 0x401, 0xd7a, 0x2, 0x80, 0x1, 0xa0, 0x33, 0xffffffff}}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000646c0)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000648c0)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x3, "2003f440bd155a"}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000658c0)={{0x0, 0x6, 0x3, 0x5, 0x8, 0x8, 0x8, 0x7, 0x4951, 0x20, 0x8, 0x5, 0x2, 0x9, 0xfff}}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000668c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000066ac0)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000066cc0)={0xffffffffffffffff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x8, "80b0a0aa80878c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000067cc0)={0x6, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x25, "3a86a79c4dc2b2"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000068cc0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000068ec0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000690c0)={{0x0, 0x6, 0x0, 0x1, 0x2722, 0x5, 0x1f, 0x9, 0x3, 0x2, 0x6e544fc1, 0x5, 0x0, 0x3}}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006a0c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006a2c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006a4c0)={0x9, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x1f, "632afa5b2e8194"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006b4c0)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006b6c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006b8c0)={0x7ff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x7, "6433ea035d7118"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006c8c0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006cac0)={0x1167511f, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r1}, {}, {}, {r2, r3}, {}, {r5}, {}, {}, {r6}, {r7, r8}, {}, {r9}, {r10}, {r11}, {}, {r12, r13}, {}, {r14, r15}, {}, {r16, r17}, {}, {}, {}, {0x0, r18}, {r19}, {0x0, r20}, {0x0, r21}, {r22}, {r23}, {}, {}, {0x0, r24}, {r25}, {r26}], 0x0, "ec11139fe2e6cf"}) r27 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r28 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r28, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="24000020175eeb59eb89816d367da9532fa7ff771ddf87876bce9864f883040000000728508c8d69fd89b9397310d467a1d87b8e8db83111054e57b710b43d33b239612211ae2d39518ba49a5e8b67158cb0c0691732e6a012a4441da76b2fbd3ae1fd8802dcd53c945a0d45008e2c155d1e9cd2df37568934de3b2c4a322bb77d49da1b21fc73228ae4ccaf42249bbdffe7b00f39", @ANYRES16=r27, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) [ 3509.890505] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3509.910122] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x544000) 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x545000) [ 3509.936331] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3509.946500] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3509.961674] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3509.970328] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x546000) 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x547000) [ 3509.987337] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3509.997624] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x548000) 05:00:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x200000000000000}]}, 0x4c}}, 0x0) 05:00:02 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async, rerun: 32) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) (async) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) (async) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) (async, rerun: 32) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) (rerun: 32) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) (async) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) (async) r15 = socket(0x1f, 0x5, 0xfffffe01) (async, rerun: 64) socketpair(0x10, 0x2, 0x9, &(0x7f0000000340)={0xffffffffffffffff}) (async, rerun: 64) r17 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r17, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}, {0x8, 0x1, r17}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:02 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x7c, 0x0, 0x200, 0x70bd25, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x3}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x81}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7fffffff}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffe}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4}, 0x80) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x38, 0x0, 0x400, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x2c}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x18}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000001}, 0x800) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="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", @ANYRES16=r2, @ANYBLOB="0100ebff030000c6ea22bc52fa675d537d789366f1000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x549000) 05:00:02 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005f0c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005f2c0)={0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005f4c0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000005f6c0)={0x9, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0xf9, "fa332c0d2f0dad"}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000606c0)={{0x0, 0x5, 0x7, 0x8c6, 0x9, 0x3, 0x5, 0x7, 0x20, 0x28f3069e, 0x1, 0xfffffffffffffffc, 0x9, 0x8, 0x6}}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000616c0)={0x8, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x40, "89fe5b1e01b6c8"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000626c0)={0x8, [{}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}], 0x5, "8b5bad9bb14af9"}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000636c0)={{0x0, 0xe9, 0x8, 0x6, 0xa4c3, 0x8, 0xffffffff, 0x401, 0xd7a, 0x2, 0x80, 0x1, 0xa0, 0x33, 0xffffffff}}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000646c0)={0x0, ""/256, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000648c0)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x3, "2003f440bd155a"}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000658c0)={{0x0, 0x6, 0x3, 0x5, 0x8, 0x8, 0x8, 0x7, 0x4951, 0x20, 0x8, 0x5, 0x2, 0x9, 0xfff}}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000668c0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000066ac0)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000066cc0)={0xffffffffffffffff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x8, "80b0a0aa80878c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000067cc0)={0x6, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x25, "3a86a79c4dc2b2"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000068cc0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000068ec0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000690c0)={{0x0, 0x6, 0x0, 0x1, 0x2722, 0x5, 0x1f, 0x9, 0x3, 0x2, 0x6e544fc1, 0x5, 0x0, 0x3}}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006a0c0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006a2c0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006a4c0)={0x9, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x1f, "632afa5b2e8194"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006b4c0)={0x0, ""/256, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006b6c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006b8c0)={0x7ff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x7, "6433ea035d7118"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006c8c0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006cac0)={0x1167511f, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r1}, {}, {}, {r2, r3}, {}, {r5}, {}, {}, {r6}, {r7, r8}, {}, {r9}, {r10}, {r11}, {}, {r12, r13}, {}, {r14, r15}, {}, {r16, r17}, {}, {}, {}, {0x0, r18}, {r19}, {0x0, r20}, {0x0, r21}, {r22}, {r23}, {}, {}, {0x0, r24}, {r25}, {r26}], 0x0, "ec11139fe2e6cf"}) (async) r27 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r28 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r28, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="24000020175eeb59eb89816d367da9532fa7ff771ddf87876bce9864f883040000000728508c8d69fd89b9397310d467a1d87b8e8db83111054e57b710b43d33b239612211ae2d39518ba49a5e8b67158cb0c0691732e6a012a4441da76b2fbd3ae1fd8802dcd53c945a0d45008e2c155d1e9cd2df37568934de3b2c4a322bb77d49da1b21fc73228ae4ccaf42249bbdffe7b00f39", @ANYRES16=r27, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:02 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:02 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x300000000000000}]}, 0x4c}}, 0x0) 05:00:02 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x54a000) [ 3510.243853] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3510.257629] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 05:00:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) (async) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) (async) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) (async) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) (async) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) (async) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) (async) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) (async) r15 = socket(0x1f, 0x5, 0xfffffe01) (async) socketpair(0x10, 0x2, 0x9, &(0x7f0000000340)={0xffffffffffffffff}) (async) r17 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r17, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}, {0x8, 0x1, r17}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005f0c0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005f2c0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000005f4c0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000005f6c0)={0x9, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0xf9, "fa332c0d2f0dad"}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000606c0)={{0x0, 0x5, 0x7, 0x8c6, 0x9, 0x3, 0x5, 0x7, 0x20, 0x28f3069e, 0x1, 0xfffffffffffffffc, 0x9, 0x8, 0x6}}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000616c0)={0x8, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x40, "89fe5b1e01b6c8"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000626c0)={0x8, [{}, {}, {}, {}, {}, {}, {0x0, 0x0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}], 0x5, "8b5bad9bb14af9"}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000636c0)={{0x0, 0xe9, 0x8, 0x6, 0xa4c3, 0x8, 0xffffffff, 0x401, 0xd7a, 0x2, 0x80, 0x1, 0xa0, 0x33, 0xffffffff}}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000646c0)={0x0, ""/256, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f00000648c0)={0x0, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x3, "2003f440bd155a"}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000658c0)={{0x0, 0x6, 0x3, 0x5, 0x8, 0x8, 0x8, 0x7, 0x4951, 0x20, 0x8, 0x5, 0x2, 0x9, 0xfff}}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000668c0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000066ac0)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000066cc0)={0xffffffffffffffff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x8, "80b0a0aa80878c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000067cc0)={0x6, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x25, "3a86a79c4dc2b2"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000068cc0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000068ec0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000690c0)={{0x0, 0x6, 0x0, 0x1, 0x2722, 0x5, 0x1f, 0x9, 0x3, 0x2, 0x6e544fc1, 0x5, 0x0, 0x3}}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006a0c0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006a2c0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006a4c0)={0x9, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x1f, "632afa5b2e8194"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006b4c0)={0x0, ""/256, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006b6c0)={0x0, ""/256, 0x0, 0x0}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006b8c0)={0x7ff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x7, "6433ea035d7118"}) (async) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000006c8c0)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000006cac0)={0x1167511f, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r1}, {}, {}, {r2, r3}, {}, {r5}, {}, {}, {r6}, {r7, r8}, {}, {r9}, {r10}, {r11}, {}, {r12, r13}, {}, {r14, r15}, {}, {r16, r17}, {}, {}, {}, {0x0, r18}, {r19}, {0x0, r20}, {0x0, r21}, {r22}, {r23}, {}, {}, {0x0, r24}, {r25}, {r26}], 0x0, "ec11139fe2e6cf"}) r27 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r28 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r28, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="24000020175eeb59eb89816d367da9532fa7ff771ddf87876bce9864f883040000000728508c8d69fd89b9397310d467a1d87b8e8db83111054e57b710b43d33b239612211ae2d39518ba49a5e8b67158cb0c0691732e6a012a4441da76b2fbd3ae1fd8802dcd53c945a0d45008e2c155d1e9cd2df37568934de3b2c4a322bb77d49da1b21fc73228ae4ccaf42249bbdffe7b00f39", @ANYRES16=r27, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:03 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x54b000) 05:00:03 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x54c000) 05:00:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x400000000000000}]}, 0x4c}}, 0x0) 05:00:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7b4c}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000000}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000000}, 0x20004010) 05:00:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042a9e7000fbdbdf2504000000080001006e626400080001006e626400080004000100000006000b000d00000006000b00230000000800040001000000"], 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:03 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x54d000) 05:00:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x500000000000000}]}, 0x4c}}, 0x0) 05:00:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 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$netlbl_mgmt(&(0x7f0000000340), r2) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x9c010004}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x5c, r4, 0x10, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40840}, 0x4000010) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, 0x0, 0x40d, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}]}, 0x40}, 0x1, 0x0, 0x0, 0x4004840}, 0x6048010) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x24, 0x0, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x4}, 0x4005) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100000000f9a9bcc322d25639f8b33400000000000100020055090000000c00020000"], 0x24}}, 0x0) r7 = syz_init_net_socket$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$netlbl_mgmt(&(0x7f0000000340), r8) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(r7, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, r10, 0x400, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x0) sendmsg$FOU_CMD_DEL(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, 0x0, 0x20, 0x70bd29, 0x25dfdbfd, {}, [@FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e22}, @FOU_ATTR_IFINDEX={0x8}, @FOU_ATTR_PORT={0x6, 0x1, 0x4e24}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @private0={0xfc, 0x0, '\x00', 0x1}}, @FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e23}, @FOU_ATTR_IPPROTO={0x5, 0x3, 0x32}, @FOU_ATTR_LOCAL_V4={0x8, 0x6, @local}]}, 0x58}, 0x1, 0x0, 0x0, 0xc005}, 0x20000000) 05:00:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7b4c}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000000}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000000}, 0x20004010) 05:00:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042a9e7000fbdbdf2504000000080001006e626400080001006e626400080004000100000006000b000d00000006000b00230000000800040001000000"], 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x600000000000000}]}, 0x4c}}, 0x0) 05:00:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x100, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7b4c}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1000000}]}, 0x30}, 0x1, 0x0, 0x0, 0x20000000}, 0x20004010) 05:00:03 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x54e000) 05:00:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r2) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x9c010004}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x5c, r4, 0x10, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40840}, 0x4000010) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, 0x0, 0x40d, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}]}, 0x40}, 0x1, 0x0, 0x0, 0x4004840}, 0x6048010) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x24, 0x0, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x4}, 0x4005) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100000000f9a9bcc322d25639f8b33400000000000100020055090000000c00020000"], 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100000000f9a9bcc322d25639f8b33400000000000100020055090000000c00020000"], 0x24}}, 0x0) r7 = syz_init_net_socket$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$netlbl_mgmt(&(0x7f0000000340), r8) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(r7, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, r10, 0x400, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTALL(r7, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, r10, 0x400, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x0) sendmsg$FOU_CMD_DEL(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, 0x0, 0x20, 0x70bd29, 0x25dfdbfd, {}, [@FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e22}, @FOU_ATTR_IFINDEX={0x8}, @FOU_ATTR_PORT={0x6, 0x1, 0x4e24}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @private0={0xfc, 0x0, '\x00', 0x1}}, @FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e23}, @FOU_ATTR_IPPROTO={0x5, 0x3, 0x32}, @FOU_ATTR_LOCAL_V4={0x8, 0x6, @local}]}, 0x58}, 0x1, 0x0, 0x0, 0xc005}, 0x20000000) (async) sendmsg$FOU_CMD_DEL(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, 0x0, 0x20, 0x70bd29, 0x25dfdbfd, {}, [@FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e22}, @FOU_ATTR_IFINDEX={0x8}, @FOU_ATTR_PORT={0x6, 0x1, 0x4e24}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @private0={0xfc, 0x0, '\x00', 0x1}}, @FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e23}, @FOU_ATTR_IPPROTO={0x5, 0x3, 0x32}, @FOU_ATTR_LOCAL_V4={0x8, 0x6, @local}]}, 0x58}, 0x1, 0x0, 0x0, 0xc005}, 0x20000000) 05:00:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x700000000000000}]}, 0x4c}}, 0x0) 05:00:03 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042a9e7000fbdbdf2504000000080001006e626400080001006e626400080004000100000006000b000d00000006000b00230000000800040001000000"], 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:03 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x54f000) 05:00:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x800000000000000}]}, 0x4c}}, 0x0) 05:00:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r2) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x9c010004}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x5c, r4, 0x10, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}]}, 0x5c}, 0x1, 0x0, 0x0, 0x40840}, 0x4000010) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x40, 0x0, 0x40d, 0x70bd2b, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}]}, 0x40}, 0x1, 0x0, 0x0, 0x4004840}, 0x6048010) (async, rerun: 64) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)={0x24, 0x0, 0x400, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x24}, 0x1, 0x0, 0x0, 0x4}, 0x4005) (async) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="0100000000f9a9bcc322d25639f8b33400000000000100020055090000000c00020000"], 0x24}}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r8) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTALL(r7, &(0x7f0000000680)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, r10, 0x400, 0x70bd26, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x10}, 0x0) sendmsg$FOU_CMD_DEL(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x58, 0x0, 0x20, 0x70bd29, 0x25dfdbfd, {}, [@FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e22}, @FOU_ATTR_IFINDEX={0x8}, @FOU_ATTR_PORT={0x6, 0x1, 0x4e24}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @private0={0xfc, 0x0, '\x00', 0x1}}, @FOU_ATTR_PEER_PORT={0x6, 0xa, 0x4e23}, @FOU_ATTR_IPPROTO={0x5, 0x3, 0x32}, @FOU_ATTR_LOCAL_V4={0x8, 0x6, @local}]}, 0x58}, 0x1, 0x0, 0x0, 0xc005}, 0x20000000) 05:00:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 05:00:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xa00000000000000}]}, 0x4c}}, 0x0) 05:00:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf00000000000000}]}, 0x4c}}, 0x0) 05:00:03 executing program 4: r0 = syz_open_dev$audion(&(0x7f0000000140), 0x7, 0x2080) syz_genetlink_get_family_id$fou(&(0x7f0000000100), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000600)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x60, r2, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, ',**--})(3).'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x60}, 0x1, 0x0, 0x0, 0x20004840}, 0x24004000) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) ioctl$KVM_CHECK_EXTENSION(r4, 0xae03, 0x1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000660000000100fbffffffffffffff000000000700000000000000d3c8f704d355a51d129bb75453d8fc5de6d95bf5a6ec825e28f4c88b76d549cbd0ecec63e72347fef2a69129f79dc9d79e735618b0a49e348e85f5c9128e4c1f9ef2b57812b35a83f9740602000000000000002c648a9abd47b76048a95407978c5c81f1795b3c1b50ba3a8e9cbdb81687579ad81fa32e793743d3e4b260"], 0x24}}, 0x0) r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000180), 0x279801, 0x0) r7 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), r0) sendmsg$NL80211_CMD_RADAR_DETECT(r6, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x58, r7, 0x20, 0x70bd26, 0x25dfdbff, {{}, {@void, @val={0xc, 0x99, {0xfffffffb, 0x7}}}}, [@NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5, 0x119, 0xb}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}, @NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5, 0x119, 0x6}, @NL80211_ATTR_CHANNEL_WIDTH={0x8, 0x9f, 0x6}, @NL80211_ATTR_WIPHY_FREQ_OFFSET={0x8, 0x122, 0x288}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8, 0x27, 0x1}, @NL80211_ATTR_CENTER_FREQ2={0x8, 0xa1, 0x800}]}, 0x58}, 0x1, 0x0, 0x0, 0x81}, 0x8000) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r9) sendmsg$NLBL_MGMT_C_REMOVE(r10, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r11, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x24, r11, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x4}, 0x4008000) 05:00:03 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x550000) 05:00:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10004008}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0xc04c010}, 0x81) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000140)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x2c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r4, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1, 0x0, 0x0, {{}, {@void, @void}}}, 0x14}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'wlan0\x00', 0x0}) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r7, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r8, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @void}}}, 0x1c}}, 0x0) sendmsg$NL80211_CMD_UPDATE_FT_IES(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80801041}, 0xc, &(0x7f00000003c0)={&(0x7f0000000480)={0xf8, r8, 0x800, 0x70bd26, 0x25dfdbff, {{}, {@val={0x8, 0x3, r6}, @val={0xc, 0x99, {0x4, 0x7d}}}}, [@NL80211_ATTR_MDID={0x6, 0xb1, 0xf}, @NL80211_ATTR_MDID={0x6}, @NL80211_ATTR_IE={0xa5, 0x2a, [@mesh_id={0x72, 0x6}, @channel_switch={0x25, 0x3, {0x0, 0x28, 0x8}}, @measure_req={0x26, 0x50, {0x20, 0x4, 0x11, "8930a387543d3aca641f927fccea57e695b1f22fd5361f6b536ff23c7c4266809c6753f6e7b6c09ad11b741313fa6523eeaa3d099c75dcfaa28a0ca838e8344bce2a77020dbf1fce53dd5d911a"}}, @ext_channel_switch={0x3c, 0x4, {0x1, 0x5, 0xb4, 0xd8}}, @ext_channel_switch={0x3c, 0x4, {0x1, 0xff, 0x2c, 0x17}}, @prep={0x83, 0x1f, @not_ext={{}, 0x65, 0x1f, @device_a, 0x80, "", 0x6, 0x3, @broadcast, 0x8}}, @challenge={0x10, 0x1, 0xf4}, @ssid={0x0, 0x6, @default_ap_ssid}, @ibss={0x6, 0x2}, @chsw_timing={0x68, 0x4, {0x4, 0x2}}]}, @NL80211_ATTR_MDID={0x6}, @NL80211_ATTR_MDID={0x6, 0xb1, 0xfe9}, @NL80211_ATTR_MDID={0x6, 0xb1, 0xf800}]}, 0xf8}, 0x1, 0x0, 0x0, 0x4800}, 0x24008094) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000680)=ANY=[@ANYBLOB="0004000018ec1f9d7f612b62736deda862484b9b02a596134016256501931d7f4415e738a4a134a5c740e2bca51ed00432015ef65b3217ec46be51128510a495d88c174df316e6922006e3724301a9f1090f6adae15e7102497123f41714464ede7506dfaa33500b404455fe2f33a5410ebb98f705d60ab4b34296b4ca3e71c0b8ff68df28ee2bf727b30b0d634285c0767ed90b298989d4e415dd5a517fe1016df4e8301a960aaf7e64a88b4c6a5062d76b701cf96702a4e1a542503c7cf2eb7ccfa099d996229b761c061b460a7529d610d7ae69", @ANYRES16=0x0, @ANYBLOB="01000000000000000000020080002a78912c8a66fca21ebd91e6fb65ab55259b829c146abc95b2d9a4de944eed40599082793b9f754aa3d80775ff901dedd080cd93e5438be7c8eab01e184b41eb81dffc8cb9fbee7be44c8b70fcee8fd8c0bd3e390e1575c1eab0ba6ba742d864f818ed8e8f8a6277952f5dbc22f24d55ac20a2c91c09708a64d30a90bdf6d077737302bb426c3a950c3a88c54673bf2ac6fbef8e761f57936ecee50de3ac0ceed82851aa3b31f92379c8dd6525b4f67782feef60c218953814778f"], 0x14}}, 0x0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r10) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r11, 0x1}, 0x14}}, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) ioctl$NBD_PRINT_DEBUG(r12, 0xab06) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000840)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x70, r11, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000800}, 0x20000000) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000880)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022abd7000fedbdf250700000014000600fc000000000000000000000000000001080001006e6264ff08000700ac1414aa06000b00080000000800040003000000d00ed4ac3f617ffaaf59551932a1e9ab74e6dbb94c813ba8c0e3"], 0x48}, 0x1, 0x0, 0x0, 0x1}, 0x40040) 05:00:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x0, 0x431, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000080}, 0xc000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000140)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0002000000ee000000000004000780a73fff05f76fcf77828ccfcc2372fd97faa56d49d7963a5006df90747c4f6f52702ae7aa25aef14e88fef99c1c9fb8c1ba46517ce08ce9bbcc2127372706e39d54881988714e37890c51c657b599690eeff216e4e6bc424703764edc4ea0f5398ae548f64baf5d4dbb42e03c4c0a36e7df824842ace2f806a688584ae27a68b3ee97d18c2c263bff41c7b349f4fb9a2272fc7e9b116d8aacae4805d51a78eaf372205ec58efbbaa63136dfd5c820f8840c"], 0x24}}, 0x0) 05:00:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 05:00:03 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x551000) 05:00:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x2000000000000000}]}, 0x4c}}, 0x0) [ 3510.944215] nbd: must specify at least one socket [ 3510.959315] nbd: must specify at least one socket 05:00:03 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$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x0, 0x431, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000080}, 0xc000) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x0, 0x431, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000080}, 0xc000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000140)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0002000000ee000000000004000780a73fff05f76fcf77828ccfcc2372fd97faa56d49d7963a5006df90747c4f6f52702ae7aa25aef14e88fef99c1c9fb8c1ba46517ce08ce9bbcc2127372706e39d54881988714e37890c51c657b599690eeff216e4e6bc424703764edc4ea0f5398ae548f64baf5d4dbb42e03c4c0a36e7df824842ace2f806a688584ae27a68b3ee97d18c2c263bff41c7b349f4fb9a2272fc7e9b116d8aacae4805d51a78eaf372205ec58efbbaa63136dfd5c820f8840c"], 0x24}}, 0x0) 05:00:03 executing program 4: r0 = syz_open_dev$audion(&(0x7f0000000140), 0x7, 0x2080) syz_genetlink_get_family_id$fou(&(0x7f0000000100), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000600)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x60, r2, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, ',**--})(3).'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x60}, 0x1, 0x0, 0x0, 0x20004840}, 0x24004000) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) (async) ioctl$KVM_CHECK_EXTENSION(r4, 0xae03, 0x1) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000660000000100fbffffffffffffff000000000700000000000000d3c8f704d355a51d129bb75453d8fc5de6d95bf5a6ec825e28f4c88b76d549cbd0ecec63e72347fef2a69129f79dc9d79e735618b0a49e348e85f5c9128e4c1f9ef2b57812b35a83f9740602000000000000002c648a9abd47b76048a95407978c5c81f1795b3c1b50ba3a8e9cbdb81687579ad81fa32e793743d3e4b260"], 0x24}}, 0x0) (async) r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000180), 0x279801, 0x0) (async, rerun: 32) r7 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), r0) (rerun: 32) sendmsg$NL80211_CMD_RADAR_DETECT(r6, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x58, r7, 0x20, 0x70bd26, 0x25dfdbff, {{}, {@void, @val={0xc, 0x99, {0xfffffffb, 0x7}}}}, [@NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5, 0x119, 0xb}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}, @NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5, 0x119, 0x6}, @NL80211_ATTR_CHANNEL_WIDTH={0x8, 0x9f, 0x6}, @NL80211_ATTR_WIPHY_FREQ_OFFSET={0x8, 0x122, 0x288}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8, 0x27, 0x1}, @NL80211_ATTR_CENTER_FREQ2={0x8, 0xa1, 0x800}]}, 0x58}, 0x1, 0x0, 0x0, 0x81}, 0x8000) (async, rerun: 32) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r9) sendmsg$NLBL_MGMT_C_REMOVE(r10, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r11, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x24, r11, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x4}, 0x4008000) 05:00:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 05:00:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3f00000000000000}]}, 0x4c}}, 0x0) [ 3511.018218] nbd: must specify an index to disconnect 05:00:03 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10004008}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0xc04c010}, 0x81) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000140)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x2c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r4, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1, 0x0, 0x0, {{}, {@void, @void}}}, 0x14}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'wlan0\x00', 0x0}) (async) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r7, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r8, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @void}}}, 0x1c}}, 0x0) sendmsg$NL80211_CMD_UPDATE_FT_IES(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80801041}, 0xc, &(0x7f00000003c0)={&(0x7f0000000480)={0xf8, r8, 0x800, 0x70bd26, 0x25dfdbff, {{}, {@val={0x8, 0x3, r6}, @val={0xc, 0x99, {0x4, 0x7d}}}}, [@NL80211_ATTR_MDID={0x6, 0xb1, 0xf}, @NL80211_ATTR_MDID={0x6}, @NL80211_ATTR_IE={0xa5, 0x2a, [@mesh_id={0x72, 0x6}, @channel_switch={0x25, 0x3, {0x0, 0x28, 0x8}}, @measure_req={0x26, 0x50, {0x20, 0x4, 0x11, "8930a387543d3aca641f927fccea57e695b1f22fd5361f6b536ff23c7c4266809c6753f6e7b6c09ad11b741313fa6523eeaa3d099c75dcfaa28a0ca838e8344bce2a77020dbf1fce53dd5d911a"}}, @ext_channel_switch={0x3c, 0x4, {0x1, 0x5, 0xb4, 0xd8}}, @ext_channel_switch={0x3c, 0x4, {0x1, 0xff, 0x2c, 0x17}}, @prep={0x83, 0x1f, @not_ext={{}, 0x65, 0x1f, @device_a, 0x80, "", 0x6, 0x3, @broadcast, 0x8}}, @challenge={0x10, 0x1, 0xf4}, @ssid={0x0, 0x6, @default_ap_ssid}, @ibss={0x6, 0x2}, @chsw_timing={0x68, 0x4, {0x4, 0x2}}]}, @NL80211_ATTR_MDID={0x6}, @NL80211_ATTR_MDID={0x6, 0xb1, 0xfe9}, @NL80211_ATTR_MDID={0x6, 0xb1, 0xf800}]}, 0xf8}, 0x1, 0x0, 0x0, 0x4800}, 0x24008094) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000680)=ANY=[@ANYBLOB="0004000018ec1f9d7f612b62736deda862484b9b02a596134016256501931d7f4415e738a4a134a5c740e2bca51ed00432015ef65b3217ec46be51128510a495d88c174df316e6922006e3724301a9f1090f6adae15e7102497123f41714464ede7506dfaa33500b404455fe2f33a5410ebb98f705d60ab4b34296b4ca3e71c0b8ff68df28ee2bf727b30b0d634285c0767ed90b298989d4e415dd5a517fe1016df4e8301a960aaf7e64a88b4c6a5062d76b701cf96702a4e1a542503c7cf2eb7ccfa099d996229b761c061b460a7529d610d7ae69", @ANYRES16=0x0, @ANYBLOB="01000000000000000000020080002a78912c8a66fca21ebd91e6fb65ab55259b829c146abc95b2d9a4de944eed40599082793b9f754aa3d80775ff901dedd080cd93e5438be7c8eab01e184b41eb81dffc8cb9fbee7be44c8b70fcee8fd8c0bd3e390e1575c1eab0ba6ba742d864f818ed8e8f8a6277952f5dbc22f24d55ac20a2c91c09708a64d30a90bdf6d077737302bb426c3a950c3a88c54673bf2ac6fbef8e761f57936ecee50de3ac0ceed82851aa3b31f92379c8dd6525b4f67782feef60c218953814778f"], 0x14}}, 0x0) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r10) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r11, 0x1}, 0x14}}, 0x0) (async) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) (async) ioctl$NBD_PRINT_DEBUG(r12, 0xab06) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000840)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x70, r11, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000800}, 0x20000000) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000880)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022abd7000fedbdf250700000014000600fc000000000000000000000000000001080001006e6264ff08000700ac1414aa06000b00080000000800040003000000d00ed4ac3f617ffaaf59551932a1e9ab74e6dbb94c813ba8c0e3"], 0x48}, 0x1, 0x0, 0x0, 0x1}, 0x40040) 05:00:03 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x552000) 05:00:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4800000000000000}]}, 0x4c}}, 0x0) 05:00:03 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x54, 0x0, 0x431, 0x70bd28, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x7}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000080}, 0xc000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000140)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0002000000ee000000000004000780a73fff05f76fcf77828ccfcc2372fd97faa56d49d7963a5006df90747c4f6f52702ae7aa25aef14e88fef99c1c9fb8c1ba46517ce08ce9bbcc2127372706e39d54881988714e37890c51c657b599690eeff216e4e6bc424703764edc4ea0f5398ae548f64baf5d4dbb42e03c4c0a36e7df824842ace2f806a688584ae27a68b3ee97d18c2c263bff41c7b349f4fb9a2272fc7e9b116d8aacae4805d51a78eaf372205ec58efbbaa63136dfd5c820f8840c"], 0x24}}, 0x0) 05:00:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) [ 3511.133379] nbd: must specify at least one socket 05:00:03 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x4c00000000000000}]}, 0x4c}}, 0x0) 05:00:03 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:03 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x553000) 05:00:04 executing program 0: 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$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10004008}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0xc04c010}, 0x81) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000140)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x2c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r4, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1, 0x0, 0x0, {{}, {@void, @void}}}, 0x14}}, 0x0) (async) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r4, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1, 0x0, 0x0, {{}, {@void, @void}}}, 0x14}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'wlan0\x00', 0x0}) r7 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) (async) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r7, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r8, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @void}}}, 0x1c}}, 0x0) (async) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r7, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r8, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @void}}}, 0x1c}}, 0x0) sendmsg$NL80211_CMD_UPDATE_FT_IES(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80801041}, 0xc, &(0x7f00000003c0)={&(0x7f0000000480)={0xf8, r8, 0x800, 0x70bd26, 0x25dfdbff, {{}, {@val={0x8, 0x3, r6}, @val={0xc, 0x99, {0x4, 0x7d}}}}, [@NL80211_ATTR_MDID={0x6, 0xb1, 0xf}, @NL80211_ATTR_MDID={0x6}, @NL80211_ATTR_IE={0xa5, 0x2a, [@mesh_id={0x72, 0x6}, @channel_switch={0x25, 0x3, {0x0, 0x28, 0x8}}, @measure_req={0x26, 0x50, {0x20, 0x4, 0x11, "8930a387543d3aca641f927fccea57e695b1f22fd5361f6b536ff23c7c4266809c6753f6e7b6c09ad11b741313fa6523eeaa3d099c75dcfaa28a0ca838e8344bce2a77020dbf1fce53dd5d911a"}}, @ext_channel_switch={0x3c, 0x4, {0x1, 0x5, 0xb4, 0xd8}}, @ext_channel_switch={0x3c, 0x4, {0x1, 0xff, 0x2c, 0x17}}, @prep={0x83, 0x1f, @not_ext={{}, 0x65, 0x1f, @device_a, 0x80, "", 0x6, 0x3, @broadcast, 0x8}}, @challenge={0x10, 0x1, 0xf4}, @ssid={0x0, 0x6, @default_ap_ssid}, @ibss={0x6, 0x2}, @chsw_timing={0x68, 0x4, {0x4, 0x2}}]}, @NL80211_ATTR_MDID={0x6}, @NL80211_ATTR_MDID={0x6, 0xb1, 0xfe9}, @NL80211_ATTR_MDID={0x6, 0xb1, 0xf800}]}, 0xf8}, 0x1, 0x0, 0x0, 0x4800}, 0x24008094) (async) sendmsg$NL80211_CMD_UPDATE_FT_IES(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80801041}, 0xc, &(0x7f00000003c0)={&(0x7f0000000480)={0xf8, r8, 0x800, 0x70bd26, 0x25dfdbff, {{}, {@val={0x8, 0x3, r6}, @val={0xc, 0x99, {0x4, 0x7d}}}}, [@NL80211_ATTR_MDID={0x6, 0xb1, 0xf}, @NL80211_ATTR_MDID={0x6}, @NL80211_ATTR_IE={0xa5, 0x2a, [@mesh_id={0x72, 0x6}, @channel_switch={0x25, 0x3, {0x0, 0x28, 0x8}}, @measure_req={0x26, 0x50, {0x20, 0x4, 0x11, "8930a387543d3aca641f927fccea57e695b1f22fd5361f6b536ff23c7c4266809c6753f6e7b6c09ad11b741313fa6523eeaa3d099c75dcfaa28a0ca838e8344bce2a77020dbf1fce53dd5d911a"}}, @ext_channel_switch={0x3c, 0x4, {0x1, 0x5, 0xb4, 0xd8}}, @ext_channel_switch={0x3c, 0x4, {0x1, 0xff, 0x2c, 0x17}}, @prep={0x83, 0x1f, @not_ext={{}, 0x65, 0x1f, @device_a, 0x80, "", 0x6, 0x3, @broadcast, 0x8}}, @challenge={0x10, 0x1, 0xf4}, @ssid={0x0, 0x6, @default_ap_ssid}, @ibss={0x6, 0x2}, @chsw_timing={0x68, 0x4, {0x4, 0x2}}]}, @NL80211_ATTR_MDID={0x6}, @NL80211_ATTR_MDID={0x6, 0xb1, 0xfe9}, @NL80211_ATTR_MDID={0x6, 0xb1, 0xf800}]}, 0xf8}, 0x1, 0x0, 0x0, 0x4800}, 0x24008094) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000680)=ANY=[@ANYBLOB="0004000018ec1f9d7f612b62736deda862484b9b02a596134016256501931d7f4415e738a4a134a5c740e2bca51ed00432015ef65b3217ec46be51128510a495d88c174df316e6922006e3724301a9f1090f6adae15e7102497123f41714464ede7506dfaa33500b404455fe2f33a5410ebb98f705d60ab4b34296b4ca3e71c0b8ff68df28ee2bf727b30b0d634285c0767ed90b298989d4e415dd5a517fe1016df4e8301a960aaf7e64a88b4c6a5062d76b701cf96702a4e1a542503c7cf2eb7ccfa099d996229b761c061b460a7529d610d7ae69", @ANYRES16=0x0, @ANYBLOB="01000000000000000000020080002a78912c8a66fca21ebd91e6fb65ab55259b829c146abc95b2d9a4de944eed40599082793b9f754aa3d80775ff901dedd080cd93e5438be7c8eab01e184b41eb81dffc8cb9fbee7be44c8b70fcee8fd8c0bd3e390e1575c1eab0ba6ba742d864f818ed8e8f8a6277952f5dbc22f24d55ac20a2c91c09708a64d30a90bdf6d077737302bb426c3a950c3a88c54673bf2ac6fbef8e761f57936ecee50de3ac0ceed82851aa3b31f92379c8dd6525b4f67782feef60c218953814778f"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000680)=ANY=[@ANYBLOB="0004000018ec1f9d7f612b62736deda862484b9b02a596134016256501931d7f4415e738a4a134a5c740e2bca51ed00432015ef65b3217ec46be51128510a495d88c174df316e6922006e3724301a9f1090f6adae15e7102497123f41714464ede7506dfaa33500b404455fe2f33a5410ebb98f705d60ab4b34296b4ca3e71c0b8ff68df28ee2bf727b30b0d634285c0767ed90b298989d4e415dd5a517fe1016df4e8301a960aaf7e64a88b4c6a5062d76b701cf96702a4e1a542503c7cf2eb7ccfa099d996229b761c061b460a7529d610d7ae69", @ANYRES16=0x0, @ANYBLOB="01000000000000000000020080002a78912c8a66fca21ebd91e6fb65ab55259b829c146abc95b2d9a4de944eed40599082793b9f754aa3d80775ff901dedd080cd93e5438be7c8eab01e184b41eb81dffc8cb9fbee7be44c8b70fcee8fd8c0bd3e390e1575c1eab0ba6ba742d864f818ed8e8f8a6277952f5dbc22f24d55ac20a2c91c09708a64d30a90bdf6d077737302bb426c3a950c3a88c54673bf2ac6fbef8e761f57936ecee50de3ac0ceed82851aa3b31f92379c8dd6525b4f67782feef60c218953814778f"], 0x14}}, 0x0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r10) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r11, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r11, 0x1}, 0x14}}, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) (async) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) ioctl$NBD_PRINT_DEBUG(r12, 0xab06) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000840)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x70, r11, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000800}, 0x20000000) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000880)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022abd7000fedbdf250700000014000600fc000000000000000000000000000001080001006e6264ff08000700ac1414aa06000b00080000000800040003000000d00ed4ac3f617ffaaf59551932a1e9ab74e6dbb94c813ba8c0e3"], 0x48}, 0x1, 0x0, 0x0, 0x1}, 0x40040) [ 3511.183268] nbd: must specify at least one socket [ 3511.198189] nbd: must specify an index to disconnect 05:00:04 executing program 4: r0 = syz_open_dev$audion(&(0x7f0000000140), 0x7, 0x2080) syz_genetlink_get_family_id$fou(&(0x7f0000000100), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000600)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000005c0)={&(0x7f0000000540)={0x60, r2, 0x200, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x100}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, ',**--})(3).'}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2f}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}]}, 0x60}, 0x1, 0x0, 0x0, 0x20004840}, 0x24004000) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) ioctl$KVM_CHECK_EXTENSION(r4, 0xae03, 0x1) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010000000000660000000100fbffffffffffffff000000000700000000000000d3c8f704d355a51d129bb75453d8fc5de6d95bf5a6ec825e28f4c88b76d549cbd0ecec63e72347fef2a69129f79dc9d79e735618b0a49e348e85f5c9128e4c1f9ef2b57812b35a83f9740602000000000000002c648a9abd47b76048a95407978c5c81f1795b3c1b50ba3a8e9cbdb81687579ad81fa32e793743d3e4b260"], 0x24}}, 0x0) (async, rerun: 32) r6 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000180), 0x279801, 0x0) (rerun: 32) r7 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), r0) sendmsg$NL80211_CMD_RADAR_DETECT(r6, &(0x7f0000000300)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x58, r7, 0x20, 0x70bd26, 0x25dfdbff, {{}, {@void, @val={0xc, 0x99, {0xfffffffb, 0x7}}}}, [@NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5, 0x119, 0xb}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}, @NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5, 0x119, 0x6}, @NL80211_ATTR_CHANNEL_WIDTH={0x8, 0x9f, 0x6}, @NL80211_ATTR_WIPHY_FREQ_OFFSET={0x8, 0x122, 0x288}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8, 0x27, 0x1}, @NL80211_ATTR_CENTER_FREQ2={0x8, 0xa1, 0x800}]}, 0x58}, 0x1, 0x0, 0x0, 0x81}, 0x8000) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r9) sendmsg$NLBL_MGMT_C_REMOVE(r10, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r11, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async, rerun: 64) sendmsg$NLBL_MGMT_C_ADDDEF(r8, &(0x7f0000000480)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x24, r11, 0x300, 0x70bd27, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x4}, 0x4008000) (rerun: 64) 05:00:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x5e1af2a400000000}]}, 0x4c}}, 0x0) 05:00:04 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x554000) 05:00:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000280), 0x400, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x14, 0x0, 0x100, 0x70bd2c, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4000800}, 0xc010) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="25000800642195cdfd72f27dd42304fb5fde244426cee5fffd93bb6681fbe499f09a03000000883246d4d3a7ea3b909243f0fd173e9e786ff28a0f329dd7a280c44fb9ae2c33914a208aefd95b812a6ad3ce4174b99e6e1a1842a0f0568400000000000000000000000000004166fc361fe96b0331b7f12b94f7b1ea981528eb94d00d864057317d889874c6f5f0909602aa17cccd29f06e460833f663182b6ce230e937c834ecea6f54bc4543425ee7758903f5d292d844fc7aaac2a76dd177632dc9000000d15014a17df187406b8f278e", @ANYRESOCT=r3, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r4) getsockname(0xffffffffffffffff, &(0x7f0000000040)=@pppol2tpin6, &(0x7f00000001c0)=0x80) [ 3511.286451] nbd: must specify at least one socket 05:00:04 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="2487310414d2a7cf4b6d718863df", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) 05:00:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) (async) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000280), 0x400, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x14, 0x0, 0x100, 0x70bd2c, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4000800}, 0xc010) (async) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="25000800642195cdfd72f27dd42304fb5fde244426cee5fffd93bb6681fbe499f09a03000000883246d4d3a7ea3b909243f0fd173e9e786ff28a0f329dd7a280c44fb9ae2c33914a208aefd95b812a6ad3ce4174b99e6e1a1842a0f0568400000000000000000000000000004166fc361fe96b0331b7f12b94f7b1ea981528eb94d00d864057317d889874c6f5f0909602aa17cccd29f06e460833f663182b6ce230e937c834ecea6f54bc4543425ee7758903f5d292d844fc7aaac2a76dd177632dc9000000d15014a17df187406b8f278e", @ANYRESOCT=r3, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r4) (async) getsockname(0xffffffffffffffff, &(0x7f0000000040)=@pppol2tpin6, &(0x7f00000001c0)=0x80) 05:00:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6000000000000000}]}, 0x4c}}, 0x0) [ 3511.316419] nbd: must specify an index to disconnect [ 3511.325743] nbd: must specify an index to disconnect 05:00:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:04 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x555000) 05:00:04 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="2487310414d2a7cf4b6d718863df", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="2487310414d2a7cf4b6d718863df", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) [ 3511.420885] nbd: must specify at least one socket 05:00:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000280), 0x400, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x14, 0x0, 0x100, 0x70bd2c, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x4000800}, 0xc010) (async) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000640)=ANY=[@ANYBLOB="25000800642195cdfd72f27dd42304fb5fde244426cee5fffd93bb6681fbe499f09a03000000883246d4d3a7ea3b909243f0fd173e9e786ff28a0f329dd7a280c44fb9ae2c33914a208aefd95b812a6ad3ce4174b99e6e1a1842a0f0568400000000000000000000000000004166fc361fe96b0331b7f12b94f7b1ea981528eb94d00d864057317d889874c6f5f0909602aa17cccd29f06e460833f663182b6ce230e937c834ecea6f54bc4543425ee7758903f5d292d844fc7aaac2a76dd177632dc9000000d15014a17df187406b8f278e", @ANYRESOCT=r3, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r4) (async) getsockname(0xffffffffffffffff, &(0x7f0000000040)=@pppol2tpin6, &(0x7f00000001c0)=0x80) 05:00:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x24}}, 0x0) 05:00:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6800000000000000}]}, 0x4c}}, 0x0) 05:00:04 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x556000) 05:00:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6c00000000000000}]}, 0x4c}}, 0x0) 05:00:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x4c}}, 0x0) 05:00:04 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x557000) 05:00:04 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="2487310414d2a7cf4b6d718863df", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) 05:00:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7400000000000000}]}, 0x4c}}, 0x0) [ 3511.576336] nbd: must specify at least one socket 05:00:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x24}}, 0x0) 05:00:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0f00000004000000060002000000"], 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000180)=ANY=[@ANYBLOB="010000000000c8000000000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB="06000000000000002e2f66696c653000"]) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x80, r6, 0x300, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x80}, 0x1, 0x0, 0x0, 0x10000010}, 0x4000) 05:00:04 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x558000) 05:00:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 05:00:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x24}}, 0x0) [ 3511.665551] nbd: must specify at least one socket 05:00:04 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r3, 0x4, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff80000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffff051}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}]}, 0x60}, 0x1, 0x0, 0x0, 0x4850}, 0x20000880) 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$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, r6, 0x20, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, '#\'^\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x4002}, 0x20000005) 05:00:04 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x559000) 05:00:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7a00000000000000}]}, 0x4c}}, 0x0) 05:00:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0f00000004000000060002000000"], 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0f00000004000000060002000000"], 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) (async) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000180)=ANY=[@ANYBLOB="010000000000c8000000000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB="06000000000000002e2f66696c653000"]) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x80, r6, 0x300, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x80}, 0x1, 0x0, 0x0, 0x10000010}, 0x4000) 05:00:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) [ 3511.727429] nbd: must specify an index to disconnect [ 3511.736581] nbd: must specify at least one socket 05:00:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0xa4500, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r4, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xafe4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x40004) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x68, r1, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x40}, 0x48080) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:04 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r3, 0x4, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff80000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffff051}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}]}, 0x60}, 0x1, 0x0, 0x0, 0x4850}, 0x20000880) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, r6, 0x20, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, '#\'^\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x4002}, 0x20000005) 05:00:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9effffff00000000}]}, 0x4c}}, 0x0) 05:00:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x40, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}]}, 0x40}}, 0x0) 05:00:04 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x55a000) [ 3511.827292] nbd: must specify an index to disconnect 05:00:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0f00000004000000060002000000"], 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$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000180)=ANY=[@ANYBLOB="010000000000c8000000000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB="06000000000000002e2f66696c653000"]) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x80, r6, 0x300, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x80}, 0x1, 0x0, 0x0, 0x10000010}, 0x4000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0f00000004000000060002000000"], 0x14}}, 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$nbd(&(0x7f0000000440), r5) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) (async) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000180)=ANY=[@ANYBLOB="010000000000c8000000000000", @ANYRES32, @ANYBLOB="06000000000000002e2f66696c653000"]) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x80, r6, 0x300, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x6}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfff}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc}]}, 0x80}, 0x1, 0x0, 0x0, 0x10000010}, 0x4000) (async) 05:00:04 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x55b000) 05:00:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf0ffffff00000000}]}, 0x4c}}, 0x0) 05:00:04 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x60, r3, 0x4, 0x70bd2a, 0x25dfdbfd, {}, [@NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffff80000001}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xfffffffffffff051}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8001}]}, 0x60}, 0x1, 0x0, 0x0, 0x4850}, 0x20000880) 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$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x24, r6, 0x20, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, '#\'^\x00'}]}, 0x24}, 0x1, 0x0, 0x0, 0x4002}, 0x20000005) 05:00:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0xa4500, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r4, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xafe4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x40004) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x68, r1, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x40}, 0x48080) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) 05:00:04 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x55c000) [ 3511.944902] nbd: must specify an index to disconnect 05:00:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffff7f00000000}]}, 0x4c}}, 0x0) 05:00:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) 05:00:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0xa4500, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x74, r4, 0x8, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xd6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xafe4}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xffff}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffff}]}, 0x74}, 0x1, 0x0, 0x0, 0x4000}, 0x40004) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r5, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x68, r1, 0x200, 0x70bd26, 0x25dfdbfb, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x6}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffff}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8, 0x1, r2}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x68}, 0x1, 0x0, 0x0, 0x40}, 0x48080) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00012dbd7000fedbdf250200000006000b000000000014000500fe80000000000000000000000000003314000600fe711a000000000000000000000000aa"], 0x44}}, 0x4000) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) 05:00:04 executing program 0: ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x1ff) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x100) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="8b12c439", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:04 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x55d000) 05:00:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xffffffff00000000}]}, 0x4c}}, 0x0) 05:00:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) 05:00:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0xa04, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:04 executing program 0: ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x1ff) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x100) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="8b12c439", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x1ff) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x100) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="8b12c439", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) 05:00:04 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00012dbd7000fedbdf250200000006000b000000000014000500fe80000000000000000000000000003314000600fe711a000000000000000000000000aa"], 0x44}}, 0x4000) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100), r0) (async) 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$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) [ 3512.100350] nbd: must specify a size in bytes for the device 05:00:04 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x55e000) 05:00:04 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x38}}, 0x0) 05:00:04 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xfffffffffffff000}]}, 0x4c}}, 0x0) 05:00:04 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0xa04, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0xa04, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:05 executing program 0: ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x1ff) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x100) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="8b12c439", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:05 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x55f000) 05:00:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB='D\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00012dbd7000fedbdf250200000006000b000000000014000500fe80000000000000000000000000003314000600fe711a000000000000000000000000aa"], 0x44}}, 0x4000) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000100), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$netlbl_mgmt(&(0x7f0000000340), r3) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) 05:00:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0xf}}, 0x0) [ 3512.209363] nbd: must specify a size in bytes for the device [ 3512.238210] nbd: must specify at least one socket 05:00:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x38}}, 0x0) 05:00:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0xa04, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0xa04, 0x0, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet6_tcp_TCP_ULP(0xffffffffffffffff, 0x6, 0x1f, &(0x7f0000000000), 0x4) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, r4, 0x4, 0x70bd2c, 0x25dfdbfc, {{}, {@void, @val={0xc, 0x99, {0x1000, 0x55}}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x200080c0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r1, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x60}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7ff}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x20004000) 05:00:05 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x560000) [ 3512.310200] nbd: must specify a size in bytes for the device [ 3512.318826] nbd: must specify a size in bytes for the device 05:00:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r6, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000010}, 0x40004) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x14}}, 0x0) 05:00:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000100000000000000000004000780000000000000"], 0x24}}, 0x0) 05:00:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x38}}, 0x0) [ 3512.375755] nbd: must specify at least one socket 05:00:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet6_tcp_TCP_ULP(0xffffffffffffffff, 0x6, 0x1f, &(0x7f0000000000), 0x4) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0), 0xffffffffffffffff) (async) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, r4, 0x4, 0x70bd2c, 0x25dfdbfc, {{}, {@void, @val={0xc, 0x99, {0x1000, 0x55}}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x200080c0) (async) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, r4, 0x4, 0x70bd2c, 0x25dfdbfc, {{}, {@void, @val={0xc, 0x99, {0x1000, 0x55}}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x200080c0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r1, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x60}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7ff}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x20004000) 05:00:05 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x561000) [ 3512.430942] nbd: must specify an index to disconnect 05:00:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x5f}}, 0x0) 05:00:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 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$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r6, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000010}, 0x40004) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r6, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000010}, 0x40004) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) [ 3512.457797] nbd: must specify at least one socket 05:00:05 executing program 4: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000100000000000000000004000780000000000000"], 0x24}}, 0x0) 05:00:05 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x562000) [ 3512.491256] nbd: must specify at least one socket 05:00:05 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet6_tcp_TCP_ULP(0xffffffffffffffff, 0x6, 0x1f, &(0x7f0000000000), 0x4) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, r4, 0x4, 0x70bd2c, 0x25dfdbfc, {{}, {@void, @val={0xc, 0x99, {0x1000, 0x55}}}}, ["", "", "", "", "", "", "", "", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x200080c0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r1, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x60}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7ff}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x20004000) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r1, 0x20, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x60}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7ff}]}, 0x34}, 0x1, 0x0, 0x0, 0x1}, 0x20004000) 05:00:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0xc0}}, 0x0) 05:00:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x44}}, 0x0) [ 3512.530536] nbd: must specify at least one socket 05:00:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000100000000000000000004000780000000000000"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000000000000100000000000000000004000780000000000000"], 0x24}}, 0x0) (async) 05:00:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010102}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x20040850) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 3512.566107] nbd: must specify an index to disconnect 05:00:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$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) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, r6, 0x4, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x20}, 0x1, 0x0, 0x0, 0x4000010}, 0x40004) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x563000) 05:00:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0xec0}}, 0x0) 05:00:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x3c}}, 0x0) [ 3512.653637] nbd: must specify at least one socket 05:00:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010102}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x20040850) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010102}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x20040850) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:05 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x564000) 05:00:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x33fe0}}, 0x0) 05:00:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x30}}, 0x0) [ 3512.674798] nbd: must specify an index to disconnect [ 3512.684542] nbd: must specify at least one socket [ 3512.689567] nbd: must specify an index to disconnect 05:00:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)={0x5c, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x903e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0xb6243840acf573cd) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r1) sendmsg$NLBL_MGMT_C_VERSION(r5, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x14, r6, 0x10, 0x70bd2a, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x200008c0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P@\x00\x00', @ANYRES16=0x0, @ANYBLOB="040025bd7000fcdbdf25020000000c00030002000000000000000c00030004000000000000000c000200feffffffffffffff0c000400feffffffffffffff0c000400360f000000000000"], 0x50}}, 0x8000) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x10, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x27}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}]}, 0x38}}, 0x800) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000440), r6) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r7, 0x1}, 0x14}}, 0x0) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r8, 0x80287010, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000200)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x100}}, './file0\x00'}) r11 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000240), 0x40202, 0x0) socketpair(0x18, 0x80000, 0x6, &(0x7f0000000280)={0xffffffffffffffff}) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000002c0), 0x5e79fd1919863f17, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000003c0)={&(0x7f0000000180), 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0xc0, r7, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x951}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8, 0x1, r14}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x178}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}]}, 0xc0}, 0x1, 0x0, 0x0, 0x2004c084}, 0xc0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_VERSION(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x50, 0x0, 0x10, 0x70bd27, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010102}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @empty}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x50}, 0x1, 0x0, 0x0, 0x8000}, 0x20040850) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x565000) 05:00:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x200004cc}}, 0x0) [ 3512.794299] nbd: must specify a size in bytes for the device [ 3512.818561] nbd: must specify an index to disconnect 05:00:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)={0x5c, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x903e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0xb6243840acf573cd) (async, rerun: 64) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (rerun: 64) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r1) sendmsg$NLBL_MGMT_C_VERSION(r5, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x14, r6, 0x10, 0x70bd2a, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x200008c0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P@\x00\x00', @ANYRES16=0x0, @ANYBLOB="040025bd7000fcdbdf25020000000c00030002000000000000000c00030004000000000000000c000200feffffffffffffff0c000400feffffffffffffff0c000400360f000000000000"], 0x50}}, 0x8000) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x30}}, 0x0) 05:00:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 3512.846285] nbd: must specify an index to disconnect 05:00:05 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_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x10, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x27}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}]}, 0x38}}, 0x800) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r6) (async) r7 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r6) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r7, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r7, 0x1}, 0x14}}, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r8, 0x80287010, 0x0) (async) ioctl$RTC_WKALM_RD(r8, 0x80287010, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000200)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x100}}, './file0\x00'}) r11 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000240), 0x40202, 0x0) socketpair(0x18, 0x80000, 0x6, &(0x7f0000000280)={0xffffffffffffffff}) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000002c0), 0x5e79fd1919863f17, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000003c0)={&(0x7f0000000180), 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0xc0, r7, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x951}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8, 0x1, r14}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x178}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}]}, 0xc0}, 0x1, 0x0, 0x0, 0x2004c084}, 0xc0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x7ffff000}}, 0x0) 05:00:05 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x566000) [ 3512.910670] nbd: must specify a size in bytes for the device [ 3512.934684] nbd: must specify an index to disconnect [ 3512.950001] nbd: must specify an index to disconnect 05:00:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x30}}, 0x0) 05:00:05 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x567000) 05:00:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0xfffffdef}}, 0x0) [ 3512.969277] nbd: must specify an index to disconnect 05:00:05 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x10, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x27}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}]}, 0x38}}, 0x800) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = 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$nbd(&(0x7f0000000440), r6) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r7, 0x1}, 0x14}}, 0x0) (async) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r8, 0x80287010, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) (async) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000200)={{0x1, 0x1, 0x18, 0xffffffffffffffff, {0x100}}, './file0\x00'}) (async) r11 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000240), 0x40202, 0x0) (async) socketpair(0x18, 0x80000, 0x6, &(0x7f0000000280)={0xffffffffffffffff}) (async) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) (async) r14 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000002c0), 0x5e79fd1919863f17, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r4, &(0x7f00000003c0)={&(0x7f0000000180), 0xc, &(0x7f0000000340)={&(0x7f00000004c0)={0xc0, r7, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x951}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7}, @NBD_ATTR_SOCKETS={0x4c, 0x7, 0x0, 0x1, [{0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r10}, {0x8, 0x1, r11}, {0x8, 0x1, r12}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8, 0x1, r14}]}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0xf2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x178}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfff}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}]}, 0xc0}, 0x1, 0x0, 0x0, 0x2004c084}, 0xc0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)={0x5c, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x903e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0xb6243840acf573cd) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r1) sendmsg$NLBL_MGMT_C_VERSION(r5, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x14, r6, 0x10, 0x70bd2a, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x200008c0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P@\x00\x00', @ANYRES16=0x0, @ANYBLOB="040025bd7000fcdbdf25020000000c00030002000000000000000c00030004000000000000000c000200feffffffffffffff0c000400feffffffffffffff0c000400360f000000000000"], 0x50}}, 0x8000) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x2}, 0x0) 05:00:05 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x60}]}, 0x30}}, 0x0) 05:00:05 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x568000) [ 3513.047938] nbd: must specify a size in bytes for the device [ 3513.071130] nbd: must specify an index to disconnect 05:00:05 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000000c0)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x40, r5, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x40}, 0x1, 0x0, 0x0, 0x4011}, 0xc004) [ 3513.117875] nbd: must specify an index to disconnect 05:00:05 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000), 0x404000, 0x0) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r5 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$L2TP_CMD_SESSION_CREATE(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r5, 0x800, 0x70bd2b, 0x25dfdbfc, {}, [@L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x3f}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x1}, @L2TP_ATTR_L2SPEC_LEN={0x5, 0x6, 0x8}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @loopback}]}, 0x40}, 0x1, 0x0, 0x0, 0x48040}, 0xc0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r5, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@L2TP_ATTR_VLAN_ID={0x6, 0xe, 0x7}, @L2TP_ATTR_FD={0x8, 0x17, @l2tp6=r6}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4008041}, 0x28004000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:05 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x4}, 0x0) 05:00:05 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x569000) 05:00:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000500)={0x5c, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x903e}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x3}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x5c}, 0x1, 0x0, 0x0, 0x80}, 0xb6243840acf573cd) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r1) sendmsg$NLBL_MGMT_C_VERSION(r5, &(0x7f00000004c0)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)={0x14, r6, 0x10, 0x70bd2a, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x1}, 0x200008c0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)=ANY=[@ANYBLOB='P@\x00\x00', @ANYRES16=0x0, @ANYBLOB="040025bd7000fcdbdf25020000000c00030002000000000000000c00030004000000000000000c000200feffffffffffffff0c000400feffffffffffffff0c000400360f000000000000"], 0x50}}, 0x8000) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r8, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x7}, 0x0) 05:00:06 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x56a000) 05:00:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x1, 0x4, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) 05:00:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000), 0x404000, 0x0) (async) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r5 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$L2TP_CMD_SESSION_CREATE(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r5, 0x800, 0x70bd2b, 0x25dfdbfc, {}, [@L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x3f}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x1}, @L2TP_ATTR_L2SPEC_LEN={0x5, 0x6, 0x8}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @loopback}]}, 0x40}, 0x1, 0x0, 0x0, 0x48040}, 0xc0) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) (async) sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r5, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@L2TP_ATTR_VLAN_ID={0x6, 0xe, 0x7}, @L2TP_ATTR_FD={0x8, 0x17, @l2tp6=r6}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4008041}, 0x28004000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000000c0)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (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$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x40, r5, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x40}, 0x1, 0x0, 0x0, 0x4011}, 0xc004) [ 3513.263053] ieee802154 phy0 wpan0: encryption failed: -22 [ 3513.268694] ieee802154 phy1 wpan1: encryption failed: -22 05:00:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x8}, 0x0) [ 3513.312643] nbd: must specify an index to disconnect 05:00:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000), 0x404000, 0x0) (async) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) (async) r5 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$L2TP_CMD_SESSION_CREATE(r4, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x40, r5, 0x800, 0x70bd2b, 0x25dfdbfc, {}, [@L2TP_ATTR_RECV_SEQ={0x5, 0x12, 0x3f}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_RECV_TIMEOUT={0xc, 0x16, 0x1}, @L2TP_ATTR_L2SPEC_LEN={0x5, 0x6, 0x8}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @loopback}]}, 0x40}, 0x1, 0x0, 0x0, 0x48040}, 0xc0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) sendmsg$L2TP_CMD_TUNNEL_DELETE(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x2c, r5, 0x800, 0x70bd29, 0x25dfdbfc, {}, [@L2TP_ATTR_VLAN_ID={0x6, 0xe, 0x7}, @L2TP_ATTR_FD={0x8, 0x17, @l2tp6=r6}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4008041}, 0x28004000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x1, 0x4, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) [ 3513.336439] nbd: must specify at least one socket 05:00:06 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x56b000) 05:00:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x1, 0x4, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x30}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) 05:00:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x8, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x76d}]}, 0x20}, 0x1, 0x0, 0x0, 0x44100}, 0x20060000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$vcsu(&(0x7f0000000180), 0xd37, 0x208000) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) r6 = socket(0x5, 0x2, 0x7) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r8, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}]}]}, 0x5c}}, 0x0) 05:00:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000000c0)=ANY=[@ANYBLOB="1f0024220b5ad70e93f10163de9a920d0e1c28acf62759c05a46b3676bd14a31341c9913a7f006ff0534ed16e6f7a9eabe67d83d522187ec334cef67428f35172935c8c6dbed0088b08fd38ff62c54a1488b49c06c90161aad17d3563c4a072e5ee0728a8a68a3c6eef99c96756f58627ae69e0ca98c26463faff1c1794cd16c91e1d220ad53056205719b4d4cd2698497429a0ad5a58331bfff9e0e34d472d0c8f8c6b8fa8941672e66459725eb1e23baf84db78176016bfbf73a0d27df5475d9045ac4af5083afd4bf43714ae75208d579a09375d70e7af95a1b188deeed326f0b57863372ed3e8fbb2b68e7b9a363c861de01bb95b451c4d84d20dcb29d03e5a05e00", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (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$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x40, r5, 0x300, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x40}, 0x1, 0x0, 0x0, 0x4011}, 0xc004) 05:00:06 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x56c000) 05:00:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0xa}, 0x0) 05:00:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x8, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x76d}]}, 0x20}, 0x1, 0x0, 0x0, 0x44100}, 0x20060000) (async, rerun: 64) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_open_dev$vcsu(&(0x7f0000000180), 0xd37, 0x208000) (async) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) r6 = socket(0x5, 0x2, 0x7) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r8, 0x80287010, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}]}]}, 0x5c}}, 0x0) [ 3513.460055] nbd: must specify at least one socket 05:00:06 executing program 1: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x564000) 05:00:06 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x56d000) 05:00:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x1, 0x4, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}]}, 0x30}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) [ 3513.494290] nbd: must specify at least one socket 05:00:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x25}, 0x0) 05:00:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x14, r1, 0xa3543852cb7e43bb}, 0x14}, 0x1, 0x0, 0x0, 0x4008000}, 0x0) 05:00:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x8, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x76d}]}, 0x20}, 0x1, 0x0, 0x0, 0x44100}, 0x20060000) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_open_dev$vcsu(&(0x7f0000000180), 0xd37, 0x208000) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) r6 = socket(0x5, 0x2, 0x7) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r8, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}]}]}, 0x5c}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(r1, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x20, 0x0, 0x8, 0x70bd2b, 0x25dfdbfc, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x76d}]}, 0x20}, 0x1, 0x0, 0x0, 0x44100}, 0x20060000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_open_dev$vcsu(&(0x7f0000000180), 0xd37, 0x208000) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) ioctl$RTC_WKALM_RD(r5, 0x80287010, 0x0) (async) socket(0x5, 0x2, 0x7) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) ioctl$RTC_WKALM_RD(r7, 0x80287010, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) ioctl$RTC_WKALM_RD(r8, 0x80287010, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x5c, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8, 0x1, r6}, {0x8, 0x1, r5}, {0x8, 0x1, r7}, {0x8, 0x1, r8}, {0x8, 0x1, r4}]}]}, 0x5c}}, 0x0) (async) 05:00:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) 05:00:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x5f}, 0x0) [ 3513.586092] nbd: must specify at least one socket 05:00:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x14, r1, 0xa3543852cb7e43bb}, 0x14}, 0x1, 0x0, 0x0, 0x4008000}, 0x0) 05:00:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:06 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x56e000) 05:00:06 executing program 0: ioctl$RTC_AIE_OFF(0xffffffffffffffff, 0x7002) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000001c000000000004000780"], 0x24}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_open_dev$rtc(&(0x7f0000000280), 0x3, 0x100) ioctl$NBD_PRINT_DEBUG(0xffffffffffffffff, 0xab06) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x50, 0x0, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x23}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @loopback}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x50}}, 0x4000813) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r5, 0x400, 0x70bd2c, 0x25dfdbfd, {{}, {@void, @val={0xc, 0x99, {0x4, 0x6b}}}}, ["", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x880}, 0x80) 05:00:06 executing program 1: ioctl$NBD_SET_TIMEOUT(0xffffffffffffffff, 0xab09, 0x1ff) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$NBD_SET_FLAGS(0xffffffffffffffff, 0xab0a, 0x100) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="8b12c439", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x500}, 0x0) 05:00:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x14, r1, 0xa3543852cb7e43bb}, 0x14}, 0x1, 0x0, 0x0, 0x4008000}, 0x0) 05:00:06 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x56f000) 05:00:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x72dfdcd9}, 0x0) 05:00:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:06 executing program 0: ioctl$RTC_AIE_OFF(0xffffffffffffffff, 0x7002) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000001c000000000004000780"], 0x24}}, 0x0) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_open_dev$rtc(&(0x7f0000000280), 0x3, 0x100) ioctl$NBD_PRINT_DEBUG(0xffffffffffffffff, 0xab06) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x50, 0x0, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x23}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @loopback}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x50}}, 0x4000813) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r5, 0x400, 0x70bd2c, 0x25dfdbfd, {{}, {@void, @val={0xc, 0x99, {0x4, 0x6b}}}}, ["", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x880}, 0x80) ioctl$RTC_AIE_OFF(0xffffffffffffffff, 0x7002) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000001c000000000004000780"], 0x24}}, 0x0) (async) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (async) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_open_dev$rtc(&(0x7f0000000280), 0x3, 0x100) (async) ioctl$NBD_PRINT_DEBUG(0xffffffffffffffff, 0xab06) (async) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x50, 0x0, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x23}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @loopback}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x50}}, 0x4000813) (async) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r5, 0x400, 0x70bd2c, 0x25dfdbfd, {{}, {@void, @val={0xc, 0x99, {0x4, 0x6b}}}}, ["", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x880}, 0x80) (async) 05:00:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80080528}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x8c, r2, 0xa07, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4040816}, 0x4000000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:06 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x570000) 05:00:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80080528}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x8c, r2, 0xa07, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4040816}, 0x4000000) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x72dfdcdf}, 0x0) 05:00:06 executing program 0: ioctl$RTC_AIE_OFF(0xffffffffffffffff, 0x7002) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000001c000000000004000780"], 0x24}}, 0x0) (async, rerun: 32) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) (rerun: 32) ioctl$RTC_WKALM_RD(r3, 0x80287010, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_open_dev$rtc(&(0x7f0000000280), 0x3, 0x100) (async) ioctl$NBD_PRINT_DEBUG(0xffffffffffffffff, 0xab06) (async) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x50, 0x0, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2c}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x23}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @loopback}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010102}]}, 0x50}}, 0x4000813) (async) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x20, r5, 0x400, 0x70bd2c, 0x25dfdbfd, {{}, {@void, @val={0xc, 0x99, {0x4, 0x6b}}}}, ["", "", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x880}, 0x80) 05:00:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:06 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x571000) 05:00:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x88}, 0x1, 0x0, 0x0, 0x40814}, 0x4004000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x7ffffffe}, 0x0) 05:00:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80080528}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x8c, r2, 0xa07, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010101}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x4040816}, 0x4000000) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:06 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:06 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x572000) 05:00:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0xa}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x64044000}, 0x4040080) 05:00:06 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0xffffff1f}, 0x0) [ 3514.081713] nbd: must specify an index to disconnect 05:00:06 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="84ffffff", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0002c00000000000000000000005000800000000000000"], 0x24}}, 0x8000) 05:00:06 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x88}, 0x1, 0x0, 0x0, 0x40814}, 0x4004000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x88}, 0x1, 0x0, 0x0, 0x40814}, 0x4004000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:06 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async, rerun: 64) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0xa}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x64044000}, 0x4040080) (rerun: 64) [ 3514.166578] nbd: nbd1 already in use 05:00:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:07 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x573000) 05:00:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x2}, 0x0) 05:00:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="84ffffff", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0002c00000000000000000000005000800000000000000"], 0x24}}, 0x8000) [ 3514.253020] nbd: must specify an index to disconnect 05:00:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0xa}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x64044000}, 0x4040080) 05:00:07 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x574000) 05:00:07 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$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r3, 0x1}, 0x14}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x88, r3, 0x10, 0x70bd29, 0x25dfdbfb, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x28}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x4}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}]}, 0x88}, 0x1, 0x0, 0x0, 0x40814}, 0x4004000) (async, rerun: 32) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x3}, 0x0) 05:00:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="84ffffff", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c0002c00000000000000000000005000800000000000000"], 0x24}}, 0x8000) 05:00:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x4}, 0x0) 05:00:07 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x575000) 05:00:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="14af000000", @ANYRES16=r5, @ANYBLOB="20002bbd7000fedbdf2503000000"], 0x14}, 0x1, 0x0, 0x0, 0x40}, 0x40004) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:07 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0xa0502, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r2, 0xc008551a, &(0x7f0000000040)=ANY=[@ANYBLOB="4509f4ff007f99000700000000000000"]) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x14}, 0x0) 05:00:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000b40)={&(0x7f0000000a80)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x1c, 0x0, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ',*'}]}, 0x1c}}, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000700), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000200), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r4, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_DOMAIN={0x10, 0x1, '/dev/audio#\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x4004084) r5 = syz_init_net_socket$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) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r7, &(0x7f00000008c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000880)={&(0x7f0000000840)={0x38, 0x0, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xf524e3c27243238a}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}]}, 0x38}, 0x1, 0x0, 0x0, 0x8001}, 0x4000000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r8) r9 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x14, r9, 0x1}, 0x14}}, 0x800) sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000004c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="0020ef128392965e513d91318f8737b04709e38ba18553bd6bdfe729384650abf26f6a2407217ed2e5767a0089b9421c637ac237636650f717ca1f05183338121f37be08a8218058f840bd097bb459b4c5e961d5636a547df7b723a9afeb5ab44a2d063f86ac07611f637427d0595689fee0bf17cf56f5f8f756bbe156ea4f2f60257eb7d501787bc6587e85f29bcdff23590f38b2e908fd3d55bf55d9732a8bb682dfe953634068fe646563dd36dd81c8bfe037b97739a6cf729f69827c5d4f65aa18f6d1943d6bcea0ff3c177582582dfea4b6e4b94ebf123a", @ANYRES16=r9, @ANYBLOB="000128bd7000fbdbdf250500000008000800ffffffff0800080064010102"], 0x24}, 0x1, 0x0, 0x0, 0x5}, 0x8000) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000640)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB="00000100000000002e2f66696c653000e889e5bbfa069f1e85b4f58ef5fb6e0a777fb10da73ae74a62587d5f96a5864b13de6251b99db00113a8c6bbf3920f702c3f40f8a2af79fa4007056fd97a40a687c66cdede519bee9ae1e3b4e58895be62e467b35b1569c99372dd665b012e3fa3d35b984481a5106b816a5e0129e824"]) syz_open_dev$audion(&(0x7f0000000080), 0x7, 0x101000) socketpair(0x15, 0x80000, 0x5, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000180)={&(0x7f0000000800)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f0000000d00)=ANY=[@ANYRESDEC, @ANYRES16=r2, @ANYBLOB="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"/279, @ANYRES32, @ANYRES16=r4, @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="0c0006000100000000000000"], 0x44}, 0x1, 0x0, 0x0, 0x40084}, 0x8041) syz_open_dev$audion(&(0x7f0000000740), 0x80000000, 0x101001) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r12) sendmsg$NLBL_MGMT_C_REMOVE(r13, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r14, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000a40)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000007c0)={&(0x7f0000000980)={0xac, r14, 0x408, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @multicast2}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}]}, 0xac}, 0x1, 0x0, 0x0, 0x4040854}, 0x40000) 05:00:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x5}, 0x0) 05:00:07 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x576000) 05:00:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="14af000000", @ANYRES16=r5, @ANYBLOB="20002bbd7000fedbdf2503000000"], 0x14}, 0x1, 0x0, 0x0, 0x40}, 0x40004) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:07 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0xa0502, 0x0) (async) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0xa0502, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r2, 0xc008551a, &(0x7f0000000040)=ANY=[@ANYBLOB="4509f4ff007f99000700000000000000"]) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x14}, 0x0) 05:00:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000b40)={&(0x7f0000000a80)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x1c, 0x0, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ',*'}]}, 0x1c}}, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000700), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000200), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r4, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_DOMAIN={0x10, 0x1, '/dev/audio#\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x4004084) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r7, &(0x7f00000008c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000880)={&(0x7f0000000840)={0x38, 0x0, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xf524e3c27243238a}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}]}, 0x38}, 0x1, 0x0, 0x0, 0x8001}, 0x4000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r8) (async) r9 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x14, r9, 0x1}, 0x14}}, 0x800) sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000004c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="0020ef128392965e513d91318f8737b04709e38ba18553bd6bdfe729384650abf26f6a2407217ed2e5767a0089b9421c637ac237636650f717ca1f05183338121f37be08a8218058f840bd097bb459b4c5e961d5636a547df7b723a9afeb5ab44a2d063f86ac07611f637427d0595689fee0bf17cf56f5f8f756bbe156ea4f2f60257eb7d501787bc6587e85f29bcdff23590f38b2e908fd3d55bf55d9732a8bb682dfe953634068fe646563dd36dd81c8bfe037b97739a6cf729f69827c5d4f65aa18f6d1943d6bcea0ff3c177582582dfea4b6e4b94ebf123a", @ANYRES16=r9, @ANYBLOB="000128bd7000fbdbdf250500000008000800ffffffff0800080064010102"], 0x24}, 0x1, 0x0, 0x0, 0x5}, 0x8000) (async) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000640)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB="00000100000000002e2f66696c653000e889e5bbfa069f1e85b4f58ef5fb6e0a777fb10da73ae74a62587d5f96a5864b13de6251b99db00113a8c6bbf3920f702c3f40f8a2af79fa4007056fd97a40a687c66cdede519bee9ae1e3b4e58895be62e467b35b1569c99372dd665b012e3fa3d35b984481a5106b816a5e0129e824"]) (async) syz_open_dev$audion(&(0x7f0000000080), 0x7, 0x101000) (async) socketpair(0x15, 0x80000, 0x5, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000180)={&(0x7f0000000800)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f0000000d00)=ANY=[@ANYRESDEC, @ANYRES16=r2, @ANYBLOB="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"/279, @ANYRES32, @ANYRES16=r4, @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="0c0006000100000000000000"], 0x44}, 0x1, 0x0, 0x0, 0x40084}, 0x8041) (async) syz_open_dev$audion(&(0x7f0000000740), 0x80000000, 0x101001) (async) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r14 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r12) sendmsg$NLBL_MGMT_C_REMOVE(r13, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r14, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000a40)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000007c0)={&(0x7f0000000980)={0xac, r14, 0x408, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @multicast2}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}]}, 0xac}, 0x1, 0x0, 0x0, 0x4040854}, 0x40000) 05:00:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x6}, 0x0) 05:00:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0xa0502, 0x0) ioctl$RTC_WKALM_RD(r2, 0x80287010, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r2, 0xc008551a, &(0x7f0000000040)=ANY=[@ANYBLOB="4509f4ff007f99000700000000000000"]) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}, 0x1, 0x0, 0x0, 0x14}, 0x0) 05:00:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="14af000000", @ANYRES16=r5, @ANYBLOB="20002bbd7000fedbdf2503000000"], 0x14}, 0x1, 0x0, 0x0, 0x40}, 0x40004) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x7}, 0x0) 05:00:07 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x577000) 05:00:07 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000b40)={&(0x7f0000000a80)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000b00)={&(0x7f0000000ac0)={0x1c, 0x0, 0x400, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x6, 0xa, ',*'}]}, 0x1c}}, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000700), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000200), r0) sendmsg$NLBL_MGMT_C_ADDDEF(r3, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, r4, 0x0, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_DOMAIN={0x10, 0x1, '/dev/audio#\x00'}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000}, 0x4004084) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r7, &(0x7f00000008c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000880)={&(0x7f0000000840)={0x38, 0x0, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xf524e3c27243238a}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}]}, 0x38}, 0x1, 0x0, 0x0, 0x8001}, 0x4000000) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r8) r9 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x14, r9, 0x1}, 0x14}}, 0x800) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000500)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000004c0)={&(0x7f0000000540)=ANY=[@ANYBLOB="0020ef128392965e513d91318f8737b04709e38ba18553bd6bdfe729384650abf26f6a2407217ed2e5767a0089b9421c637ac237636650f717ca1f05183338121f37be08a8218058f840bd097bb459b4c5e961d5636a547df7b723a9afeb5ab44a2d063f86ac07611f637427d0595689fee0bf17cf56f5f8f756bbe156ea4f2f60257eb7d501787bc6587e85f29bcdff23590f38b2e908fd3d55bf55d9732a8bb682dfe953634068fe646563dd36dd81c8bfe037b97739a6cf729f69827c5d4f65aa18f6d1943d6bcea0ff3c177582582dfea4b6e4b94ebf123a", @ANYRES16=r9, @ANYBLOB="000128bd7000fbdbdf250500000008000800ffffffff0800080064010102"], 0x24}, 0x1, 0x0, 0x0, 0x5}, 0x8000) ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT(0xffffffffffffffff, 0xc018937d, &(0x7f0000000640)=ANY=[@ANYBLOB="010000000100000018000000", @ANYRES32=0xffffffffffffffff, @ANYBLOB="00000100000000002e2f66696c653000e889e5bbfa069f1e85b4f58ef5fb6e0a777fb10da73ae74a62587d5f96a5864b13de6251b99db00113a8c6bbf3920f702c3f40f8a2af79fa4007056fd97a40a687c66cdede519bee9ae1e3b4e58895be62e467b35b1569c99372dd665b012e3fa3d35b984481a5106b816a5e0129e824"]) (async) syz_open_dev$audion(&(0x7f0000000080), 0x7, 0x101000) (async) socketpair(0x15, 0x80000, 0x5, &(0x7f00000000c0)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000180)={&(0x7f0000000800)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000140)={&(0x7f0000000d00)=ANY=[@ANYRESDEC, @ANYRES16=r2, @ANYBLOB="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"/279, @ANYRES32, @ANYRES16=r4, @ANYRES32=r10, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r11, @ANYBLOB="0c0006000100000000000000"], 0x44}, 0x1, 0x0, 0x0, 0x40084}, 0x8041) (async) syz_open_dev$audion(&(0x7f0000000740), 0x80000000, 0x101001) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r13 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r14 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r12) sendmsg$NLBL_MGMT_C_REMOVE(r13, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r14, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r5, &(0x7f0000000a40)={&(0x7f0000000780)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000007c0)={&(0x7f0000000980)={0xac, r14, 0x408, 0x70bd26, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @empty}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @multicast2}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @multicast1}}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}]}, 0xac}, 0x1, 0x0, 0x0, 0x4040854}, 0x40000) 05:00:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, r6, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ']'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '^(}'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40800) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x8}, 0x0) 05:00:07 executing program 4: getuid() r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000002c0)={&(0x7f00000003c0)={0x7c, r2, 0x2, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010100}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8080}, 0x40) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8884}, 0x4000000) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x64, r2, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0xea0763e5b582238d}, 0x4000044) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x14, r1, 0x4}, 0x14}, 0x1, 0x0, 0x0, 0x4080}, 0x0) 05:00:07 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x578000) 05:00:07 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xa}, 0x0) 05:00:07 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x579000) [ 3514.836069] nbd: must specify an index to disconnect 05:00:07 executing program 4: getuid() (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000002c0)={&(0x7f00000003c0)={0x7c, r2, 0x2, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010100}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8080}, 0x40) (async) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8884}, 0x4000000) (async) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x64, r2, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0xea0763e5b582238d}, 0x4000044) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x14, r1, 0x4}, 0x14}, 0x1, 0x0, 0x0, 0x4080}, 0x0) 05:00:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, r6, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ']'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '^(}'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40800) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, r6, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ']'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '^(}'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40800) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:07 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xf}, 0x0) 05:00:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x40010) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) r7 = syz_open_dev$audion(&(0x7f0000000180), 0x0, 0x30c01) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x80, r6, 0x4, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '!u%'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xba1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x40000}, 0x44000) [ 3514.923265] nbd: must specify an index to disconnect 05:00:07 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x57a000) 05:00:07 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:07 executing program 4: getuid() (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000002c0)={&(0x7f00000003c0)={0x7c, r2, 0x2, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @rand_addr=0x64010100}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x5}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1={0xfc, 0x1, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010100}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8080}, 0x40) (async) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r2, 0x2, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x8884}, 0x4000000) (async) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x64, r2, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}]}, 0x64}, 0x1, 0x0, 0x0, 0xea0763e5b582238d}, 0x4000044) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x14, r1, 0x4}, 0x14}, 0x1, 0x0, 0x0, 0x4080}, 0x0) 05:00:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x58, r6, 0x20, 0x70bd27, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, ']'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '^(}'}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x800}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x58}, 0x1, 0x0, 0x0, 0x4004}, 0x40800) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:07 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x57b000) 05:00:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x40010) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) syz_open_dev$audion(&(0x7f0000000180), 0x0, 0x30c01) (async) r7 = syz_open_dev$audion(&(0x7f0000000180), 0x0, 0x30c01) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x80, r6, 0x4, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '!u%'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xba1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x40000}, 0x44000) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x80, r6, 0x4, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '!u%'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xba1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x40000}, 0x44000) [ 3515.006319] nbd: must specify an index to disconnect [ 3515.018168] nla_parse: 98 callbacks suppressed [ 3515.018178] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 05:00:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:07 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:07 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x48}, 0x0) [ 3515.063715] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 05:00:07 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x57c000) 05:00:07 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r5, 0x1, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x80}, 0x8000) [ 3515.125839] nbd: must specify an index to disconnect 05:00:07 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:07 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x40010) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) r7 = syz_open_dev$audion(&(0x7f0000000180), 0x0, 0x30c01) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x80, r6, 0x4, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '!u%'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xba1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x40000}, 0x44000) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x40010) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) (async) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) (async) syz_open_dev$audion(&(0x7f0000000180), 0x0, 0x30c01) (async) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x80, r6, 0x4, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '!u%'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xba1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x40000}, 0x44000) (async) 05:00:07 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x57d000) 05:00:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x4c}, 0x0) [ 3515.200376] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3515.222272] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 05:00:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (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$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r5, 0x1, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x80}, 0x8000) 05:00:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="c4e632d6f118a7e3fadae19362e87565c2b01f588a01432d96f3f658cae1148e4bdf6ff0a456d0d378f32d8c8eaff8350232f33cef5743f578fc8900e2f9ac325420fdc5eaa72ec17563605846919c6fca9f141593254460741c338d5b8681c3bf5369881cb95e98ad2547903e8eabeb088e49ba89720c061263ab58825ef2685a9795ad90f887840c8c741f6427902a6520be65ef09159c7f3c870b1dc5c0bb2573e3f6be029f8bc88c03029c37ee0e249e003048cff427633ffb3978ecd265c14db541c43492a138ee461deb01162c822500df196912a13d6cca46d5228c8b29b062ebd5dac3a942dcd9ea8c1cc9a11d6e203d8420ba98dcdc444db6e6b64655b2b046d6b386cfd7c806", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:08 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x57e000) [ 3515.255160] nbd: must specify an index to disconnect 05:00:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x100, 0x70bd26, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40}, 0x80) r4 = socket(0x1f, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000200000002c000780f1ff0100", @ANYRES32, @ANYBLOB="e970cd3edd153c7a0b8b06f957aa1742571fe4766fb0fe4d343a31b0960269c1e310c2838e81fc79ace1128f116a0e7142a7726e5ef426b55f846281dad9c92c7c9348773e0486842a4e982c74f03d0a9be73bf7d5f1c22b08f05201c34a53f0e5f6e0b4cff3acb33babe4b394778f5d11e7548fcfb7d5a19f71292f967d0947e03bcafb758b535c6120e26b555d09052612d7cfbb9d494dedc8e5734c986d8625d148d04cc91fb397bc518fd916439d924a213982ab7cb7867f50f4eb10cc238c21a031cc7339623cbee82e1c1d2063898bd8136cf2fec000cb108b5f421b77caef4441fbf6f4ee849fff2c33819c8879bf3345bf5d", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00080003c0000000000000"], 0x58}, 0x1, 0x0, 0x0, 0x40c0881}, 0x0) 05:00:08 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) [ 3515.311582] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3515.334363] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 05:00:08 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x57f000) 05:00:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 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$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r5, 0x1, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x80}, 0x8000) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r5, 0x1, 0x70bd2c, 0x25dfdbfe, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x11}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @dev={0xfe, 0x80, '\x00', 0x1b}}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x48}, 0x1, 0x0, 0x0, 0x80}, 0x8000) 05:00:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x60}, 0x0) 05:00:08 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) [ 3515.364499] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. 05:00:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x100, 0x70bd26, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40}, 0x80) (async) r4 = socket(0x1f, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000200000002c000780f1ff0100", @ANYRES32, @ANYBLOB="e970cd3edd153c7a0b8b06f957aa1742571fe4766fb0fe4d343a31b0960269c1e310c2838e81fc79ace1128f116a0e7142a7726e5ef426b55f846281dad9c92c7c9348773e0486842a4e982c74f03d0a9be73bf7d5f1c22b08f05201c34a53f0e5f6e0b4cff3acb33babe4b394778f5d11e7548fcfb7d5a19f71292f967d0947e03bcafb758b535c6120e26b555d09052612d7cfbb9d494dedc8e5734c986d8625d148d04cc91fb397bc518fd916439d924a213982ab7cb7867f50f4eb10cc238c21a031cc7339623cbee82e1c1d2063898bd8136cf2fec000cb108b5f421b77caef4441fbf6f4ee849fff2c33819c8879bf3345bf5d", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00080003c0000000000000"], 0x58}, 0x1, 0x0, 0x0, 0x40c0881}, 0x0) 05:00:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000ffcba73fa88e6519ec170200000000000000000004000780"], 0x24}}, 0x0) 05:00:08 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x580000) 05:00:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="08002dbd7000fbdbdf250200000004000a0008000a006e6264004901d61d151851b085e713b398416b8230f1913e6a18a5677444494709c6df4679f4452d1c43b8074ba81416082980b665e5145aeaa3a25906ddb19462745871989d44b77dc07807edb4b44e3bc7016c771d5a99a5d32d1093a440d77e92d3b740ef37f7e087f9f66c89e0d08ce88c66d8e5a4ed06412230d4af670aa2bd540469abe618f628588b617041b74d75ec92e8534fbb7b77b6e4806739bec9719ea771c7fb5c5628bc0aaa3ecd82e612c4022ad5c89c4626e1f047bbd503d6a6594b281cb7a02508fa8aa949b9350ba89e4dd110ac197c161a"], 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x4885) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[], 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000003c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xe599919367ca4d00}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x54, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffff800}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '@\\\xda*[/-'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400000}]}, 0x54}, 0x1, 0x0, 0x0, 0x26000888}, 0x22000010) [ 3515.437766] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3515.466903] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 05:00:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000ffcba73fa88e6519ec170200000000000000000004000780"], 0x24}}, 0x0) 05:00:08 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x68}, 0x0) 05:00:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTALL(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x14, 0x0, 0x100, 0x70bd26, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40}, 0x80) (async) r4 = socket(0x1f, 0x3, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c00020000000000200000002c000780f1ff0100", @ANYRES32, @ANYBLOB="e970cd3edd153c7a0b8b06f957aa1742571fe4766fb0fe4d343a31b0960269c1e310c2838e81fc79ace1128f116a0e7142a7726e5ef426b55f846281dad9c92c7c9348773e0486842a4e982c74f03d0a9be73bf7d5f1c22b08f05201c34a53f0e5f6e0b4cff3acb33babe4b394778f5d11e7548fcfb7d5a19f71292f967d0947e03bcafb758b535c6120e26b555d09052612d7cfbb9d494dedc8e5734c986d8625d148d04cc91fb397bc518fd916439d924a213982ab7cb7867f50f4eb10cc238c21a031cc7339623cbee82e1c1d2063898bd8136cf2fec000cb108b5f421b77caef4441fbf6f4ee849fff2c33819c8879bf3345bf5d", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="0c00080003c0000000000000"], 0x58}, 0x1, 0x0, 0x0, 0x40c0881}, 0x0) [ 3515.505487] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. 05:00:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x6c}, 0x0) 05:00:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010000000000ffcba73fa88e6519ec170200000000000000000004000780"], 0x24}}, 0x0) 05:00:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="08002dbd7000fbdbdf250200000004000a0008000a006e6264004901d61d151851b085e713b398416b8230f1913e6a18a5677444494709c6df4679f4452d1c43b8074ba81416082980b665e5145aeaa3a25906ddb19462745871989d44b77dc07807edb4b44e3bc7016c771d5a99a5d32d1093a440d77e92d3b740ef37f7e087f9f66c89e0d08ce88c66d8e5a4ed06412230d4af670aa2bd540469abe618f628588b617041b74d75ec92e8534fbb7b77b6e4806739bec9719ea771c7fb5c5628bc0aaa3ecd82e612c4022ad5c89c4626e1f047bbd503d6a6594b281cb7a02508fa8aa949b9350ba89e4dd110ac197c161a"], 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x4885) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[], 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000003c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xe599919367ca4d00}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x54, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffff800}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '@\\\xda*[/-'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400000}]}, 0x54}, 0x1, 0x0, 0x0, 0x26000888}, 0x22000010) 05:00:08 executing program 0: r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r0, 0x80287010, 0x0) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r0, 0x6, 0x21, &(0x7f0000000000)="40859a01fbf0779136826ae37dbaeba1", 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f0000000040)=[@timestamp], 0x1) 05:00:08 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x581000) 05:00:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x74}, 0x0) 05:00:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, r5, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x30}}, 0x28000880) 05:00:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r1, @ANYBLOB="08002dbd7000fbdbdf250200000004000a0008000a006e6264004901d61d151851b085e713b398416b8230f1913e6a18a5677444494709c6df4679f4452d1c43b8074ba81416082980b665e5145aeaa3a25906ddb19462745871989d44b77dc07807edb4b44e3bc7016c771d5a99a5d32d1093a440d77e92d3b740ef37f7e087f9f66c89e0d08ce88c66d8e5a4ed06412230d4af670aa2bd540469abe618f628588b617041b74d75ec92e8534fbb7b77b6e4806739bec9719ea771c7fb5c5628bc0aaa3ecd82e612c4022ad5c89c4626e1f047bbd503d6a6594b281cb7a02508fa8aa949b9350ba89e4dd110ac197c161a"], 0x20}, 0x1, 0x0, 0x0, 0x4000}, 0x4885) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[], 0x24}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff}) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f00000003c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0xe599919367ca4d00}, 0xc, &(0x7f0000000340)={&(0x7f0000000280)={0x54, r1, 0x200, 0x70bd2a, 0x25dfdbfc, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffff800}, @NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8}, {0x8, 0x1, r5}]}, @NBD_ATTR_BACKEND_IDENTIFIER={0xb, 0xa, '@\\\xda*[/-'}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x400000}]}, 0x54}, 0x1, 0x0, 0x0, 0x26000888}, 0x22000010) 05:00:08 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x582000) 05:00:08 executing program 0: r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r0, 0x80287010, 0x0) (async) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r0, 0x6, 0x21, &(0x7f0000000000)="40859a01fbf0779136826ae37dbaeba1", 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f0000000040)=[@timestamp], 0x1) 05:00:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x7a}, 0x0) 05:00:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async, rerun: 64) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, r5, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x30}}, 0x28000880) (rerun: 64) 05:00:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xf0}, 0x0) 05:00:08 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x583000) 05:00:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:08 executing program 0: r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r0, 0x80287010, 0x0) (async) ioctl$RTC_WKALM_RD(r0, 0x80287010, 0x0) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r0, 0x6, 0x21, &(0x7f0000000000)="40859a01fbf0779136826ae37dbaeba1", 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, &(0x7f0000000040)=[@timestamp], 0x1) 05:00:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:08 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x584000) 05:00:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x300}, 0x0) 05:00:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:08 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x585000) 05:00:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (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$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTDEF(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, r5, 0x4, 0x70bd29, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x30}}, 0x28000880) 05:00:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x500}, 0x0) 05:00:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r1) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r3, 0x1, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}]}, 0x40}, 0x1, 0x0, 0x0, 0x8001}, 0x8000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r5 = syz_init_net_socket$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_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) sendmsg$NLBL_MGMT_C_REMOVE(r7, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r8, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r5, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x38, r8, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, '}\xe5,\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}]}, 0x38}, 0x1, 0x0, 0x0, 0x40002}, 0x8001) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x1, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000001c0)=ANY=[@ANYBLOB="24054456d114958cb25a565e82d89042890fbe6c1b9f1bafa491ecb737cf50135dd7016b6bfaf1555a36000000001c77d5c99238b874394767acdcd73885544d8dde94f4bdbd56c76a0ccaf0eeff0eb12251de44582ab59e1b2f60ab09e4927646067ae801ab625bf98cc859fbe54d27c23dae4864b7018363673189708abbdb0dca7abe311c95726636f794af303989c2377a11390c0d0ef41fc6c9b5644eeb40f9cd9be0bcf46aedeb5d6c6d0cf219", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) ioctl$RTC_ALM_READ(0xffffffffffffffff, 0x80247008, &(0x7f0000000040)) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), 0xffffffffffffffff) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000600), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14456c", @ANYRES16=r4, @ANYBLOB="020027bd00000000df2504002000"], 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8801) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1ef2a1361adafa2}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r3, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20040090}, 0x4000000) 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$netlbl_mgmt(&(0x7f0000000340), r5) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000005c0), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f0000000580)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000540)={&(0x7f0000000640)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="04002cbd0300fddbdf250800000008000400e3000000080008000a01010002cea9ab720938d99c073e1aa0c24cb7f38155135108862ba683366e41cc72de5c44c6ee4accf025a456f6ad66499f6926e45e81a758bcb414b709baa9c5a13cef76070b99fc23c48a1f9e6cf59710545657212780f5133151f237b87537d5da07ff8d89ea3b5ca14f6bd22486d652bc53a300990eeb49a1f3177fa2efb7e7eefb803aaff2dcac61f753500a7bf8b4da67f8156d897a305588ed8c8f530a06f210d57336794d7cbca9a428"], 0x24}, 0x1, 0x0, 0x0, 0x4000080}, 0x24000000) 05:00:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:08 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x586000) 05:00:08 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x600}, 0x0) 05:00:08 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x0, 0x70bd26, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:08 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r1) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r3, 0x1, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}]}, 0x40}, 0x1, 0x0, 0x0, 0x8001}, 0x8000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) 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$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) sendmsg$NLBL_MGMT_C_REMOVE(r7, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r8, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r5, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x38, r8, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, '}\xe5,\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}]}, 0x38}, 0x1, 0x0, 0x0, 0x40002}, 0x8001) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x1, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:08 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:08 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000001c0)=ANY=[@ANYBLOB="24054456d114958cb25a565e82d89042890fbe6c1b9f1bafa491ecb737cf50135dd7016b6bfaf1555a36000000001c77d5c99238b874394767acdcd73885544d8dde94f4bdbd56c76a0ccaf0eeff0eb12251de44582ab59e1b2f60ab09e4927646067ae801ab625bf98cc859fbe54d27c23dae4864b7018363673189708abbdb0dca7abe311c95726636f794af303989c2377a11390c0d0ef41fc6c9b5644eeb40f9cd9be0bcf46aedeb5d6c6d0cf219", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) ioctl$RTC_ALM_READ(0xffffffffffffffff, 0x80247008, &(0x7f0000000040)) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), 0xffffffffffffffff) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000600), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14456c", @ANYRES16=r4, @ANYBLOB="020027bd00000000df2504002000"], 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8801) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1ef2a1361adafa2}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r3, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20040090}, 0x4000000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r5) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000005c0), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f0000000580)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000540)={&(0x7f0000000640)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="04002cbd0300fddbdf250800000008000400e3000000080008000a01010002cea9ab720938d99c073e1aa0c24cb7f38155135108862ba683366e41cc72de5c44c6ee4accf025a456f6ad66499f6926e45e81a758bcb414b709baa9c5a13cef76070b99fc23c48a1f9e6cf59710545657212780f5133151f237b87537d5da07ff8d89ea3b5ca14f6bd22486d652bc53a300990eeb49a1f3177fa2efb7e7eefb803aaff2dcac61f753500a7bf8b4da67f8156d897a305588ed8c8f530a06f210d57336794d7cbca9a428"], 0x24}, 0x1, 0x0, 0x0, 0x4000080}, 0x24000000) 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$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000001c0)=ANY=[@ANYBLOB="24054456d114958cb25a565e82d89042890fbe6c1b9f1bafa491ecb737cf50135dd7016b6bfaf1555a36000000001c77d5c99238b874394767acdcd73885544d8dde94f4bdbd56c76a0ccaf0eeff0eb12251de44582ab59e1b2f60ab09e4927646067ae801ab625bf98cc859fbe54d27c23dae4864b7018363673189708abbdb0dca7abe311c95726636f794af303989c2377a11390c0d0ef41fc6c9b5644eeb40f9cd9be0bcf46aedeb5d6c6d0cf219", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) ioctl$RTC_ALM_READ(0xffffffffffffffff, 0x80247008, &(0x7f0000000040)) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), 0xffffffffffffffff) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000600), r2) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14456c", @ANYRES16=r4, @ANYBLOB="020027bd00000000df2504002000"], 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8801) (async) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1ef2a1361adafa2}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r3, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20040090}, 0x4000000) (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$netlbl_mgmt(&(0x7f0000000340), r5) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000005c0), r6) (async) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f0000000580)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000540)={&(0x7f0000000640)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="04002cbd0300fddbdf250800000008000400e3000000080008000a01010002cea9ab720938d99c073e1aa0c24cb7f38155135108862ba683366e41cc72de5c44c6ee4accf025a456f6ad66499f6926e45e81a758bcb414b709baa9c5a13cef76070b99fc23c48a1f9e6cf59710545657212780f5133151f237b87537d5da07ff8d89ea3b5ca14f6bd22486d652bc53a300990eeb49a1f3177fa2efb7e7eefb803aaff2dcac61f753500a7bf8b4da67f8156d897a305588ed8c8f530a06f210d57336794d7cbca9a428"], 0x24}, 0x1, 0x0, 0x0, 0x4000080}, 0x24000000) (async) 05:00:08 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x587000) 05:00:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:09 executing program 0: syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r1) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r3, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x40, r3, 0x1, 0x70bd2b, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @loopback}]}, 0x40}, 0x1, 0x0, 0x0, 0x8001}, 0x8000) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) sendmsg$NLBL_MGMT_C_REMOVE(r7, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r8, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r7, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r8, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r5, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x38, r8, 0x20, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1e}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, '}\xe5,\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2={0xfc, 0x2, '\x00', 0x1}}]}, 0x38}, 0x1, 0x0, 0x0, 0x40002}, 0x8001) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x1, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x1, r4, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x700}, 0x0) 05:00:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x0, 0x70bd26, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000001c0)=ANY=[@ANYBLOB="24054456d114958cb25a565e82d89042890fbe6c1b9f1bafa491ecb737cf50135dd7016b6bfaf1555a36000000001c77d5c99238b874394767acdcd73885544d8dde94f4bdbd56c76a0ccaf0eeff0eb12251de44582ab59e1b2f60ab09e4927646067ae801ab625bf98cc859fbe54d27c23dae4864b7018363673189708abbdb0dca7abe311c95726636f794af303989c2377a11390c0d0ef41fc6c9b5644eeb40f9cd9be0bcf46aedeb5d6c6d0cf219", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) ioctl$RTC_ALM_READ(0xffffffffffffffff, 0x80247008, &(0x7f0000000040)) (async) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), 0xffffffffffffffff) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000600), r2) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14456c", @ANYRES16=r4, @ANYBLOB="020027bd00000000df2504002000"], 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8801) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1ef2a1361adafa2}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r3, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20040090}, 0x4000000) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r5) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000005c0), r6) (async) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f0000000580)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000540)={&(0x7f0000000640)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="04002cbd0300fddbdf250800000008000400e3000000080008000a01010002cea9ab720938d99c073e1aa0c24cb7f38155135108862ba683366e41cc72de5c44c6ee4accf025a456f6ad66499f6926e45e81a758bcb414b709baa9c5a13cef76070b99fc23c48a1f9e6cf59710545657212780f5133151f237b87537d5da07ff8d89ea3b5ca14f6bd22486d652bc53a300990eeb49a1f3177fa2efb7e7eefb803aaff2dcac61f753500a7bf8b4da67f8156d897a305588ed8c8f530a06f210d57336794d7cbca9a428"], 0x24}, 0x1, 0x0, 0x0, 0x4000080}, 0x24000000) 05:00:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r4 = syz_open_dev$vcsu(&(0x7f0000000080), 0x1, 0x2) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r6 = socket(0x27, 0x3, 0x5eaf) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r8 = syz_open_dev$vcsu(&(0x7f0000000140), 0xfff, 0x12041) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000280)={&(0x7f00000004c0)=ANY=[@ANYBLOB="a0000000", @ANYRES16=r1, @ANYBLOB="000427bd7000fcdbdf25010000000c00060001000000000000002400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="1c00078008000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000900800000000c0008001f0000f42e46ca5146cc400000000000000000000c000500680100a85c09c59553a03eb6f2f200000000001400078008000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB], 0xa0}, 0x1, 0x0, 0x0, 0x10}, 0x4) 05:00:09 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x588000) 05:00:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 05:00:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x0, 0x70bd26, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xa00}, 0x0) 05:00:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) r4 = syz_open_dev$vcsu(&(0x7f0000000080), 0x1, 0x2) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r6 = socket(0x27, 0x3, 0x5eaf) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r8 = syz_open_dev$vcsu(&(0x7f0000000140), 0xfff, 0x12041) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000280)={&(0x7f00000004c0)=ANY=[@ANYBLOB="a0000000", @ANYRES16=r1, @ANYBLOB="000427bd7000fcdbdf25010000000c00060001000000000000002400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="1c00078008000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000900800000000c0008001f0000f42e46ca5146cc400000000000000000000c000500680100a85c09c59553a03eb6f2f200000000001400078008000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB], 0xa0}, 0x1, 0x0, 0x0, 0x10}, 0x4) 05:00:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x38}, 0x1, 0x0, 0x0, 0x48000}, 0x20040000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 05:00:09 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x589000) 05:00:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x38}, 0x1, 0x0, 0x0, 0x48000}, 0x20040000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x38}, 0x1, 0x0, 0x0, 0x48000}, 0x20040000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xf00}, 0x0) 05:00:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 05:00:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x38}, 0x1, 0x0, 0x0, 0x48000}, 0x20040000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x38, 0x0, 0x2, 0x70bd2d, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x38}, 0x1, 0x0, 0x0, 0x48000}, 0x20040000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000004c0)={&(0x7f00000003c0)={0x30, r6, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_CV4DOI={0x4, 0x4, 0x3}]}, 0x30}, 0x1, 0x0, 0x0, 0x4040004}, 0xc04c095) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000007c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100000000000000000002000000aa0be2cb8313d06e720140da4cafc746b763b5fb73e307791aabd718187819e712eda1d5b97fa183e42fab3a026098697f"], 0x14}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r9) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r10, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000780)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x38, r10, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x40010}, 0x55) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000009c0)={&(0x7f0000000840)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000980)={&(0x7f0000000900)={0x74, r1, 0x62c, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20000010}, 0x10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r11) sendmsg$NLBL_MGMT_C_REMOVE(r12, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r13, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x104030}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, r13, 0x1, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}, @NLBL_MGMT_A_FAMILY={0x6}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000540)=ANY=[@ANYBLOB="241918b48be76b3545e8e4d4e374c9da87a8787ccada3b58b85817bcb836073713674b6a51548d94d22ce2951bf1b1c73524b83d4b476d9c40c1cd0da4880115325b7ef2845b30e737a27b501590d8d65cebe9a25a79c16e25e31c1f2f687d1acb61404fc1", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c020200000000000000000004000780"], 0x24}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r1, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffff220}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffb1}]}, 0x44}, 0x1, 0x0, 0x0, 0x801}, 0x5) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) sendmsg$L2TP_CMD_TUNNEL_DELETE(r14, &(0x7f0000000680)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, 0x0, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x884) 05:00:09 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x58a000) 05:00:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x2000}, 0x0) 05:00:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (async) r4 = syz_open_dev$vcsu(&(0x7f0000000080), 0x1, 0x2) r5 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) (async) r6 = socket(0x27, 0x3, 0x5eaf) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) (async) r8 = syz_open_dev$vcsu(&(0x7f0000000140), 0xfff, 0x12041) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f00000002c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000280)={&(0x7f00000004c0)=ANY=[@ANYBLOB="a0000000", @ANYRES16=r1, @ANYBLOB="000427bd7000fcdbdf25010000000c00060001000000000000002400078008000100", @ANYRES32=r3, @ANYBLOB="08000100", @ANYRES32=r4, @ANYBLOB="08000100", @ANYRES32=r5, @ANYBLOB="08000100", @ANYRES32=r6, @ANYBLOB="1c00078008000100", @ANYRES32=r7, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32, @ANYBLOB="08000900800000000c0008001f0000f42e46ca5146cc400000000000000000000c000500680100a85c09c59553a03eb6f2f200000000001400078008000100", @ANYRES32=r8, @ANYBLOB="08000100", @ANYRES32=r9, @ANYBLOB], 0xa0}, 0x1, 0x0, 0x0, 0x10}, 0x4) 05:00:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x844800}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x4c, r2, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4008014}, 0x20044084) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00@', @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 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$netlbl_mgmt(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_LISTDEF(r7, &(0x7f00000004c0)={&(0x7f0000000340), 0xc, &(0x7f0000000400)={&(0x7f0000000500)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="020028bd7000ffc64b6843009f51dbdf250600000014000600000000001e1d53570000ffff0a01010106000b000a000000a022bd83fb8d2c17257b451eaa0650acb94e3bb0f914ddf265e839ac967535ba9ebfc1f6d33033849c77446c884a649a62f7ca585cd8a3575d70b1f3a1ade585c442d2f035f022ea91a7c8c574b8e832cd2332b793071dbe092ff676d9bb766a0334fc26764b2b629c7001a031945c23bc06fe1e6363681a698af68fa309715ea83c9a1d0000"], 0x30}, 0x1, 0x0, 0x0, 0x4044001}, 0x2000c811) sendmsg$NLBL_MGMT_C_LISTDEF(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r6, 0x3, 0x70bd2b, 0xffffff02, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x28515ef6043e6291}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x50}, 0x1, 0x0, 0x0, 0x800}, 0x1) 05:00:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x3f00}, 0x0) 05:00:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) [ 3516.635491] nbd: must specify an index to disconnect 05:00:09 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x58b000) 05:00:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async, rerun: 32) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000004c0)={&(0x7f00000003c0)={0x30, r6, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_CV4DOI={0x4, 0x4, 0x3}]}, 0x30}, 0x1, 0x0, 0x0, 0x4040004}, 0xc04c095) (async, rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000007c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100000000000000000002000000aa0be2cb8313d06e720140da4cafc746b763b5fb73e307791aabd718187819e712eda1d5b97fa183e42fab3a026098697f"], 0x14}}, 0x0) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r9) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r10, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000780)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x38, r10, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x40010}, 0x55) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000009c0)={&(0x7f0000000840)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000980)={&(0x7f0000000900)={0x74, r1, 0x62c, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20000010}, 0x10) (async, rerun: 64) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r13 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r11) sendmsg$NLBL_MGMT_C_REMOVE(r12, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r13, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x104030}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, r13, 0x1, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}, @NLBL_MGMT_A_FAMILY={0x6}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000540)=ANY=[@ANYBLOB="241918b48be76b3545e8e4d4e374c9da87a8787ccada3b58b85817bcb836073713674b6a51548d94d22ce2951bf1b1c73524b83d4b476d9c40c1cd0da4880115325b7ef2845b30e737a27b501590d8d65cebe9a25a79c16e25e31c1f2f687d1acb61404fc1", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c020200000000000000000004000780"], 0x24}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r1, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffff220}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffb1}]}, 0x44}, 0x1, 0x0, 0x0, 0x801}, 0x5) (async) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) (async) sendmsg$L2TP_CMD_TUNNEL_DELETE(r14, &(0x7f0000000680)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, 0x0, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x884) 05:00:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x4800}, 0x0) 05:00:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x508, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x14}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x844800}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x4c, r2, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4008014}, 0x20044084) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00@', @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 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$netlbl_mgmt(&(0x7f0000000040), r0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_LISTDEF(r7, &(0x7f00000004c0)={&(0x7f0000000340), 0xc, &(0x7f0000000400)={&(0x7f0000000500)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="020028bd7000ffc64b6843009f51dbdf250600000014000600000000001e1d53570000ffff0a01010106000b000a000000a022bd83fb8d2c17257b451eaa0650acb94e3bb0f914ddf265e839ac967535ba9ebfc1f6d33033849c77446c884a649a62f7ca585cd8a3575d70b1f3a1ade585c442d2f035f022ea91a7c8c574b8e832cd2332b793071dbe092ff676d9bb766a0334fc26764b2b629c7001a031945c23bc06fe1e6363681a698af68fa309715ea83c9a1d0000"], 0x30}, 0x1, 0x0, 0x0, 0x4044001}, 0x2000c811) sendmsg$NLBL_MGMT_C_LISTDEF(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r6, 0x3, 0x70bd2b, 0xffffff02, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x28515ef6043e6291}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x50}, 0x1, 0x0, 0x0, 0x800}, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000001c0), 0xffffffffffffffff) (async) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x844800}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x4c, r2, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4008014}, 0x20044084) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00@', @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 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$netlbl_mgmt(&(0x7f0000000040), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTDEF(r7, &(0x7f00000004c0)={&(0x7f0000000340), 0xc, &(0x7f0000000400)={&(0x7f0000000500)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="020028bd7000ffc64b6843009f51dbdf250600000014000600000000001e1d53570000ffff0a01010106000b000a000000a022bd83fb8d2c17257b451eaa0650acb94e3bb0f914ddf265e839ac967535ba9ebfc1f6d33033849c77446c884a649a62f7ca585cd8a3575d70b1f3a1ade585c442d2f035f022ea91a7c8c574b8e832cd2332b793071dbe092ff676d9bb766a0334fc26764b2b629c7001a031945c23bc06fe1e6363681a698af68fa309715ea83c9a1d0000"], 0x30}, 0x1, 0x0, 0x0, 0x4044001}, 0x2000c811) (async) sendmsg$NLBL_MGMT_C_LISTDEF(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r6, 0x3, 0x70bd2b, 0xffffff02, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x28515ef6043e6291}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x50}, 0x1, 0x0, 0x0, 0x800}, 0x1) (async) 05:00:09 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x58c000) 05:00:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x4c00}, 0x0) 05:00:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x508, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x14}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 3516.817422] nbd: must specify an index to disconnect 05:00:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x6000}, 0x0) 05:00:09 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x58d000) 05:00:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x0, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x844800}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x4c, r2, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x0, 0x0}}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4008014}, 0x20044084) (async) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00@', @ANYRES16=r3, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTDEF(r7, &(0x7f00000004c0)={&(0x7f0000000340), 0xc, &(0x7f0000000400)={&(0x7f0000000500)=ANY=[@ANYBLOB='0\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="020028bd7000ffc64b6843009f51dbdf250600000014000600000000001e1d53570000ffff0a01010106000b000a000000a022bd83fb8d2c17257b451eaa0650acb94e3bb0f914ddf265e839ac967535ba9ebfc1f6d33033849c77446c884a649a62f7ca585cd8a3575d70b1f3a1ade585c442d2f035f022ea91a7c8c574b8e832cd2332b793071dbe092ff676d9bb766a0334fc26764b2b629c7001a031945c23bc06fe1e6363681a698af68fa309715ea83c9a1d0000"], 0x30}, 0x1, 0x0, 0x0, 0x4044001}, 0x2000c811) sendmsg$NLBL_MGMT_C_LISTDEF(r5, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x50, r6, 0x3, 0x70bd2b, 0xffffff02, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @remote}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x28515ef6043e6291}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x50}, 0x1, 0x0, 0x0, 0x800}, 0x1) 05:00:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r4) (rerun: 32) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r2, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000004c0)={&(0x7f00000003c0)={0x30, r6, 0x1, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @local}, @NLBL_MGMT_A_CV4DOI={0x4, 0x4, 0x3}]}, 0x30}, 0x1, 0x0, 0x0, 0x4040004}, 0xc04c095) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f00000007c0)=ANY=[@ANYBLOB="14000000", @ANYRES16=0x0, @ANYBLOB="0100000000000000000002000000aa0be2cb8313d06e720140da4cafc746b763b5fb73e307791aabd718187819e712eda1d5b97fa183e42fab3a026098697f"], 0x14}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r9) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r10, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r7, &(0x7f0000000780)={&(0x7f00000006c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000740)={&(0x7f0000000700)={0x38, r10, 0x1, 0x70bd2a, 0x25dfdbfe, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x6}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}]}, 0x38}, 0x1, 0x0, 0x0, 0x40010}, 0x55) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, 0x0) sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000009c0)={&(0x7f0000000840)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000980)={&(0x7f0000000900)={0x74, r1, 0x62c, 0x70bd26, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x8}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x20000010}, 0x10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r13 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r11) sendmsg$NLBL_MGMT_C_REMOVE(r12, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r13, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x104030}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x48, r13, 0x1, 0x70bd29, 0x25dfdbfc, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @loopback}, @NLBL_MGMT_A_FAMILY={0x6}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0x20000000) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000540)=ANY=[@ANYBLOB="241918b48be76b3545e8e4d4e374c9da87a8787ccada3b58b85817bcb836073713674b6a51548d94d22ce2951bf1b1c73524b83d4b476d9c40c1cd0da4880115325b7ef2845b30e737a27b501590d8d65cebe9a25a79c16e25e31c1f2f687d1acb61404fc1", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c020200000000000000000004000780"], 0x24}}, 0x0) (async, rerun: 32) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r2) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r1, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0xfffffffffffff220}, @NBD_ATTR_CLIENT_FLAGS={0xc}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xffffffffffffffb1}]}, 0x44}, 0x1, 0x0, 0x0, 0x801}, 0x5) (async) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) (async) sendmsg$L2TP_CMD_TUNNEL_DELETE(r14, &(0x7f0000000680)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, 0x0, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@L2TP_ATTR_PEER_SESSION_ID={0x8, 0xc, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040001}, 0x884) 05:00:09 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x508, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x14}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x508, 0x70bd2d, 0x25dfdbfd, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x1c}, 0x1, 0x0, 0x0, 0x14}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x6800}, 0x0) 05:00:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x0, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:09 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x58e000) 05:00:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000600)={0xffffffffffffffff}) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000700)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x44, r4, 0x0, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4800}, 0x40011) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000740), r7) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r8) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000240)={0x6c, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0x42, 0x1, '\x12\xc0\xc5\x80\xe8}\xef\tP\xd0\xd7yE\xaa+\xed\f\xc2\xc6b\vl\x86\xffJ\xff\xaa\x9e[\t\x87\\\xe2|f\x80W\x00pp\xf1\x93p}=]\xbd9V\x14~o\xcew\xf9[\x1c\xae0\x90\x02*'}]}, 0x6c}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000540), r11) r13 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r11) sendmsg$NLBL_MGMT_C_REMOVE(r12, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r13, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000004c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r13, @ANYBLOB="00000000000000000900000000000800080004010100"], 0x1c}, 0x1, 0x0, 0x0, 0x40044}, 0x91) sendmsg$NLBL_MGMT_C_REMOVEDEF(r11, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r10, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24}, 0x4004040) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r14, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="00022abd7000fcdbdf250100000006000b00090000001400050020010000000000000000000000000002"], 0x30}, 0x1, 0x0, 0x0, 0x4800}, 0x800) 05:00:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x6c00}, 0x0) 05:00:09 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x0, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:09 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x58f000) [ 3517.059050] nbd: must specify an index to disconnect 05:00:09 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:09 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000600)={0xffffffffffffffff}) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000700)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x44, r4, 0x0, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4800}, 0x40011) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000740), r7) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r8) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000240)={0x6c, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0x42, 0x1, '\x12\xc0\xc5\x80\xe8}\xef\tP\xd0\xd7yE\xaa+\xed\f\xc2\xc6b\vl\x86\xffJ\xff\xaa\x9e[\t\x87\\\xe2|f\x80W\x00pp\xf1\x93p}=]\xbd9V\x14~o\xcew\xf9[\x1c\xae0\x90\x02*'}]}, 0x6c}}, 0x0) (async) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000540), r11) (async) r13 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r11) sendmsg$NLBL_MGMT_C_REMOVE(r12, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r13, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000004c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r13, @ANYBLOB="00000000000000000900000000000800080004010100"], 0x1c}, 0x1, 0x0, 0x0, 0x40044}, 0x91) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r11, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r10, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24}, 0x4004040) (async) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r14, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="00022abd7000fcdbdf250100000006000b00090000001400050020010000000000000000000000000002"], 0x30}, 0x1, 0x0, 0x0, 0x4800}, 0x800) 05:00:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:09 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x590000) 05:00:09 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:09 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x7400}, 0x0) 05:00:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x44}}, 0x0) 05:00:10 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:10 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x591000) 05:00:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x7a00}, 0x0) 05:00:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r4 = syz_genetlink_get_family_id$nbd(&(0x7f00000005c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000600)={0xffffffffffffffff}) (async) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000700)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x44, r4, 0x0, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4800}, 0x40011) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000740), r7) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r8) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000240)={0x6c, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0x42, 0x1, '\x12\xc0\xc5\x80\xe8}\xef\tP\xd0\xd7yE\xaa+\xed\f\xc2\xc6b\vl\x86\xffJ\xff\xaa\x9e[\t\x87\\\xe2|f\x80W\x00pp\xf1\x93p}=]\xbd9V\x14~o\xcew\xf9[\x1c\xae0\x90\x02*'}]}, 0x6c}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000540), r11) (async, rerun: 32) r13 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r11) (rerun: 32) sendmsg$NLBL_MGMT_C_REMOVE(r12, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r13, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000004c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r13, @ANYBLOB="00000000000000000900000000000800080004010100"], 0x1c}, 0x1, 0x0, 0x0, 0x40044}, 0x91) sendmsg$NLBL_MGMT_C_REMOVEDEF(r11, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r10, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24}, 0x4004040) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r14, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="00022abd7000fcdbdf250100000006000b00090000001400050020010000000000000000000000000002"], 0x30}, 0x1, 0x0, 0x0, 0x4800}, 0x800) 05:00:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x38}}, 0x0) 05:00:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r1, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x20000108) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xf000}, 0x0) 05:00:10 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x592000) 05:00:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100080000000000c36d3d2ec615a9000001000002b1b5bb6c4bfb2f1c1c"], 0x24}}, 0x0) 05:00:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x30}}, 0x0) 05:00:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r1, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x20000108) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r1, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x20000108) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x30000}, 0x0) 05:00:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100080000000000c36d3d2ec615a9000001000002b1b5bb6c4bfb2f1c1c"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100080000000000c36d3d2ec615a9000001000002b1b5bb6c4bfb2f1c1c"], 0x24}}, 0x0) (async) 05:00:10 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x593000) 05:00:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x30}}, 0x0) [ 3517.456057] netlink: 'syz-executor.2': attribute type 6 has an invalid length. [ 3517.482245] netlink: 'syz-executor.2': attribute type 1 has an invalid length. [ 3517.493423] nbd: couldn't find device at index 673536807 05:00:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, &(0x7f0000000000)=0x2, 0x4) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7f}]}, 0x38}, 0x1, 0x0, 0x0, 0x24000001}, 0x4000000) 05:00:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x34000}, 0x0) 05:00:10 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x594000) 05:00:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x34, r1, 0x100, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @broadcast}]}, 0x34}, 0x1, 0x0, 0x0, 0x8000}, 0x20000108) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100080000000000c36d3d2ec615a9000001000002b1b5bb6c4bfb2f1c1c"], 0x24}}, 0x0) 05:00:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x30}}, 0x0) 05:00:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, &(0x7f0000000000)=0x2, 0x4) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7f}]}, 0x38}, 0x1, 0x0, 0x0, 0x24000001}, 0x4000000) (async) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7f}]}, 0x38}, 0x1, 0x0, 0x0, 0x24000001}, 0x4000000) 05:00:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000041}, 0x4) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000004c0)={{0x0, 0x9, 0x24, 0x1, 0x7, 0x1, 0x40, 0x400, 0xef0, 0x6, 0xbb, 0x461baff5, 0x4, 0xe1c5}}) 05:00:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x400300}, 0x0) 05:00:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$5q\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x0) 05:00:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(0xffffffffffffffff, 0x6, 0x14, &(0x7f0000000000)=0x2, 0x4) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x38, r1, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7ff}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x102}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x7f}]}, 0x38}, 0x1, 0x0, 0x0, 0x24000001}, 0x4000000) 05:00:10 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x595000) 05:00:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000041}, 0x4) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000004c0)={{0x0, 0x9, 0x24, 0x1, 0x7, 0x1, 0x40, 0x400, 0xef0, 0x6, 0xbb, 0x461baff5, 0x4, 0xe1c5}}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000041}, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000004c0)={{0x0, 0x9, 0x24, 0x1, 0x7, 0x1, 0x40, 0x400, 0xef0, 0x6, 0xbb, 0x461baff5, 0x4, 0xe1c5}}) (async) 05:00:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xf0ffff}, 0x0) 05:00:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$5q\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 05:00:10 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x596000) 05:00:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x1000000}, 0x0) 05:00:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 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$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r5, 0x4, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '\\\'\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x40) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000540)={&(0x7f00000003c0), 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x1c, r5, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20084040}, 0x24004080) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r5, 0x0, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x200000c4}, 0x2401c000) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r8) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r9, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x38, r9, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) 05:00:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 3517.802266] nbd: must specify at least one socket 05:00:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$5q\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) 05:00:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x400, 0x70bd2a, 0x25dfdbff, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000041}, 0x4) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) ioctl$BTRFS_IOC_TREE_SEARCH(0xffffffffffffffff, 0xd0009411, &(0x7f00000004c0)={{0x0, 0x9, 0x24, 0x1, 0x7, 0x1, 0x40, 0x400, 0xef0, 0x6, 0xbb, 0x461baff5, 0x4, 0xe1c5}}) [ 3517.854301] nbd: must specify an index to disconnect 05:00:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x2000000}, 0x0) 05:00:10 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x597000) 05:00:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, 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$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r5, 0x4, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '\\\'\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x40) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000540)={&(0x7f00000003c0), 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x1c, r5, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20084040}, 0x24004080) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r5, 0x0, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x200000c4}, 0x2401c000) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r8) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r9, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x38, r9, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) 05:00:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 3517.916207] nbd: must specify at least one socket 05:00:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 05:00:10 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x598000) 05:00:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f00000000c0)=[@textreal={0x8, &(0x7f0000000180)="ba210066b80010000066ef0f01c5660f38812a66b9800000c00f326635000400000f30660f14360b00d9f766b9dd0100000f32f20f1aed66b92a0300000f3266b9800000c00f326635008000000f30", 0x4f}], 0x1, 0x52, &(0x7f0000000200)=[@efer={0x2, 0x5c01}, @cstype3={0x5, 0xe}], 0x2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="02000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 05:00:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x3000000}, 0x0) [ 3517.983130] nbd: must specify an index to disconnect 05:00:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 32) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:10 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x599000) 05:00:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f00000000c0)=[@textreal={0x8, &(0x7f0000000180)="ba210066b80010000066ef0f01c5660f38812a66b9800000c00f326635000400000f30660f14360b00d9f766b9dd0100000f32f20f1aed66b92a0300000f3266b9800000c00f326635008000000f30", 0x4f}], 0x1, 0x52, &(0x7f0000000200)=[@efer={0x2, 0x5c01}, @cstype3={0x5, 0xe}], 0x2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="02000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 05:00:10 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x34, r5, 0x4, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '\\\'\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x4}, 0x40) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async, rerun: 32) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f0000000540)={&(0x7f00000003c0), 0xc, &(0x7f0000000500)={&(0x7f00000004c0)={0x1c, r5, 0x100, 0x70bd29, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x1c}, 0x1, 0x0, 0x0, 0x20084040}, 0x24004080) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r6, &(0x7f00000002c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)={0x1c, r5, 0x0, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x200000c4}, 0x2401c000) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r8) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r9, 0x1}, 0x14}}, 0x0) (async, rerun: 64) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x38, r9, 0x10, 0x70bd2c, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x1}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x38}, 0x1, 0x0, 0x0, 0x20000000}, 0x4) (rerun: 64) 05:00:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x4000000}, 0x0) 05:00:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x20}}, 0x0) [ 3518.082285] nbd: must specify at least one socket 05:00:10 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x5000000}, 0x0) 05:00:10 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x20}}, 0x0) 05:00:10 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r1) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f00000000c0)=[@textreal={0x8, &(0x7f0000000180)="ba210066b80010000066ef0f01c5660f38812a66b9800000c00f326635000400000f30660f14360b00d9f766b9dd0100000f32f20f1aed66b92a0300000f3266b9800000c00f326635008000000f30", 0x4f}], 0x1, 0x52, &(0x7f0000000200)=[@efer={0x2, 0x5c01}, @cstype3={0x5, 0xe}], 0x2) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB="02000000", @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 05:00:10 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x59a000) 05:00:10 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x25dfdbff, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 3518.139872] nbd: must specify a size in bytes for the device 05:00:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x6000000}, 0x0) 05:00:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c400200000000000800000004000780"], 0x24}}, 0x0) 05:00:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x12000}, 0xc, &(0x7f0000000240)={&(0x7f00000004c0)=ANY=[@ANYBLOB='\\\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=r4, @ANYBLOB="000226bd7000fbdbdf250100000014000500fe880000000000000000000000000001080004000000000013000100407b5e402d2d2892f6213a7d2d290000080002000700000008000200000000000800020005000000080001006e626400"], 0x64}, 0x1, 0x0, 0x0, 0x4040000}, 0x48000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x20}}, 0x0) [ 3518.219261] nbd: must specify a size in bytes for the device 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x59b000) 05:00:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x7000000}, 0x0) [ 3518.298105] nbd: must specify at least one socket 05:00:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x12000}, 0xc, &(0x7f0000000240)={&(0x7f00000004c0)=ANY=[@ANYBLOB='\\\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=r4, @ANYBLOB="000226bd7000fbdbdf250100000014000500fe880000000000000000000000000001080004000000000013000100407b5e402d2d2892f6213a7d2d290000080002000700000008000200000000000800020005000000080001006e626400"], 0x64}, 0x1, 0x0, 0x0, 0x4040000}, 0x48000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:11 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c400200000000000800000004000780"], 0x24}}, 0x0) 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x59c000) [ 3518.343411] nbd: must specify a size in bytes for the device 05:00:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x12000}, 0xc, &(0x7f0000000240)={&(0x7f00000004c0)=ANY=[@ANYBLOB='\\\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=r4, @ANYBLOB="000226bd7000fbdbdf250100000014000500fe880000000000000000000000000001080004000000000013000100407b5e402d2d2892f6213a7d2d290000080002000700000008000200000000000800020005000000080001006e626400"], 0x64}, 0x1, 0x0, 0x0, 0x4040000}, 0x48000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000040), r0) (async) sendmsg$NBD_CMD_RECONFIGURE(r2, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x12000}, 0xc, &(0x7f0000000240)={&(0x7f00000004c0)=ANY=[@ANYBLOB='\\\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="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"], 0x5c}, 0x1, 0x0, 0x0, 0x40000}, 0x8000) (async) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={&(0x7f0000000080)=ANY=[@ANYBLOB, @ANYRES16=r4, @ANYBLOB="000226bd7000fbdbdf250100000014000500fe880000000000000000000000000001080004000000000013000100407b5e402d2d2892f6213a7d2d290000080002000700000008000200000000000800020005000000080001006e626400"], 0x64}, 0x1, 0x0, 0x0, 0x4040000}, 0x48000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x30}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x8080}, 0x20000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x38}}, 0x0) 05:00:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x8000000}, 0x0) 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x59d000) [ 3518.446453] nbd: must specify at least one socket 05:00:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c400200000000000800000004000780"], 0x24}}, 0x0) 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x59e000) 05:00:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xa000000}, 0x0) 05:00:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) [ 3518.534281] nbd: must specify at least one socket 05:00:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x30}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x8080}, 0x20000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x59f000) 05:00:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xf000000}, 0x0) 05:00:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTDEF(r5, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00fcdbdf252800000008000c000300000008000c0003000000"], 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000000200000014000600000000000800000000000000000000000a000100275b252826000000"], 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r6, 0x10, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0xb, 0x1, '/,]/*\xa9\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40084}, 0x40084) 05:00:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x30}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x8080}, 0x20000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, 0x0, 0x8, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @dev={0xfe, 0x80, '\x00', 0x30}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x8080}, 0x20000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5a0000) 05:00:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTDEF(r5, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00fcdbdf252800000008000c000300000008000c0003000000"], 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000000200000014000600000000000800000000000000000000000a000100275b252826000000"], 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r6, 0x10, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0xb, 0x1, '/,]/*\xa9\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40084}, 0x40084) 05:00:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x20000000}, 0x0) 05:00:11 executing program 4: r0 = msgget$private(0x0, 0x0) msgctl$IPC_RMID(r0, 0x0) msgctl$MSG_INFO(r0, 0xc, &(0x7f0000000000)=""/223) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x14000084}, 0x0) msgctl$IPC_STAT(r0, 0x2, &(0x7f0000000100)=""/211) r4 = msgget$private(0x0, 0x428) getresuid(&(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)=0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) getgroups(0x2, &(0x7f00000002c0)=[0xee00, 0xffffffffffffffff]) r8 = getpid() msgctl$IPC_SET(r4, 0x1, &(0x7f00000003c0)={{0x3, 0xee01, 0xee01, r5, r7, 0x80, 0x2}, 0x0, 0x0, 0x0, 0xfff, 0x7, 0x7, 0x2, 0xcfd5, 0x5, 0x8001, 0xffffffffffffffff, r8}) 05:00:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5a1000) 05:00:11 executing program 4: r0 = msgget$private(0x0, 0x0) msgctl$IPC_RMID(r0, 0x0) msgctl$MSG_INFO(r0, 0xc, &(0x7f0000000000)=""/223) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x14000084}, 0x0) msgctl$IPC_STAT(r0, 0x2, &(0x7f0000000100)=""/211) r4 = msgget$private(0x0, 0x428) getresuid(&(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)=0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) getgroups(0x2, &(0x7f00000002c0)=[0xee00, 0xffffffffffffffff]) r8 = getpid() msgctl$IPC_SET(r4, 0x1, &(0x7f00000003c0)={{0x3, 0xee01, 0xee01, r5, r7, 0x80, 0x2}, 0x0, 0x0, 0x0, 0xfff, 0x7, 0x7, 0x2, 0xcfd5, 0x5, 0x8001, 0xffffffffffffffff, r8}) msgget$private(0x0, 0x0) (async) msgctl$IPC_RMID(r0, 0x0) (async) msgctl$MSG_INFO(r0, 0xc, &(0x7f0000000000)=""/223) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x14000084}, 0x0) (async) msgctl$IPC_STAT(r0, 0x2, &(0x7f0000000100)=""/211) (async) msgget$private(0x0, 0x428) (async) getresuid(&(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) (async) getgroups(0x2, &(0x7f00000002c0)=[0xee00, 0xffffffffffffffff]) (async) getpid() (async) msgctl$IPC_SET(r4, 0x1, &(0x7f00000003c0)={{0x3, 0xee01, 0xee01, r5, r7, 0x80, 0x2}, 0x0, 0x0, 0x0, 0xfff, 0x7, 0x7, 0x2, 0xcfd5, 0x5, 0x8001, 0xffffffffffffffff, r8}) (async) 05:00:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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) sendmsg$NLBL_MGMT_C_LISTDEF(r5, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00fcdbdf252800000008000c000300000008000c0003000000"], 0x24}, 0x1, 0x0, 0x0, 0x1}, 0x4000000) (async) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)=ANY=[@ANYBLOB='4\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="010000000000000000000200000014000600000000000800000000000000000000000a000100275b252826000000"], 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r6, 0x10, 0x70bd2a, 0x25dfdbfd, {}, [@NLBL_MGMT_A_DOMAIN={0xb, 0x1, '/,]/*\xa9\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0x40084}, 0x40084) 05:00:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x74, r1, 0x300, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x74}, 0x1, 0x0, 0x0, 0x20040000}, 0x4008004) 05:00:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x3f000000}, 0x0) 05:00:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5a2000) 05:00:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x48000000}, 0x0) 05:00:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5a3000) 05:00:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x74, r1, 0x300, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x74}, 0x1, 0x0, 0x0, 0x20040000}, 0x4008004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x74, r1, 0x300, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x74}, 0x1, 0x0, 0x0, 0x20040000}, 0x4008004) (async) 05:00:11 executing program 4: r0 = msgget$private(0x0, 0x0) msgctl$IPC_RMID(r0, 0x0) msgctl$MSG_INFO(r0, 0xc, &(0x7f0000000000)=""/223) (async) msgctl$MSG_INFO(r0, 0xc, &(0x7f0000000000)=""/223) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x14000084}, 0x0) msgctl$IPC_STAT(r0, 0x2, &(0x7f0000000100)=""/211) r4 = msgget$private(0x0, 0x428) getresuid(&(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)=0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) getgroups(0x2, &(0x7f00000002c0)=[0xee00, 0xffffffffffffffff]) (async) getgroups(0x2, &(0x7f00000002c0)=[0xee00, 0xffffffffffffffff]) r8 = getpid() msgctl$IPC_SET(r4, 0x1, &(0x7f00000003c0)={{0x3, 0xee01, 0xee01, r5, r7, 0x80, 0x2}, 0x0, 0x0, 0x0, 0xfff, 0x7, 0x7, 0x2, 0xcfd5, 0x5, 0x8001, 0xffffffffffffffff, r8}) 05:00:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x4c000000}, 0x0) 05:00:11 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="1b00000075bc6fa44e0bc5b1895cdf3620553e7b435330fb96bd2a17c985604ec58d02d54f4172a8df1597e4e7260a01c9898b23c110ff4da7ced62078a06def48ed6c2231ecc8a411a907f36363c425a04e886563416322eacbce24299f4ca5ff96287a0ddf0fd14acbb34a3c1fbfd74fb11e68a1b723319e", @ANYRES16=r1, @ANYBLOB="04000000000000000000010000000c00020000000000000000000800010000000000"], 0x28}}, 0x0) 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5a4000) 05:00:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x74, r1, 0x300, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x74}, 0x1, 0x0, 0x0, 0x20040000}, 0x4008004) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x74, r1, 0x300, 0x70bd2d, 0x25dfdbfc, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x21}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x1}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x2}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_TIMEOUT={0xc}, @NBD_ATTR_BACKEND_IDENTIFIER={0x5, 0xa, '-'}]}, 0x74}, 0x1, 0x0, 0x0, 0x20040000}, 0x4008004) (async) 05:00:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}]}, 0x24}, 0x1, 0x0, 0x0, 0x48004}, 0x4000880) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x5e1af2a4}, 0x0) 05:00:11 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5a5000) 05:00:11 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="1b00000075bc6fa44e0bc5b1895cdf3620553e7b435330fb96bd2a17c985604ec58d02d54f4172a8df1597e4e7260a01c9898b23c110ff4da7ced62078a06def48ed6c2231ecc8a411a907f36363c425a04e886563416322eacbce24299f4ca5ff96287a0ddf0fd14acbb34a3c1fbfd74fb11e68a1b723319e", @ANYRES16=r1, @ANYBLOB="04000000000000000000010000000c00020000000000000000000800010000000000"], 0x28}}, 0x0) 05:00:11 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x60000000}, 0x0) 05:00:11 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}]}, 0x24}, 0x1, 0x0, 0x0, 0x48004}, 0x4000880) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}]}, 0x24}, 0x1, 0x0, 0x0, 0x48004}, 0x4000880) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:11 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, r5, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x880}, 0x4000010) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:11 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:11 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5a6000) 05:00:11 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000040)=ANY=[@ANYBLOB="1b00000075bc6fa44e0bc5b1895cdf3620553e7b435330fb96bd2a17c985604ec58d02d54f4172a8df1597e4e7260a01c9898b23c110ff4da7ced62078a06def48ed6c2231ecc8a411a907f36363c425a04e886563416322eacbce24299f4ca5ff96287a0ddf0fd14acbb34a3c1fbfd74fb11e68a1b723319e", @ANYRES16=r1, @ANYBLOB="04000000000000000000010000000c00020000000000000000000800010000000000"], 0x28}}, 0x0) 05:00:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x68000000}, 0x0) 05:00:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, r5, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x880}, 0x4000010) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (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(&(0x7f0000000340), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, r5, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x880}, 0x4000010) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:12 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0x1, 0x70bd27, 0xfffffffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000050}, 0x80) 05:00:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}]}, 0x24}, 0x1, 0x0, 0x0, 0x48004}, 0x4000880) (async) sendmsg$NLBL_MGMT_C_LISTALL(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x4, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x15}]}, 0x24}, 0x1, 0x0, 0x0, 0x48004}, 0x4000880) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:12 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5a7000) 05:00:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x6c000000}, 0x0) 05:00:12 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_REMOVEDEF(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x30, r5, 0x2, 0x70bd25, 0x25dfdbfe, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x30}, 0x1, 0x0, 0x0, 0x880}, 0x4000010) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r6, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0x1, 0x70bd27, 0xfffffffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000050}, 0x80) 05:00:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB="ea994122", @ANYRES16=r1, @ANYBLOB="000300000000fcdbdf25010000000c00020000000000000000000800010000000000"], 0x28}}, 0x0) 05:00:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x74000000}, 0x0) 05:00:12 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5a8000) 05:00:12 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0x1, 0x70bd27, 0xfffffffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000050}, 0x80) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)={0x24, r1, 0x1, 0x70bd27, 0xfffffffe, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x20000050}, 0x80) (async) 05:00:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB="ea994122", @ANYRES16=r1, @ANYBLOB="000300000000fcdbdf25010000000c00020000000000000000000800010000000000"], 0x28}}, 0x0) 05:00:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x7a000000}, 0x0) 05:00:12 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5a9000) 05:00:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x2, 0x0, 0x3, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7ff}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r3) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r4, 0x2, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000850}, 0xc008084) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x78, r4, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x1, 0x0}}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x44}, 0x40000) 05:00:12 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000040)=ANY=[@ANYBLOB="ea994122", @ANYRES16=r1, @ANYBLOB="000300000000fcdbdf25010000000c00020000000000000000000800010000000000"], 0x28}}, 0x0) 05:00:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000200)={0x50, r1, 0x100, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_TIMEOUT={0xfffffffffffffe15, 0x4, 0xfffffffffffffff7}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000000}, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) 05:00:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x9effffff}, 0x0) 05:00:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:12 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5aa000) 05:00:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x2, 0x0, 0x3, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7ff}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r3) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r4, 0x2, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000850}, 0xc008084) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x78, r4, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x1, 0x0}}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x44}, 0x40000) 05:00:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0x7, 0x1, '.:\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x40001) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r3) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x34, r5, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '.:\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x40080c4}, 0x40) io_setup(0x9, &(0x7f0000000100)=0x0) io_cancel(r6, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x2, 0x40, 0xffffffffffffffff, &(0x7f0000000140)="c87a5ae6fc8f71abd6dd8acf2ef7e6ee841ace074aaebb7e205b3f997b98341cbddf54e8ab0e399f19a18a6c88b75473fb22f640eb5b92689e153e61ee839c30f5430c58554dcfce1f5e667a9b7b8bc4b06a8876c0c31d82df97db556174559587b3628deb3a95aca1b8f61c2e9ebc8db58ef9e16d205726", 0x78, 0x84, 0x0, 0x3}, &(0x7f0000000200)) 05:00:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xa4f21a5e}, 0x0) 05:00:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000200)={0x50, r1, 0x100, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_TIMEOUT={0xfffffffffffffe15, 0x4, 0xfffffffffffffff7}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000000}, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) 05:00:12 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5ab000) 05:00:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xf0ffffff}, 0x0) 05:00:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x2, 0x0, 0x3, {}, [@NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x7ff}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000080), r3) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x30, r4, 0x2, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}]}, 0x30}, 0x1, 0x0, 0x0, 0x4000850}, 0xc008084) (async, rerun: 32) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r5, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x78, r4, 0x20, 0x70bd2b, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x1, 0x0}}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x78}, 0x1, 0x0, 0x0, 0x44}, 0x40000) 05:00:12 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5ac000) 05:00:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000200)={0x50, r1, 0x100, 0x70bd2a, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x3}, @NBD_ATTR_TIMEOUT={0xfffffffffffffe15, 0x4, 0xfffffffffffffff7}]}, 0x50}, 0x1, 0x0, 0x0, 0x4000000}, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async, rerun: 64) syz_genetlink_get_family_id$nbd(&(0x7f0000000040), r3) (rerun: 64) 05:00:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0x7, 0x1, '.:\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x40001) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r3) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x34, r5, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '.:\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x40080c4}, 0x40) (async) io_setup(0x9, &(0x7f0000000100)=0x0) io_cancel(r6, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x2, 0x40, 0xffffffffffffffff, &(0x7f0000000140)="c87a5ae6fc8f71abd6dd8acf2ef7e6ee841ace074aaebb7e205b3f997b98341cbddf54e8ab0e399f19a18a6c88b75473fb22f640eb5b92689e153e61ee839c30f5430c58554dcfce1f5e667a9b7b8bc4b06a8876c0c31d82df97db556174559587b3628deb3a95aca1b8f61c2e9ebc8db58ef9e16d205726", 0x78, 0x84, 0x0, 0x3}, &(0x7f0000000200)) 05:00:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xfffff000}, 0x0) 05:00:12 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5ad000) 05:00:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 05:00:12 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100020000000000000000000200078000"/30], 0x24}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) 05:00:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xffffff7f}, 0x0) 05:00:12 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100020000000000000000000200078000"/30], 0x24}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100020000000000000000000200078000"/30], 0x24}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) (async) 05:00:12 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5ae000) 05:00:12 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_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x1, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_DOMAIN={0x7, 0x1, '.:\x00'}]}, 0x1c}, 0x1, 0x0, 0x0, 0x800}, 0x40001) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r3) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r3) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x1}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x34, r5, 0x10, 0x70bd28, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_DOMAIN={0x7, 0x1, '.:\x00'}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}]}, 0x34}, 0x1, 0x0, 0x0, 0x40080c4}, 0x40) io_setup(0x9, &(0x7f0000000100)) (async) io_setup(0x9, &(0x7f0000000100)=0x0) io_cancel(r6, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x2, 0x40, 0xffffffffffffffff, &(0x7f0000000140)="c87a5ae6fc8f71abd6dd8acf2ef7e6ee841ace074aaebb7e205b3f997b98341cbddf54e8ab0e399f19a18a6c88b75473fb22f640eb5b92689e153e61ee839c30f5430c58554dcfce1f5e667a9b7b8bc4b06a8876c0c31d82df97db556174559587b3628deb3a95aca1b8f61c2e9ebc8db58ef9e16d205726", 0x78, 0x84, 0x0, 0x3}, &(0x7f0000000200)) [ 3519.954829] nbd: must specify at least one socket 05:00:12 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 05:00:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xffffff9e}, 0x0) 05:00:12 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5af000) 05:00:12 executing program 2: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="0100020000000000000000000200078000"/30], 0x24}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) 05:00:12 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) [ 3520.058733] nbd: must specify at least one socket 05:00:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 05:00:12 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010002020400ffffffffffffff0400078000bff4feb100000000000000006c0b3ce66c2303c577292f855f0e3a857455da49b0920639e064816eae71f4650c107f34928ebe3546bfebea60444399f356caff4d7c706280f84e2d6e1e1c01292b847e9556b44c7a70048b2760e2eed17b31c55d0034779240a3b65be644d647fe9a610aaaf2cb27afcaf7e090e5565107402462a651acc0ec263a411b5d41083f5c9fac15135cb4ee19317a92ac741df463f9a92943d4b916853cd0324d1b414d5a65a4a23782ba64cd9277f047b31e84fa77fa2bd15d71de5437353bb100"], 0x24}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x34, 0x0, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x34}}, 0x4044001) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 05:00:12 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b0000) 05:00:12 executing program 2: r0 = socket(0x2, 0x4, 0x624b) ioctl$sock_inet6_tcp_SIOCATMARK(r0, 0x8905, &(0x7f0000000000)) ioctl$RTC_WIE_ON(0xffffffffffffffff, 0x700f) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000cf80100000000000000000004000780"], 0x24}, 0x1, 0x0, 0x0, 0x20008000}, 0x0) [ 3520.089304] nla_parse: 114 callbacks suppressed [ 3520.089313] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3520.125346] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 05:00:12 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:12 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xfffffff0}, 0x0) 05:00:12 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="060000009bd2c19d69a5688a13073360a9aeb569f40b4ca327d2a8256314efb816676dc8f86ef3bba83d5779c203020016d7747dceb0df2dc71735103099e64959a7eac4e9d880314894b50b2c54245db772c4060de13cbb396e8b60a0a18ce889e6597ed6baa74ed98998b73d45819c67c77419a99aabeac8155bcbfa425115d1995fb89392cf009609f6b70000000000000003c99f63ac109bce1e0c511ed6871fb4bec8a17548c2c2692b5193a9af53a8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) [ 3520.171204] nbd: must specify at least one socket 05:00:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010002020400ffffffffffffff0400078000bff4feb100000000000000006c0b3ce66c2303c577292f855f0e3a857455da49b0920639e064816eae71f4650c107f34928ebe3546bfebea60444399f356caff4d7c706280f84e2d6e1e1c01292b847e9556b44c7a70048b2760e2eed17b31c55d0034779240a3b65be644d647fe9a610aaaf2cb27afcaf7e090e5565107402462a651acc0ec263a411b5d41083f5c9fac15135cb4ee19317a92ac741df463f9a92943d4b916853cd0324d1b414d5a65a4a23782ba64cd9277f047b31e84fa77fa2bd15d71de5437353bb100"], 0x24}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x34, 0x0, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x34}}, 0x4044001) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010002020400ffffffffffffff0400078000bff4feb100000000000000006c0b3ce66c2303c577292f855f0e3a857455da49b0920639e064816eae71f4650c107f34928ebe3546bfebea60444399f356caff4d7c706280f84e2d6e1e1c01292b847e9556b44c7a70048b2760e2eed17b31c55d0034779240a3b65be644d647fe9a610aaaf2cb27afcaf7e090e5565107402462a651acc0ec263a411b5d41083f5c9fac15135cb4ee19317a92ac741df463f9a92943d4b916853cd0324d1b414d5a65a4a23782ba64cd9277f047b31e84fa77fa2bd15d71de5437353bb100"], 0x24}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x34, 0x0, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x34}}, 0x4044001) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 05:00:13 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b1000) 05:00:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) [ 3520.229182] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3520.252513] nbd: must specify at least one socket [ 3520.266314] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 05:00:13 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b2000) 05:00:13 executing program 2: r0 = socket(0x2, 0x4, 0x624b) ioctl$sock_inet6_tcp_SIOCATMARK(r0, 0x8905, &(0x7f0000000000)) ioctl$RTC_WIE_ON(0xffffffffffffffff, 0x700f) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000cf80100000000000000000004000780"], 0x24}, 0x1, 0x0, 0x0, 0x20008000}, 0x0) 05:00:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="060000009bd2c19d69a5688a13073360a9aeb569f40b4ca327d2a8256314efb816676dc8f86ef3bba83d5779c203020016d7747dceb0df2dc71735103099e64959a7eac4e9d880314894b50b2c54245db772c4060de13cbb396e8b60a0a18ce889e6597ed6baa74ed98998b73d45819c67c77419a99aabeac8155bcbfa425115d1995fb89392cf009609f6b70000000000000003c99f63ac109bce1e0c511ed6871fb4bec8a17548c2c2692b5193a9af53a8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) [ 3520.296529] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 05:00:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x1000000000000}, 0x0) 05:00:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010002020400ffffffffffffff0400078000bff4feb100000000000000006c0b3ce66c2303c577292f855f0e3a857455da49b0920639e064816eae71f4650c107f34928ebe3546bfebea60444399f356caff4d7c706280f84e2d6e1e1c01292b847e9556b44c7a70048b2760e2eed17b31c55d0034779240a3b65be644d647fe9a610aaaf2cb27afcaf7e090e5565107402462a651acc0ec263a411b5d41083f5c9fac15135cb4ee19317a92ac741df463f9a92943d4b916853cd0324d1b414d5a65a4a23782ba64cd9277f047b31e84fa77fa2bd15d71de5437353bb100"], 0x24}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x34, 0x0, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x34}}, 0x4044001) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="010002020400ffffffffffffff0400078000bff4feb100000000000000006c0b3ce66c2303c577292f855f0e3a857455da49b0920639e064816eae71f4650c107f34928ebe3546bfebea60444399f356caff4d7c706280f84e2d6e1e1c01292b847e9556b44c7a70048b2760e2eed17b31c55d0034779240a3b65be644d647fe9a610aaaf2cb27afcaf7e090e5565107402462a651acc0ec263a411b5d41083f5c9fac15135cb4ee19317a92ac741df463f9a92943d4b916853cd0324d1b414d5a65a4a23782ba64cd9277f047b31e84fa77fa2bd15d71de5437353bb100"], 0x24}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000200), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x34, 0x0, 0x100, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @local}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}]}, 0x34}}, 0x4044001) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 05:00:13 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b3000) [ 3520.360921] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3520.379344] nbd: must specify at least one socket 05:00:13 executing program 2: r0 = socket(0x2, 0x4, 0x624b) ioctl$sock_inet6_tcp_SIOCATMARK(r0, 0x8905, &(0x7f0000000000)) (async) ioctl$RTC_WIE_ON(0xffffffffffffffff, 0x700f) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="01000000000000000000010000000cf80100000000000000000004000780"], 0x24}, 0x1, 0x0, 0x0, 0x20008000}, 0x0) 05:00:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="060000009bd2c19d69a5688a13073360a9aeb569f40b4ca327d2a8256314efb816676dc8f86ef3bba83d5779c203020016d7747dceb0df2dc71735103099e64959a7eac4e9d880314894b50b2c54245db772c4060de13cbb396e8b60a0a18ce889e6597ed6baa74ed98998b73d45819c67c77419a99aabeac8155bcbfa425115d1995fb89392cf009609f6b70000000000000003c99f63ac109bce1e0c511ed6871fb4bec8a17548c2c2692b5193a9af53a8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="060000009bd2c19d69a5688a13073360a9aeb569f40b4ca327d2a8256314efb816676dc8f86ef3bba83d5779c203020016d7747dceb0df2dc71735103099e64959a7eac4e9d880314894b50b2c54245db772c4060de13cbb396e8b60a0a18ce889e6597ed6baa74ed98998b73d45819c67c77419a99aabeac8155bcbfa425115d1995fb89392cf009609f6b70000000000000003c99f63ac109bce1e0c511ed6871fb4bec8a17548c2c2692b5193a9af53a8", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) 05:00:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 3520.438412] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3520.454655] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 05:00:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x3000000000000}, 0x0) 05:00:13 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b1000) 05:00:13 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b4000) 05:00:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 3520.487971] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3520.519996] nbd: must specify at least one socket 05:00:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 05:00:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="37310c3c7f9514000000", @ANYRES16=0x0, @ANYBLOB="0100000000000000000002000000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r2, 0xc11, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000}, 0x4) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, r2, 0x400, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x24}}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @remote}}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x84}, 0x20044018) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:13 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b1000) 05:00:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x40030000000000}, 0x0) 05:00:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) [ 3520.572001] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'. 05:00:13 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b5000) 05:00:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) 05:00:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="37310c3c7f9514000000", @ANYRES16=0x0, @ANYBLOB="0100000000000000000002000000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r2, 0xc11, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000}, 0x4) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, r2, 0x400, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x24}}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @remote}}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x84}, 0x20044018) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xf0ffffffffffff}, 0x0) 05:00:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xf0ffffff}, 0x0) 05:00:13 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b6000) 05:00:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 05:00:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r0) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB="37310c3c7f9514000000", @ANYRES16=0x0, @ANYBLOB="0100000000000000000002000000"], 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x24, r2, 0xc11, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000}, 0x4) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTALL(r4, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)={0x70, r2, 0x400, 0x70bd2a, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x2}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x24}}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @local}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @remote}}, @NLBL_MGMT_A_CV4DOI={0x8}]}, 0x70}, 0x1, 0x0, 0x0, 0x84}, 0x20044018) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r5, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:13 executing program 4: r0 = msgget$private(0x0, 0x0) msgctl$IPC_RMID(r0, 0x0) msgctl$MSG_INFO(r0, 0xc, &(0x7f0000000000)=""/223) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r1) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r2, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x14000084}, 0x0) msgctl$IPC_STAT(r0, 0x2, &(0x7f0000000100)=""/211) r4 = msgget$private(0x0, 0x428) getresuid(&(0x7f0000000200), &(0x7f0000000240), &(0x7f0000000280)=0x0) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r6) getgroups(0x2, &(0x7f00000002c0)=[0xee00, 0xffffffffffffffff]) r8 = getpid() msgctl$IPC_SET(r4, 0x1, &(0x7f00000003c0)={{0x3, 0xee01, 0xee01, r5, r7, 0x80, 0x2}, 0x0, 0x0, 0x0, 0xfff, 0x7, 0x7, 0x2, 0xcfd5, 0x5, 0x8001, 0xffffffffffffffff, r8}) 05:00:13 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b7000) 05:00:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x100000000000000}, 0x0) 05:00:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x10, 0x2, 0x3, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0x4}]}, 0xfffffffffffffd47}}, 0x0) 05:00:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) 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$nbd(&(0x7f00000005c0), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000600)={0xffffffffffffffff}) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000700)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000006c0)={&(0x7f0000000640)={0x44, r4, 0x0, 0x70bd2d, 0x25dfdbfb, {}, [@NBD_ATTR_SOCKETS={0x1c, 0x7, 0x0, 0x1, [{0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x1}]}, 0x44}, 0x1, 0x0, 0x0, 0x4800}, 0x40011) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000740), r7) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r8) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000240)={0x6c, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0x42, 0x1, '\x12\xc0\xc5\x80\xe8}\xef\tP\xd0\xd7yE\xaa+\xed\f\xc2\xc6b\vl\x86\xffJ\xff\xaa\x9e[\t\x87\\\xe2|f\x80W\x00pp\xf1\x93p}=]\xbd9V\x14~o\xcew\xf9[\x1c\xae0\x90\x02*'}]}, 0x6c}}, 0x0) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000540), r11) r13 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r11) sendmsg$NLBL_MGMT_C_REMOVE(r12, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r13, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000004c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r13, @ANYBLOB="00000000000000000900000000000800080004010100"], 0x1c}, 0x1, 0x0, 0x0, 0x40044}, 0x91) sendmsg$NLBL_MGMT_C_REMOVEDEF(r11, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r10, 0x800, 0x70bd2d, 0x25dfdbfe, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast1}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @mcast2}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24}, 0x4004040) r14 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r14, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES16=r10, @ANYBLOB="00022abd7000fcdbdf250100000006000b00090000001400050020010000000000000000000000000002"], 0x30}, 0x1, 0x0, 0x0, 0x4800}, 0x800) 05:00:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 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$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r5, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x22}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x4}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x43}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24048000}, 0x880) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:13 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b8000) 05:00:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x200000000000000}, 0x0) 05:00:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 05:00:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x6000}, 0x0) 05:00:13 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x10, 0x2, 0x3, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0x4}]}, 0xfffffffffffffd47}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x10, 0x2, 0x3, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0x4}]}, 0xfffffffffffffd47}}, 0x0) (async) 05:00:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x300000000000000}, 0x0) 05:00:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r5, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x22}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x4}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x43}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24048000}, 0x880) (async) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r5, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x22}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x4}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x43}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24048000}, 0x880) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:13 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5b9000) 05:00:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 05:00:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x400000000000000}, 0x0) 05:00:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x4c00}, 0x0) 05:00:13 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$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$netlbl_mgmt(&(0x7f0000000340), r3) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r5, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x5c, r5, 0x300, 0x70bd25, 0x25dfdbff, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x22}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x4}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x5}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x43}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x24048000}, 0x880) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:13 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 05:00:13 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5ba000) 05:00:13 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x3f00}, 0x0) 05:00:13 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x500000000000000}, 0x0) 05:00:14 executing program 0: 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$nbd(&(0x7f0000000440), r0) syz_init_net_socket$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$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x10, 0x2, 0x3, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x4}, @NBD_ATTR_SOCKETS={0x4}]}, 0xfffffffffffffd47}}, 0x0) 05:00:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r6, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x40000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000004c0)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r8) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4) sendmsg$NLBL_MGMT_C_ADD(r7, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, r11, 0x1, 0x70bd2d, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x8040001) syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) 05:00:14 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5bb000) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000001c0)=ANY=[@ANYBLOB="24054456d114958cb25a565e82d89042890fbe6c1b9f1bafa491ecb737cf50135dd7016b6bfaf1555a36000000001c77d5c99238b874394767acdcd73885544d8dde94f4bdbd56c76a0ccaf0eeff0eb12251de44582ab59e1b2f60ab09e4927646067ae801ab625bf98cc859fbe54d27c23dae4864b7018363673189708abbdb0dca7abe311c95726636f794af303989c2377a11390c0d0ef41fc6c9b5644eeb40f9cd9be0bcf46aedeb5d6c6d0cf219", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) ioctl$RTC_ALM_READ(0xffffffffffffffff, 0x80247008, &(0x7f0000000040)) r3 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000000c0), r0) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), 0xffffffffffffffff) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000600), r2) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000480)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000400)={&(0x7f00000003c0)=ANY=[@ANYBLOB="14456c", @ANYRES16=r4, @ANYBLOB="020027bd00000000df2504002000"], 0x14}, 0x1, 0x0, 0x0, 0x4000000}, 0x8801) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x1ef2a1361adafa2}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x3c, r3, 0x200, 0x70bd28, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @rand_addr=0x64010101}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20040090}, 0x4000000) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r5) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000005c0), r6) sendmsg$NLBL_MGMT_C_REMOVE(r6, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r7, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f0000000580)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000540)={&(0x7f0000000640)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r7, @ANYBLOB="04002cbd0300fddbdf250800000008000400e3000000080008000a01010002cea9ab720938d99c073e1aa0c24cb7f38155135108862ba683366e41cc72de5c44c6ee4accf025a456f6ad66499f6926e45e81a758bcb414b709baa9c5a13cef76070b99fc23c48a1f9e6cf59710545657212780f5133151f237b87537d5da07ff8d89ea3b5ca14f6bd22486d652bc53a300990eeb49a1f3177fa2efb7e7eefb803aaff2dcac61f753500a7bf8b4da67f8156d897a305588ed8c8f530a06f210d57336794d7cbca9a428"], 0x24}, 0x1, 0x0, 0x0, 0x4000080}, 0x24000000) 05:00:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x600000000000000}, 0x0) 05:00:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket(0x22, 0x0, 0xfffffffe) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x18, r1, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x4050) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000004c0)={0x1fc, r6, 0x2, 0x70bd28, 0x25dfdbfc, {{}, {@void, @void}}, [@NL80211_ATTR_TX_RATES={0x5c, 0x5a, 0x0, 0x1, [@NL80211_BAND_60GHZ={0x30, 0x2, 0x0, 0x1, [@NL80211_TXRATE_VHT={0x14, 0x3, {[0x2, 0x8, 0x100, 0x4, 0xfff, 0x40, 0x1000, 0x401]}}, @NL80211_TXRATE_GI={0x5, 0x4, 0x2}, @NL80211_TXRATE_LEGACY={0xd, 0x1, [0x1b, 0x16, 0x1b, 0x48, 0x12, 0xc, 0x48, 0x6c, 0x36]}]}, @NL80211_BAND_5GHZ={0xc, 0x1, 0x0, 0x1, [@NL80211_TXRATE_GI={0x5}]}, @NL80211_BAND_2GHZ={0x1c, 0x0, 0x0, 0x1, [@NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x2}]}]}, @NL80211_ATTR_TX_RATES={0x170, 0x5a, 0x0, 0x1, [@NL80211_BAND_6GHZ={0x8c, 0x3, 0x0, 0x1, [@NL80211_TXRATE_HE={0x14, 0x5, {[0x2, 0x3f, 0x8c98, 0xfffa, 0x4, 0x5, 0x725, 0x2b4e]}}, @NL80211_TXRATE_HE={0x14, 0x5, {[0x2, 0xfff, 0xf4, 0xa7, 0x200, 0x335, 0x40, 0x7]}}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE={0x14, 0x5, {[0x1, 0x101, 0x101, 0xd15, 0x9, 0xd958, 0x200, 0x9]}}, @NL80211_TXRATE_HT={0x1f, 0x2, [{0x0, 0x8}, {0x5, 0x4}, {0x7, 0x3}, {0x7, 0x7}, {0x2, 0x6}, {0x4, 0x3}, {0x1, 0x2}, {0x6, 0x5}, {0x3, 0x6}, {0x7, 0x7}, {0x5, 0x6}, {0x7, 0x2}, {0x7, 0x5}, {0x5, 0xa}, {}, {0x0, 0x8}, {0x2, 0x7}, {0x2}, {0x0, 0x9}, {0x7, 0x4}, {0x0, 0x17}, {0x7, 0x3}, {0x1, 0x3}, {0x4, 0x1}, {0x5, 0x2}, {0x3, 0x7}, {0x6, 0x2}]}, @NL80211_TXRATE_VHT={0x14, 0x3, {[0x3e, 0x7, 0xfff8, 0x8, 0x1, 0x4, 0x2, 0x9]}}, @NL80211_TXRATE_HE_LTF={0x5}, @NL80211_TXRATE_LEGACY={0x5, 0x1, [0x5]}]}, @NL80211_BAND_60GHZ={0x1c, 0x2, 0x0, 0x1, [@NL80211_TXRATE_LEGACY={0x16, 0x1, [0x3, 0x1, 0x22, 0x0, 0x3, 0x1b, 0x2, 0x0, 0x1b, 0x1b, 0x12, 0x0, 0x2, 0x60, 0x6, 0x36, 0xc, 0x4]}]}, @NL80211_BAND_2GHZ={0xc4, 0x0, 0x0, 0x1, [@NL80211_TXRATE_HE={0x14, 0x5, {[0xfff7, 0x1000, 0x1000, 0x9, 0x80, 0x7f, 0x8000, 0x6]}}, @NL80211_TXRATE_HE_GI={0x5}, @NL80211_TXRATE_LEGACY={0x16, 0x1, [0x16, 0x1, 0x18, 0x0, 0x7, 0x48, 0x36, 0x24, 0x3, 0x6c, 0x36, 0x9, 0x5, 0x36, 0x30, 0x6c, 0xc, 0x5]}, @NL80211_TXRATE_HT={0x49, 0x2, [{0x5, 0x3}, {0x7, 0x2}, {0x0, 0x6}, {0x3, 0x9}, {0x7, 0x4}, {0x0, 0x8}, {0x7, 0x4}, {0x6, 0x1}, {0x3, 0x2}, {0x0, 0x6}, {0x1, 0x2}, {0x7, 0x6}, {0x3, 0x2}, {0x6, 0x3}, {0x2, 0x1}, {0x7}, {0x5, 0x7}, {0x5, 0x3}, {0x0, 0x1}, {0x7, 0x3}, {0x1, 0xa}, {0x2, 0x9}, {0x6, 0x4}, {0x4, 0x9}, {0x3, 0x2}, {0x7, 0x1}, {0x7, 0x2}, {0x4, 0x6}, {0x0, 0x3}, {0x4, 0x5}, {0x1, 0x4}, {0x1, 0x4}, {0x7, 0x5}, {0x7, 0x7}, {0x4, 0x7}, {0x4, 0x5}, {0x7, 0x8}, {0x1, 0x4}, {0x7, 0x2}, {0x3, 0x1}, {0x5, 0x8}, {0x6, 0xa}, {0x2, 0x3}, {0x7, 0x2}, {0x4, 0x4}, {0x3, 0xa}, {0x6, 0x6}, {0x5, 0x8}, {0x4, 0x9}, {0x2, 0x6}, {0x6, 0x7}, {0x1, 0x9}, {0x6, 0x1}, {0x1, 0x6}, {0x3, 0x7}, {0x0, 0x8}, {0x7, 0xa}, {0x5, 0x2}, {0x7, 0x4}, {0x6, 0x5}, {0x6, 0x4}, {0x1, 0x8}, {0x6, 0x2}, {0x1, 0xa}, {0x0, 0x1}, {0x2, 0x9}, {0x2, 0x4}, {0x2, 0x5}, {0x0, 0x6}]}, @NL80211_TXRATE_VHT={0x14, 0x3, {[0x0, 0x2, 0x4, 0x4, 0x5, 0x401, 0x8, 0x374f]}}, @NL80211_TXRATE_HE_LTF={0x5, 0x7, 0x2}, @NL80211_TXRATE_HT={0x22, 0x2, [{0x2, 0x8}, {0x6, 0x7}, {0x7, 0x4}, {0x1, 0x3}, {0x5, 0x9}, {0x6, 0x4}, {}, {0x4}, {0x0, 0x8}, {0x7, 0x4}, {0x1, 0x3}, {0x3, 0x5}, {0x5, 0x5}, {0x1, 0x1}, {0x7, 0x5}, {0x7, 0x7}, {0x1, 0x2}, {0x7, 0xa}, {0x5, 0x1}, {0x2, 0x2}, {0x1, 0x1}, {0x6, 0x2}, {0x5, 0x8}, {0x4, 0x7}, {0x5, 0x9}, {0x2, 0x2}, {0x6, 0x7}, {0x0, 0xa}, {}, {0x7, 0x5}]}]}]}, @NL80211_ATTR_TX_RATES={0x1c, 0x5a, 0x0, 0x1, [@NL80211_BAND_2GHZ={0x18, 0x0, 0x0, 0x1, [@NL80211_TXRATE_VHT={0x14, 0x3, {[0x3, 0x8000, 0x6, 0x3, 0x6c, 0x200, 0x1f, 0x200]}}]}]}]}, 0x1fc}, 0x1, 0x0, 0x0, 0x84}, 0x20000000) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (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$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r6, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x40000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000004c0)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r8) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4) sendmsg$NLBL_MGMT_C_ADD(r7, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, r11, 0x1, 0x70bd2d, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x8040001) (async) syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) 05:00:14 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5bc000) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r6, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x40000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000004c0)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r8) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4) sendmsg$NLBL_MGMT_C_ADD(r7, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, r11, 0x1, 0x70bd2d, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x8040001) syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) 05:00:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket(0x22, 0x0, 0xfffffffe) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x18, r1, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x4050) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r6 = syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000004c0)={0x1fc, r6, 0x2, 0x70bd28, 0x25dfdbfc, {{}, {@void, @void}}, [@NL80211_ATTR_TX_RATES={0x5c, 0x5a, 0x0, 0x1, [@NL80211_BAND_60GHZ={0x30, 0x2, 0x0, 0x1, [@NL80211_TXRATE_VHT={0x14, 0x3, {[0x2, 0x8, 0x100, 0x4, 0xfff, 0x40, 0x1000, 0x401]}}, @NL80211_TXRATE_GI={0x5, 0x4, 0x2}, @NL80211_TXRATE_LEGACY={0xd, 0x1, [0x1b, 0x16, 0x1b, 0x48, 0x12, 0xc, 0x48, 0x6c, 0x36]}]}, @NL80211_BAND_5GHZ={0xc, 0x1, 0x0, 0x1, [@NL80211_TXRATE_GI={0x5}]}, @NL80211_BAND_2GHZ={0x1c, 0x0, 0x0, 0x1, [@NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x2}]}]}, @NL80211_ATTR_TX_RATES={0x170, 0x5a, 0x0, 0x1, [@NL80211_BAND_6GHZ={0x8c, 0x3, 0x0, 0x1, [@NL80211_TXRATE_HE={0x14, 0x5, {[0x2, 0x3f, 0x8c98, 0xfffa, 0x4, 0x5, 0x725, 0x2b4e]}}, @NL80211_TXRATE_HE={0x14, 0x5, {[0x2, 0xfff, 0xf4, 0xa7, 0x200, 0x335, 0x40, 0x7]}}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE={0x14, 0x5, {[0x1, 0x101, 0x101, 0xd15, 0x9, 0xd958, 0x200, 0x9]}}, @NL80211_TXRATE_HT={0x1f, 0x2, [{0x0, 0x8}, {0x5, 0x4}, {0x7, 0x3}, {0x7, 0x7}, {0x2, 0x6}, {0x4, 0x3}, {0x1, 0x2}, {0x6, 0x5}, {0x3, 0x6}, {0x7, 0x7}, {0x5, 0x6}, {0x7, 0x2}, {0x7, 0x5}, {0x5, 0xa}, {}, {0x0, 0x8}, {0x2, 0x7}, {0x2}, {0x0, 0x9}, {0x7, 0x4}, {0x0, 0x17}, {0x7, 0x3}, {0x1, 0x3}, {0x4, 0x1}, {0x5, 0x2}, {0x3, 0x7}, {0x6, 0x2}]}, @NL80211_TXRATE_VHT={0x14, 0x3, {[0x3e, 0x7, 0xfff8, 0x8, 0x1, 0x4, 0x2, 0x9]}}, @NL80211_TXRATE_HE_LTF={0x5}, @NL80211_TXRATE_LEGACY={0x5, 0x1, [0x5]}]}, @NL80211_BAND_60GHZ={0x1c, 0x2, 0x0, 0x1, [@NL80211_TXRATE_LEGACY={0x16, 0x1, [0x3, 0x1, 0x22, 0x0, 0x3, 0x1b, 0x2, 0x0, 0x1b, 0x1b, 0x12, 0x0, 0x2, 0x60, 0x6, 0x36, 0xc, 0x4]}]}, @NL80211_BAND_2GHZ={0xc4, 0x0, 0x0, 0x1, [@NL80211_TXRATE_HE={0x14, 0x5, {[0xfff7, 0x1000, 0x1000, 0x9, 0x80, 0x7f, 0x8000, 0x6]}}, @NL80211_TXRATE_HE_GI={0x5}, @NL80211_TXRATE_LEGACY={0x16, 0x1, [0x16, 0x1, 0x18, 0x0, 0x7, 0x48, 0x36, 0x24, 0x3, 0x6c, 0x36, 0x9, 0x5, 0x36, 0x30, 0x6c, 0xc, 0x5]}, @NL80211_TXRATE_HT={0x49, 0x2, [{0x5, 0x3}, {0x7, 0x2}, {0x0, 0x6}, {0x3, 0x9}, {0x7, 0x4}, {0x0, 0x8}, {0x7, 0x4}, {0x6, 0x1}, {0x3, 0x2}, {0x0, 0x6}, {0x1, 0x2}, {0x7, 0x6}, {0x3, 0x2}, {0x6, 0x3}, {0x2, 0x1}, {0x7}, {0x5, 0x7}, {0x5, 0x3}, {0x0, 0x1}, {0x7, 0x3}, {0x1, 0xa}, {0x2, 0x9}, {0x6, 0x4}, {0x4, 0x9}, {0x3, 0x2}, {0x7, 0x1}, {0x7, 0x2}, {0x4, 0x6}, {0x0, 0x3}, {0x4, 0x5}, {0x1, 0x4}, {0x1, 0x4}, {0x7, 0x5}, {0x7, 0x7}, {0x4, 0x7}, {0x4, 0x5}, {0x7, 0x8}, {0x1, 0x4}, {0x7, 0x2}, {0x3, 0x1}, {0x5, 0x8}, {0x6, 0xa}, {0x2, 0x3}, {0x7, 0x2}, {0x4, 0x4}, {0x3, 0xa}, {0x6, 0x6}, {0x5, 0x8}, {0x4, 0x9}, {0x2, 0x6}, {0x6, 0x7}, {0x1, 0x9}, {0x6, 0x1}, {0x1, 0x6}, {0x3, 0x7}, {0x0, 0x8}, {0x7, 0xa}, {0x5, 0x2}, {0x7, 0x4}, {0x6, 0x5}, {0x6, 0x4}, {0x1, 0x8}, {0x6, 0x2}, {0x1, 0xa}, {0x0, 0x1}, {0x2, 0x9}, {0x2, 0x4}, {0x2, 0x5}, {0x0, 0x6}]}, @NL80211_TXRATE_VHT={0x14, 0x3, {[0x0, 0x2, 0x4, 0x4, 0x5, 0x401, 0x8, 0x374f]}}, @NL80211_TXRATE_HE_LTF={0x5, 0x7, 0x2}, @NL80211_TXRATE_HT={0x22, 0x2, [{0x2, 0x8}, {0x6, 0x7}, {0x7, 0x4}, {0x1, 0x3}, {0x5, 0x9}, {0x6, 0x4}, {}, {0x4}, {0x0, 0x8}, {0x7, 0x4}, {0x1, 0x3}, {0x3, 0x5}, {0x5, 0x5}, {0x1, 0x1}, {0x7, 0x5}, {0x7, 0x7}, {0x1, 0x2}, {0x7, 0xa}, {0x5, 0x1}, {0x2, 0x2}, {0x1, 0x1}, {0x6, 0x2}, {0x5, 0x8}, {0x4, 0x7}, {0x5, 0x9}, {0x2, 0x2}, {0x6, 0x7}, {0x0, 0xa}, {}, {0x7, 0x5}]}]}]}, @NL80211_ATTR_TX_RATES={0x1c, 0x5a, 0x0, 0x1, [@NL80211_BAND_2GHZ={0x18, 0x0, 0x0, 0x1, [@NL80211_TXRATE_VHT={0x14, 0x3, {[0x3, 0x8000, 0x6, 0x3, 0x6c, 0x200, 0x1f, 0x200]}}]}]}]}, 0x1fc}, 0x1, 0x0, 0x0, 0x84}, 0x20000000) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) socket(0x22, 0x0, 0xfffffffe) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x18, r1, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x4050) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0), 0xffffffffffffffff) (async) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000004c0)={0x1fc, r6, 0x2, 0x70bd28, 0x25dfdbfc, {{}, {@void, @void}}, [@NL80211_ATTR_TX_RATES={0x5c, 0x5a, 0x0, 0x1, [@NL80211_BAND_60GHZ={0x30, 0x2, 0x0, 0x1, [@NL80211_TXRATE_VHT={0x14, 0x3, {[0x2, 0x8, 0x100, 0x4, 0xfff, 0x40, 0x1000, 0x401]}}, @NL80211_TXRATE_GI={0x5, 0x4, 0x2}, @NL80211_TXRATE_LEGACY={0xd, 0x1, [0x1b, 0x16, 0x1b, 0x48, 0x12, 0xc, 0x48, 0x6c, 0x36]}]}, @NL80211_BAND_5GHZ={0xc, 0x1, 0x0, 0x1, [@NL80211_TXRATE_GI={0x5}]}, @NL80211_BAND_2GHZ={0x1c, 0x0, 0x0, 0x1, [@NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x2}]}]}, @NL80211_ATTR_TX_RATES={0x170, 0x5a, 0x0, 0x1, [@NL80211_BAND_6GHZ={0x8c, 0x3, 0x0, 0x1, [@NL80211_TXRATE_HE={0x14, 0x5, {[0x2, 0x3f, 0x8c98, 0xfffa, 0x4, 0x5, 0x725, 0x2b4e]}}, @NL80211_TXRATE_HE={0x14, 0x5, {[0x2, 0xfff, 0xf4, 0xa7, 0x200, 0x335, 0x40, 0x7]}}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE={0x14, 0x5, {[0x1, 0x101, 0x101, 0xd15, 0x9, 0xd958, 0x200, 0x9]}}, @NL80211_TXRATE_HT={0x1f, 0x2, [{0x0, 0x8}, {0x5, 0x4}, {0x7, 0x3}, {0x7, 0x7}, {0x2, 0x6}, {0x4, 0x3}, {0x1, 0x2}, {0x6, 0x5}, {0x3, 0x6}, {0x7, 0x7}, {0x5, 0x6}, {0x7, 0x2}, {0x7, 0x5}, {0x5, 0xa}, {}, {0x0, 0x8}, {0x2, 0x7}, {0x2}, {0x0, 0x9}, {0x7, 0x4}, {0x0, 0x17}, {0x7, 0x3}, {0x1, 0x3}, {0x4, 0x1}, {0x5, 0x2}, {0x3, 0x7}, {0x6, 0x2}]}, @NL80211_TXRATE_VHT={0x14, 0x3, {[0x3e, 0x7, 0xfff8, 0x8, 0x1, 0x4, 0x2, 0x9]}}, @NL80211_TXRATE_HE_LTF={0x5}, @NL80211_TXRATE_LEGACY={0x5, 0x1, [0x5]}]}, @NL80211_BAND_60GHZ={0x1c, 0x2, 0x0, 0x1, [@NL80211_TXRATE_LEGACY={0x16, 0x1, [0x3, 0x1, 0x22, 0x0, 0x3, 0x1b, 0x2, 0x0, 0x1b, 0x1b, 0x12, 0x0, 0x2, 0x60, 0x6, 0x36, 0xc, 0x4]}]}, @NL80211_BAND_2GHZ={0xc4, 0x0, 0x0, 0x1, [@NL80211_TXRATE_HE={0x14, 0x5, {[0xfff7, 0x1000, 0x1000, 0x9, 0x80, 0x7f, 0x8000, 0x6]}}, @NL80211_TXRATE_HE_GI={0x5}, @NL80211_TXRATE_LEGACY={0x16, 0x1, [0x16, 0x1, 0x18, 0x0, 0x7, 0x48, 0x36, 0x24, 0x3, 0x6c, 0x36, 0x9, 0x5, 0x36, 0x30, 0x6c, 0xc, 0x5]}, @NL80211_TXRATE_HT={0x49, 0x2, [{0x5, 0x3}, {0x7, 0x2}, {0x0, 0x6}, {0x3, 0x9}, {0x7, 0x4}, {0x0, 0x8}, {0x7, 0x4}, {0x6, 0x1}, {0x3, 0x2}, {0x0, 0x6}, {0x1, 0x2}, {0x7, 0x6}, {0x3, 0x2}, {0x6, 0x3}, {0x2, 0x1}, {0x7}, {0x5, 0x7}, {0x5, 0x3}, {0x0, 0x1}, {0x7, 0x3}, {0x1, 0xa}, {0x2, 0x9}, {0x6, 0x4}, {0x4, 0x9}, {0x3, 0x2}, {0x7, 0x1}, {0x7, 0x2}, {0x4, 0x6}, {0x0, 0x3}, {0x4, 0x5}, {0x1, 0x4}, {0x1, 0x4}, {0x7, 0x5}, {0x7, 0x7}, {0x4, 0x7}, {0x4, 0x5}, {0x7, 0x8}, {0x1, 0x4}, {0x7, 0x2}, {0x3, 0x1}, {0x5, 0x8}, {0x6, 0xa}, {0x2, 0x3}, {0x7, 0x2}, {0x4, 0x4}, {0x3, 0xa}, {0x6, 0x6}, {0x5, 0x8}, {0x4, 0x9}, {0x2, 0x6}, {0x6, 0x7}, {0x1, 0x9}, {0x6, 0x1}, {0x1, 0x6}, {0x3, 0x7}, {0x0, 0x8}, {0x7, 0xa}, {0x5, 0x2}, {0x7, 0x4}, {0x6, 0x5}, {0x6, 0x4}, {0x1, 0x8}, {0x6, 0x2}, {0x1, 0xa}, {0x0, 0x1}, {0x2, 0x9}, {0x2, 0x4}, {0x2, 0x5}, {0x0, 0x6}]}, @NL80211_TXRATE_VHT={0x14, 0x3, {[0x0, 0x2, 0x4, 0x4, 0x5, 0x401, 0x8, 0x374f]}}, @NL80211_TXRATE_HE_LTF={0x5, 0x7, 0x2}, @NL80211_TXRATE_HT={0x22, 0x2, [{0x2, 0x8}, {0x6, 0x7}, {0x7, 0x4}, {0x1, 0x3}, {0x5, 0x9}, {0x6, 0x4}, {}, {0x4}, {0x0, 0x8}, {0x7, 0x4}, {0x1, 0x3}, {0x3, 0x5}, {0x5, 0x5}, {0x1, 0x1}, {0x7, 0x5}, {0x7, 0x7}, {0x1, 0x2}, {0x7, 0xa}, {0x5, 0x1}, {0x2, 0x2}, {0x1, 0x1}, {0x6, 0x2}, {0x5, 0x8}, {0x4, 0x7}, {0x5, 0x9}, {0x2, 0x2}, {0x6, 0x7}, {0x0, 0xa}, {}, {0x7, 0x5}]}]}]}, @NL80211_ATTR_TX_RATES={0x1c, 0x5a, 0x0, 0x1, [@NL80211_BAND_2GHZ={0x18, 0x0, 0x0, 0x1, [@NL80211_TXRATE_VHT={0x14, 0x3, {[0x3, 0x8000, 0x6, 0x3, 0x6c, 0x200, 0x1f, 0x200]}}]}]}]}, 0x1fc}, 0x1, 0x0, 0x0, 0x84}, 0x20000000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) 05:00:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x700000000000000}, 0x0) 05:00:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 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$netlbl_mgmt(&(0x7f0000000340), r4) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r6, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x40000) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000004c0)=ANY=[@ANYBLOB="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", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r8) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) r11 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4) sendmsg$NLBL_MGMT_C_ADD(r7, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, r11, 0x1, 0x70bd2d, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x8040001) syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$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_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r4) (async) sendmsg$NLBL_MGMT_C_REMOVE(r5, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r6, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, r6, 0x20, 0x70bd28, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x10}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010100}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}]}, 0x48}, 0x1, 0x0, 0x0, 0x4}, 0x40000) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000004c0)=ANY=[@ANYBLOB="721a48987cbf7865cfee89b72e9e734a009c1a00fc184a6947daeb1c318cfaf35844ddc491df5c9296c3ef760d07682573a7dd663abcec717a1ddc116fa100000000cc98839c65d9c5dd9a791e6a65b07a9db46674d7a3c850e537d44224b8e7cbe8a21694744b81f4ae06a34121964f815c7028ecf7b8265e5918b87fe7c159fe53d3de3b7b7ce23ea23303bdf8b79cfe2f1998c685e002e677ea9001d5f144a22b788f9d4e26e26104341a262cf0fec4c96bb0408098517b73fa183efb3a36acf5b99b5f85a38f2604cba7f5939217b19cd5ae7a4a62f8935e5a80dd61a1f4f96f3297ace083ee3e894f01efe4b8a58220bc21a7d08f3263d619d2cae1783fb6f1c64f6e8b7651d1f992c0c3f67e022f01b505d7cbf91129d3927317f4d1bc9be4c59ed167e9fbf912db190774aef734b7b7a5dddb", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r8) (async) sendmsg$NLBL_MGMT_C_REMOVE(r9, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r10, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000240), r4) (async) sendmsg$NLBL_MGMT_C_ADD(r7, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x14, r11, 0x1, 0x70bd2d, 0x25dfdbfd}, 0x14}, 0x1, 0x0, 0x0, 0x40000}, 0x8040001) (async) syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) (async) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:14 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5bd000) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket(0x22, 0x0, 0xfffffffe) (async) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x18, r1, 0x400, 0x70bd27, 0x25dfdbff, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}]}, 0x18}}, 0x4050) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r0) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r6 = syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000200)={&(0x7f00000004c0)={0x1fc, r6, 0x2, 0x70bd28, 0x25dfdbfc, {{}, {@void, @void}}, [@NL80211_ATTR_TX_RATES={0x5c, 0x5a, 0x0, 0x1, [@NL80211_BAND_60GHZ={0x30, 0x2, 0x0, 0x1, [@NL80211_TXRATE_VHT={0x14, 0x3, {[0x2, 0x8, 0x100, 0x4, 0xfff, 0x40, 0x1000, 0x401]}}, @NL80211_TXRATE_GI={0x5, 0x4, 0x2}, @NL80211_TXRATE_LEGACY={0xd, 0x1, [0x1b, 0x16, 0x1b, 0x48, 0x12, 0xc, 0x48, 0x6c, 0x36]}]}, @NL80211_BAND_5GHZ={0xc, 0x1, 0x0, 0x1, [@NL80211_TXRATE_GI={0x5}]}, @NL80211_BAND_2GHZ={0x1c, 0x0, 0x0, 0x1, [@NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x2}]}]}, @NL80211_ATTR_TX_RATES={0x170, 0x5a, 0x0, 0x1, [@NL80211_BAND_6GHZ={0x8c, 0x3, 0x0, 0x1, [@NL80211_TXRATE_HE={0x14, 0x5, {[0x2, 0x3f, 0x8c98, 0xfffa, 0x4, 0x5, 0x725, 0x2b4e]}}, @NL80211_TXRATE_HE={0x14, 0x5, {[0x2, 0xfff, 0xf4, 0xa7, 0x200, 0x335, 0x40, 0x7]}}, @NL80211_TXRATE_HE_GI={0x5, 0x6, 0x1}, @NL80211_TXRATE_HE={0x14, 0x5, {[0x1, 0x101, 0x101, 0xd15, 0x9, 0xd958, 0x200, 0x9]}}, @NL80211_TXRATE_HT={0x1f, 0x2, [{0x0, 0x8}, {0x5, 0x4}, {0x7, 0x3}, {0x7, 0x7}, {0x2, 0x6}, {0x4, 0x3}, {0x1, 0x2}, {0x6, 0x5}, {0x3, 0x6}, {0x7, 0x7}, {0x5, 0x6}, {0x7, 0x2}, {0x7, 0x5}, {0x5, 0xa}, {}, {0x0, 0x8}, {0x2, 0x7}, {0x2}, {0x0, 0x9}, {0x7, 0x4}, {0x0, 0x17}, {0x7, 0x3}, {0x1, 0x3}, {0x4, 0x1}, {0x5, 0x2}, {0x3, 0x7}, {0x6, 0x2}]}, @NL80211_TXRATE_VHT={0x14, 0x3, {[0x3e, 0x7, 0xfff8, 0x8, 0x1, 0x4, 0x2, 0x9]}}, @NL80211_TXRATE_HE_LTF={0x5}, @NL80211_TXRATE_LEGACY={0x5, 0x1, [0x5]}]}, @NL80211_BAND_60GHZ={0x1c, 0x2, 0x0, 0x1, [@NL80211_TXRATE_LEGACY={0x16, 0x1, [0x3, 0x1, 0x22, 0x0, 0x3, 0x1b, 0x2, 0x0, 0x1b, 0x1b, 0x12, 0x0, 0x2, 0x60, 0x6, 0x36, 0xc, 0x4]}]}, @NL80211_BAND_2GHZ={0xc4, 0x0, 0x0, 0x1, [@NL80211_TXRATE_HE={0x14, 0x5, {[0xfff7, 0x1000, 0x1000, 0x9, 0x80, 0x7f, 0x8000, 0x6]}}, @NL80211_TXRATE_HE_GI={0x5}, @NL80211_TXRATE_LEGACY={0x16, 0x1, [0x16, 0x1, 0x18, 0x0, 0x7, 0x48, 0x36, 0x24, 0x3, 0x6c, 0x36, 0x9, 0x5, 0x36, 0x30, 0x6c, 0xc, 0x5]}, @NL80211_TXRATE_HT={0x49, 0x2, [{0x5, 0x3}, {0x7, 0x2}, {0x0, 0x6}, {0x3, 0x9}, {0x7, 0x4}, {0x0, 0x8}, {0x7, 0x4}, {0x6, 0x1}, {0x3, 0x2}, {0x0, 0x6}, {0x1, 0x2}, {0x7, 0x6}, {0x3, 0x2}, {0x6, 0x3}, {0x2, 0x1}, {0x7}, {0x5, 0x7}, {0x5, 0x3}, {0x0, 0x1}, {0x7, 0x3}, {0x1, 0xa}, {0x2, 0x9}, {0x6, 0x4}, {0x4, 0x9}, {0x3, 0x2}, {0x7, 0x1}, {0x7, 0x2}, {0x4, 0x6}, {0x0, 0x3}, {0x4, 0x5}, {0x1, 0x4}, {0x1, 0x4}, {0x7, 0x5}, {0x7, 0x7}, {0x4, 0x7}, {0x4, 0x5}, {0x7, 0x8}, {0x1, 0x4}, {0x7, 0x2}, {0x3, 0x1}, {0x5, 0x8}, {0x6, 0xa}, {0x2, 0x3}, {0x7, 0x2}, {0x4, 0x4}, {0x3, 0xa}, {0x6, 0x6}, {0x5, 0x8}, {0x4, 0x9}, {0x2, 0x6}, {0x6, 0x7}, {0x1, 0x9}, {0x6, 0x1}, {0x1, 0x6}, {0x3, 0x7}, {0x0, 0x8}, {0x7, 0xa}, {0x5, 0x2}, {0x7, 0x4}, {0x6, 0x5}, {0x6, 0x4}, {0x1, 0x8}, {0x6, 0x2}, {0x1, 0xa}, {0x0, 0x1}, {0x2, 0x9}, {0x2, 0x4}, {0x2, 0x5}, {0x0, 0x6}]}, @NL80211_TXRATE_VHT={0x14, 0x3, {[0x0, 0x2, 0x4, 0x4, 0x5, 0x401, 0x8, 0x374f]}}, @NL80211_TXRATE_HE_LTF={0x5, 0x7, 0x2}, @NL80211_TXRATE_HT={0x22, 0x2, [{0x2, 0x8}, {0x6, 0x7}, {0x7, 0x4}, {0x1, 0x3}, {0x5, 0x9}, {0x6, 0x4}, {}, {0x4}, {0x0, 0x8}, {0x7, 0x4}, {0x1, 0x3}, {0x3, 0x5}, {0x5, 0x5}, {0x1, 0x1}, {0x7, 0x5}, {0x7, 0x7}, {0x1, 0x2}, {0x7, 0xa}, {0x5, 0x1}, {0x2, 0x2}, {0x1, 0x1}, {0x6, 0x2}, {0x5, 0x8}, {0x4, 0x7}, {0x5, 0x9}, {0x2, 0x2}, {0x6, 0x7}, {0x0, 0xa}, {}, {0x7, 0x5}]}]}]}, @NL80211_ATTR_TX_RATES={0x1c, 0x5a, 0x0, 0x1, [@NL80211_BAND_2GHZ={0x18, 0x0, 0x0, 0x1, [@NL80211_TXRATE_VHT={0x14, 0x3, {[0x3, 0x8000, 0x6, 0x3, 0x6c, 0x200, 0x1f, 0x200]}}]}]}]}, 0x1fc}, 0x1, 0x0, 0x0, 0x84}, 0x20000000) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r5) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r4, 0x1, 0x1, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:14 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5be000) 05:00:14 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x582000) 05:00:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x800000000000000}, 0x0) 05:00:14 executing program 2: r0 = msgget$private(0x0, 0x0) msgctl$IPC_RMID(r0, 0x0) r1 = msgget$private(0x0, 0x0) msgctl$IPC_RMID(r1, 0x0) msgsnd(r1, &(0x7f0000000180)={0x0, "26af764d14f7c9c7b2409fa23356f01552fe4922988961613c945da74ce3ff"}, 0x27, 0x0) msgctl$MSG_INFO(r0, 0xc, &(0x7f00000004c0)=""/4096) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x38900060}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x94, 0x0, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @private=0xa010101}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010102}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x25}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x94}, 0x1, 0x0, 0x0, 0x20000090}, 0x11) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)=ANY=[@ANYBLOB="2400bbe19bee80", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NL80211_CMD_UPDATE_FT_IES(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="017000fedbdf256000000009000000000000", @ANYRES32=0x0, @ANYBLOB="0c00990002000000350000000600b1000300000018002a006512621c7d8a707effffffffffffffffffffffff"], 0x48}, 0x1, 0x0, 0x0, 0x10}, 0x4004804) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) r5 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$L2TP_CMD_TUNNEL_GET(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r5, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5, 0x22, 0xff}, @L2TP_ATTR_L2SPEC_TYPE={0x5, 0x5, 0x1}, @L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_MRU={0x6}, @L2TP_ATTR_OFFSET={0x6, 0x3, 0x3fe}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000004}, 0x4000001) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_LISTDEF(r6, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000540)={0x90, 0x0, 0x514, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x3c}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '-,+%\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x32}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x90}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000800) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f00000004c0), 0x24681, 0x0) sendmsg$L2TP_CMD_NOOP(r7, &(0x7f00000006c0)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x1a01008}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)=ANY=[@ANYBLOB="d4000000", @ANYRES16=r5, @ANYBLOB="00042bbd7000fddbdf2500000000050007000200000008001800e0000002"], 0x24}, 0x1, 0x0, 0x0, 0xecbb50d4c20195e0}, 0x80) 05:00:14 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5bf000) 05:00:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xa00000000000000}, 0x0) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x0, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:14 executing program 2: r0 = msgget$private(0x0, 0x0) msgctl$IPC_RMID(r0, 0x0) r1 = msgget$private(0x0, 0x0) msgctl$IPC_RMID(r1, 0x0) msgsnd(r1, &(0x7f0000000180)={0x0, "26af764d14f7c9c7b2409fa23356f01552fe4922988961613c945da74ce3ff"}, 0x27, 0x0) msgctl$MSG_INFO(r0, 0xc, &(0x7f00000004c0)=""/4096) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) sendmsg$NLBL_MGMT_C_VERSION(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x38900060}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x94, 0x0, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @private=0xa010101}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010102}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x25}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x94}, 0x1, 0x0, 0x0, 0x20000090}, 0x11) msgget$private(0x0, 0x0) (async) msgctl$IPC_RMID(r0, 0x0) (async) msgget$private(0x0, 0x0) (async) msgctl$IPC_RMID(r1, 0x0) (async) msgsnd(r1, &(0x7f0000000180)={0x0, "26af764d14f7c9c7b2409fa23356f01552fe4922988961613c945da74ce3ff"}, 0x27, 0x0) (async) msgctl$MSG_INFO(r0, 0xc, &(0x7f00000004c0)=""/4096) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_VERSION(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x38900060}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x94, 0x0, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @private=0xa010101}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010102}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x25}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x94}, 0x1, 0x0, 0x0, 0x20000090}, 0x11) (async) 05:00:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x60}, 0x0) 05:00:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)=ANY=[@ANYBLOB="2400bbe19bee80", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) (async) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NL80211_CMD_UPDATE_FT_IES(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="017000fedbdf256000000009000000000000", @ANYRES32=0x0, @ANYBLOB="0c00990002000000350000000600b1000300000018002a006512621c7d8a707effffffffffffffffffffffff"], 0x48}, 0x1, 0x0, 0x0, 0x10}, 0x4004804) (async) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) r5 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$L2TP_CMD_TUNNEL_GET(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r5, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5, 0x22, 0xff}, @L2TP_ATTR_L2SPEC_TYPE={0x5, 0x5, 0x1}, @L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_MRU={0x6}, @L2TP_ATTR_OFFSET={0x6, 0x3, 0x3fe}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000004}, 0x4000001) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) sendmsg$NLBL_MGMT_C_LISTDEF(r6, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000540)={0x90, 0x0, 0x514, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x3c}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '-,+%\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x32}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x90}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000800) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f00000004c0), 0x24681, 0x0) sendmsg$L2TP_CMD_NOOP(r7, &(0x7f00000006c0)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x1a01008}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)=ANY=[@ANYBLOB="d4000000", @ANYRES16=r5, @ANYBLOB="00042bbd7000fddbdf2500000000050007000200000008001800e0000002"], 0x24}, 0x1, 0x0, 0x0, 0xecbb50d4c20195e0}, 0x80) 05:00:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xf00000000000000}, 0x0) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x44, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}]}, 0x44}}, 0x0) 05:00:14 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5c0000) 05:00:14 executing program 2: r0 = msgget$private(0x0, 0x0) msgctl$IPC_RMID(r0, 0x0) r1 = msgget$private(0x0, 0x0) msgctl$IPC_RMID(r1, 0x0) (async) msgsnd(r1, &(0x7f0000000180)={0x0, "26af764d14f7c9c7b2409fa23356f01552fe4922988961613c945da74ce3ff"}, 0x27, 0x0) (async, rerun: 64) msgctl$MSG_INFO(r0, 0xc, &(0x7f00000004c0)=""/4096) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r2) (async) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) (async) sendmsg$NLBL_MGMT_C_VERSION(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x38900060}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x94, 0x0, 0x200, 0x70bd2b, 0x25dfdbfb, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={'\x00', '\xff\xff', @private=0xa010101}}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @private=0xa010102}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private2}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private1}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x25}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x94}, 0x1, 0x0, 0x0, 0x20000090}, 0x11) 05:00:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x50, r1, 0x1, 0x70bd28, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x4}, @NBD_ATTR_SIZE_BYTES={0xc}]}, 0x50}}, 0x0) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x38, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x38}}, 0x0) 05:00:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x2000000000000000}, 0x0) 05:00:14 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000180)=ANY=[@ANYBLOB="2400bbe19bee80", @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c000200000000000000000004000780"], 0x24}}, 0x0) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000200), 0xffffffffffffffff) sendmsg$NL80211_CMD_UPDATE_FT_IES(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="017000fedbdf256000000009000000000000", @ANYRES32=0x0, @ANYBLOB="0c00990002000000350000000600b1000300000018002a006512621c7d8a707effffffffffffffffffffffff"], 0x48}, 0x1, 0x0, 0x0, 0x10}, 0x4004804) r4 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r4, 0x80287010, 0x0) r5 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$L2TP_CMD_TUNNEL_GET(r4, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x44, r5, 0x100, 0x70bd2c, 0x25dfdbfb, {}, [@L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5, 0x22, 0xff}, @L2TP_ATTR_L2SPEC_TYPE={0x5, 0x5, 0x1}, @L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_ENCAP_TYPE={0x6}, @L2TP_ATTR_MRU={0x6}, @L2TP_ATTR_OFFSET={0x6, 0x3, 0x3fe}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000004}, 0x4000001) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) sendmsg$NLBL_MGMT_C_LISTDEF(r6, &(0x7f0000000480)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000540)={0x90, 0x0, 0x514, 0x70bd25, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x3c}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private=0xa010101}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @local}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '-,+%\x00'}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @dev={0xac, 0x14, 0x14, 0x32}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}]}, 0x90}, 0x1, 0x0, 0x0, 0x20000000}, 0x20000800) r7 = openat$nvram(0xffffffffffffff9c, &(0x7f00000004c0), 0x24681, 0x0) sendmsg$L2TP_CMD_NOOP(r7, &(0x7f00000006c0)={&(0x7f0000000600)={0x10, 0x0, 0x0, 0x1a01008}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)=ANY=[@ANYBLOB="d4000000", @ANYRES16=r5, @ANYBLOB="00042bbd7000fddbdf2500000000050007000200000008001800e0000002"], 0x24}, 0x1, 0x0, 0x0, 0xecbb50d4c20195e0}, 0x80) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x30}}, 0x0) 05:00:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1d}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x29}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @rand_addr=0x64010101}, @NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0xffffffffffffffff}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x3}]}, 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x40010) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r5) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r6, 0x1}, 0x14}}, 0x0) r7 = syz_open_dev$audion(&(0x7f0000000180), 0x0, 0x30c01) sendmsg$NBD_CMD_RECONFIGURE(r3, &(0x7f0000000280)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000240)={&(0x7f00000001c0)={0x80, r6, 0x4, 0x70bd25, 0x25dfdbfc, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x8, 0xa, 'nbd\x00'}, @NBD_ATTR_BACKEND_IDENTIFIER={0x7, 0xa, '!u%'}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0xba1}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x104}, @NBD_ATTR_SOCKETS={0x3c, 0x7, 0x0, 0x1, [{0x8, 0x1, r7}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x40000}, 0x44000) 05:00:14 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5c1000) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x30}}, 0x0) 05:00:14 executing program 0: accept$nfc_llcp(0xffffffffffffffff, 0x0, &(0x7f0000000000)) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, 0x0, 0x0, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x26}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4008004}, 0x20000000) 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$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r2) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x4c, r4, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0xd}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '@\x0f)@\x00'}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8001}, 0x40000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="068a6ba6a6dcaf5f00000100020000000000eb00000004000780"], 0x24}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) 05:00:14 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5c2000) 05:00:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x3f00000000000000}, 0x0) [ 3522.031637] nbd: must specify an index to disconnect 05:00:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0xf0ffffff00000000}]}, 0x4c}}, 0x0) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x30, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_SOCKETS={0xc, 0x7, 0x0, 0x1, [{0x8}]}]}, 0x30}}, 0x0) 05:00:14 executing program 0: accept$nfc_llcp(0xffffffffffffffff, 0x0, &(0x7f0000000000)) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, 0x0, 0x0, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x26}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4008004}, 0x20000000) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 32) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r2) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x4c, r4, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0xd}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '@\x0f)@\x00'}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8001}, 0x40000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="068a6ba6a6dcaf5f00000100020000000000eb00000004000780"], 0x24}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) 05:00:14 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x9effffff00000000}]}, 0x4c}}, 0x0) 05:00:14 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x4800000000000000}, 0x0) 05:00:14 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 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$nbd(&(0x7f0000000440), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r5, 0x1, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe2c1}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4000800) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r8) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r9, 0x1}, 0x14}}, 0x0) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r10) sendmsg$NLBL_MGMT_C_REMOVE(r11, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r12, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000580)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x3c, r12, 0x4, 0x9, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x32}}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4004000}, 0x4000) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x80, r9, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x80}}, 0x80) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x3c, r5, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20048025}, 0x24004090) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r15, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:14 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5c3000) 05:00:14 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x2c}}, 0x0) 05:00:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x4c00000000000000}, 0x0) 05:00:15 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5c2000) 05:00:15 executing program 0: accept$nfc_llcp(0xffffffffffffffff, 0x0, &(0x7f0000000000)) (async) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_ADDDEF(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x38, 0x0, 0x0, 0x70bd26, 0x25dfdbfd, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x3}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x26}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @initdev={0xfe, 0x88, '\x00', 0x1, 0x0}}]}, 0x38}, 0x1, 0x0, 0x0, 0x4008004}, 0x20000000) (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$nl_generic(0x10, 0x3, 0x10) (async) r4 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r2) sendmsg$NLBL_MGMT_C_REMOVE(r3, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r4, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_ADD(r1, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f0000000100)={&(0x7f0000000180)={0x4c, r4, 0x200, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x1, 0x0}}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0xd}, @NLBL_MGMT_A_DOMAIN={0x9, 0x1, '@\x0f)@\x00'}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}, @NLBL_MGMT_A_DOMAIN={0x5, 0x1, '\x00'}]}, 0x4c}, 0x1, 0x0, 0x0, 0x8001}, 0x40000) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="068a6ba6a6dcaf5f00000100020000000000eb00000004000780"], 0x24}}, 0x0) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000080), r2) 05:00:15 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5c4000) 05:00:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x5e1af2a400000000}, 0x0) 05:00:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 3522.268279] nbd: must specify an index to disconnect [ 3522.287511] nbd: must specify at least one socket 05:00:15 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x559000) 05:00:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x0, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x5}, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 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$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000480)={0x38, r5, 0x200, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_DOMAIN={0xf, 0x1, '\x00\x00\x00\x00\x00\x00\xe4\xff\xff\xff\x00'}]}, 0x38}}, 0x0) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x2c, r6, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x10) sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x34, r5, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x8, 0x0}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000001}, 0x4004800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) [ 3522.327852] nbd: must specify an index to disconnect 05:00:15 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5c5000) 05:00:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r5, 0x1, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe2c1}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4000800) (async) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r8) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r9, 0x1}, 0x14}}, 0x0) (async) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r12 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r10) sendmsg$NLBL_MGMT_C_REMOVE(r11, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r12, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000580)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x3c, r12, 0x4, 0x9, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x32}}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4004000}, 0x4000) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x80, r9, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x80}}, 0x80) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x3c, r5, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20048025}, 0x24004090) (async) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r15, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x6000000000000000}, 0x0) [ 3522.387606] nbd: must specify at least one socket 05:00:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) 05:00:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x0, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x5}, 0x10) (async) r2 = 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$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000480)={0x38, r5, 0x200, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_DOMAIN={0xf, 0x1, '\x00\x00\x00\x00\x00\x00\xe4\xff\xff\xff\x00'}]}, 0x38}}, 0x0) (async) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x2c, r6, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x10) (async) sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x34, r5, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x8, 0x0}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000001}, 0x4004800) (async, rerun: 64) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) 05:00:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 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$nbd(&(0x7f0000000440), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r5, 0x1}, 0x14}}, 0x0) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r5, 0x1, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe2c1}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4000800) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r8) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r9, 0x1}, 0x14}}, 0x0) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r12 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r10) sendmsg$NLBL_MGMT_C_REMOVE(r11, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r12, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000580)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x3c, r12, 0x4, 0x9, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x32}}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4004000}, 0x4000) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x80, r9, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x80}}, 0x80) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x3c, r5, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20048025}, 0x24004090) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r15, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) 05:00:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x6800000000000000}, 0x0) 05:00:15 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5c6000) [ 3522.472391] nbd: must specify an index to disconnect [ 3522.483315] nbd: must specify at least one socket [ 3522.502114] nbd: must specify an index to disconnect 05:00:15 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async, rerun: 64) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) 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$nbd(&(0x7f0000000440), r4) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r5, 0x1}, 0x14}}, 0x0) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000240)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x20, r5, 0x1, 0x70bd28, 0x25dfdbfb, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xe2c1}]}, 0x20}, 0x1, 0x0, 0x0, 0x80}, 0x4000800) r6 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r7 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r8 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r9 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r8) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r9, 0x1}, 0x14}}, 0x0) (async, rerun: 32) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 32) r11 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r12 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000340), r10) sendmsg$NLBL_MGMT_C_REMOVE(r11, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r12, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @empty}, @NLBL_MGMT_A_DOMAIN={0xa, 0x1, '\'[%(&\x00'}]}, 0x34}}, 0x0) (async) sendmsg$NLBL_MGMT_C_ADDDEF(r2, &(0x7f0000000580)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000540)={&(0x7f00000004c0)={0x3c, r12, 0x4, 0x9, 0x25dfdbfe, {}, [@NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @dev={0xac, 0x14, 0x14, 0x32}}, @NLBL_MGMT_A_DOMAIN={0x8, 0x1, 'nbd\x00'}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x9}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x1f}]}, 0x3c}, 0x1, 0x0, 0x0, 0x4004000}, 0x4000) (async) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) (async, rerun: 32) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) (rerun: 32) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x80, r9, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x5}, @NBD_ATTR_SOCKETS={0x2c, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}]}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x12a}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}, @NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x2}]}, 0x80}}, 0x80) (async) sendmsg$NBD_CMD_STATUS(r0, &(0x7f00000003c0)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x3c, r5, 0x4, 0x70bd25, 0x25dfdbff, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc, 0x8, 0x9}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x128}, @NBD_ATTR_BACKEND_IDENTIFIER={0xf, 0xa, '/dev/nvram\x00'}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20048025}, 0x24004090) (async, rerun: 64) r15 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_CONNECT(r15, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x0) [ 3522.530643] nbd: must specify at least one socket 05:00:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x6c00000000000000}, 0x0) 05:00:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x28, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x28}}, 0x0) [ 3522.573721] nbd: must specify an index to disconnect [ 3522.600937] nbd: must specify at least one socket 05:00:15 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5c7000) 05:00:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x0, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x5}, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 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$netlbl_mgmt(&(0x7f0000000340), r3) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000480)={0x38, r5, 0x200, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_DOMAIN={0xf, 0x1, '\x00\x00\x00\x00\x00\x00\xe4\xff\xff\xff\x00'}]}, 0x38}}, 0x0) r6 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r1) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x2c, r6, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x10) sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x34, r5, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x8, 0x0}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000001}, 0x4004800) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NLBL_MGMT_C_REMOVE(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x0, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@NLBL_MGMT_A_CV4DOI={0x8, 0x4, 0x1}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x1}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private0={0xfc, 0x0, '\x00', 0x1}}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast2}, @NLBL_MGMT_A_CLPDOI={0x8}]}, 0x48}, 0x1, 0x0, 0x0, 0x5}, 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(&(0x7f0000000340), r3) (async) sendmsg$NLBL_MGMT_C_REMOVE(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000480)={0x38, r5, 0x200, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @loopback}, @NLBL_MGMT_A_DOMAIN={0xf, 0x1, '\x00\x00\x00\x00\x00\x00\xe4\xff\xff\xff\x00'}]}, 0x38}}, 0x0) (async) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), r1) (async) sendmsg$NLBL_MGMT_C_PROTOCOLS(r2, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x2c, r6, 0x2, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x2a}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}, @NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x3}]}, 0x2c}, 0x1, 0x0, 0x0, 0x1}, 0x10) (async) sendmsg$NLBL_MGMT_C_VERSION(r2, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x20000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x34, r5, 0x20, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @initdev={0xac, 0x1e, 0x8, 0x0}}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}, @NLBL_MGMT_A_CLPDOI={0x8, 0xc, 0x2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x8}]}, 0x34}, 0x1, 0x0, 0x0, 0x20000001}, 0x4004800) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) [ 3522.627241] nbd: must specify an index to disconnect [ 3522.644209] nbd: must specify an index to disconnect 05:00:15 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x552000) 05:00:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x7400000000000000}, 0x0) [ 3522.680234] nbd: must specify at least one socket 05:00:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x20}}, 0x0) 05:00:15 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5c8000) 05:00:15 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_STATUS(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10004008}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x4c, r1, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x4c}, 0x1, 0x0, 0x0, 0xc04c010}, 0x81) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000140)={0x2c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x1ff}, @NBD_ATTR_SERVER_FLAGS={0xc}]}, 0x2c}}, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r4, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x14, r5, 0x1, 0x0, 0x0, {{}, {@void, @void}}}, 0x14}}, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'wlan0\x00', 0x0}) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000180), 0xffffffffffffffff) sendmsg$NL80211_CMD_UNEXPECTED_FRAME(r7, &(0x7f0000000240)={&(0x7f0000000140), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r8, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @void}}}, 0x1c}}, 0x0) sendmsg$NL80211_CMD_UPDATE_FT_IES(0xffffffffffffffff, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x80801041}, 0xc, &(0x7f00000003c0)={&(0x7f0000000480)={0xf8, r8, 0x800, 0x70bd26, 0x25dfdbff, {{}, {@val={0x8, 0x3, r6}, @val={0xc, 0x99, {0x4, 0x7d}}}}, [@NL80211_ATTR_MDID={0x6, 0xb1, 0xf}, @NL80211_ATTR_MDID={0x6}, @NL80211_ATTR_IE={0xa5, 0x2a, [@mesh_id={0x72, 0x6}, @channel_switch={0x25, 0x3, {0x0, 0x28, 0x8}}, @measure_req={0x26, 0x50, {0x20, 0x4, 0x11, "8930a387543d3aca641f927fccea57e695b1f22fd5361f6b536ff23c7c4266809c6753f6e7b6c09ad11b741313fa6523eeaa3d099c75dcfaa28a0ca838e8344bce2a77020dbf1fce53dd5d911a"}}, @ext_channel_switch={0x3c, 0x4, {0x1, 0x5, 0xb4, 0xd8}}, @ext_channel_switch={0x3c, 0x4, {0x1, 0xff, 0x2c, 0x17}}, @prep={0x83, 0x1f, @not_ext={{}, 0x65, 0x1f, @device_a, 0x80, "", 0x6, 0x3, @broadcast, 0x8}}, @challenge={0x10, 0x1, 0xf4}, @ssid={0x0, 0x6, @default_ap_ssid}, @ibss={0x6, 0x2}, @chsw_timing={0x68, 0x4, {0x4, 0x2}}]}, @NL80211_ATTR_MDID={0x6}, @NL80211_ATTR_MDID={0x6, 0xb1, 0xfe9}, @NL80211_ATTR_MDID={0x6, 0xb1, 0xf800}]}, 0xf8}, 0x1, 0x0, 0x0, 0x4800}, 0x24008094) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000680)=ANY=[@ANYBLOB="0004000018ec1f9d7f612b62736deda862484b9b02a596134016256501931d7f4415e738a4a134a5c740e2bca51ed00432015ef65b3217ec46be51128510a495d88c174df316e6922006e3724301a9f1090f6adae15e7102497123f41714464ede7506dfaa33500b404455fe2f33a5410ebb98f705d60ab4b34296b4ca3e71c0b8ff68df28ee2bf727b30b0d634285c0767ed90b298989d4e415dd5a517fe1016df4e8301a960aaf7e64a88b4c6a5062d76b701cf96702a4e1a542503c7cf2eb7ccfa099d996229b761c061b460a7529d610d7ae69", @ANYRES16=0x0, @ANYBLOB="01000000000000000000020080002a78912c8a66fca21ebd91e6fb65ab55259b829c146abc95b2d9a4de944eed40599082793b9f754aa3d80775ff901dedd080cd93e5438be7c8eab01e184b41eb81dffc8cb9fbee7be44c8b70fcee8fd8c0bd3e390e1575c1eab0ba6ba742d864f818ed8e8f8a6277952f5dbc22f24d55ac20a2c91c09708a64d30a90bdf6d077737302bb426c3a950c3a88c54673bf2ac6fbef8e761f57936ecee50de3ac0ceed82851aa3b31f92379c8dd6525b4f67782feef60c218953814778f"], 0x14}}, 0x0) r9 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r10 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r11 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r10) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x14, r11, 0x1}, 0x14}}, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) ioctl$NBD_PRINT_DEBUG(r12, 0xab06) sendmsg$NBD_CMD_STATUS(r3, &(0x7f0000000840)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000640)={&(0x7f00000005c0)={0x70, r11, 0x0, 0x70bd2d, 0x25dfdbfe, {}, [@NBD_ATTR_TIMEOUT={0xc, 0x4, 0x2}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x2}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x20}, @NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x9}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7}]}, 0x70}, 0x1, 0x0, 0x0, 0x4000800}, 0x20000000) sendmsg$NLBL_MGMT_C_PROTOCOLS(r3, &(0x7f0000000280)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000880)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00022abd7000fedbdf250700000014000600fc000000000000000000000000000001080001006e6264ff08000700ac1414aa06000b00080000000800040003000000d00ed4ac3f617ffaaf59551932a1e9ab74e6dbb94c813ba8c0e3"], 0x48}, 0x1, 0x0, 0x0, 0x1}, 0x40040) 05:00:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x7a00000000000000}, 0x0) 05:00:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={0x0}}, 0x0) 05:00:15 executing program 2: sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x40) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r4, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x306}]}, 0x20}, 0x1, 0x0, 0x0, 0x8005}, 0x1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c020000000000000000000004000780"], 0x24}}, 0x0) 05:00:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x20}}, 0x0) 05:00:15 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5c9000) [ 3522.834434] nbd: must specify a size in bytes for the device 05:00:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) socketpair(0x10, 0x2, 0x9, &(0x7f0000000340)={0xffffffffffffffff}) r17 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r17, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}, {0x8, 0x1, r17}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x9effffff00000000}, 0x0) [ 3522.924834] nbd: must specify at least one socket 05:00:15 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5ca000) 05:00:15 executing program 0: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x531000) 05:00:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)={0x20, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SOCKETS={0x4}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}]}, 0x20}}, 0x0) 05:00:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xf0ffffff00000000}, 0x0) [ 3522.957846] nbd: must specify an index to disconnect [ 3522.975807] nbd: must specify a size in bytes for the device [ 3522.993183] nbd: must specify at least one socket 05:00:15 executing program 2: sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x40) (async) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async, rerun: 64) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r4, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x306}]}, 0x20}, 0x1, 0x0, 0x0, 0x8005}, 0x1) (async, rerun: 32) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c020000000000000000000004000780"], 0x24}}, 0x0) (rerun: 32) 05:00:15 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) socketpair(0x10, 0x2, 0x9, &(0x7f0000000340)={0xffffffffffffffff}) r17 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r17, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}, {0x8, 0x1, r17}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:15 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8, 0xa}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}}, 0x0) 05:00:15 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xffffff7f00000000}, 0x0) 05:00:15 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5cb000) 05:00:15 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x3, 0x8}]}, 0x4c}}, 0x0) [ 3523.132958] nbd: must specify a size in bytes for the device [ 3523.165323] nbd: must specify at least one socket [ 3523.170831] nbd: must specify at least one socket [ 3523.175801] nbd: must specify at least one socket 05:00:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xffffffff00000000}, 0x0) 05:00:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_DEAD_CONN_TIMEOUT={0xc}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}}, 0x4008050) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), r2) 05:00:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) socketpair(0x10, 0x2, 0x9, &(0x7f0000000340)={0xffffffffffffffff}) r17 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r17, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}, {0x8, 0x1, r17}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) [ 3523.251457] nbd: must specify at least one socket [ 3523.264330] nbd: must specify at least one socket [ 3523.285198] nbd: must specify at least one socket 05:00:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:16 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5cc000) 05:00:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0xfffffffffffff000}, 0x0) [ 3523.303612] nbd: must specify at least one socket [ 3523.319110] nbd: must specify at least one socket [ 3523.332247] nbd: must specify at least one socket [ 3523.344024] nbd: must specify a size in bytes for the device [ 3523.364587] nbd: must specify at least one socket [ 3523.373134] nbd: must specify at least one socket [ 3523.383791] nbd: must specify at least one socket [ 3523.395816] nbd: must specify at least one socket [ 3523.402468] nbd: must specify at least one socket [ 3523.419382] nbd: must specify at least one socket [ 3523.426265] nbd: must specify at least one socket [ 3523.436746] nbd: must specify at least one socket [ 3523.442665] nbd: must specify at least one socket [ 3523.447648] nbd: must specify at least one socket [ 3523.453702] nbd: must specify at least one socket [ 3523.491672] nbd: must specify at least one socket [ 3523.501056] nbd: must specify at least one socket [ 3523.506889] nbd: must specify at least one socket [ 3523.512190] nbd: must specify at least one socket [ 3523.517122] nbd: must specify at least one socket [ 3523.522202] nbd: must specify at least one socket [ 3523.527123] nbd: must specify at least one socket [ 3523.532869] nbd: must specify at least one socket 05:00:16 executing program 2: sendmsg$NBD_CMD_RECONFIGURE(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x24, 0x0, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@NBD_ATTR_BACKEND_IDENTIFIER={0x4}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x2}]}, 0x24}, 0x1, 0x0, 0x0, 0x40000}, 0x40) (async, rerun: 64) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (rerun: 64) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) (async) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000140), r2) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000000200)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x20, r4, 0x400, 0x70bd28, 0x25dfdbfd, {}, [@NBD_ATTR_SERVER_FLAGS={0xc, 0x5, 0x306}]}, 0x20}, 0x1, 0x0, 0x0, 0x8005}, 0x1) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=ANY=[@ANYBLOB='$\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="01000000000000000000010000000c020000000000000000000004000780"], 0x24}}, 0x0) 05:00:16 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5cd000) 05:00:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x2}, 0x0) 05:00:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) socketpair(0x10, 0x2, 0x9, &(0x7f0000000340)={0xffffffffffffffff}) r17 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}, {0x8, 0x1, r17}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) [ 3523.537789] nbd: must specify at least one socket [ 3523.542799] nbd: must specify at least one socket [ 3523.547717] nbd: must specify at least one socket [ 3523.552753] nbd: must specify at least one socket [ 3523.557666] nbd: must specify at least one socket 05:00:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x3}, 0x0) 05:00:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) socketpair(0x10, 0x2, 0x9, &(0x7f0000000340)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8, 0x1, r16}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:16 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5ce000) 05:00:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x903, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) 05:00:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x4}, 0x0) 05:00:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x5}, 0x0) 05:00:16 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5cf000) 05:00:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x903, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x903, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) (async) 05:00:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) [ 3523.863596] nbd: must specify a size in bytes for the device 05:00:16 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:16 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:16 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5d0000) 05:00:16 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x6}, 0x0) 05:00:16 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x903, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) (async) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x24, r1, 0x903, 0x0, 0x0, {}, [@NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x3}, @NBD_ATTR_SOCKETS={0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) (async) [ 3523.998436] nbd: must specify a size in bytes for the device [ 3524.017638] nbd: must specify a size in bytes for the device 05:00:16 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5d1000) 05:00:16 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x7}, 0x0) 05:00:17 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5d2000) 05:00:17 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) [ 3524.189744] nbd: must specify a size in bytes for the device [ 3524.225935] nbd: must specify a size in bytes for the device 05:00:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x8}, 0x0) 05:00:17 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:17 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:17 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5d3000) 05:00:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0xa}, 0x0) 05:00:17 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:17 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0xf}, 0x0) 05:00:17 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5d4000) 05:00:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x48}, 0x0) 05:00:17 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:17 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, 0x0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:17 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5d5000) 05:00:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x4c}, 0x0) 05:00:17 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:17 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:17 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5d6000) 05:00:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:17 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x60}, 0x0) 05:00:17 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:17 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5d7000) 05:00:17 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:17 executing program 1: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:17 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:17 executing program 0: r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:17 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x68}, 0x0) 05:00:17 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5d8000) [ 3525.131103] nla_parse: 236 callbacks suppressed [ 3525.131113] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3525.167037] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 05:00:17 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5d9000) [ 3525.187030] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3525.197060] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3525.207826] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3525.223261] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 05:00:18 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5da000) [ 3525.234378] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3525.248372] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. 05:00:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x6c}, 0x0) 05:00:18 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5db000) 05:00:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) [ 3525.341409] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3525.374009] netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. 05:00:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x74}, 0x0) 05:00:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:18 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5dc000) 05:00:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x7a}, 0x0) 05:00:18 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5dd000) 05:00:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r14, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:18 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:18 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:18 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0xf0}, 0x0) 05:00:18 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:18 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5de000) 05:00:18 executing program 1: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:18 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5df000) 05:00:18 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x300}, 0x0) 05:00:18 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:18 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:18 executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), 0xffffffffffffffff) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r0, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:18 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5e0000) 05:00:18 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x500}, 0x0) 05:00:18 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:19 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5e1000) 05:00:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0xc000}]}, 0x4c}}, 0x0) 05:00:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x600}, 0x0) 05:00:19 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5e2000) 05:00:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) r14 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r15 = socket(0x1f, 0x5, 0xfffffe01) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8, 0x1, r14}, {0x8, 0x1, r15}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x700}, 0x0) 05:00:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:19 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5e3000) 05:00:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc, 0x4}]}, 0x4c}}, 0x0) 05:00:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0xa00}, 0x0) 05:00:19 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5e4000) 05:00:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, 0x0) r14 = socket(0x1f, 0x5, 0xfffffe01) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8}, {0x8, 0x1, r14}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:19 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5e5000) 05:00:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, 0x0) r14 = socket(0x1f, 0x5, 0xfffffe01) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8}, {0x8, 0x1, r14}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0xf00}, 0x0) 05:00:19 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8}, {0x8}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8}, {0x8}, {0x8}, {0x8}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x2000}, 0x0) 05:00:19 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5e6000) 05:00:19 executing program 0: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, 0x0, 0x0) 05:00:19 executing program 1: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000000380)={0x0, 0x0, 0x0}, 0x0) 05:00:19 executing program 2: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x14, 0x0, 0x1}, 0x14}}, 0x0) syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000000), r2) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f00000000c0), 0x200200, 0x0) r5 = openat$sw_sync_info(0xffffffffffffff9c, &(0x7f0000000180), 0x20240, 0x0) r6 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) r7 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000280), 0xffffffffffffffff) sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x1c, r7, 0x1, 0x70bd25, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @multicast1}]}, 0x1c}, 0x1, 0x0, 0x0, 0x1}, 0x0) ioctl$RTC_WKALM_RD(r6, 0x80287010, 0x0) r8 = syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x20c00) r9 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r9, 0x80287010, 0x0) r10 = syz_open_dev$vcsu(&(0x7f0000000200), 0x4, 0x240000) r11 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r11, 0x80287010, 0x0) r12 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r12, 0x80287010, 0x0) r13 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000500), 0x0, 0x0) ioctl$RTC_WKALM_RD(r13, 0x80287010, 0x0) ioctl$RTC_WKALM_RD(0xffffffffffffffff, 0x80287010, 0x0) r14 = socket(0x1f, 0x5, 0xfffffe01) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000380)={0xb0, r1, 0x1, 0x4, 0x80, {}, [@NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0xfffffffffffffffb}, @NBD_ATTR_SOCKETS={0x34, 0x7, 0x0, 0x1, [{0x8, 0x1, r10}, {0x8, 0x1, r13}, {0x8}, {0x8, 0x1, r14}, {0x8}, {0x8}]}, @NBD_ATTR_SOCKETS={0x44, 0x7, 0x0, 0x1, [{0x8, 0x1, r4}, {0x8, 0x1, r5}, {0x8}, {0x8, 0x1, r6}, {0x8, 0x1, r8}, {0x8, 0x1, r9}, {0x8, 0x1, r12}, {0x8, 0x1, r11}]}, @NBD_ATTR_CLIENT_FLAGS={0xc, 0x6, 0x5}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x8}]}, 0xb0}, 0x1, 0x0, 0x0, 0x40800}, 0x0) 05:00:19 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000440), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)={0x4c, r1, 0x1, 0x0, 0x0, {}, [@NBD_ATTR_SERVER_FLAGS={0xc}, @NBD_ATTR_SIZE_BYTES={0xc}, @NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [{0x8}, {0x8}]}, @NBD_ATTR_BLOCK_SIZE_BYTES={0xc}]}, 0x4c}, 0x1, 0x0, 0x3f00}, 0x0) 05:00:19 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5e7000) [ 3527.120996] ================================================================== [ 3527.128641] BUG: KASAN: use-after-free in refcount_dec_not_one+0x71/0x1d0 [ 3527.135572] Read of size 4 at addr ffff8880b12be8d8 by task syz-executor.4/1388 [ 3527.143008] [ 3527.144647] CPU: 1 PID: 1388 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 [ 3527.152447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 3527.161809] Call Trace: [ 3527.164412] dump_stack+0x1fc/0x2ef 05:00:19 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5e8000) [ 3527.168083] print_address_description.cold+0x54/0x219 [ 3527.173378] kasan_report_error.cold+0x8a/0x1b9 [ 3527.178067] ? refcount_dec_not_one+0x71/0x1d0 [ 3527.182663] kasan_report+0x8f/0xa0 [ 3527.186306] ? refcount_dec_not_one+0x71/0x1d0 [ 3527.190999] refcount_dec_not_one+0x71/0x1d0 [ 3527.195435] ? refcount_dec_and_test_checked+0x20/0x20 [ 3527.200731] ? nbd_config_put+0x5da/0x870 [ 3527.204898] refcount_dec_and_mutex_lock+0x1c/0x80 [ 3527.210108] nbd_genl_connect+0x11ee/0x1630 [ 3527.214454] ? nbd_xmit_timeout+0x730/0x730 05:00:20 executing program 3: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000001080), 0x0, 0x0) read$alg(r0, &(0x7f0000000040)=""/4120, 0x5e9000) [ 3527.218797] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 3527.224005] ? validate_nla+0x270/0x820 [ 3527.228001] ? nla_parse+0x1b2/0x290 [ 3527.231743] genl_family_rcv_msg+0x642/0xc40 [ 3527.236178] ? genl_rcv+0x40/0x40 [ 3527.239643] ? genl_rcv_msg+0x12f/0x160 [ 3527.243635] ? mutex_trylock+0x1a0/0x1a0 [ 3527.247719] ? __radix_tree_lookup+0x216/0x370 [ 3527.252410] genl_rcv_msg+0xbf/0x160 [ 3527.256135] netlink_rcv_skb+0x160/0x440 [ 3527.260210] ? genl_family_rcv_msg+0xc40/0xc40 [ 3527.264812] ? netlink_ack+0xae0/0xae0 [ 3527.268716] ? genl_rcv+0x15/0x40 [ 3527.272192] genl_rcv+0x24/0x40 [ 3527.275487] netlink_unicast+0x4d5/0x690 [ 3527.279569] ? netlink_sendskb+0x110/0x110 [ 3527.283810] ? _copy_from_iter_full+0x229/0x7c0 [ 3527.288475] ? __phys_addr_symbol+0x2c/0x70 [ 3527.292791] ? __check_object_size+0x17b/0x3e0 [ 3527.297472] netlink_sendmsg+0x6c3/0xc50 [ 3527.301637] ? aa_af_perm+0x230/0x230 [ 3527.305708] ? nlmsg_notify+0x1f0/0x1f0 [ 3527.309670] ? kernel_recvmsg+0x220/0x220 [ 3527.313824] ? nlmsg_notify+0x1f0/0x1f0 [ 3527.318203] sock_sendmsg+0xc3/0x120 [ 3527.318219] ___sys_sendmsg+0x7bb/0x8e0 [ 3527.325924] ? copy_msghdr_from_user+0x440/0x440 [ 3527.330670] ? __fget+0x32f/0x510 [ 3527.334112] ? lock_downgrade+0x720/0x720 [ 3527.338339] ? check_preemption_disabled+0x41/0x280 [ 3527.343354] ? check_preemption_disabled+0x41/0x280 [ 3527.348362] ? __fget+0x356/0x510 [ 3527.351806] ? do_dup2+0x450/0x450 [ 3527.355352] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 3527.360546] ? debug_check_no_obj_freed+0x201/0x490 [ 3527.365580] ? __fdget+0x1d0/0x230 [ 3527.369119] __x64_sys_sendmsg+0x132/0x220 [ 3527.373342] ? __sys_sendmsg+0x1b0/0x1b0 [ 3527.377474] ? __se_sys_futex+0x298/0x3b0 [ 3527.381632] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 3527.387010] ? trace_hardirqs_off_caller+0x6e/0x210 [ 3527.392022] ? do_syscall_64+0x21/0x620 [ 3527.395990] do_syscall_64+0xf9/0x620 [ 3527.399805] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3527.404979] RIP: 0033:0x7fe98836e0f9 [ 3527.408678] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 3527.427748] RSP: 002b:00007fe9868e0168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3527.435463] RAX: ffffffffffffffda RBX: 00007fe98848df80 RCX: 00007fe98836e0f9 [ 3527.442727] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000006 [ 3527.450002] RBP: 00007fe9883c9ae9 R08: 0000000000000000 R09: 0000000000000000 [ 3527.457277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 3527.464540] R13: 00007ffe32cbd98f R14: 00007fe9868e0300 R15: 0000000000022000 [ 3527.471806] [ 3527.473430] Allocated by task 1385: [ 3527.477053] kmem_cache_alloc_trace+0x12f/0x380 [ 3527.481719] nbd_dev_add+0x44/0x890 [ 3527.485340] nbd_genl_connect+0x4cc/0x1630 [ 3527.489565] genl_family_rcv_msg+0x642/0xc40 [ 3527.493961] genl_rcv_msg+0xbf/0x160 [ 3527.497670] netlink_rcv_skb+0x160/0x440 [ 3527.501732] genl_rcv+0x24/0x40 [ 3527.505006] netlink_unicast+0x4d5/0x690 [ 3527.509089] netlink_sendmsg+0x6c3/0xc50 [ 3527.513157] sock_sendmsg+0xc3/0x120 [ 3527.516865] ___sys_sendmsg+0x7bb/0x8e0 [ 3527.520821] __x64_sys_sendmsg+0x132/0x220 [ 3527.525055] do_syscall_64+0xf9/0x620 [ 3527.528845] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3527.534021] [ 3527.535631] Freed by task 1388: [ 3527.538892] kfree+0xcc/0x210 [ 3527.541997] nbd_put.part.0+0xfe/0x140 [ 3527.545906] nbd_config_put+0x6a0/0x870 [ 3527.549865] nbd_genl_connect+0x11bb/0x1630 [ 3527.554184] genl_family_rcv_msg+0x642/0xc40 [ 3527.558598] genl_rcv_msg+0xbf/0x160 [ 3527.562309] netlink_rcv_skb+0x160/0x440 [ 3527.566367] genl_rcv+0x24/0x40 [ 3527.569657] netlink_unicast+0x4d5/0x690 [ 3527.573736] netlink_sendmsg+0x6c3/0xc50 [ 3527.577794] sock_sendmsg+0xc3/0x120 [ 3527.581492] ___sys_sendmsg+0x7bb/0x8e0 [ 3527.585562] __x64_sys_sendmsg+0x132/0x220 [ 3527.589791] do_syscall_64+0xf9/0x620 [ 3527.593578] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3527.598765] [ 3527.600376] The buggy address belongs to the object at ffff8880b12be800 [ 3527.600376] which belongs to the cache kmalloc-512 of size 512 [ 3527.613046] The buggy address is located 216 bytes inside of [ 3527.613046] 512-byte region [ffff8880b12be800, ffff8880b12bea00) [ 3527.624920] The buggy address belongs to the page: [ 3527.629842] page:ffffea0002c4af80 count:1 mapcount:0 mapping:ffff88813bff0940 index:0x0 [ 3527.637968] flags: 0xfff00000000100(slab) [ 3527.642124] raw: 00fff00000000100 ffffea00026c1748 ffffea0002a560c8 ffff88813bff0940 [ 3527.650256] raw: 0000000000000000 ffff8880b12be080 0000000100000006 0000000000000000 [ 3527.658120] page dumped because: kasan: bad access detected [ 3527.663897] [ 3527.665590] Memory state around the buggy address: [ 3527.670502] ffff8880b12be780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 3527.677846] ffff8880b12be800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 3527.685316] >ffff8880b12be880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 3527.692664] ^ [ 3527.698899] ffff8880b12be900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 3527.706251] ffff8880b12be980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 3527.713602] ================================================================== [ 3527.720958] Disabling lock debugging due to kernel taint [ 3527.746272] Kernel panic - not syncing: panic_on_warn set ... [ 3527.746272] [ 3527.753672] CPU: 1 PID: 1388 Comm: syz-executor.4 Tainted: G B 4.19.211-syzkaller #0 [ 3527.762855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 3527.772201] Call Trace: [ 3527.774771] dump_stack+0x1fc/0x2ef [ 3527.778401] panic+0x26a/0x50e [ 3527.781575] ? __warn_printk+0xf3/0xf3 [ 3527.785456] ? preempt_schedule_common+0x45/0xc0 [ 3527.790201] ? ___preempt_schedule+0x16/0x18 [ 3527.794590] ? trace_hardirqs_on+0x55/0x210 [ 3527.798895] kasan_end_report+0x43/0x49 [ 3527.802863] kasan_report_error.cold+0xa7/0x1b9 [ 3527.807513] ? refcount_dec_not_one+0x71/0x1d0 [ 3527.812090] kasan_report+0x8f/0xa0 [ 3527.815716] ? refcount_dec_not_one+0x71/0x1d0 [ 3527.820278] refcount_dec_not_one+0x71/0x1d0 [ 3527.824670] ? refcount_dec_and_test_checked+0x20/0x20 [ 3527.829930] ? nbd_config_put+0x5da/0x870 [ 3527.834061] refcount_dec_and_mutex_lock+0x1c/0x80 [ 3527.838982] nbd_genl_connect+0x11ee/0x1630 [ 3527.843304] ? nbd_xmit_timeout+0x730/0x730 [ 3527.847606] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 3527.852784] ? validate_nla+0x270/0x820 [ 3527.856738] ? nla_parse+0x1b2/0x290 [ 3527.860432] genl_family_rcv_msg+0x642/0xc40 [ 3527.864837] ? genl_rcv+0x40/0x40 [ 3527.868268] ? genl_rcv_msg+0x12f/0x160 [ 3527.872223] ? mutex_trylock+0x1a0/0x1a0 [ 3527.876268] ? __radix_tree_lookup+0x216/0x370 [ 3527.880829] genl_rcv_msg+0xbf/0x160 [ 3527.884522] netlink_rcv_skb+0x160/0x440 [ 3527.888567] ? genl_family_rcv_msg+0xc40/0xc40 [ 3527.893127] ? netlink_ack+0xae0/0xae0 [ 3527.897004] ? genl_rcv+0x15/0x40 [ 3527.900452] genl_rcv+0x24/0x40 [ 3527.903712] netlink_unicast+0x4d5/0x690 [ 3527.907756] ? netlink_sendskb+0x110/0x110 [ 3527.911969] ? _copy_from_iter_full+0x229/0x7c0 [ 3527.916625] ? __phys_addr_symbol+0x2c/0x70 [ 3527.921366] ? __check_object_size+0x17b/0x3e0 [ 3527.925928] netlink_sendmsg+0x6c3/0xc50 [ 3527.929970] ? aa_af_perm+0x230/0x230 [ 3527.933754] ? nlmsg_notify+0x1f0/0x1f0 [ 3527.937711] ? kernel_recvmsg+0x220/0x220 [ 3527.941845] ? nlmsg_notify+0x1f0/0x1f0 [ 3527.945801] sock_sendmsg+0xc3/0x120 [ 3527.949499] ___sys_sendmsg+0x7bb/0x8e0 [ 3527.953466] ? copy_msghdr_from_user+0x440/0x440 [ 3527.958203] ? __fget+0x32f/0x510 [ 3527.961645] ? lock_downgrade+0x720/0x720 [ 3527.965772] ? check_preemption_disabled+0x41/0x280 [ 3527.970772] ? check_preemption_disabled+0x41/0x280 [ 3527.975768] ? __fget+0x356/0x510 [ 3527.979202] ? do_dup2+0x450/0x450 [ 3527.982723] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 3527.987805] ? debug_check_no_obj_freed+0x201/0x490 [ 3527.992802] ? __fdget+0x1d0/0x230 [ 3527.996324] __x64_sys_sendmsg+0x132/0x220 [ 3528.000539] ? __sys_sendmsg+0x1b0/0x1b0 [ 3528.004591] ? __se_sys_futex+0x298/0x3b0 [ 3528.008723] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 3528.014072] ? trace_hardirqs_off_caller+0x6e/0x210 [ 3528.019094] ? do_syscall_64+0x21/0x620 [ 3528.023081] do_syscall_64+0xf9/0x620 [ 3528.026875] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3528.032061] RIP: 0033:0x7fe98836e0f9 [ 3528.035755] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 3528.054644] RSP: 002b:00007fe9868e0168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3528.062332] RAX: ffffffffffffffda RBX: 00007fe98848df80 RCX: 00007fe98836e0f9 [ 3528.069581] RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000006 [ 3528.076828] RBP: 00007fe9883c9ae9 R08: 0000000000000000 R09: 0000000000000000 [ 3528.084075] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 3528.091344] R13: 00007ffe32cbd98f R14: 00007fe9868e0300 R15: 0000000000022000 [ 3528.098692] Kernel Offset: disabled [ 3528.102319] Rebooting in 86400 seconds..